Migration to last.fm, removed old spotify api client. FOSRestBundle API serving data driven front end (JWT).

.env.example

@@ -1,12 +1,12 @@
 # Uncomment to override stored setting.
-#SPOTIFY_CLIENT_ID=
+#LASTFM_API_KEY=
-#SPOTIFY_CLIENT_SECRET=
 
 APP_ENV=prod
 APP_SECRET=changeme
 # APP_ALLOW_REGISTRATION=1 # Uncomment to override administration setting
 DEFAULT_URI=http://localhost:8085
-ALBUM_SEARCH_LIMIT=30 # Amount of albums shown on page. Do not set too high, may be rate limited by Spotify.
+ALBUM_SEARCH_LIMIT=30 # Amount of albums shown on page. Do not set too high, may be rate limited by external APIs.
+JWT_PASSPHRASE=changeme
 
 DATABASE_DRIVER=sqlite # postgres | sqlite. Untested support for postgres since migration to SQLite.
 # DATABASE_URL=postgresql://${POSTGRES_USER:-symfony}:${POSTGRES_PASSWORD:-symfony}@db:5432/${POSTGRES_DB:-symfony}?serverVersion=16&charset=utf8

README.md

@@ -1,6 +1,6 @@
 # Tonehaus — Music Ratings (Symfony 7)
 
-Discover albums via Spotify, write and manage reviews, and administer your site. Built with Symfony 7, Twig, Doctrine, and Bootstrap.
+Discover albums via Last.fm, write and manage reviews, and administer your site. Built with Symfony 7, Twig, Doctrine, and Bootstrap.
 
 ## Quick start (Docker Compose)
 
@@ -23,10 +23,10 @@ docker compose up -d --build
 docker compose exec tonehaus php bin/console app:promote-admin you@example.com
 ```
 
-4) Configure Spotify
+4) Configure Last.fm
 
-- Go to `http://localhost:8085/admin/settings` and enter your Spotify Client ID/Secret, or
+- Go to `http://localhost:8085/admin/settings` and enter your Last.fm API key, or
-- Set env vars in `.env`: `SPOTIFY_CLIENT_ID`, `SPOTIFY_CLIENT_SECRET`
+- Set env var in `.env`: `LASTFM_API_KEY`
 
 5) (Optional) Seed demo data
 
@@ -42,11 +42,14 @@ Notes:
 
 ## Features
 
-- Spotify search with advanced filters (album, artist, year range) and per‑album aggregates (avg/count)
+- Last.fm-backed album search with advanced filters (album, artist, year range) and per‑album aggregates (avg/count)
+- REST API under `/api/v1` for albums/reviews with JSON responses and proper HTTP verbs
+- JWT authentication for protected API endpoints (`/api/v1/auth/login`) via LexikJWTAuthenticationBundle
+- REST response handling via FOSRestBundle
 - Album page with details, tracklist, reviews list, and inline new review (logged-in)
 - Auth modal (Login/Sign up) with remember‑me; no separate pages
 - Role-based access: authors manage their own reviews; moderators/admins can moderate content
-- Admin Site Settings: manage Spotify credentials and public registration toggle
+- Admin Site Settings: manage Last.fm API key and public registration toggle
 - User Dashboard: profile updates and password change
 - Light/Dark theme toggle (cookie-backed)
 
@@ -55,7 +58,7 @@ Notes:
 - Setup and configuration: `docs/setup.md`
 - Feature overview: `docs/features.md`
 - Authentication and users: `docs/auth-and-users.md`
-- Spotify integration: `docs/spotify-integration.md`
+- Last.fm integration: `docs/lastfm-integration.md`
 - Reviews and albums: `docs/reviews-and-albums.md`
 - Admin & site settings: `docs/admin-and-settings.md`
 - Troubleshooting: `docs/troubleshooting.md`
@@ -65,7 +68,8 @@ Notes:
 ## Environment overview
 
 - `APP_ENV` (dev|prod), `APP_SECRET` (required)
-- `SPOTIFY_CLIENT_ID`, `SPOTIFY_CLIENT_SECRET`
+- `LASTFM_API_KEY`
+- `JWT_PASSPHRASE` (used for JWT private key encryption)
 - `APP_ALLOW_REGISTRATION` (1|0) — DB setting can be overridden by env
 - `DATABASE_DRIVER` (sqlite|postgres), `DATABASE_URL` (when using Postgres)
 - `DATABASE_SQLITE_PATH` (optional, defaults to `var/data/database.sqlite`)
@@ -74,4 +78,3 @@ Notes:
 ## License
 
 MIT
-

assets/app.js

@@ -1,5 +1 @@
-// Placeholder front-end entrypoint to satisfy importmap & asset mapper.
+// Intentionally empty importmap entrypoint.
-// You can add real JS behavior here; for now we only register a noop.
-
-console.debug('Tonehaus assets initialized');
-

composer.json

@@ -9,6 +9,9 @@
         "php": ">=8.2",
         "ext-ctype": "*",
         "ext-iconv": "*",
+        "friendsofsymfony/rest-bundle": "^3.8",
+        "guzzlehttp/guzzle": "^7.9",
+        "lexik/jwt-authentication-bundle": "^3.1",
         "doctrine/dbal": "^3",
         "doctrine/doctrine-bundle": "^2.18",
         "doctrine/doctrine-migrations-bundle": "^3.5",

config/bundles.php

@@ -2,6 +2,8 @@
 
 return [
     Symfony\Bundle\FrameworkBundle\FrameworkBundle::class => ['all' => true],
+    FOS\RestBundle\FOSRestBundle::class => ['all' => true],
+    Lexik\Bundle\JWTAuthenticationBundle\LexikJWTAuthenticationBundle::class => ['all' => true],
     Doctrine\Bundle\DoctrineBundle\DoctrineBundle::class => ['all' => true],
     Doctrine\Bundle\MigrationsBundle\DoctrineMigrationsBundle::class => ['all' => true],
     Symfony\Bundle\DebugBundle\DebugBundle::class => ['dev' => true],

config/packages/fos_rest.yaml

@@ -0,0 +1,10 @@
+fos_rest:
+    format_listener:
+        rules:
+            - { path: ^/api, prefer_extension: false, fallback_format: json, priorities: [json] }
+            - { path: ^/, prefer_extension: false, fallback_format: html, priorities: [html, '*/*'] }
+    body_listener: true
+    view:
+        view_response_listener: force
+        formats:
+            json: true

config/packages/lexik_jwt_authentication.yaml

@@ -0,0 +1,5 @@
+lexik_jwt_authentication:
+    secret_key: '%kernel.project_dir%/config/jwt/private.pem'
+    public_key: '%kernel.project_dir%/config/jwt/public.pem'
+    pass_phrase: '%env(JWT_PASSPHRASE)%'
+    token_ttl: 3600

config/packages/security.yaml

@@ -15,6 +15,21 @@ security:
         dev:
             pattern: ^/(_(profiler|wdt)|css|images|js)/
             security: false
+        api_login:
+            pattern: ^/api/v1/auth/login$
+            stateless: true
+            provider: app_user_provider
+            json_login:
+                check_path: /api/v1/auth/login
+                username_path: email
+                password_path: password
+                success_handler: lexik_jwt_authentication.handler.authentication_success
+                failure_handler: lexik_jwt_authentication.handler.authentication_failure
+        api:
+            pattern: ^/api
+            stateless: true
+            provider: app_user_provider
+            jwt: ~
         main:
             lazy: true
             provider: app_user_provider
@@ -48,6 +63,11 @@ security:
     # Easy way to control access for large sections of your site
     # Note: Only the *first* access control that matches will be used
     access_control:
+        - { path: ^/api/v1/auth/login$, roles: PUBLIC_ACCESS }
+        - { path: ^/api/v1/reviews$, roles: ROLE_USER, methods: [POST] }
+        - { path: ^/api/v1/reviews/[0-9]+$, roles: ROLE_USER, methods: [PUT, PATCH, DELETE] }
+        - { path: ^/api/v1/albums/ingest$, roles: ROLE_USER, methods: [POST] }
+        - { path: ^/api, roles: PUBLIC_ACCESS }
         - { path: ^/admin/settings, roles: ROLE_ADMIN }
         - { path: ^/admin/users, roles: ROLE_MODERATOR }
         - { path: ^/admin/dashboard, roles: ROLE_MODERATOR }

config/routes/lexik_jwt_authentication.yaml

@@ -0,0 +1,2 @@
+api_login_check:
+    path: /api/v1/auth/login

config/services.yaml

@@ -20,10 +20,14 @@ services:
     # add more service definitions when explicit configuration is needed
     # please note that last definitions always *replace* previous ones
 
-    App\Service\SpotifyClient:
+    GuzzleHttp\Client:
         arguments:
-            $clientId: '%env(default::SPOTIFY_CLIENT_ID)%'
+            $config: { timeout: 10.0, connect_timeout: 5.0, http_errors: false }
-            $clientSecret: '%env(default::SPOTIFY_CLIENT_SECRET)%'
+
+    App\Service\LastFmClient:
+        arguments:
+            $httpClient: '@GuzzleHttp\Client'
+            $apiKey: '%env(default::LASTFM_API_KEY)%'
 
     App\Service\UploadStorage:
         arguments:
@@ -33,3 +37,7 @@ services:
     App\Controller\AlbumController:
         arguments:
             $searchLimit: '%album_search_limit%'
+
+    App\Controller\Api\V1\AlbumApiController:
+        arguments:
+            $searchLimit: '%album_search_limit%'

docker-compose.yml

@@ -1,6 +1,12 @@
 services:
   tonehaus:
-    image: git.ntbx.io/boris/tonehaus:latest-arm64
+    image: tonehaus:local
+    build:
+      context: .
+      dockerfile: docker/php/Dockerfile
+      target: prod
+      args:
+        APP_ENV: prod
     container_name: tonehaus
     restart: unless-stopped
     volumes:

docker/php/Dockerfile

@@ -12,6 +12,7 @@ WORKDIR /var/www/html
 RUN apk add --no-cache \
       bash \
       git \
+      openssl \
       unzip \
       icu-dev \
       libpng-dev \

docker/prod/entrypoint.sh

@@ -8,6 +8,39 @@ require_app_secret() {
     fi
 }
 
+ensure_jwt_keys() {
+    if [ ! -f bin/console ]; then
+        return
+    fi
+
+    mkdir -p config/jwt
+
+    if [ -f config/jwt/private.pem ] && [ -f config/jwt/public.pem ]; then
+        return
+    fi
+
+    if [ -z "${JWT_PASSPHRASE:-}" ]; then
+        JWT_PASSPHRASE="${APP_SECRET}"
+    fi
+
+    openssl genpkey \
+        -out config/jwt/private.pem \
+        -algorithm rsa \
+        -pkeyopt rsa_keygen_bits:4096 \
+        -aes-256-cbc \
+        -pass pass:"${JWT_PASSPHRASE}"
+
+    openssl pkey \
+        -in config/jwt/private.pem \
+        -passin pass:"${JWT_PASSPHRASE}" \
+        -pubout \
+        -out config/jwt/public.pem
+
+    chmod 600 config/jwt/private.pem
+    chmod 644 config/jwt/public.pem
+    chown -R www-data:www-data config/jwt
+}
+
 install_runtime() {
     if [ -f vendor/autoload_runtime.php ] && [ "${FORCE_COMPOSER_INSTALL:-0}" != "1" ]; then
         return
@@ -25,6 +58,7 @@ install_runtime
 
 if [ -f bin/console ]; then
     require_app_secret
+    ensure_jwt_keys
 fi
 
 if [ "${RUN_MIGRATIONS_ON_START:-1}" = "1" ] && [ -f bin/console ]; then
@@ -48,4 +82,3 @@ if [ -f bin/console ]; then
 fi
 
 exec "$@"
-

docker/prod/nginx.conf

@@ -23,6 +23,14 @@ server {
         return 200 "OK";
     }
 
+    location ^/api/v1 {
+        include fastcgi_params;
+        fastcgi_pass 127.0.0.1:9000;
+        fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
+        fastcgi_param DOCUMENT_ROOT $realpath_root;
+        internal;
+    }
+
     error_log  /var/log/nginx/error.log;
     access_log /var/log/nginx/access.log;
 }

docs/admin-and-settings.md

@@ -23,7 +23,7 @@
 
 ## Site settings (ROLE_ADMIN)
 - URL: `/admin/settings`
-- Form persists Spotify Client ID/Secret in the DB (no restart needed).
+- Form persists Last.fm API key in the DB (no restart needed).
 - Toggle “Allow self-service registration” to pause public sign-ups while keeping `/admin/users` creation available to staff.
 - The setting syncs with the `APP_ALLOW_REGISTRATION` environment variable each time Symfony boots (change the env value and restart to enforce). UI changes persist while the process runs.
 - CSRF + role guards prevent unauthorized updates.
@@ -44,5 +44,5 @@ docker compose exec php php bin/console app:promote-moderator user@example.com
 
 ## Useful tips
 - Registration toggle can be locked by environment (`APP_ALLOW_REGISTRATION`), in which case the UI explains that the value is immutable.
-- Changing Spotify credentials in settings is effective immediately; no restart is required.
+- Changing Last.fm credentials in settings is effective immediately; no restart is required.
 - Admin UI actions are CSRF‑protected and role‑checked; if a button appears disabled, hover for a tooltip explanation.

docs/architecture.md

@@ -6,19 +6,19 @@ This project follows a conventional Symfony architecture with clear separation o
 
 - **Classes**
   - **Controllers** end with `Controller` (e.g. `AlbumController`) and expose HTTP‑oriented actions with verb‑based method names (`search`, `show`, `edit`, `delete`).
-  - **Services** are named by capability, not by caller, using nouns or noun‑phrases (e.g. `AlbumSearchService`, `ConsoleCommandRunner`, `RegistrationToggle`). When a service is tightly scoped to a third‑party, the integration appears in the name (e.g. `SpotifyClient`, `SpotifyMetadataRefresher`).
+  - **Services** are named by capability, not by caller, using nouns or noun‑phrases (e.g. `AlbumSearchService`, `ConsoleCommandRunner`, `RegistrationToggle`). When a service is tightly scoped to a third‑party, the integration appears in the name (e.g. `LastFmClient`, `LastFmMetadataRefresher`).
   - **Entities** are singular domain nouns (`Album`, `Review`, `User`) and avoid transport or UI details.
   - **Commands** describe what they do and the environment they are meant for (e.g. `SeedDemoUsersCommand`, `PromoteAdminCommand`).
 
 - **Methods**
-  - Use **verb‑based, intention‑revealing names** that describe *what* the method does, not *how* it is used (e.g. `refreshAllSpotifyAlbums()`, `resetCatalog()`, `runConsoleCommand()`, `isEnabled()`, `findAlbumByPublicId()`).
+  - Use **verb‑based, intention‑revealing names** that describe *what* the method does, not *how* it is used (e.g. `refreshAllExternalAlbums()`, `resetCatalog()`, `runConsoleCommand()`, `isEnabled()`, `findAlbumByPublicId()`).
-  - Accessors start with `get*`, `set*`, `is*` / `has*` for booleans (e.g. `getEnvOverride()`, `isSpotifyConfigured()`).
+  - Accessors start with `get*`, `set*`, `is*` / `has*` for booleans (e.g. `getEnvOverride()`, `isExternalConfigured()`).
   - Avoid ambiguous names like `run()`, `handle()`, or `process()` without a clear domain object; prefer `runConsoleCommand()`, `handleAlbumCoverUpload()`, etc.
 
 - **Variables & parameters**
-  - Use **descriptive, domain‑level names** (e.g. `$albumRepository`, `$reviewCount`, `$spotifyAlbumPayload`) and avoid unclear abbreviations (`$em` is acceptable for `EntityManagerInterface` in local scope, but prefer full names for properties).
+  - Use **descriptive, domain‑level names** (e.g. `$albumRepository`, `$reviewCount`, `$lastfmAlbumPayload`) and avoid unclear abbreviations (`$em` is acceptable for `EntityManagerInterface` in local scope, but prefer full names for properties).
-  - Booleans read naturally (`$isEnabled`, `$shouldQuerySpotify`, `$needsSync`).
+  - Booleans read naturally (`$isEnabled`, `$shouldQueryLast.fm`, `$needsSync`).
-  - Collections are pluralized (`$albums`, `$userReviews`, `$spotifyIds`).
+  - Collections are pluralized (`$albums`, `$userReviews`, `$lastfmIds`).
 
 - **Files & namespaces**
   - File names match their primary class name and follow PSR‑4 (e.g. `src/Service/AlbumSearchService.php` for `App\Service\AlbumSearchService`).
@@ -27,10 +27,10 @@ This project follows a conventional Symfony architecture with clear separation o
 These conventions should be followed for all new PHP code and when refactoring existing classes to keep the codebase reusable and self‑documenting.
 
 ## High-level flow
-1. Visitors search for albums (Spotify) and view an album page
+1. Visitors search for albums (Last.fm) and view an album page
 2. Logged‑in users can write, edit, and delete reviews
 3. Moderators and admins can moderate content and manage users
-4. Admins configure site settings (Spotify credentials, registration toggle)
+4. Admins configure site settings (Last.fm credentials, registration toggle)
 
 ## Layers & components
 
@@ -45,7 +45,7 @@ These conventions should be followed for all new PHP code and when refactoring e
 - `User` — authentication principal and roles
 - `Album`, `AlbumTrack` — normalized album metadata and track list
 - `Review` — user‑authored review with rating and timestamps
-- `Setting` — key/value store for site configuration (e.g., Spotify credentials)
+- `Setting` — key/value store for site configuration (e.g., Last.fm credentials)
 
 ### Repositories (`src/Repository/*`)
 - Doctrine repositories for querying by domain (albums, tracks, reviews, settings, users)
@@ -55,10 +55,10 @@ These conventions should be followed for all new PHP code and when refactoring e
 - Leverage Symfony validation constraints for robust server‑side validation
 
 ### Services (`src/Service/*`)
-- `SpotifyClient` — Client Credentials token management (cached) and API calls
+- `LastFmClient` — Last.fm API integration with caching
-- `SpotifyMetadataRefresher`, `SpotifyGenreResolver` — helpers for richer album data
+- `LastFmMetadataRefresher`, `LastFmTagResolver` — helpers for richer album data
 - `CatalogResetService` — admin action to reset/sync catalog state safely
-- `ImageStorage` — avatar uploads and related image handling
+- `UploadStorage` — avatar/album image uploads and related file handling
 - `RegistrationToggle` — DB‑backed registration flag with env override
 
 ### Security (`config/packages/security.yaml`, `src/Security/*`)
@@ -86,5 +86,3 @@ These conventions should be followed for all new PHP code and when refactoring e
 ## Testing & tooling
 - PHPUnit setup in `composer.json` (`phpunit/phpunit`), BrowserKit & CSS Selector for functional coverage
 - Web Profiler enabled in dev
-
-

docs/deployment.md

@@ -18,8 +18,7 @@ docker run -d \
   -p 8080:8080 \
   -e APP_ENV=prod \
   -e APP_SECRET=change_me \
-  -e SPOTIFY_CLIENT_ID=your_client_id \
+  -e LASTFM_API_KEY=your_api_key \
-  -e SPOTIFY_CLIENT_SECRET=your_client_secret \
   tonehaus-app:latest
 ```
 
@@ -51,7 +50,7 @@ docker exec tonehaus php bin/console doctrine:migrations:migrate --no-interactio
 ## Environment variables
 - `APP_ENV` (`prod` recommended in production)
 - `APP_SECRET` (required; random string)
-- `SPOTIFY_CLIENT_ID`, `SPOTIFY_CLIENT_SECRET`
+- `LASTFM_API_KEY`
 - `APP_ALLOW_REGISTRATION` (env override for public registration)
 - `DATABASE_DRIVER` (`sqlite` default, or `postgres`)
 - `DATABASE_URL` (when using Postgres)
@@ -67,4 +66,3 @@ docker exec tonehaus php bin/console doctrine:migrations:migrate --no-interactio
 - Build then run a new container alongside the old one, switch traffic at the proxy
 - Keep SQLite on a named volume, or use Postgres for shared state across replicas
 
-

docs/features.md

@@ -1,7 +1,7 @@
 # Features
 
 ## Albums & Reviews
-- Spotify album search with advanced filters (album, artist, year range)
+- Last.fm album search with advanced filters (album, artist, year range)
 - Album page: cover art, metadata, full tracklist (when available)
 - Reviews list (newest first) and inline new review form (logged-in)
 - Rating slider (1–10) with live badge
@@ -16,7 +16,7 @@
 ## Administration
 - Dashboard: latest reviews/albums and key counts (moderator+)
 - Users: create/delete users, promote/demote moderators (admin constraints)
-- Settings: manage Spotify credentials, toggle public registration (admin)
+- Settings: manage Last.fm credentials, toggle public registration (admin)
 
 ## Design & UX
 - Responsive Bootstrap UI

docs/lastfm-integration.md

@@ -0,0 +1,26 @@
+# Last.fm Integration
+
+## Credentials
+- Preferred: manage the Last.fm API key in `/admin/settings` (persisted in DB; no restart required).
+- Env fallback: `LASTFM_API_KEY`.
+
+## API Client
+- `src/Service/LastFmClient.php` (uses Guzzle)
+  - `searchAlbums(query, limit)`
+  - `getAlbum(id)` / `getAlbums([ids])`
+  - `getAlbumWithTracks(id)`
+  - `getAlbumTracks(id)`
+
+## Caching & Limits
+- Last.fm responses are cached in Symfony cache pools to reduce repeated calls.
+- Search/detail payloads are normalized to one internal album shape before persistence.
+
+## Ingestion Flow
+1. Search Last.fm
+2. Resolve tags/genres via `LastFmTagResolver`
+3. Persist or update album with `AlbumRepository::upsertFromExternalAlbum()`
+4. Persist tracks with `AlbumTrackRepository::replaceAlbumTracks()`
+
+## Admin Settings
+- Set the Last.fm API key in `/admin/settings`.
+- Key changes apply immediately.

docs/reviews-and-albums.md

@@ -2,7 +2,7 @@
 
 ## Album page
 - Artwork, metadata, average rating, and review count
-- Full Spotify tracklist when available
+- Full Last.fm tracklist when available
 - Reviews list (newest first)
 - Inline new review form for logged‑in users
 

docs/setup.md

@@ -2,7 +2,7 @@
 
 ## Prerequisites
 - Docker + Docker Compose
-- Spotify Developer account (Client ID/Secret)
+- Last.fm API key
 - A unique `APP_SECRET` value in your environment (for prod builds)
 
 ## 1) Start the stack
@@ -18,15 +18,19 @@ Health: `http://localhost:8085/healthz`
 docker compose exec tonehaus php bin/console app:promote-admin you@example.com
 ```
 
-## 3) Configure Spotify
+## 3) Configure Last.fm
-- Preferred: open `/admin/settings` and enter your Client ID/Secret (stored in DB)
+- Preferred: open `/admin/settings` and enter your Last.fm API key (stored in DB)
 - Env fallback (in `.env` or your shell):
 ```bash
-SPOTIFY_CLIENT_ID=your_client_id
+LASTFM_API_KEY=your_api_key
-SPOTIFY_CLIENT_SECRET=your_client_secret
 ```
 
-## 4) (Optional) Seed demo data
+## 4) JWT auth keys
+- API login endpoint: `POST /api/v1/auth/login`
+- JWT keys are generated automatically on container start into `config/jwt/`.
+- Set `JWT_PASSPHRASE` in `.env` to your production secret.
+
+## 5) (Optional) Seed demo data
 ```bash
 docker compose exec tonehaus php bin/console app:seed-demo-users --count=50
 docker compose exec tonehaus php bin/console app:seed-demo-albums --count=40 --attach-users
@@ -44,7 +48,8 @@ docker compose exec tonehaus php bin/console app:seed-demo-reviews --cover-perce
 ## Environment variables
 - `APP_ENV=dev|prod`
 - `APP_SECRET=<random_string>`
-- `SPOTIFY_CLIENT_ID`, `SPOTIFY_CLIENT_SECRET`
+- `LASTFM_API_KEY`
+- `JWT_PASSPHRASE=<random_string>`
 - `APP_ALLOW_REGISTRATION=1|0` (env can override DB setting)
 - `DATABASE_DRIVER=sqlite|postgres`
 - `DATABASE_SQLITE_PATH` (optional)

docs/spotify-integration.md

@@ -1,30 +0,0 @@
-# Spotify Integration
-
-## Credentials
-- Preferred: Manage in `/admin/settings` (persisted in DB; no restart required)
-- Env fallback: `SPOTIFY_CLIENT_ID`, `SPOTIFY_CLIENT_SECRET`
-
-## API Client
-- `src/Service/SpotifyClient.php`
-  - Client Credentials token fetch with caching
-  - `searchAlbums(q, limit)` — album search endpoint
-  - `getAlbum(id)` / `getAlbums([ids])` — metadata fetch
-  - `getAlbumWithTracks(id)` — metadata + hydrated tracklist
-  - `getAlbumTracks(id)` — raw paginated tracks (when needed)
-
-### Caching & Rate Limits
-- Access tokens are cached until expiry to avoid unnecessary auth calls.
-- Downstream requests should be mindful of Spotify rate limits; user actions are debounced in the UI and server calls are focused on album/track data needed by the current page.
-
-## Advanced search syntax
-- Fielded queries are composed as:
-  - `album:"..."`, `artist:"..."`, `year:YYYY` or `year:YYYY-YYYY`
-  - Optional free text is appended to the query
-- Examples:
-  - `album:"in rainbows" artist:"radiohead"`
-  - `year:1999-2004 post rock`
-
-## Admin settings
-- Update credentials in `/admin/settings`
-- Settings are stored in the database; `APP_ENV` reload or container restart is not required
-

docs/troubleshooting.md

@@ -29,9 +29,8 @@
   postgresql://symfony:symfony@db:5432/symfony?serverVersion=16&charset=utf8
   ```
 
-## Spotify errors
+## Last.fm errors
-- Verify credentials in `/admin/settings` or env vars `SPOTIFY_CLIENT_ID` / `SPOTIFY_CLIENT_SECRET`.
+- Verify credentials in `/admin/settings` or env var `LASTFM_API_KEY`.
-- Client Credentials tokens are cached; if revoked, wait for expiry or restart the container.
 
 ## ARM64 Build
 

migrations/Version20260227120500.php

@@ -0,0 +1,120 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260227120500 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add external source columns (external_id, external_track_id) and OAuth identity fields on users';
+    }
+
+    public function up(Schema $schema): void
+    {
+        if ($this->shouldAddColumn($schema, 'albums', 'external_id')) {
+            $this->addSql('ALTER TABLE albums ADD external_id VARCHAR(64) DEFAULT NULL');
+        }
+
+        if ($this->shouldAddColumn($schema, 'album_tracks', 'external_track_id')) {
+            $this->addSql('ALTER TABLE album_tracks ADD external_track_id VARCHAR(64) DEFAULT NULL');
+        }
+
+        if ($this->shouldAddColumn($schema, 'users', 'oauth_provider')) {
+            $this->addSql('ALTER TABLE users ADD oauth_provider VARCHAR(50) DEFAULT NULL');
+        }
+
+        if ($this->shouldAddColumn($schema, 'users', 'oauth_id')) {
+            $this->addSql('ALTER TABLE users ADD oauth_id VARCHAR(190) DEFAULT NULL');
+        }
+
+        if ($this->hasColumn($schema, 'albums', 'spotify_id') && $this->hasColumn($schema, 'albums', 'external_id')) {
+            $this->addSql('UPDATE albums SET external_id = spotify_id WHERE external_id IS NULL AND spotify_id IS NOT NULL');
+        }
+
+        if ($this->hasColumn($schema, 'albums', 'source')) {
+            $this->addSql("UPDATE albums SET source = 'external' WHERE source = 'spotify'");
+            if (!$this->isSqlite()) {
+                $this->addSql("ALTER TABLE albums ALTER source SET DEFAULT 'external'");
+            }
+        }
+
+        if ($this->hasColumn($schema, 'album_tracks', 'spotify_track_id') && $this->hasColumn($schema, 'album_tracks', 'external_track_id')) {
+            $this->addSql('UPDATE album_tracks SET external_track_id = spotify_track_id WHERE external_track_id IS NULL AND spotify_track_id IS NOT NULL');
+        }
+
+        if (!$this->indexExists($schema, 'albums', 'uniq_album_external_id')) {
+            $this->addSql('CREATE UNIQUE INDEX uniq_album_external_id ON albums (external_id)');
+        }
+
+        if (!$this->indexExists($schema, 'users', 'uniq_users_oauth_identity')) {
+            $this->addSql('CREATE UNIQUE INDEX uniq_users_oauth_identity ON users (oauth_provider, oauth_id)');
+        }
+    }
+
+    public function down(Schema $schema): void
+    {
+        if ($this->isSqlite()) {
+            // SQLite column drops require table rebuilds; keep schema forward-only here.
+            return;
+        }
+
+        if ($this->indexExists($schema, 'users', 'uniq_users_oauth_identity')) {
+            $this->addSql('DROP INDEX uniq_users_oauth_identity');
+        }
+
+        if ($this->indexExists($schema, 'albums', 'uniq_album_external_id')) {
+            $this->addSql('DROP INDEX uniq_album_external_id');
+        }
+
+        if ($this->hasColumn($schema, 'users', 'oauth_id')) {
+            $this->addSql('ALTER TABLE users DROP COLUMN oauth_id');
+        }
+
+        if ($this->hasColumn($schema, 'users', 'oauth_provider')) {
+            $this->addSql('ALTER TABLE users DROP COLUMN oauth_provider');
+        }
+
+        if ($this->hasColumn($schema, 'album_tracks', 'external_track_id')) {
+            $this->addSql('ALTER TABLE album_tracks DROP COLUMN external_track_id');
+        }
+
+        if ($this->hasColumn($schema, 'albums', 'external_id')) {
+            $this->addSql('ALTER TABLE albums DROP COLUMN external_id');
+        }
+
+        if ($this->hasColumn($schema, 'albums', 'source')) {
+            $this->addSql("UPDATE albums SET source = 'spotify' WHERE source = 'external'");
+            $this->addSql("ALTER TABLE albums ALTER source SET DEFAULT 'spotify'");
+        }
+    }
+
+    private function shouldAddColumn(Schema $schema, string $tableName, string $columnName): bool
+    {
+        return $this->hasTable($schema, $tableName) && !$this->hasColumn($schema, $tableName, $columnName);
+    }
+
+    private function hasTable(Schema $schema, string $tableName): bool
+    {
+        return $schema->hasTable($tableName);
+    }
+
+    private function hasColumn(Schema $schema, string $tableName, string $columnName): bool
+    {
+        return $this->hasTable($schema, $tableName) && $schema->getTable($tableName)->hasColumn($columnName);
+    }
+
+    private function indexExists(Schema $schema, string $tableName, string $indexName): bool
+    {
+        return $this->hasTable($schema, $tableName) && $schema->getTable($tableName)->hasIndex($indexName);
+    }
+
+    private function isSqlite(): bool
+    {
+        return $this->connection->getDatabasePlatform()->getName() === 'sqlite';
+    }
+}

src/Controller/Admin/DashboardController.php

@@ -5,7 +5,7 @@ namespace App\Controller\Admin;
 use App\Repository\AlbumRepository;
 use App\Repository\ReviewRepository;
 use App\Repository\UserRepository;
-use App\Service\SpotifyMetadataRefresher;
+use App\Service\LastFmMetadataRefresher;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 use Symfony\Component\HttpFoundation\Request;
@@ -53,22 +53,22 @@ class DashboardController extends AbstractController
         ]);
     }
 
-    #[Route('/admin/dashboard/refresh-spotify', name: 'admin_dashboard_refresh_spotify', methods: ['POST'])]
+    #[Route('/admin/dashboard/refresh-external', name: 'admin_dashboard_refresh_external', methods: ['POST'])]
-    public function refreshSpotify(
+    public function refreshExternal(
         Request $request,
-        SpotifyMetadataRefresher $refresher
+        LastFmMetadataRefresher $refresher
     ): Response {
         $token = (string) $request->request->get('_token');
-        if (!$this->isCsrfTokenValid('dashboard_refresh_spotify', $token)) {
+        if (!$this->isCsrfTokenValid('dashboard_refresh_external', $token)) {
             throw $this->createAccessDeniedException('Invalid CSRF token.');
         }
 
         // Refresh runs synchronously; keep user feedback short so the POST remains snappy.
-        $updated = $refresher->refreshAllSpotifyAlbums();
+        $updated = $refresher->refreshAllExternalAlbums();
         if ($updated === 0) {
-            $this->addFlash('info', 'No Spotify albums needed refresh or none are saved.');
+            $this->addFlash('info', 'No external albums needed refresh or none are saved.');
         } else {
-            $this->addFlash('success', sprintf('Refreshed %d Spotify albums.', $updated));
+            $this->addFlash('success', sprintf('Refreshed %d external albums from Last.fm.', $updated));
         }
 
         return $this->redirectToRoute('admin_dashboard');

src/Controller/Admin/SettingsController.php

@@ -62,21 +62,19 @@ class SettingsController extends AbstractController
     ];
 
     /**
-     * Displays and persists Spotify credential settings.
+     * Displays and persists Last.fm credential settings.
      */
     #[Route('/admin/settings', name: 'admin_settings', methods: ['GET', 'POST'])]
     public function settings(Request $request, SettingRepository $settings, RegistrationToggle $registrationToggle): Response
     {
         $form = $this->createForm(SiteSettingsType::class);
-        $form->get('SPOTIFY_CLIENT_ID')->setData($settings->getValue('SPOTIFY_CLIENT_ID'));
+        $form->get('LASTFM_API_KEY')->setData($settings->getValue('LASTFM_API_KEY'));
-        $form->get('SPOTIFY_CLIENT_SECRET')->setData($settings->getValue('SPOTIFY_CLIENT_SECRET'));
         $registrationOverride = $registrationToggle->getEnvOverride();
         $form->get('REGISTRATION_ENABLED')->setData($registrationToggle->isEnabled());
 
         $form->handleRequest($request);
         if ($form->isSubmitted() && $form->isValid()) {
-            $settings->setValue('SPOTIFY_CLIENT_ID', (string) $form->get('SPOTIFY_CLIENT_ID')->getData());
+            $settings->setValue('LASTFM_API_KEY', (string) $form->get('LASTFM_API_KEY')->getData());
-            $settings->setValue('SPOTIFY_CLIENT_SECRET', (string) $form->get('SPOTIFY_CLIENT_SECRET')->getData());
             if ($registrationOverride === null) {
                 // Persist only when the flag is not locked by APP_ALLOW_REGISTRATION.
                 $registrationToggle->persist((bool) $form->get('REGISTRATION_ENABLED')->getData());

src/Controller/AlbumController.php

@@ -13,8 +13,8 @@ use App\Repository\AlbumTrackRepository;
 use App\Repository\ReviewRepository;
 use App\Service\AlbumSearchService;
 use App\Service\UploadStorage;
-use App\Service\SpotifyClient;
+use App\Service\LastFmClient;
-use App\Service\SpotifyGenreResolver;
+use App\Service\LastFmTagResolver;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
@@ -32,13 +32,13 @@ class AlbumController extends AbstractController
     public function __construct(
         private readonly UploadStorage $uploadStorage,
         private readonly AlbumSearchService $albumSearch,
-        private readonly SpotifyGenreResolver $genreResolver,
+        private readonly LastFmTagResolver $genreResolver,
         private readonly int $searchLimit = 20
     ) {
     }
 
     /**
-     * Searches Spotify plus local albums and decorates results with review stats.
+     * Searches external plus local albums and decorates results with review stats.
      */
     #[Route('/', name: 'album_search', methods: ['GET'])]
     public function search(Request $request): Response
@@ -57,7 +57,7 @@ class AlbumController extends AbstractController
             'stats' => $result->stats,
             'savedIds' => $result->savedIds,
             'source' => $criteria->source,
-            'spotifyConfigured' => $this->albumSearch->isSpotifyConfigured(),
+            'externalConfigured' => $this->albumSearch->isExternalConfigured(),
         ]);
     }
 
@@ -94,25 +94,26 @@ class AlbumController extends AbstractController
      * Renders a detailed album view plus inline review form.
      */
     #[Route('/albums/{id}', name: 'album_show', methods: ['GET', 'POST'])]
-    public function show(string $id, Request $request, SpotifyClient $spotify, ReviewRepository $reviewRepo, AlbumRepository $albumRepo, AlbumTrackRepository $trackRepo, EntityManagerInterface $em): Response
+    public function show(string $id, Request $request, LastFmClient $lastFmClient, ReviewRepository $reviewRepo, AlbumRepository $albumRepo, AlbumTrackRepository $trackRepo, EntityManagerInterface $em): Response
     {
         $albumEntity = $this->findAlbum($id, $albumRepo);
         $isSaved = $albumEntity !== null;
         if (!$albumEntity) {
-            // Album has never been saved locally, so hydrate it via Spotify before rendering.
+            // Album has never been saved locally, so hydrate it via Last.fm before rendering.
-            $spotifyAlbum = $spotify->getAlbumWithTracks($id);
+            $externalAlbum = $lastFmClient->getAlbumWithTracks($id);
-            if ($spotifyAlbum === null) {
+            if ($externalAlbum === null) {
                 throw $this->createNotFoundException('Album not found');
             }
-            $albumEntity = $this->persistSpotifyAlbumPayload($spotifyAlbum, $albumRepo, $trackRepo);
+            $albumEntity = $this->persistExternalAlbumPayload($externalAlbum, $albumRepo, $trackRepo);
             $em->flush();
         } else {
-            if ($this->syncSpotifyTracklistIfNeeded($albumEntity, $albumRepo, $trackRepo, $spotify)) {
+            if ($this->syncExternalTracklistIfNeeded($albumEntity, $albumRepo, $trackRepo, $lastFmClient)) {
                 // Track sync mutated the entity: persist before we build template arrays.
                 $em->flush();
             }
         }
         $albumCard = $albumEntity->toTemplateArray();
+        $albumCard = $this->hydrateExternalAlbumImages($albumCard, $albumEntity, $lastFmClient);
         $canManage = $this->canManageAlbum($albumEntity);
         $trackRows = array_map(static fn($track) => $track->toTemplateArray(), $albumEntity->getTracks()->toArray());
 
@@ -156,23 +157,23 @@ class AlbumController extends AbstractController
     }
 
     /**
-     * Saves a Spotify album locally for quicker access.
+     * Saves an external album locally for quicker access.
      */
     #[IsGranted('ROLE_USER')]
     #[Route('/albums/{id}/save', name: 'album_save', methods: ['POST'])]
-    public function save(string $id, Request $request, SpotifyClient $spotify, AlbumRepository $albumRepo, AlbumTrackRepository $trackRepo, EntityManagerInterface $em): Response
+    public function save(string $id, Request $request, LastFmClient $lastFmClient, AlbumRepository $albumRepo, AlbumTrackRepository $trackRepo, EntityManagerInterface $em): Response
     {
         $token = (string) $request->request->get('_token');
         if (!$this->isCsrfTokenValid('save-album-' . $id, $token)) {
             throw $this->createAccessDeniedException('Invalid CSRF token.');
         }
-        $existing = $albumRepo->findOneBySpotifyId($id);
+        $existing = $albumRepo->findOneByExternalId($id);
         if (!$existing) {
-            $spotifyAlbum = $spotify->getAlbumWithTracks($id);
+            $externalAlbum = $lastFmClient->getAlbumWithTracks($id);
-            if ($spotifyAlbum === null) {
+            if ($externalAlbum === null) {
                 throw $this->createNotFoundException('Album not found');
             }
-            $this->persistSpotifyAlbumPayload($spotifyAlbum, $albumRepo, $trackRepo);
+            $this->persistExternalAlbumPayload($externalAlbum, $albumRepo, $trackRepo);
             $em->flush();
             $this->addFlash('success', 'Album saved.');
         } else {
@@ -278,7 +279,7 @@ class AlbumController extends AbstractController
     }
 
     /**
-     * Looks up an album by either local or Spotify identifier.
+     * Looks up an album by either local or external identifier.
      */
     private function findAlbum(string $id, AlbumRepository $albumRepo): ?Album
     {
@@ -287,7 +288,7 @@ class AlbumController extends AbstractController
             return $local;
         }
 
-        return $albumRepo->findOneBySpotifyId($id);
+        return $albumRepo->findOneByExternalId($id);
     }
 
     /**
@@ -338,18 +339,18 @@ class AlbumController extends AbstractController
     }
 
     /**
-     * @param array<string,mixed> $spotifyAlbum
+     * @param array<string,mixed> $externalAlbum
      */
-    private function persistSpotifyAlbumPayload(array $spotifyAlbum, AlbumRepository $albumRepo, AlbumTrackRepository $trackRepo): Album
+    private function persistExternalAlbumPayload(array $externalAlbum, AlbumRepository $albumRepo, AlbumTrackRepository $trackRepo): Album
     {
-        // Bring genres along when we persist Spotify albums so templates can display them immediately.
+        // Bring genres along when we persist external albums so templates can display them immediately.
-        $genresMap = $this->genreResolver->resolveGenresForAlbums([$spotifyAlbum]);
+        $genresMap = $this->genreResolver->resolveGenresForAlbums([$externalAlbum]);
-        $albumId = (string) ($spotifyAlbum['id'] ?? '');
+        $albumId = (string) ($externalAlbum['id'] ?? '');
-        $album = $albumRepo->upsertFromSpotifyAlbum(
+        $album = $albumRepo->upsertFromExternalAlbum(
-            $spotifyAlbum,
+            $externalAlbum,
             $albumId !== '' ? ($genresMap[$albumId] ?? []) : []
         );
-        $tracks = $spotifyAlbum['tracks']['items'] ?? [];
+        $tracks = $externalAlbum['tracks']['items'] ?? [];
         if (is_array($tracks) && $tracks !== []) {
             $trackRepo->replaceAlbumTracks($album, $tracks);
             $album->setTotalTracks(count($tracks));
@@ -357,33 +358,33 @@ class AlbumController extends AbstractController
         return $album;
     }
 
-    private function syncSpotifyTracklistIfNeeded(Album $album, AlbumRepository $albumRepo, AlbumTrackRepository $trackRepo, SpotifyClient $spotify): bool
+    private function syncExternalTracklistIfNeeded(Album $album, AlbumRepository $albumRepo, AlbumTrackRepository $trackRepo, LastFmClient $lastFmClient): bool
     {
-        if ($album->getSource() !== 'spotify') {
+        if ($album->getSource() !== 'external') {
             return false;
         }
-        $spotifyId = $album->getSpotifyId();
+        $externalId = $album->getExternalId();
-        if ($spotifyId === null) {
+        if ($externalId === null) {
             return false;
         }
         $storedCount = $album->getTracks()->count();
         $needsSync = $storedCount === 0;
         if (!$needsSync && $album->getTotalTracks() > 0 && $storedCount !== $album->getTotalTracks()) {
-            // Spotify track counts do not match what we have stored; re-sync to avoid stale data.
+            // external track counts do not match what we have stored; re-sync to avoid stale data.
             $needsSync = true;
         }
         if (!$needsSync) {
             return false;
         }
-        $spotifyAlbum = $spotify->getAlbumWithTracks($spotifyId);
+        $externalAlbum = $lastFmClient->getAlbumWithTracks($externalId);
-        if ($spotifyAlbum === null) {
+        if ($externalAlbum === null) {
             return false;
         }
-        // Rehydrate genres during syncs as well, in case Spotify has updated the metadata.
+        // Rehydrate genres during syncs as well, in case source metadata has updated.
-        $genresMap = $this->genreResolver->resolveGenresForAlbums([$spotifyAlbum]);
+        $genresMap = $this->genreResolver->resolveGenresForAlbums([$externalAlbum]);
-        $albumGenres = $genresMap[$spotifyId] ?? [];
+        $albumGenres = $genresMap[$externalId] ?? [];
-        $albumRepo->upsertFromSpotifyAlbum($spotifyAlbum, $albumGenres);
+        $albumRepo->upsertFromExternalAlbum($externalAlbum, $albumGenres);
-        $tracks = $spotifyAlbum['tracks']['items'] ?? [];
+        $tracks = $externalAlbum['tracks']['items'] ?? [];
         if (!is_array($tracks) || $tracks === []) {
             return false;
         }
@@ -392,6 +393,32 @@ class AlbumController extends AbstractController
         return true;
     }
 
+    /**
+     * @param array<string,mixed> $payload
+     * @return array<string,mixed>
+     */
+    private function hydrateExternalAlbumImages(array $payload, Album $album, LastFmClient $lastFmClient): array
+    {
+        if ($album->getSource() !== 'external') {
+            return $payload;
         }
 
+        $externalId = trim((string) $album->getExternalId());
+        if ($externalId === '') {
+            return $payload;
+        }
 
+        $fresh = $lastFmClient->getAlbumWithTracks($externalId);
+        if (!is_array($fresh)) {
+            return $payload;
+        }
+
+        $images = $fresh['images'] ?? null;
+        if (is_array($images) && $images !== []) {
+            $payload['images'] = $images;
+        }
+
+        return $payload;
+    }
+
+}

src/Controller/Api/V1/AlbumApiController.php

@@ -0,0 +1,231 @@
+<?php
+
+namespace App\Controller\Api\V1;
+
+use App\Dto\AlbumSearchCriteria;
+use App\Entity\Album;
+use App\Repository\AlbumRepository;
+use App\Repository\AlbumTrackRepository;
+use App\Repository\ReviewRepository;
+use App\Service\AlbumSearchService;
+use App\Service\LastFmClient;
+use App\Service\LastFmTagResolver;
+use Doctrine\ORM\EntityManagerInterface;
+use FOS\RestBundle\Controller\AbstractFOSRestController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+#[Route('/api/v1/albums')]
+class AlbumApiController extends AbstractFOSRestController
+{
+    public function __construct(
+        private readonly AlbumSearchService $albumSearchService,
+        private readonly AlbumRepository $albumRepository,
+        private readonly AlbumTrackRepository $trackRepository,
+        private readonly ReviewRepository $reviewRepository,
+        private readonly LastFmClient $lastFmClient,
+        private readonly LastFmTagResolver $tagResolver,
+        private readonly EntityManagerInterface $entityManager,
+        private readonly int $searchLimit = 20,
+    ) {
+    }
+
+    #[Route('', name: 'api_v1_album_index', methods: ['GET'])]
+    public function index(Request $request): Response
+    {
+        $criteria = AlbumSearchCriteria::fromRequest($request, $this->searchLimit);
+        $result = $this->albumSearchService->search($criteria);
+
+        return $this->handleView($this->view([
+            'meta' => [
+                'source' => $criteria->source,
+                'limit' => $criteria->limit,
+                'query' => $criteria->query,
+            ],
+            'data' => $result->albums,
+            'stats' => $result->stats,
+            'saved_ids' => $result->savedIds,
+        ], Response::HTTP_OK));
+    }
+
+    #[Route('/ingest', name: 'api_v1_album_ingest', methods: ['POST'])]
+    #[IsGranted('ROLE_USER')]
+    public function ingest(Request $request): Response
+    {
+        $payload = $this->readJsonPayload($request);
+        if ($payload === null) {
+            return $this->handleView($this->view(['error' => 'invalid_json'], Response::HTTP_BAD_REQUEST));
+        }
+
+        $externalId = trim((string) ($payload['external_id'] ?? ''));
+        if ($externalId === '') {
+            $query = trim((string) ($payload['query'] ?? ''));
+            if ($query === '') {
+                $artist = trim((string) ($payload['artist'] ?? ''));
+                $album = trim((string) ($payload['album'] ?? ''));
+                $query = trim($artist . ' ' . $album);
+            }
+            if ($query !== '') {
+                $search = $this->lastFmClient->searchAlbums($query, 1);
+                $externalId = trim((string) ($search['albums']['items'][0]['id'] ?? ''));
+            }
+        }
+
+        if ($externalId === '') {
+            return $this->handleView($this->view(['error' => 'external_id_or_query_required'], Response::HTTP_BAD_REQUEST));
+        }
+
+        $externalAlbum = $this->lastFmClient->getAlbumWithTracks($externalId);
+        if (!is_array($externalAlbum)) {
+            return $this->handleView($this->view(['error' => 'external_album_not_found'], Response::HTTP_NOT_FOUND));
+        }
+
+        $album = $this->persistExternalAlbumPayload($externalAlbum);
+        $this->entityManager->flush();
+        $payload = $this->hydrateExternalAlbumImages($album->toTemplateArray(), $album, $externalAlbum);
+
+        return $this->handleView($this->view([
+            'data' => $payload,
+            'tracks' => array_map(static fn($track) => $track->toTemplateArray(), $album->getTracks()->toArray()),
+        ], Response::HTTP_CREATED));
+    }
+
+    #[Route('/{id}', name: 'api_v1_album_show', methods: ['GET'])]
+    public function show(string $id): Response
+    {
+        $album = $this->findAlbum($id);
+        if (!$album instanceof Album) {
+            $externalAlbum = $this->lastFmClient->getAlbumWithTracks($id);
+            if (!is_array($externalAlbum)) {
+                return $this->handleView($this->view(['error' => 'album_not_found'], Response::HTTP_NOT_FOUND));
+            }
+            $album = $this->persistExternalAlbumPayload($externalAlbum);
+            $this->entityManager->flush();
+        }
+
+        $albumId = $album->getSource() === 'user' ? (string) $album->getLocalId() : (string) $album->getExternalId();
+        $stats = $album->getSource() === 'user'
+            ? $this->reviewRepository->getAggregatesForAlbumEntityIds([(int) $album->getId()])
+            : $this->reviewRepository->getAggregatesForAlbumIds([$albumId]);
+        $payload = $this->hydrateExternalAlbumImages($album->toTemplateArray(), $album);
+
+        return $this->handleView($this->view([
+            'data' => $payload,
+            'tracks' => array_map(static fn($track) => $track->toTemplateArray(), $album->getTracks()->toArray()),
+            'stats' => $album->getSource() === 'user'
+                ? ($stats[(int) $album->getId()] ?? ['count' => 0, 'avg' => 0.0])
+                : ($stats[$albumId] ?? ['count' => 0, 'avg' => 0.0]),
+        ], Response::HTTP_OK));
+    }
+
+    #[Route('/{id}/reviews', name: 'api_v1_album_reviews', methods: ['GET'])]
+    public function reviews(string $id): Response
+    {
+        $album = $this->findAlbum($id);
+        if (!$album instanceof Album) {
+            return $this->handleView($this->view(['error' => 'album_not_found'], Response::HTTP_NOT_FOUND));
+        }
+
+        $reviews = $this->reviewRepository->findBy(['album' => $album], ['createdAt' => 'DESC']);
+        return $this->handleView($this->view([
+            'data' => array_map(static fn($review) => [
+                'id' => $review->getId(),
+                'title' => $review->getTitle(),
+                'content' => $review->getContent(),
+                'rating' => $review->getRating(),
+                'author' => [
+                    'id' => $review->getAuthor()?->getId(),
+                    'display_name' => $review->getAuthor()?->getDisplayName(),
+                ],
+                'created_at' => $review->getCreatedAt()?->format(DATE_ATOM),
+                'updated_at' => $review->getUpdatedAt()?->format(DATE_ATOM),
+            ], $reviews),
+        ], Response::HTTP_OK));
+    }
+
+    private function findAlbum(string $id): ?Album
+    {
+        $local = $this->albumRepository->findOneByLocalId($id);
+        if ($local instanceof Album) {
+            return $local;
+        }
+
+        return $this->albumRepository->findOneByExternalId($id);
+    }
+
+    /**
+     * @param array<string,mixed> $externalAlbum
+     */
+    private function persistExternalAlbumPayload(array $externalAlbum): Album
+    {
+        $genresMap = $this->tagResolver->resolveGenresForAlbums([$externalAlbum]);
+        $albumId = (string) ($externalAlbum['id'] ?? '');
+
+        $album = $this->albumRepository->upsertFromExternalAlbum(
+            $externalAlbum,
+            $albumId !== '' ? ($genresMap[$albumId] ?? []) : []
+        );
+
+        $tracks = $externalAlbum['tracks']['items'] ?? [];
+        if (is_array($tracks) && $tracks !== []) {
+            $this->trackRepository->replaceAlbumTracks($album, $tracks);
+            $album->setTotalTracks(count($tracks));
+        }
+
+        return $album;
+    }
+
+    /**
+     * @return array<string,mixed>|null
+     */
+    private function readJsonPayload(Request $request): ?array
+    {
+        $content = trim($request->getContent());
+        if ($content === '') {
+            return [];
+        }
+
+        try {
+            $decoded = $request->toArray();
+        } catch (\JsonException) {
+            return null;
+        }
+
+        return is_array($decoded) ? $decoded : null;
+    }
+
+    /**
+     * @param array<string,mixed> $payload
+     * @param array<string,mixed>|null $externalAlbum
+     * @return array<string,mixed>
+     */
+    private function hydrateExternalAlbumImages(array $payload, Album $album, ?array $externalAlbum = null): array
+    {
+        if ($album->getSource() !== 'external') {
+            return $payload;
+        }
+
+        $fresh = $externalAlbum;
+        if ($fresh === null) {
+            $externalId = trim((string) $album->getExternalId());
+            if ($externalId === '') {
+                return $payload;
+            }
+
+            $resolved = $this->lastFmClient->getAlbumWithTracks($externalId);
+            if (!is_array($resolved)) {
+                return $payload;
+            }
+            $fresh = $resolved;
+        }
+
+        $images = $fresh['images'] ?? null;
+        if (is_array($images) && $images !== []) {
+            $payload['images'] = $images;
+        }
+
+        return $payload;
+    }
+}

src/Controller/Api/V1/ApiIndexController.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Controller\Api\V1;
+
+use FOS\RestBundle\Controller\AbstractFOSRestController;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+#[Route('/api/v1')]
+class ApiIndexController extends AbstractFOSRestController
+{
+    #[Route('', name: 'api_v1_index', methods: ['GET'])]
+    public function index(): Response
+    {
+        return $this->handleView($this->view([
+            'name' => 'Tonehaus API',
+            'version' => 'v1',
+            'endpoints' => [
+                'auth' => [
+                    'POST /api/v1/auth/login',
+                ],
+                'albums' => [
+                    'GET /api/v1/albums',
+                    'POST /api/v1/albums/ingest (JWT)',
+                    'GET /api/v1/albums/{id}',
+                    'GET /api/v1/albums/{id}/reviews',
+                ],
+                'reviews' => [
+                    'GET /api/v1/reviews',
+                    'GET /api/v1/reviews/{id}',
+                    'POST /api/v1/reviews (JWT)',
+                    'PUT /api/v1/reviews/{id} (JWT)',
+                    'PATCH /api/v1/reviews/{id} (JWT)',
+                    'DELETE /api/v1/reviews/{id} (JWT)',
+                ],
+            ],
+        ], Response::HTTP_OK));
+    }
+}

src/Controller/Api/V1/ReviewApiController.php

@@ -0,0 +1,203 @@
+<?php
+
+namespace App\Controller\Api\V1;
+
+use App\Entity\Album;
+use App\Entity\Review;
+use App\Entity\User;
+use App\Repository\AlbumRepository;
+use App\Repository\ReviewRepository;
+use Doctrine\ORM\EntityManagerInterface;
+use FOS\RestBundle\Controller\AbstractFOSRestController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+#[Route('/api/v1/reviews')]
+class ReviewApiController extends AbstractFOSRestController
+{
+    public function __construct(
+        private readonly ReviewRepository $reviewRepository,
+        private readonly AlbumRepository $albumRepository,
+        private readonly EntityManagerInterface $entityManager,
+    ) {
+    }
+
+    #[Route('', name: 'api_v1_review_index', methods: ['GET'])]
+    public function index(Request $request): Response
+    {
+        $limit = max(1, min(100, (int) $request->query->get('limit', 50)));
+        $reviews = $this->reviewRepository->findLatest($limit);
+
+        return $this->handleView($this->view([
+            'data' => array_map(fn(Review $review) => $this->serializeReview($review), $reviews),
+        ], Response::HTTP_OK));
+    }
+
+    #[Route('/{id}', name: 'api_v1_review_show', requirements: ['id' => '\\d+'], methods: ['GET'])]
+    public function show(Review $review): Response
+    {
+        return $this->handleView($this->view(['data' => $this->serializeReview($review)], Response::HTTP_OK));
+    }
+
+    #[Route('', name: 'api_v1_review_create', methods: ['POST'])]
+    #[IsGranted('ROLE_USER')]
+    public function create(Request $request): Response
+    {
+        $payload = $this->readJsonPayload($request);
+        if ($payload === null) {
+            return $this->handleView($this->view(['error' => 'invalid_json'], Response::HTTP_BAD_REQUEST));
+        }
+
+        $albumId = trim((string) ($payload['album_id'] ?? ''));
+        $album = $this->resolveAlbum($albumId);
+        if (!$album instanceof Album) {
+            return $this->handleView($this->view(['error' => 'album_not_found'], Response::HTTP_NOT_FOUND));
+        }
+
+        $title = trim((string) ($payload['title'] ?? ''));
+        $content = trim((string) ($payload['content'] ?? ''));
+        $rating = (int) ($payload['rating'] ?? 0);
+
+        if ($title === '' || $content === '' || $rating < 1 || $rating > 10) {
+            return $this->handleView($this->view(['error' => 'title_content_rating_required'], Response::HTTP_BAD_REQUEST));
+        }
+
+        if (mb_strlen($content) < 20) {
+            return $this->handleView($this->view(['error' => 'content_too_short'], Response::HTTP_BAD_REQUEST));
+        }
+
+        $author = $this->getUser();
+        if (!$author instanceof User) {
+            return $this->handleView($this->view(['error' => 'authentication_required'], Response::HTTP_UNAUTHORIZED));
+        }
+
+        $review = new Review();
+        $review->setAlbum($album);
+        $review->setAuthor($author);
+        $review->setTitle($title);
+        $review->setContent($content);
+        $review->setRating($rating);
+
+        $this->entityManager->persist($review);
+        $this->entityManager->flush();
+
+        return $this->handleView($this->view(['data' => $this->serializeReview($review)], Response::HTTP_CREATED));
+    }
+
+    #[Route('/{id}', name: 'api_v1_review_update', requirements: ['id' => '\\d+'], methods: ['PUT', 'PATCH'])]
+    #[IsGranted('ROLE_USER')]
+    public function update(Review $review, Request $request): Response
+    {
+        $this->denyAccessUnlessGranted('REVIEW_EDIT', $review);
+
+        $payload = $this->readJsonPayload($request);
+        if ($payload === null) {
+            return $this->handleView($this->view(['error' => 'invalid_json'], Response::HTTP_BAD_REQUEST));
+        }
+
+        if (array_key_exists('title', $payload)) {
+            $title = trim((string) $payload['title']);
+            if ($title === '') {
+                return $this->handleView($this->view(['error' => 'title_cannot_be_empty'], Response::HTTP_BAD_REQUEST));
+            }
+            $review->setTitle($title);
+        }
+
+        if (array_key_exists('content', $payload)) {
+            $content = trim((string) $payload['content']);
+            if ($content === '') {
+                return $this->handleView($this->view(['error' => 'content_cannot_be_empty'], Response::HTTP_BAD_REQUEST));
+            }
+            if (mb_strlen($content) < 20) {
+                return $this->handleView($this->view(['error' => 'content_too_short'], Response::HTTP_BAD_REQUEST));
+            }
+            $review->setContent($content);
+        }
+
+        if (array_key_exists('rating', $payload)) {
+            $rating = (int) $payload['rating'];
+            if ($rating < 1 || $rating > 10) {
+                return $this->handleView($this->view(['error' => 'rating_out_of_range'], Response::HTTP_BAD_REQUEST));
+            }
+            $review->setRating($rating);
+        }
+
+        $this->entityManager->flush();
+
+        return $this->handleView($this->view(['data' => $this->serializeReview($review)], Response::HTTP_OK));
+    }
+
+    #[Route('/{id}', name: 'api_v1_review_delete', requirements: ['id' => '\\d+'], methods: ['DELETE'])]
+    #[IsGranted('ROLE_USER')]
+    public function delete(Review $review): Response
+    {
+        $this->denyAccessUnlessGranted('REVIEW_DELETE', $review);
+
+        $this->entityManager->remove($review);
+        $this->entityManager->flush();
+
+        return $this->handleView($this->view(null, Response::HTTP_NO_CONTENT));
+    }
+
+    /**
+     * @return array<string,mixed>
+     */
+    private function serializeReview(Review $review): array
+    {
+        $album = $review->getAlbum();
+
+        return [
+            'id' => $review->getId(),
+            'title' => $review->getTitle(),
+            'content' => $review->getContent(),
+            'rating' => $review->getRating(),
+            'created_at' => $review->getCreatedAt()?->format(DATE_ATOM),
+            'updated_at' => $review->getUpdatedAt()?->format(DATE_ATOM),
+            'author' => [
+                'id' => $review->getAuthor()?->getId(),
+                'email' => $review->getAuthor()?->getEmail(),
+                'display_name' => $review->getAuthor()?->getDisplayName(),
+            ],
+            'album' => [
+                'id' => $album?->getSource() === 'user' ? $album?->getLocalId() : $album?->getExternalId(),
+                'name' => $album?->getName(),
+                'source' => $album?->getSource(),
+            ],
+        ];
+    }
+
+    private function resolveAlbum(string $albumId): ?Album
+    {
+        if ($albumId === '') {
+            return null;
+        }
+
+        $local = $this->albumRepository->findOneByLocalId($albumId);
+        if ($local instanceof Album) {
+            return $local;
+        }
+
+        return $this->albumRepository->findOneByExternalId($albumId);
+    }
+
+    /**
+     * @return array<string,mixed>|null
+     */
+    private function readJsonPayload(Request $request): ?array
+    {
+        $content = trim($request->getContent());
+        if ($content === '') {
+            return [];
+        }
+
+        try {
+            $decoded = $request->toArray();
+        } catch (\JsonException) {
+            return null;
+        }
+
+        return is_array($decoded) ? $decoded : null;
+    }
+}

src/Dto/AlbumSearchCriteria.php

@@ -18,7 +18,7 @@ final class AlbumSearchCriteria
     /** Explicit artist filter supplied via the advanced panel. */
     public readonly string $artist;
 
-    /** Genre substring to match within stored Spotify/user genres. */
+    /** Genre substring to match within stored external/user genres. */
     public readonly string $genre;
 
     /** Lower bound (inclusive) of the release year filter, if any. */
@@ -27,7 +27,7 @@ final class AlbumSearchCriteria
     /** Upper bound (inclusive) of the release year filter, if any. */
     public readonly ?int $yearTo;
 
-    /** Requested source scope: `all`, `spotify`, or `user`. */
+    /** Requested source scope: `all`, `external`, or `user`. */
     public readonly string $source;
 
     /** Maximum number of results the search should return. */
@@ -49,7 +49,7 @@ final class AlbumSearchCriteria
         $this->genre = $genre;
         $this->yearFrom = $yearFrom;
         $this->yearTo = $yearTo;
-        $this->source = in_array($source, ['all', 'spotify', 'user'], true) ? $source : 'all';
+        $this->source = in_array($source, ['all', 'external', 'user'], true) ? $source : 'all';
         $this->limit = max(1, $limit);
     }
 
@@ -71,11 +71,11 @@ final class AlbumSearchCriteria
     }
 
     /**
-     * Determines whether the search should include Spotify-sourced albums.
+     * Determines whether the search should include externally sourced albums.
      */
-    public function shouldUseSpotify(): bool
+    public function shouldUseExternal(): bool
     {
-        return $this->source === 'all' || $this->source === 'spotify';
+        return $this->source === 'all' || $this->source === 'external';
     }
 
     /**
@@ -101,7 +101,6 @@ final class AlbumSearchCriteria
     private static function normalizeSource(string $source): string
     {
         $source = strtolower(trim($source));
-        return in_array($source, ['all', 'spotify', 'user'], true) ? $source : 'all';
+        return in_array($source, ['all', 'external', 'user'], true) ? $source : 'all';
     }
 }
-

src/Dto/AlbumSearchResult.php

@@ -5,7 +5,7 @@ namespace App\Dto;
 /**
  * AlbumSearchResult is the value object returned by AlbumSearchService.
  * It keeps the original criteria alongside the merged album payloads,
- * per-album review stats, and a list of Spotify IDs stored locally.
+ * per-album review stats, and a list of externally sourced IDs stored locally.
  */
 final class AlbumSearchResult
 {
@@ -21,9 +21,8 @@ final class AlbumSearchResult
         public readonly array $albums,
         /** Per-album review aggregates keyed by album ID. */
         public readonly array $stats,
-        /** List of Spotify IDs saved locally for quick lookup. */
+        /** List of externally sourced IDs saved locally for quick lookup. */
         public readonly array $savedIds
     ) {
     }
 }
-

src/Entity/Album.php

@@ -11,7 +11,7 @@ use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Validator\Constraints as Assert;
 
 /**
- * Album aggregates Spotify or user-submitted metadata persisted in the catalog.
+ * Album aggregates external or user-submitted metadata persisted in the catalog.
  */
 #[ORM\Entity(repositoryClass: AlbumRepository::class)]
 #[ORM\Table(name: 'albums')]
@@ -27,17 +27,17 @@ class Album
     #[ORM\Column(type: 'integer')]
     private ?int $id = null;
 
-    // For Spotify-sourced albums; null for user-created
+    // For externally sourced albums; null for user-created
     #[ORM\Column(type: 'string', length: 64, unique: true, nullable: true)]
-    private ?string $spotifyId = null;
+    private ?string $externalId = null;
 
-    // Public identifier for user-created albums (e.g., "u_abc123"); null for Spotify
+    // Public identifier for user-created albums (e.g., "u_abc123"); null for external
     #[ORM\Column(type: 'string', length: 64, unique: true, nullable: true)]
     private ?string $localId = null;
 
-    // 'spotify' or 'user'
+    // 'external' or 'user'
     #[ORM\Column(type: 'string', length: 16)]
-    private string $source = 'spotify';
+    private string $source = 'external';
 
     #[ORM\Column(type: 'string', length: 255)]
     #[Assert\NotBlank]
@@ -55,7 +55,7 @@ class Album
     #[ORM\Column(type: 'json')]
     private array $genres = [];
 
-    // Stored as given by Spotify: YYYY or YYYY-MM or YYYY-MM-DD
+    // Stored as provided by the source: YYYY or YYYY-MM or YYYY-MM-DD
     #[ORM\Column(type: 'string', length: 20, nullable: true)]
     private ?string $releaseDate = null;
 
@@ -115,19 +115,19 @@ class Album
     }
 
     /**
-     * Gets the Spotify album identifier when sourced from Spotify.
+     * Gets the external album identifier when sourced externally.
      */
-    public function getSpotifyId(): ?string
+    public function getExternalId(): ?string
     {
-        return $this->spotifyId;
+        return $this->externalId;
     }
 
     /**
-     * Stores the Spotify album identifier.
+     * Stores the external album identifier.
      */
-    public function setSpotifyId(?string $spotifyId): void
+    public function setExternalId(?string $externalId): void
     {
-        $this->spotifyId = $spotifyId;
+        $this->externalId = $externalId;
     }
 
     /**
@@ -147,7 +147,7 @@ class Album
     }
 
     /**
-     * Returns the album source flag ("spotify" or "user").
+     * Returns the album source flag ("external" or "user").
      */
     public function getSource(): string
     {
@@ -155,7 +155,7 @@ class Album
     }
 
     /**
-     * Sets the album source flag ("spotify" or "user").
+     * Sets the album source flag ("external" or "user").
      */
     public function setSource(string $source): void
     {
@@ -264,7 +264,7 @@ class Album
     }
 
     /**
-     * Returns an external link (defaults to Spotify).
+     * Returns an external link.
      */
     public function getExternalUrl(): ?string
     {
@@ -335,9 +335,11 @@ class Album
     public function toTemplateArray(): array
     {
         $images = [];
-        $imageUrl = $this->coverUrl;
+        $imageUrl = null;
         if ($this->source === 'user' && $this->coverImagePath) {
             $imageUrl = $this->coverImagePath;
+        } elseif ($this->source !== 'external') {
+            $imageUrl = $this->coverUrl;
         }
         if ($imageUrl) {
             $images = [
@@ -347,11 +349,10 @@ class Album
         }
         $artists = array_map(static fn(string $n) => ['name' => $n], $this->artists);
         $external = $this->externalUrl;
-        if ($external === null && $this->source === 'spotify' && $this->spotifyId) {
+        $publicId = $this->source === 'user' ? (string) $this->localId : (string) $this->externalId;
-            $external = 'https://open.spotify.com/album/' . $this->spotifyId;
+        $genres = $this->source === 'external'
-        }
+            ? $this->normalizeTopGenreForOutput($this->genres)
-        $publicId = $this->source === 'user' ? (string) $this->localId : (string) $this->spotifyId;
+            : array_slice($this->genres, 0, 5);
-        $genres = array_slice($this->genres, 0, 5);
 
         return [
             'id' => $publicId,
@@ -361,11 +362,27 @@ class Album
             'genres' => $genres,
             'release_date' => $this->releaseDate,
             'total_tracks' => $this->totalTracks,
-            'external_urls' => [ 'spotify' => $external ],
+            'external_urls' => ['external' => $external],
             'source' => $this->source,
         ];
     }
 
+    /**
+     * @param list<string> $genres
+     * @return list<string>
+     */
+    private function normalizeTopGenreForOutput(array $genres): array
+    {
+        foreach ($genres as $genre) {
+            $value = trim((string) $genre);
+            if ($value !== '') {
+                return [mb_convert_case(mb_strtolower($value), MB_CASE_TITLE, 'UTF-8')];
+            }
+        }
+
+        return [];
+    }
+
     /**
      * @return Collection<int, AlbumTrack>
      */
@@ -389,5 +406,3 @@ class Album
         }
     }
 }
-
-

src/Entity/AlbumTrack.php

@@ -6,7 +6,7 @@ use App\Repository\AlbumTrackRepository;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
- * AlbumTrack persists individual tracks fetched from Spotify.
+ * AlbumTrack persists individual tracks fetched from External.
  */
 #[ORM\Entity(repositoryClass: AlbumTrackRepository::class)]
 #[ORM\Table(name: 'album_tracks')]
@@ -23,7 +23,7 @@ class AlbumTrack
     private ?Album $album = null;
 
     #[ORM\Column(type: 'string', length: 64, nullable: true)]
-    private ?string $spotifyTrackId = null;
+    private ?string $externalTrackId = null;
 
     #[ORM\Column(type: 'integer')]
     private int $discNumber = 1;
@@ -55,14 +55,14 @@ class AlbumTrack
         $this->album = $album;
     }
 
-    public function getSpotifyTrackId(): ?string
+    public function getExternalTrackId(): ?string
     {
-        return $this->spotifyTrackId;
+        return $this->externalTrackId;
     }
 
-    public function setSpotifyTrackId(?string $spotifyTrackId): void
+    public function setExternalTrackId(?string $externalTrackId): void
     {
-        $this->spotifyTrackId = $spotifyTrackId;
+        $this->externalTrackId = $externalTrackId;
     }
 
     public function getDiscNumber(): int

src/Entity/User.php

@@ -46,6 +46,12 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
     #[ORM\Column(type: 'string', length: 255, nullable: true)]
     private ?string $profileImagePath = null;
 
+    #[ORM\Column(type: 'string', length: 50, nullable: true)]
+    private ?string $oauthProvider = null;
+
+    #[ORM\Column(type: 'string', length: 190, nullable: true)]
+    private ?string $oauthId = null;
+
     /**
      * Returns the database identifier.
      */
@@ -164,6 +170,25 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
     {
         $this->profileImagePath = $profileImagePath;
     }
+
+    public function getOauthProvider(): ?string
+    {
+        return $this->oauthProvider;
     }
 
+    public function setOauthProvider(?string $oauthProvider): void
+    {
+        $this->oauthProvider = $oauthProvider === null ? null : strtolower(trim($oauthProvider));
+    }
+
+    public function getOauthId(): ?string
+    {
+        return $this->oauthId;
+    }
+
+    public function setOauthId(?string $oauthId): void
+    {
+        $this->oauthId = $oauthId === null ? null : trim($oauthId);
+    }
+}
 

src/Form/SiteSettingsType.php

@@ -9,24 +9,19 @@ use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
- * SiteSettingsType exposes toggles for operations staff (Spotify creds, registration).
+ * SiteSettingsType exposes toggles for operations staff (Last.fm key, registration).
  */
 class SiteSettingsType extends AbstractType
 {
     /**
-     * Exposes Spotify credential inputs for administrators.
+     * Exposes Last.fm credential inputs for administrators.
      */
     public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder
-            ->add('SPOTIFY_CLIENT_ID', TextType::class, [
+            ->add('LASTFM_API_KEY', TextType::class, [
                 'required' => false,
-                'label' => 'Spotify Client ID',
+                'label' => 'Last.fm API key',
-                'mapped' => false,
-            ])
-            ->add('SPOTIFY_CLIENT_SECRET', TextType::class, [
-                'required' => false,
-                'label' => 'Spotify Client Secret',
                 'mapped' => false,
             ])
             ->add('REGISTRATION_ENABLED', CheckboxType::class, [
@@ -45,4 +40,3 @@ class SiteSettingsType extends AbstractType
     }
 }
 
-

src/Repository/AlbumRepository.php

@@ -25,11 +25,11 @@ class AlbumRepository extends ServiceEntityRepository
     }
 
     /**
-     * Finds one album by Spotify identifier.
+     * Finds one album by External identifier.
      */
-    public function findOneBySpotifyId(string $spotifyId): ?Album
+    public function findOneByExternalId(string $externalId): ?Album
     {
-        return $this->findOneBy(['spotifyId' => $spotifyId]);
+        return $this->findOneBy(['externalId' => $externalId]);
     }
 
     /**
@@ -41,48 +41,48 @@ class AlbumRepository extends ServiceEntityRepository
     }
 
     /**
-     * Returns albums keyed by Spotify identifiers for quick lookup.
+     * Returns albums keyed by External identifiers for quick lookup.
      *
-     * @param list<string> $spotifyIds
+     * @param list<string> $externalIds
      * @return array<string,Album>
      */
-    public function findBySpotifyIdsKeyed(array $spotifyIds): array
+    public function findByExternalIdsKeyed(array $externalIds): array
     {
-        if ($spotifyIds === []) {
+        if ($externalIds === []) {
             return [];
         }
         $rows = $this->createQueryBuilder('a')
-            ->where('a.spotifyId IN (:ids)')
+            ->where('a.externalId IN (:ids)')
-            ->setParameter('ids', $spotifyIds)
+            ->setParameter('ids', $externalIds)
             ->getQuery()
             ->getResult();
         $out = [];
         foreach ($rows as $row) {
-            if ($row instanceof Album && $row->getSpotifyId() !== null) {
+            if ($row instanceof Album && $row->getExternalId() !== null) {
-                $out[$row->getSpotifyId()] = $row;
+                $out[$row->getExternalId()] = $row;
             }
         }
         return $out;
     }
 
     /**
-     * Returns all stored Spotify album IDs so background jobs can iterate over them.
+     * Returns all stored External album IDs so background jobs can iterate over them.
      *
      * @return list<string>
      */
-    public function findAllSpotifyIds(): array
+    public function findAllExternalIds(): array
     {
         $rows = $this->createQueryBuilder('a')
-            ->select('a.spotifyId')
+            ->select('a.externalId')
             ->where('a.source = :src')
-            ->andWhere('a.spotifyId IS NOT NULL')
+            ->andWhere('a.externalId IS NOT NULL')
-            ->setParameter('src', 'spotify')
+            ->setParameter('src', 'external')
             ->getQuery()
             ->getScalarResult();
 
         $ids = [];
         foreach ($rows as $row) {
-            $sid = (string) ($row['spotifyId'] ?? '');
+            $sid = (string) ($row['externalId'] ?? '');
             if ($sid !== '') {
                 $ids[] = $sid;
             }
@@ -124,15 +124,15 @@ class AlbumRepository extends ServiceEntityRepository
     }
 
     /**
-     * Filters persisted Spotify albums before falling back to the API.
+     * Filters persisted External albums before falling back to the API.
      *
      * @return list<Album>
      */
-    public function searchSpotifyAlbums(?string $freeText, ?string $albumName, ?string $artist, ?string $genre, int $yearFrom, int $yearTo, int $limit = 20): array
+    public function searchExternalAlbums(?string $freeText, ?string $albumName, ?string $artist, ?string $genre, int $yearFrom, int $yearTo, int $limit = 20): array
     {
         $qb = $this->createQueryBuilder('a')
             ->where('a.source = :src')
-            ->setParameter('src', 'spotify')
+            ->setParameter('src', 'external')
             ->setMaxResults($limit * 2);
         if ($freeText !== null && $freeText !== '') {
             $qb->andWhere('LOWER(a.name) LIKE :qName')
@@ -156,43 +156,36 @@ class AlbumRepository extends ServiceEntityRepository
     }
 
     /**
-     * Upserts data from a Spotify album payload and keeps DB entities in sync.
+     * Upserts data from an external album payload and keeps DB entities in sync.
      *
-     * @param array<string,mixed> $spotifyAlbum   Raw Spotify album payload.
+     * @param array<string,mixed> $externalAlbum  Raw external album payload.
-     * @param list<string>        $resolvedGenres Optional, precomputed genres (typically from artist lookups).
+     * @param list<string>        $resolvedGenres Optional, precomputed genres.
      */
-    public function upsertFromSpotifyAlbum(array $spotifyAlbum, array $resolvedGenres = []): Album
+    public function upsertFromExternalAlbum(array $externalAlbum, array $resolvedGenres = []): Album
     {
-        $spotifyId = (string) ($spotifyAlbum['id'] ?? '');
+        $externalId = (string) ($externalAlbum['id'] ?? '');
-        $name = (string) ($spotifyAlbum['name'] ?? '');
+        $name = (string) ($externalAlbum['name'] ?? '');
-        $artists = array_values(array_map(static fn($a) => (string) ($a['name'] ?? ''), (array) ($spotifyAlbum['artists'] ?? [])));
+        $artists = array_values(array_map(static fn($a) => (string) ($a['name'] ?? ''), (array) ($externalAlbum['artists'] ?? [])));
-        $rawGenres = $resolvedGenres !== [] ? $resolvedGenres : (array) ($spotifyAlbum['genres'] ?? []);
+        $rawGenres = $resolvedGenres !== [] ? $resolvedGenres : (array) ($externalAlbum['genres'] ?? []);
-        $genres = array_values(array_filter(array_map(static fn($g) => trim((string) $g), $rawGenres), static fn($g) => $g !== ''));
+        $genres = $this->normalizeTopGenre($rawGenres);
-        $releaseDate = isset($spotifyAlbum['release_date']) ? (string) $spotifyAlbum['release_date'] : null;
+        $releaseDate = isset($externalAlbum['release_date']) ? (string) $externalAlbum['release_date'] : null;
-        $totalTracks = (int) ($spotifyAlbum['total_tracks'] ?? 0);
+        $totalTracks = (int) ($externalAlbum['total_tracks'] ?? 0);
-
-        $images = (array) ($spotifyAlbum['images'] ?? []);
-        $coverUrl = null;
-        if (isset($images[1]['url'])) {
-            $coverUrl = (string) $images[1]['url'];
-        } elseif (isset($images[0]['url'])) {
-            $coverUrl = (string) $images[0]['url'];
-        }
         $external = null;
-        if (isset($spotifyAlbum['external_urls']['spotify'])) {
+        if (isset($externalAlbum['external_urls']['external'])) {
-            $external = (string) $spotifyAlbum['external_urls']['spotify'];
+            $external = (string) $externalAlbum['external_urls']['external'];
         }
 
         $em = $this->getEntityManager();
-        $album = $this->findOneBy(['spotifyId' => $spotifyId]) ?? new Album();
+        $album = $this->findOneBy(['externalId' => $externalId]) ?? new Album();
-        $album->setSource('spotify');
+        $album->setSource('external');
-        $album->setSpotifyId($spotifyId);
+        $album->setExternalId($externalId);
         $album->setName($name);
         $album->setArtists($artists);
         $album->setGenres($genres);
         $album->setReleaseDate($releaseDate);
         $album->setTotalTracks($totalTracks);
-        $album->setCoverUrl($coverUrl);
+        // External cover URLs should be fetched live from Last.fm at response time.
+        $album->setCoverUrl(null);
         $album->setExternalUrl($external);
         $em->persist($album);
         return $album;
@@ -266,6 +259,22 @@ class AlbumRepository extends ServiceEntityRepository
         }
         return mb_strtolower($trimmed);
     }
+
+    /**
+     * @param array<int,mixed> $rawGenres
+     * @return list<string>
+     */
+    private function normalizeTopGenre(array $rawGenres): array
+    {
+        foreach ($rawGenres as $genre) {
+            $value = trim((string) $genre);
+            if ($value === '') {
+                continue;
             }
 
+            return [mb_convert_case(mb_strtolower($value), MB_CASE_TITLE, 'UTF-8')];
+        }
 
+        return [];
+    }
+}

src/Repository/AlbumTrackRepository.php

@@ -23,7 +23,7 @@ class AlbumTrackRepository extends ServiceEntityRepository
     }
 
     /**
-     * Replaces an album's stored tracklist with the provided Spotify payload.
+     * Replaces an album's stored tracklist with the provided External payload.
      *
      * @param list<array<string,mixed>> $trackPayloads
      */
@@ -47,10 +47,10 @@ class AlbumTrackRepository extends ServiceEntityRepository
 
             $track = new AlbumTrack();
             $track->setAlbum($album);
-            $track->setSpotifyTrackId($this->stringOrNull($payload['id'] ?? null));
+            $track->setExternalTrackId($this->stringOrNull($payload['id'] ?? null));
             $disc = $this->normalizePositiveInt($payload['disc_number'] ?? 1);
             $trackNumber = $this->normalizePositiveInt($payload['track_number'] ?? $position);
-            // Some Spotify payloads reuse the same track index (remixes, duplicates, etc.); bump forward until unique.
+            // Some External payloads reuse the same track index (remixes, duplicates, etc.); bump forward until unique.
             $trackNumber = $this->ensureUniqueTrackNumber($occupied, $disc, $trackNumber);
             $track->setDiscNumber($disc);
             $track->setTrackNumber($trackNumber);
@@ -65,7 +65,7 @@ class AlbumTrackRepository extends ServiceEntityRepository
     }
 
     /**
-     * Trims user/Spotify data to a nullable string, collapsing empty values to null.
+     * Trims user/External data to a nullable string, collapsing empty values to null.
      */
     private function stringOrNull(mixed $value): ?string
     {

src/Repository/ReviewRepository.php

@@ -36,7 +36,7 @@ class ReviewRepository extends ServiceEntityRepository
     }
 
     /**
-     * Aggregates review counts and averages for Spotify IDs.
+     * Aggregates review counts and averages for External IDs.
      *
      * @param list<string> $albumIds
      * @return array<string,array{count:int,avg:float}>
@@ -49,10 +49,10 @@ class ReviewRepository extends ServiceEntityRepository
 
         $qb = $this->createQueryBuilder('r')
             ->innerJoin('r.album', 'a')
-            ->select('a.spotifyId AS albumId, COUNT(r.id) AS cnt, AVG(r.rating) AS avgRating')
+            ->select('a.externalId AS albumId, COUNT(r.id) AS cnt, AVG(r.rating) AS avgRating')
-            ->where('a.spotifyId IN (:ids)')
+            ->where('a.externalId IN (:ids)')
             ->setParameter('ids', $albumIds)
-            ->groupBy('a.spotifyId');
+            ->groupBy('a.externalId');
         $rows = $qb->getQuery()->getArrayResult();
 
         $out = [];

src/Repository/UserRepository.php

@@ -35,6 +35,20 @@ class UserRepository extends ServiceEntityRepository
             ->getOneOrNullResult();
     }
 
+    /**
+     * Retrieves a user by OAuth provider and provider user ID.
+     */
+    public function findOneByOauthIdentity(string $provider, string $oauthId): ?User
+    {
+        return $this->createQueryBuilder('u')
+            ->andWhere('u.oauthProvider = :provider')
+            ->andWhere('u.oauthId = :oauthId')
+            ->setParameter('provider', strtolower($provider))
+            ->setParameter('oauthId', $oauthId)
+            ->getQuery()
+            ->getOneOrNullResult();
+    }
+
     /**
      * Returns every user with aggregated album/review counts.
      *
@@ -66,4 +80,3 @@ class UserRepository extends ServiceEntityRepository
     }
 }
 
-

src/Service/AlbumSearchService.php

@@ -7,110 +7,90 @@ use App\Dto\AlbumSearchResult;
 use App\Entity\Album;
 use App\Repository\AlbumRepository;
 use App\Repository\ReviewRepository;
-use App\Service\SpotifyGenreResolver;
 use Doctrine\ORM\EntityManagerInterface;
 use Psr\Log\LoggerInterface;
 
 /**
- * AlbumSearchService pulls albums from Spotify and the local catalog,
+ * AlbumSearchService pulls albums from Last.fm and the local catalog,
  * adds review stats, and hands the UI one uniform structure to render.
  */
 class AlbumSearchService
 {
     public function __construct(
-        private readonly SpotifyClient $spotifyClient,
+        private readonly LastFmClient $lastFmClient,
         private readonly AlbumRepository $albumRepository,
         private readonly ReviewRepository $reviewRepository,
         private readonly EntityManagerInterface $entityManager,
         private readonly LoggerInterface $logger,
-        private readonly SpotifyGenreResolver $genreResolver,
+        private readonly LastFmTagResolver $tagResolver,
     ) {
     }
 
     /**
-     * Runs the end-to-end search flow: figures out which sources to query, merges the payloads,
+     * Runs the end-to-end search flow and returns review stats plus saved IDs.
-     * and returns review stats plus saved IDs so templates get everything in one package.
      */
     public function search(AlbumSearchCriteria $criteria): AlbumSearchResult
     {
-        $spotifyQuery = $this->buildSpotifySearchQuery($criteria);
+        $externalQuery = $this->buildExternalSearchQuery($criteria);
-        $hasUserFilters = $this->hasUserFilters($criteria, $spotifyQuery);
+        $hasUserFilters = $this->hasUserFilters($criteria, $externalQuery);
-        // Spotify only gets pinged when callers explicitly enable it and we actually have
+
-        // something to ask for (bare "all" requests would otherwise waste API calls).
+        $shouldQueryExternal = $criteria->shouldUseExternal()
-        $shouldQuerySpotify = $criteria->shouldUseSpotify()
+            && ($externalQuery !== '' || $criteria->genre !== '' || $criteria->source === 'external');
-            && ($spotifyQuery !== '' || $criteria->genre !== '' || $criteria->source === 'spotify');
 
         $stats = [];
         $savedIds = [];
-        $spotifyPayloads = [];
+        $externalPayloads = [];
         $userPayloads = [];
 
-        if ($shouldQuerySpotify) {
+        if ($shouldQueryExternal) {
-            // Try to reuse cached Spotify albums and only hit the API if we still need more.
+            $externalData = $this->resolveExternalAlbums($criteria, $externalQuery);
-            $spotifyData = $this->resolveSpotifyAlbums($criteria, $spotifyQuery);
+            $externalPayloads = $externalData['payloads'];
-            $spotifyPayloads = $spotifyData['payloads'];
+            $stats = $this->mergeStats($stats, $externalData['stats']);
-            $stats = $this->mergeStats($stats, $spotifyData['stats']);
+            $savedIds = $this->mergeSavedIds($savedIds, $externalData['savedIds']);
-            $savedIds = $this->mergeSavedIds($savedIds, $spotifyData['savedIds']);
         }
 
         if ($criteria->shouldUseUserCatalog() && $hasUserFilters) {
-            // Skip the user query unless at least one meaningful filter is present.
             $userData = $this->resolveUserAlbums($criteria);
             $userPayloads = $userData['payloads'];
             $stats = $this->mergeStats($stats, $userData['stats']);
         }
 
-        $albums = $this->composeAlbumList($criteria->source, $userPayloads, $spotifyPayloads, $criteria->limit);
+        $albums = $this->composeAlbumList($criteria->source, $userPayloads, $externalPayloads, $criteria->limit);
 
         return new AlbumSearchResult($criteria, $albums, $stats, $savedIds);
     }
 
     /**
-     * Indicates whether Spotify credentials are configured.
+     * Indicates whether Last.fm credentials are configured.
      */
-    public function isSpotifyConfigured(): bool
+    public function isExternalConfigured(): bool
     {
-        return $this->spotifyClient->isConfigured();
+        return $this->lastFmClient->isConfigured();
     }
 
-    /**
+    private function buildExternalSearchQuery(AlbumSearchCriteria $criteria): string
-     * Turns structured filters into Spotify's free-form query syntax.
-     */
-    private function buildSpotifySearchQuery(AlbumSearchCriteria $criteria): string
     {
         $parts = [];
-        if ($criteria->albumName !== '') {
-            $parts[] = 'album:' . $criteria->albumName;
-        }
-        if ($criteria->artist !== '') {
-            $parts[] = 'artist:' . $criteria->artist;
-        }
-        if ($criteria->yearFrom !== null || $criteria->yearTo !== null) {
-            if ($criteria->yearFrom !== null && $criteria->yearTo !== null && $criteria->yearTo >= $criteria->yearFrom) {
-                $parts[] = 'year:' . $criteria->yearFrom . '-' . $criteria->yearTo;
-            } else {
-                $year = $criteria->yearFrom ?? $criteria->yearTo;
-                if ($year !== null) {
-                    $parts[] = 'year:' . $year;
-                }
-            }
-        }
         if ($criteria->query !== '') {
             $parts[] = $criteria->query;
         }
-        return implode(' ', $parts);
+        if ($criteria->albumName !== '') {
+            $parts[] = $criteria->albumName;
+        }
+        if ($criteria->artist !== '') {
+            $parts[] = $criteria->artist;
         }
 
-    /**
+        return trim(implode(' ', $parts));
-     * Quick gate to tell if it's worth running the user catalog query.
+    }
-     */
+
-    private function hasUserFilters(AlbumSearchCriteria $criteria, string $spotifyQuery): bool
+    private function hasUserFilters(AlbumSearchCriteria $criteria, string $externalQuery): bool
     {
         if ($criteria->source === 'user') {
             return true;
         }
 
-        return $spotifyQuery !== ''
+        return $externalQuery !== ''
             || $criteria->albumName !== ''
             || $criteria->artist !== ''
             || $criteria->genre !== ''
@@ -119,13 +99,11 @@ class AlbumSearchService
     }
 
     /**
-     * Looks up cached Spotify albums and, if needed, tops them off with fresh API data.
-     *
      * @return array{payloads:array<int,array<mixed>>,stats:array<string,array{count:int,avg:float}>,savedIds:array<int,string>}
      */
-    private function resolveSpotifyAlbums(AlbumSearchCriteria $criteria, string $spotifyQuery): array
+    private function resolveExternalAlbums(AlbumSearchCriteria $criteria, string $externalQuery): array
     {
-        $storedSpotifyAlbums = $this->albumRepository->searchSpotifyAlbums(
+        $storedExternalAlbums = $this->albumRepository->searchExternalAlbums(
             $criteria->query,
             $criteria->albumName,
             $criteria->artist,
@@ -134,100 +112,92 @@ class AlbumSearchService
             $criteria->yearTo ?? 0,
             $criteria->limit
         );
-        $storedPayloads = array_map(static fn(Album $album) => $album->toTemplateArray(), $storedSpotifyAlbums);
+
+        $storedPayloads = array_map(static fn(Album $album) => $album->toTemplateArray(), $storedExternalAlbums);
         $storedPayloads = $this->filterPayloadsByGenre($storedPayloads, $criteria->genre);
-        $storedIds = $this->collectSpotifyIds($storedSpotifyAlbums);
+        $storedPayloads = $this->filterPayloadsByYear($storedPayloads, $criteria->yearFrom, $criteria->yearTo);
+        $storedPayloads = $this->hydrateExternalImages($storedPayloads);
+
+        $storedIds = $this->collectExternalIds($storedExternalAlbums);
         $stats = $storedIds ? $this->reviewRepository->getAggregatesForAlbumIds($storedIds) : [];
-        $savedIds = $storedIds;
 
-        $shouldFetchFromSpotify = $spotifyQuery !== '' && count($storedSpotifyAlbums) < $criteria->limit;
+        $shouldFetchFromExternal = $externalQuery !== '' && count($storedPayloads) < $criteria->limit;
-
+        if (!$shouldFetchFromExternal) {
-        if (!$shouldFetchFromSpotify) {
             return [
                 'payloads' => array_slice($storedPayloads, 0, $criteria->limit),
                 'stats' => $stats,
-                'savedIds' => $savedIds,
+                'savedIds' => $storedIds,
             ];
         }
 
-        // Mix cached payloads with just enough fresh API data to satisfy the limit. 
+        $apiPayloads = $this->fetchExternalPayloads($criteria, $externalQuery);
-        // This has the consequence of preferring cached data, but reduces API calls.
-        $apiPayloads = $this->fetchSpotifyPayloads($criteria, $spotifyQuery, $storedPayloads);
         $filteredApiPayloads = $this->filterPayloadsByGenre($apiPayloads['payloads'], $criteria->genre);
-        $payloads = $this->mergePayloadLists($filteredApiPayloads, $storedPayloads, $criteria->limit);
+        $filteredApiPayloads = $this->filterPayloadsByYear($filteredApiPayloads, $criteria->yearFrom, $criteria->yearTo);
-        $stats = $this->mergeStats($stats, $apiPayloads['stats']);
-        $savedIds = $this->mergeSavedIds($savedIds, $apiPayloads['savedIds']);
 
-        return ['payloads' => $payloads, 'stats' => $stats, 'savedIds' => $savedIds];
+        return [
+            'payloads' => $this->mergePayloadLists($filteredApiPayloads, $storedPayloads, $criteria->limit),
+            'stats' => $this->mergeStats($stats, $apiPayloads['stats']),
+            'savedIds' => $this->mergeSavedIds($storedIds, $apiPayloads['savedIds']),
+        ];
     }
 
     /**
-     * Calls Spotify search/albums endpoints, syncs what we find, and returns normalized payloads, stats, and IDs.
-     *
-     * @param array<int,array<mixed>> $storedPayloads
      * @return array{payloads:array<int,array<mixed>>,stats:array<string,array{count:int,avg:float}>,savedIds:array<int,string>}
      */
-    private function fetchSpotifyPayloads(AlbumSearchCriteria $criteria, string $spotifyQuery, array $storedPayloads): array
+    private function fetchExternalPayloads(AlbumSearchCriteria $criteria, string $externalQuery): array
     {
-        $result = $this->spotifyClient->searchAlbums($spotifyQuery, $criteria->limit);
+        $result = $this->lastFmClient->searchAlbums($externalQuery, $criteria->limit);
-        $searchItems = $result['albums']['items'] ?? [];
+        $searchItems = (array) ($result['albums']['items'] ?? []);
+
         $this->logger->info('Album search results received', [
-            'query' => $spotifyQuery,
+            'query' => $externalQuery,
-            'items' => is_countable($searchItems) ? count($searchItems) : 0,
+            'items' => count($searchItems),
         ]);
 
-        if (!$searchItems) {
+        if ($searchItems === []) {
             return ['payloads' => [], 'stats' => [], 'savedIds' => []];
         }
 
-        $ids = $this->extractSpotifyIds($searchItems);
+        $ids = $this->extractExternalIds($searchItems);
         if ($ids === []) {
             return ['payloads' => [], 'stats' => [], 'savedIds' => []];
         }
 
-        $full = $this->spotifyClient->getAlbums($ids);
+        $full = $this->lastFmClient->getAlbums($ids);
-        $albumsPayload = is_array($full) ? ($full['albums'] ?? []) : [];
+        $albumsPayload = is_array($full) ? ((array) ($full['albums'] ?? [])) : [];
-        if ($albumsPayload === [] && $searchItems !== []) {
+        if ($albumsPayload === []) {
             $albumsPayload = $searchItems;
-            $this->logger->warning('Spotify getAlbums returned empty; falling back to search items', ['count' => count($albumsPayload)]);
         }
 
-        // Resolve genres up-front (either from album payloads or artist fallbacks) so we store richer data.
+        $genresByAlbum = $this->tagResolver->resolveGenresForAlbums($albumsPayload);
-        $genresByAlbum = $this->genreResolver->resolveGenresForAlbums($albumsPayload);
 
-        $upserted = 0;
         foreach ($albumsPayload as $payload) {
-            // Persist each album so the next search can reuse it without another API call.
             $albumId = (string) ($payload['id'] ?? '');
-            $this->albumRepository->upsertFromSpotifyAlbum(
+            $this->albumRepository->upsertFromExternalAlbum(
                 (array) $payload,
                 $albumId !== '' ? ($genresByAlbum[$albumId] ?? []) : []
             );
-            $upserted++;
         }
+
         $this->entityManager->flush();
-        $this->logger->info('Albums upserted to DB', ['upserted' => $upserted]);
 
-        $existing = $this->albumRepository->findBySpotifyIdsKeyed($ids);
+        $existing = $this->albumRepository->findByExternalIdsKeyed($ids);
         $payloads = [];
-        foreach ($ids as $sid) {
+        foreach ($ids as $externalId) {
-            if (isset($existing[$sid])) {
+            if (isset($existing[$externalId])) {
-                $payloads[] = $existing[$sid]->toTemplateArray();
+                $payloads[] = $existing[$externalId]->toTemplateArray();
             }
         }
-
+        $payloads = $this->hydrateExternalImages($payloads);
-        $stats = $this->reviewRepository->getAggregatesForAlbumIds($ids);
 
         return [
             'payloads' => $payloads,
-            'stats' => $stats,
+            'stats' => $this->reviewRepository->getAggregatesForAlbumIds($ids),
             'savedIds' => array_keys($existing),
         ];
     }
 
     /**
-     * Searches user-created albums and attaches review aggregates keyed to each payload.
-     *
      * @return array{payloads:array<int,array<mixed>>,stats:array<string,array{count:int,avg:float}>}
      */
     private function resolveUserAlbums(AlbumSearchCriteria $criteria): array
@@ -241,23 +211,21 @@ class AlbumSearchService
             $criteria->yearTo ?? 0,
             $criteria->limit
         );
+
         if ($userAlbums === []) {
             return ['payloads' => [], 'stats' => []];
         }
 
         $entityIds = array_values(array_map(static fn(Album $album) => (int) $album->getId(), $userAlbums));
         $userStats = $this->reviewRepository->getAggregatesForAlbumEntityIds($entityIds);
-        $payloads = array_map(static fn(Album $album) => $album->toTemplateArray(), $userAlbums);
 
         return [
-            'payloads' => $payloads,
+            'payloads' => array_map(static fn(Album $album) => $album->toTemplateArray(), $userAlbums),
             'stats' => $this->mapUserStatsToLocalIds($userAlbums, $userStats),
         ];
     }
 
     /**
-     * Re-keys entity-based stats to the local IDs that templates actually use.
-     *
      * @param list<Album> $userAlbums
      * @param array<int,array{count:int,avg:float}> $userStats
      * @return array<string,array{count:int,avg:float}>
@@ -269,56 +237,52 @@ class AlbumSearchService
             $entityId = (int) $album->getId();
             $localId = (string) $album->getLocalId();
             if ($localId !== '' && isset($userStats[$entityId])) {
-                // Templates never see entity IDs, so stats must be re-keyed to the user-facing local IDs.
                 $mapped[$localId] = $userStats[$entityId];
             }
         }
+
         return $mapped;
     }
 
     /**
-     * Chooses which payload list to return based on the requested source preference.
-     *
      * @param array<int,array<mixed>> $userPayloads
-     * @param array<int,array<mixed>> $spotifyPayloads
+     * @param array<int,array<mixed>> $externalPayloads
      * @return array<int,array<mixed>>
      */
-    private function composeAlbumList(string $source, array $userPayloads, array $spotifyPayloads, int $limit): array
+    private function composeAlbumList(string $source, array $userPayloads, array $externalPayloads, int $limit): array
     {
         if ($source === 'user') {
             return array_slice($userPayloads, 0, $limit);
         }
-        if ($source === 'spotify') {
+        if ($source === 'external') {
-            return array_slice($spotifyPayloads, 0, $limit);
+            return array_slice($externalPayloads, 0, $limit);
         }
-        return array_slice(array_merge($userPayloads, $spotifyPayloads), 0, $limit);
+
+        return array_slice(array_merge($userPayloads, $externalPayloads), 0, $limit);
     }
 
     /**
-     * Collects Spotify IDs from hydrated album entities while skipping blanks.
-     *
      * @param list<Album> $albums
      * @return list<string>
      */
-    private function collectSpotifyIds(array $albums): array
+    private function collectExternalIds(array $albums): array
     {
         $ids = [];
         foreach ($albums as $album) {
-            $sid = (string) $album->getSpotifyId();
+            $externalId = (string) $album->getExternalId();
-            if ($sid !== '') {
+            if ($externalId !== '') {
-                $ids[] = $sid;
+                $ids[] = $externalId;
             }
         }
+
         return array_values(array_unique($ids));
     }
 
     /**
-     * Pulls distinct Spotify IDs out of the raw search payload to reduce follow-up calls.
-     *
      * @param array<int,mixed> $searchItems
      * @return list<string>
      */
-    private function extractSpotifyIds(array $searchItems): array
+    private function extractExternalIds(array $searchItems): array
     {
         $ids = [];
         foreach ($searchItems as $item) {
@@ -327,12 +291,11 @@ class AlbumSearchService
                 $ids[] = $id;
             }
         }
+
         return array_values(array_unique($ids));
     }
 
     /**
-     * Overwrites stats with the newest aggregates from the update set.
-     *
      * @param array<string,array{count:int,avg:float}> $current
      * @param array<string,array{count:int,avg:float}> $updates
      * @return array<string,array{count:int,avg:float}>
@@ -342,12 +305,11 @@ class AlbumSearchService
         foreach ($updates as $key => $value) {
             $current[$key] = $value;
         }
+
         return $current;
     }
 
     /**
-     * Adds newly saved Spotify IDs while tossing blanks and duplicates.
-     *
      * @param list<string> $current
      * @param list<string> $updates
      * @return list<string>
@@ -359,8 +321,6 @@ class AlbumSearchService
     }
 
     /**
-     * Combines payload lists without duplicates, preferring primary items and honoring the limit.
-     *
      * @param array<int,array<mixed>> $primary
      * @param array<int,array<mixed>> $secondary
      * @return array<int,array<mixed>>
@@ -369,29 +329,32 @@ class AlbumSearchService
     {
         $seen = [];
         $merged = [];
+
         foreach ($primary as $payload) {
-            $merged[] = $payload;
+            $id = (string) ($payload['id'] ?? '');
-            if (isset($payload['id'])) {
+            if ($id !== '') {
-                $seen[$payload['id']] = true;
+                $seen[$id] = true;
             }
+            $merged[] = $payload;
             if (count($merged) >= $limit) {
                 return array_slice($merged, 0, $limit);
             }
         }
+
         foreach ($secondary as $payload) {
-            $id = $payload['id'] ?? null;
+            $id = (string) ($payload['id'] ?? '');
-            if ($id !== null && isset($seen[$id])) {
+            if ($id !== '' && isset($seen[$id])) {
                 continue;
             }
-            // Secondary payloads often duplicate the primary list; skip anything we've already emitted.
             $merged[] = $payload;
-            if ($id !== null) {
+            if ($id !== '') {
                 $seen[$id] = true;
             }
             if (count($merged) >= $limit) {
                 break;
             }
         }
+
         return array_slice($merged, 0, $limit);
     }
 
@@ -401,11 +364,11 @@ class AlbumSearchService
      */
     private function filterPayloadsByGenre(array $payloads, string $genreNeedle): array
     {
-        $genreNeedle = trim($genreNeedle);
+        $needle = trim(mb_strtolower($genreNeedle));
-        if ($genreNeedle === '') {
+        if ($needle === '') {
             return $payloads;
         }
-        $needle = mb_strtolower($genreNeedle);
+
         return array_values(array_filter($payloads, static function (array $payload) use ($needle): bool {
             $genres = $payload['genres'] ?? [];
             if (!is_array($genres)) {
@@ -419,5 +382,84 @@ class AlbumSearchService
             return false;
         }));
     }
+
+    /**
+     * @param array<int,array<mixed>> $payloads
+     * @return array<int,array<mixed>>
+     */
+    private function filterPayloadsByYear(array $payloads, ?int $yearFrom, ?int $yearTo): array
+    {
+        if ($yearFrom === null && $yearTo === null) {
+            return $payloads;
         }
 
+        return array_values(array_filter($payloads, static function (array $payload) use ($yearFrom, $yearTo): bool {
+            $releaseDate = trim((string) ($payload['release_date'] ?? ''));
+            if (!preg_match('/^\d{4}/', $releaseDate, $matches)) {
+                return false;
+            }
+            $year = (int) $matches[0];
+            if ($yearFrom !== null && $year < $yearFrom) {
+                return false;
+            }
+            if ($yearTo !== null && $year > $yearTo) {
+                return false;
+            }
+            return true;
+        }));
+    }
+
+    /**
+     * @param array<int,array<mixed>> $payloads
+     * @return array<int,array<mixed>>
+     */
+    private function hydrateExternalImages(array $payloads): array
+    {
+        $externalIds = [];
+        foreach ($payloads as $payload) {
+            if ((string) ($payload['source'] ?? '') !== 'external') {
+                continue;
+            }
+            $id = trim((string) ($payload['id'] ?? ''));
+            if ($id !== '') {
+                $externalIds[] = $id;
+            }
+        }
+
+        if ($externalIds === []) {
+            return $payloads;
+        }
+
+        $full = $this->lastFmClient->getAlbums(array_values(array_unique($externalIds)));
+        $albums = is_array($full) ? ((array) ($full['albums'] ?? [])) : [];
+        if ($albums === []) {
+            return $payloads;
+        }
+
+        $imagesByAlbum = [];
+        foreach ($albums as $album) {
+            if (!is_array($album)) {
+                continue;
+            }
+            $id = trim((string) ($album['id'] ?? ''));
+            $images = $album['images'] ?? null;
+            if ($id === '' || !is_array($images) || $images === []) {
+                continue;
+            }
+            $imagesByAlbum[$id] = $images;
+        }
+
+        if ($imagesByAlbum === []) {
+            return $payloads;
+        }
+
+        foreach ($payloads as $index => $payload) {
+            $id = trim((string) ($payload['id'] ?? ''));
+            if ($id !== '' && isset($imagesByAlbum[$id])) {
+                $payloads[$index]['images'] = $imagesByAlbum[$id];
+            }
+        }
+
+        return $payloads;
+    }
+}

src/Service/LastFmClient.php

@@ -0,0 +1,443 @@
+<?php
+
+namespace App\Service;
+
+use GuzzleHttp\ClientInterface;
+use App\Repository\SettingRepository;
+use Symfony\Contracts\Cache\CacheInterface;
+use Symfony\Contracts\Cache\ItemInterface;
+
+/**
+ * LastFmClient wraps Last.fm API calls with caching and payload normalization.
+ */
+class LastFmClient
+{
+    private const API_BASE_URL = 'https://ws.audioscrobbler.com/2.0/';
+    private const IMAGE_SIZE_RANK = [
+        'mega' => 5,
+        'extralarge' => 4,
+        'large' => 3,
+        'medium' => 2,
+        'small' => 1,
+    ];
+
+    public function __construct(
+        private readonly ClientInterface $httpClient,
+        private readonly CacheInterface $cache,
+        private readonly ?string $apiKey,
+        private readonly SettingRepository $settings,
+    ) {
+    }
+
+    /**
+     * Search Last.fm albums by query string.
+     *
+     * @return array{albums:array{items:list<array<string,mixed>>}}
+     */
+    public function searchAlbums(string $query, int $limit = 12): array
+    {
+        $apiKey = $this->getApiKey();
+        if ($apiKey === null || trim($query) === '') {
+            return ['albums' => ['items' => []]];
+        }
+
+        try {
+            $payload = $this->sendRequest([
+                'method' => 'album.search',
+                'album' => $query,
+                'limit' => max(1, $limit),
+            ], 600);
+        } catch (\Throwable) {
+            return ['albums' => ['items' => []]];
+        }
+
+        $rawAlbums = $payload['results']['albummatches']['album'] ?? [];
+        $items = [];
+        foreach ($this->normalizeList($rawAlbums) as $album) {
+            $normalized = $this->normalizeSearchAlbum((array) $album);
+            if ($normalized !== null) {
+                $items[] = $normalized;
+            }
+            if (count($items) >= $limit) {
+                break;
+            }
+        }
+
+        return ['albums' => ['items' => $items]];
+    }
+
+    /**
+     * Fetches album metadata plus tracklist from Last.fm.
+     *
+     * @return array<string,mixed>|null
+     */
+    public function getAlbumWithTracks(string $albumId): ?array
+    {
+        return $this->getAlbum($albumId);
+    }
+
+    /**
+     * Fetch a single album by normalized external identifier.
+     *
+     * @return array<string,mixed>|null
+     */
+    public function getAlbum(string $albumId): ?array
+    {
+        $apiKey = $this->getApiKey();
+        if ($apiKey === null) {
+            return null;
+        }
+
+        $lookup = $this->parseAlbumIdentifier($albumId);
+        if ($lookup === null) {
+            return null;
+        }
+
+        $query = ['method' => 'album.getinfo'];
+        if (isset($lookup['mbid'])) {
+            $query['mbid'] = (string) $lookup['mbid'];
+        } else {
+            $artist = trim((string) ($lookup['artist'] ?? ''));
+            $name = trim((string) ($lookup['album'] ?? ''));
+            if ($artist === '' || $name === '') {
+                return null;
+            }
+            $query['artist'] = $artist;
+            $query['album'] = $name;
+        }
+
+        try {
+            $payload = $this->sendRequest($query, 1800);
+        } catch (\Throwable) {
+            return null;
+        }
+
+        $album = $payload['album'] ?? null;
+        if (!is_array($album)) {
+            return null;
+        }
+
+        return $this->normalizeDetailedAlbum($album, $albumId);
+    }
+
+    /**
+     * Fetch multiple albums in sequence.
+     *
+     * @param list<string> $albumIds
+     * @return array{albums:list<array<string,mixed>>}|null
+     */
+    public function getAlbums(array $albumIds): ?array
+    {
+        if ($albumIds === []) {
+            return ['albums' => []];
+        }
+        if ($this->getApiKey() === null) {
+            return null;
+        }
+
+        $albums = [];
+        foreach ($albumIds as $albumId) {
+            $album = $this->getAlbumWithTracks((string) $albumId);
+            if ($album !== null) {
+                $albums[] = $album;
+            }
+        }
+
+        return ['albums' => $albums];
+    }
+
+    /**
+     * @return list<array<string,mixed>>
+     */
+    public function getAlbumTracks(string $albumId): array
+    {
+        $album = $this->getAlbumWithTracks($albumId);
+        if ($album === null) {
+            return [];
+        }
+
+        $items = $album['tracks']['items'] ?? [];
+        return is_array($items) ? array_values($items) : [];
+    }
+
+    /**
+     * Returns true when Last.fm API key is available from DB or environment.
+     */
+    public function isConfigured(): bool
+    {
+        return $this->getApiKey() !== null;
+    }
+
+    /**
+     * @param array<string,mixed> $query
+     * @return array<string,mixed>
+     */
+    private function sendRequest(array $query, int $cacheTtlSeconds = 0): array
+    {
+        $apiKey = $this->getApiKey();
+        if ($apiKey === null) {
+            return [];
+        }
+
+        $query['api_key'] = $apiKey;
+        $query['format'] = 'json';
+        $query['autocorrect'] = 1;
+
+        $request = function () use ($query): array {
+            $response = $this->httpClient->request('GET', self::API_BASE_URL, ['query' => $query]);
+            $decoded = json_decode((string) $response->getBody(), true);
+            return is_array($decoded) ? $decoded : [];
+        };
+
+        if ($cacheTtlSeconds > 0) {
+            $cacheKey = 'lastfm_resp_' . sha1(json_encode($query));
+            return $this->cache->get($cacheKey, function (ItemInterface $item) use ($cacheTtlSeconds, $request) {
+                $item->expiresAfter($cacheTtlSeconds);
+                return $request();
+            });
+        }
+
+        return $request();
+    }
+
+    private function getApiKey(): ?string
+    {
+        $key = trim((string) $this->settings->getValue('LASTFM_API_KEY', $this->apiKey ?? ''));
+        return $key === '' ? null : $key;
+    }
+
+    /**
+     * @param mixed $value
+     * @return list<array<string,mixed>>
+     */
+    private function normalizeList(mixed $value): array
+    {
+        if (is_array($value) && array_is_list($value)) {
+            return array_values(array_filter($value, static fn($row) => is_array($row)));
+        }
+
+        if (is_array($value) && $value !== []) {
+            return [array_filter($value, static fn($row) => true)];
+        }
+
+        return [];
+    }
+
+    /**
+     * @param array<string,mixed> $rawAlbum
+     * @return array<string,mixed>|null
+     */
+    private function normalizeSearchAlbum(array $rawAlbum): ?array
+    {
+        $name = trim((string) ($rawAlbum['name'] ?? ''));
+        $artist = trim((string) ($rawAlbum['artist'] ?? ''));
+        if ($name === '' || $artist === '') {
+            return null;
+        }
+
+        $mbid = trim((string) ($rawAlbum['mbid'] ?? ''));
+        $id = $this->buildAlbumIdentifier($mbid !== '' ? $mbid : null, $artist, $name);
+
+        return [
+            'id' => $id,
+            'name' => $name,
+            'artists' => [['name' => $artist]],
+            'genres' => [],
+            'release_date' => null,
+            'total_tracks' => 0,
+            'images' => $this->normalizeImages($rawAlbum['image'] ?? []),
+            'external_urls' => ['external' => $this->stringOrNull($rawAlbum['url'] ?? null)],
+            'source' => 'external',
+            'tracks' => ['items' => [], 'total' => 0],
+        ];
+    }
+
+    /**
+     * @param array<string,mixed> $rawAlbum
+     * @return array<string,mixed>
+     */
+    private function normalizeDetailedAlbum(array $rawAlbum, ?string $preferredId = null): array
+    {
+        $name = trim((string) ($rawAlbum['name'] ?? ''));
+        $artistField = $rawAlbum['artist'] ?? '';
+        $artist = '';
+        if (is_array($artistField)) {
+            $artist = trim((string) ($artistField['name'] ?? ''));
+        } else {
+            $artist = trim((string) $artistField);
+        }
+
+        $mbid = trim((string) ($rawAlbum['mbid'] ?? ''));
+        $id = $preferredId ?? $this->buildAlbumIdentifier($mbid !== '' ? $mbid : null, $artist, $name);
+
+        $tracks = $this->normalizeTracks($rawAlbum['tracks']['track'] ?? [], $id);
+        $genres = [];
+        foreach ($this->normalizeList($rawAlbum['tags']['tag'] ?? []) as $tag) {
+            $label = $this->normalizeGenreLabel((string) ($tag['name'] ?? ''));
+            if ($label !== '') {
+                $genres = [$label];
+                break;
+            }
+        }
+
+        $releaseDate = $this->normalizePublishedDate((string) ($rawAlbum['wiki']['published'] ?? ''));
+
+        return [
+            'id' => $id,
+            'name' => $name,
+            'artists' => [['name' => $artist]],
+            'genres' => $genres,
+            'release_date' => $releaseDate,
+            'total_tracks' => count($tracks),
+            'images' => $this->normalizeImages($rawAlbum['image'] ?? []),
+            'external_urls' => ['external' => $this->stringOrNull($rawAlbum['url'] ?? null)],
+            'source' => 'external',
+            'tracks' => [
+                'items' => $tracks,
+                'total' => count($tracks),
+            ],
+        ];
+    }
+
+    /**
+     * @param mixed $rawTracks
+     * @return list<array<string,mixed>>
+     */
+    private function normalizeTracks(mixed $rawTracks, string $albumId): array
+    {
+        $tracks = [];
+        $rows = $this->normalizeList($rawTracks);
+        $index = 1;
+
+        foreach ($rows as $row) {
+            $name = trim((string) ($row['name'] ?? ''));
+            if ($name === '') {
+                continue;
+            }
+
+            $rank = (int) ($row['@attr']['rank'] ?? $row['rank'] ?? $index);
+            $seconds = (int) ($row['duration'] ?? 0);
+            $tracks[] = [
+                'id' => sha1($albumId . '|' . $rank . '|' . $name),
+                'disc_number' => 1,
+                'track_number' => max(1, $rank),
+                'name' => $name,
+                'duration_ms' => max(0, $seconds) * 1000,
+                'preview_url' => null,
+            ];
+            $index++;
+        }
+
+        return $tracks;
+    }
+
+    /**
+     * @param mixed $rawImages
+     * @return list<array{url:string}>
+     */
+    private function normalizeImages(mixed $rawImages): array
+    {
+        $images = [];
+        foreach ($this->normalizeList($rawImages) as $image) {
+            $url = trim((string) ($image['#text'] ?? $image['url'] ?? ''));
+            if ($url !== '') {
+                $size = mb_strtolower(trim((string) ($image['size'] ?? '')));
+                $images[] = [
+                    'url' => $url,
+                    'rank' => self::IMAGE_SIZE_RANK[$size] ?? 0,
+                ];
+            }
+        }
+
+        if ($images === []) {
+            return [];
+        }
+
+        usort($images, static fn(array $a, array $b) => $b['rank'] <=> $a['rank']);
+
+        $unique = [];
+        $result = [];
+        foreach ($images as $image) {
+            $url = (string) ($image['url'] ?? '');
+            if ($url === '' || isset($unique[$url])) {
+                continue;
+            }
+            $unique[$url] = true;
+            $result[] = ['url' => $url];
+        }
+
+        return $result;
+    }
+
+    private function normalizePublishedDate(string $published): ?string
+    {
+        $published = trim($published);
+        if ($published === '') {
+            return null;
+        }
+
+        try {
+            return (new \DateTimeImmutable($published))->format('Y-m-d');
+        } catch (\Throwable) {
+            return null;
+        }
+    }
+
+    private function buildAlbumIdentifier(?string $mbid, string $artist, string $album): string
+    {
+        if ($mbid !== null && trim($mbid) !== '') {
+            return 'mbid:' . trim($mbid);
+        }
+
+        $slugSource = mb_strtolower(trim($artist) . '|' . trim($album));
+        $encoded = rtrim(strtr(base64_encode($slugSource), '+/', '-_'), '=');
+        return 'slug:' . $encoded;
+    }
+
+    /**
+     * @return array{mbid:string}|array{artist:string,album:string}|null
+     */
+    private function parseAlbumIdentifier(string $identifier): ?array
+    {
+        if (str_starts_with($identifier, 'mbid:')) {
+            $mbid = trim(substr($identifier, 5));
+            return $mbid === '' ? null : ['mbid' => $mbid];
+        }
+
+        if (str_starts_with($identifier, 'slug:')) {
+            $payload = substr($identifier, 5);
+            $decoded = base64_decode(strtr($payload, '-_', '+/'), true);
+            if ($decoded === false || !str_contains($decoded, '|')) {
+                return null;
+            }
+            [$artist, $album] = explode('|', $decoded, 2);
+            $artist = trim($artist);
+            $album = trim($album);
+            if ($artist === '' || $album === '') {
+                return null;
+            }
+            return ['artist' => $artist, 'album' => $album];
+        }
+
+        return null;
+    }
+
+    private function stringOrNull(mixed $value): ?string
+    {
+        if ($value === null) {
+            return null;
+        }
+        $string = trim((string) $value);
+        return $string === '' ? null : $string;
+    }
+
+    private function normalizeGenreLabel(string $value): string
+    {
+        $value = trim($value);
+        if ($value === '') {
+            return '';
+        }
+
+        return mb_convert_case(mb_strtolower($value), MB_CASE_TITLE, 'UTF-8');
+    }
+}

src/Service/LastFmMetadataRefresher.php

@@ -8,62 +8,60 @@ use Doctrine\ORM\EntityManagerInterface;
 use Psr\Log\LoggerInterface;
 
 /**
- * SpotifyMetadataRefresher bulk-updates stored Spotify albums using batched API calls.
+ * LastFmMetadataRefresher re-syncs locally stored external albums from Last.fm.
  */
-class SpotifyMetadataRefresher
+class LastFmMetadataRefresher
 {
     private const BATCH_SIZE = 20;
 
     public function __construct(
-        private readonly SpotifyClient $spotifyClient,
+        private readonly LastFmClient $lastFmClient,
         private readonly AlbumRepository $albumRepository,
         private readonly AlbumTrackRepository $trackRepository,
         private readonly EntityManagerInterface $entityManager,
         private readonly LoggerInterface $logger,
-        private readonly SpotifyGenreResolver $genreResolver,
+        private readonly LastFmTagResolver $tagResolver,
     ) {
     }
 
     /**
-     * Refreshes all saved Spotify albums and returns the number of payloads that were re-synced.
+     * Refreshes all saved external albums and returns the number of payloads that were re-synced.
      */
-    public function refreshAllSpotifyAlbums(): int
+    public function refreshAllExternalAlbums(): int
     {
-        $spotifyIds = $this->albumRepository->findAllSpotifyIds();
+        $externalIds = $this->albumRepository->findAllExternalIds();
-        if ($spotifyIds === []) {
+        if ($externalIds === []) {
             return 0;
         }
 
         $updatedAlbumCount = 0;
-        foreach (array_chunk($spotifyIds, self::BATCH_SIZE) as $albumIdChunk) {
+        foreach (array_chunk($externalIds, self::BATCH_SIZE) as $albumIdChunk) {
-            $payload = $this->spotifyClient->getAlbums($albumIdChunk);
+            $payload = $this->lastFmClient->getAlbums($albumIdChunk);
             $albums = is_array($payload) ? ((array) ($payload['albums'] ?? [])) : [];
             if ($albums === []) {
-                $this->logger->warning('Spotify getAlbums returned no payloads for batch', ['count' => count($albumIdChunk)]);
+                $this->logger->warning('External getAlbums returned no payloads for batch', ['count' => count($albumIdChunk)]);
                 continue;
             }
 
-            // Share the same genre resolution logic used during search so existing rows gain genre data too.
+            $genresByAlbum = $this->tagResolver->resolveGenresForAlbums($albums);
-            $genresByAlbum = $this->genreResolver->resolveGenresForAlbums($albums);
 
             foreach ($albums as $albumPayload) {
                 try {
                     $albumId = (string) ($albumPayload['id'] ?? '');
-                    $albumEntity = $this->albumRepository->upsertFromSpotifyAlbum(
+                    $albumEntity = $this->albumRepository->upsertFromExternalAlbum(
                         (array) $albumPayload,
                         $albumId !== '' ? ($genresByAlbum[$albumId] ?? []) : []
                     );
                     if ($albumId !== '' && $albumEntity !== null) {
                         $tracks = $this->resolveTrackPayloads($albumId, (array) $albumPayload);
                         if ($tracks !== []) {
-                            // Replace tracks wholesale to simplify diffs (instead of diffing rows).
                             $this->trackRepository->replaceAlbumTracks($albumEntity, $tracks);
                             $albumEntity->setTotalTracks(count($tracks));
                         }
                     }
                     $updatedAlbumCount++;
                 } catch (\Throwable $e) {
-                    $this->logger->error('Failed to upsert Spotify album', [
+                    $this->logger->error('Failed to upsert external album', [
                         'error' => $e->getMessage(),
                         'album' => $albumPayload['id'] ?? null,
                     ]);
@@ -85,7 +83,7 @@ class SpotifyMetadataRefresher
         $total = (int) ($albumPayload['tracks']['total'] ?? 0);
 
         if ($total > count($tracks)) {
-            $fullTrackPayloads = $this->spotifyClient->getAlbumTracks($albumId);
+            $fullTrackPayloads = $this->lastFmClient->getAlbumTracks($albumId);
             if ($fullTrackPayloads !== []) {
                 return $fullTrackPayloads;
             }
@@ -94,5 +92,3 @@ class SpotifyMetadataRefresher
         return $tracks;
     }
 }
-
-

src/Service/LastFmTagResolver.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Service;
+
+/**
+ * LastFmTagResolver enriches album payloads with normalized Last.fm tags.
+ */
+class LastFmTagResolver
+{
+    public function __construct(private readonly LastFmClient $lastFmClient)
+    {
+    }
+
+    /**
+     * @param list<array<string,mixed>> $albums
+     * @return array<string,list<string>> Map of album ID => tag list
+     */
+    public function resolveGenresForAlbums(array $albums): array
+    {
+        $albumTags = [];
+
+        foreach ($albums as $album) {
+            $albumId = trim((string) ($album['id'] ?? ''));
+            if ($albumId === '') {
+                continue;
+            }
+
+            $genres = $this->extractGenres((array) ($album['genres'] ?? []));
+            if ($genres !== []) {
+                $albumTags[$albumId] = $genres;
+                continue;
+            }
+
+            $hydrated = $this->lastFmClient->getAlbumWithTracks($albumId);
+            if ($hydrated === null) {
+                continue;
+            }
+
+            $resolved = $this->extractGenres((array) ($hydrated['genres'] ?? []));
+            if ($resolved !== []) {
+                $albumTags[$albumId] = $resolved;
+            }
+        }
+
+        return $albumTags;
+    }
+
+    /**
+     * @param array<int,mixed> $values
+     * @return list<string>
+     */
+    private function extractGenres(array $values): array
+    {
+        foreach ($values as $value) {
+            $genre = $this->toTitleCase(trim((string) $value));
+            if ($genre !== '') {
+                return [$genre];
+            }
+        }
+
+        return [];
+    }
+
+    private function toTitleCase(string $value): string
+    {
+        if ($value === '') {
+            return '';
+        }
+
+        return mb_convert_case(mb_strtolower($value), MB_CASE_TITLE, 'UTF-8');
+    }
+}

src/Service/SpotifyClient.php

@@ -1,292 +0,0 @@
-<?php
-
-namespace App\Service;
-
-use App\Repository\SettingRepository;
-use Symfony\Contracts\Cache\CacheInterface;
-use Symfony\Contracts\Cache\ItemInterface;
-use Symfony\Contracts\HttpClient\HttpClientInterface;
-
-/**
- * SpotifyClient wraps API calls with caching and error handling.
- */
-class SpotifyClient
-{
-    private HttpClientInterface $httpClient;
-    private CacheInterface $cache;
-    private ?string $clientId;
-    private ?string $clientSecret;
-    private SettingRepository $settings;
-
-    /**
-     * Builds the client with HTTP, cache, and configuration dependencies.
-     */
-    public function __construct(
-        HttpClientInterface $httpClient,
-        CacheInterface $cache,
-        ?string $clientId,
-        ?string $clientSecret,
-        SettingRepository $settings
-    ) {
-        $this->httpClient = $httpClient;
-        $this->cache = $cache;
-        $this->clientId = $clientId;
-        $this->clientSecret = $clientSecret;
-        $this->settings = $settings;
-    }
-
-    /**
-     * Search Spotify albums by query string.
-     *
-     * @param string $query
-     * @param int $limit
-     * @return array<mixed>
-     */
-    public function searchAlbums(string $query, int $limit = 12): array
-    {
-        $accessToken = $this->getAccessToken();
-
-        if ($accessToken === null) {
-            return ['albums' => ['items' => []]];
-        }
-
-        $url = 'https://api.spotify.com/v1/search';
-        $options = [
-            'headers' => [ 'Authorization' => 'Bearer ' . $accessToken ],
-            'query' => [ 'q' => $query, 'type' => 'album', 'limit' => $limit ],
-        ];
-        return $this->sendRequest('GET', $url, $options, 600);
-    }
-
-    /**
-     * Fetch a single album by Spotify ID.
-     *
-     * @return array<mixed>|null
-     */
-    public function getAlbum(string $albumId): ?array
-    {
-        $accessToken = $this->getAccessToken();
-        if ($accessToken === null) {
-            return null;
-        }
-
-        $url = 'https://api.spotify.com/v1/albums/' . urlencode($albumId);
-        $options = [ 'headers' => [ 'Authorization' => 'Bearer ' . $accessToken ] ];
-        try {
-            return $this->sendRequest('GET', $url, $options, 3600);
-        } catch (\Throwable) {
-            return null;
-        }
-    }
-
-    /**
-     * Fetches album metadata plus the full tracklist.
-     *
-     * @return array<mixed>|null
-     */
-    public function getAlbumWithTracks(string $albumId): ?array
-    {
-        $album = $this->getAlbum($albumId);
-        if ($album === null) {
-            return null;
-        }
-        $tracks = $this->getAlbumTracks($albumId);
-        if ($tracks !== []) {
-            $album['tracks'] = $album['tracks'] ?? [];
-            $album['tracks']['items'] = $tracks;
-            $album['tracks']['total'] = count($tracks);
-            $album['tracks']['limit'] = count($tracks);
-            $album['tracks']['offset'] = 0;
-            $album['tracks']['next'] = null;
-            $album['tracks']['previous'] = null;
-        }
-        return $album;
-    }
-
-    /**
-     * Retrieves the complete tracklist for an album.
-     *
-     * @return list<array<string,mixed>>
-     */
-    public function getAlbumTracks(string $albumId): array
-    {
-        $accessToken = $this->getAccessToken();
-        if ($accessToken === null) {
-            return [];
-        }
-
-        $items = [];
-        $limit = 50;
-        $offset = 0;
-        do {
-            // Spotify returns tracks in pages of 50, so iterate until there are no further pages.
-            $page = $this->requestAlbumTracksPage($albumId, $accessToken, $limit, $offset);
-            if ($page === null) {
-                break;
-            }
-            $batch = (array) ($page['items'] ?? []);
-            $items = array_merge($items, $batch);
-            $offset += $limit;
-            $total = isset($page['total']) ? (int) $page['total'] : null;
-            $hasNext = isset($page['next']) && $page['next'] !== null;
-            // Guard against Spotify omitting total by relying on the "next" cursor.
-            // Ensures album requests stop when Spotify has no more pages.
-        } while ($hasNext && ($total === null || $offset < $total));
-
-        return $items;
-    }
-
-    /**
-     * Fetch multiple albums with one call.
-     *
-     * @param list<string> $albumIds
-     * @return array<mixed>|null
-     */
-    public function getAlbums(array $albumIds): ?array
-    {
-        if ($albumIds === []) { return []; }
-        $accessToken = $this->getAccessToken();
-        if ($accessToken === null) { return null; }
-        $url = 'https://api.spotify.com/v1/albums';
-        $options = [
-            'headers' => [ 'Authorization' => 'Bearer ' . $accessToken ],
-            'query' => [ 'ids' => implode(',', $albumIds) ],
-        ];
-        try {
-            return $this->sendRequest('GET', $url, $options, 3600);
-        } catch (\Throwable) {
-            return null;
-        }
-    }
-
-    /**
-     * Fetch multiple artists to gather genre information.
-     *
-     * @param list<string> $artistIds
-     * @return array<mixed>|null
-     */
-    public function getArtists(array $artistIds): ?array
-    {
-        if ($artistIds === []) { return []; }
-        $accessToken = $this->getAccessToken();
-        if ($accessToken === null) { return null; }
-
-        $url = 'https://api.spotify.com/v1/artists';
-        $options = [
-            'headers' => [ 'Authorization' => 'Bearer ' . $accessToken ],
-            'query' => [ 'ids' => implode(',', $artistIds) ],
-        ];
-
-        try {
-            return $this->sendRequest('GET', $url, $options, 1800);
-        } catch (\Throwable) {
-            return null;
-        }
-    }
-
-    /**
-     * Centralized request helper with lightweight caching.
-     *
-     * @param array<string,mixed> $options
-     * @return array<mixed>
-     */
-    private function sendRequest(string $method, string $url, array $options, int $cacheTtlSeconds = 0): array
-    {
-        $request = function () use ($method, $url, $options): array {
-            $response = $this->httpClient->request($method, $url, $options);
-            return $response->toArray(false);
-        };
-
-        $shouldCache = $cacheTtlSeconds > 0 && strtoupper($method) === 'GET';
-        if ($shouldCache) {
-            // Cache fingerprint mixes URL and query only; headers are static (Bearer token).
-            $cacheKey = 'spotify_resp_' . sha1($url . '|' . json_encode($options['query'] ?? []));
-            return $this->cache->get($cacheKey, function (ItemInterface $item) use ($cacheTtlSeconds, $request) {
-                $item->expiresAfter($cacheTtlSeconds);
-                return $request();
-            });
-        }
-
-        return $request();
-    }
-
-    /**
-     * Requests one paginated track list page for an album using the provided OAuth token.
-     *
-     * @return array<mixed>|null
-     */
-    private function requestAlbumTracksPage(string $albumId, string $accessToken, int $limit, int $offset): ?array
-    {
-        $url = sprintf('https://api.spotify.com/v1/albums/%s/tracks', urlencode($albumId));
-        $options = [
-            'headers' => [ 'Authorization' => 'Bearer ' . $accessToken ],
-            'query' => [ 'limit' => $limit, 'offset' => $offset ],
-        ];
-        try {
-            return $this->sendRequest('GET', $url, $options, 1200);
-        } catch (\Throwable) {
-            return null;
-        }
-    }
-
-    /**
-     * Retrieves a cached access token or refreshes credentials when missing.
-     */
-    private function getAccessToken(): ?string
-    {
-        $cacheKey = 'spotify_client_credentials_token';
-        $token = $this->cache->get($cacheKey, function (ItemInterface $item) {
-            // Default to ~1 hour, adjusted after Spotify response
-            $item->expiresAfter(3500);
-
-            $clientId = trim((string) $this->settings->getValue('SPOTIFY_CLIENT_ID', $this->clientId ?? ''));
-            $clientSecret = trim((string) $this->settings->getValue('SPOTIFY_CLIENT_SECRET', $this->clientSecret ?? ''));
-            if ($clientId === '' || $clientSecret === '') {
-                // surface the miss quickly so the cache can be recomputed on the next request
-                $item->expiresAfter(60);
-                return null;
-            }
-
-            $response = $this->httpClient->request('POST', 'https://accounts.spotify.com/api/token', [
-                'headers' => [
-                    'Authorization' => 'Basic ' . base64_encode($clientId . ':' . $clientSecret),
-                    'Content-Type' => 'application/x-www-form-urlencoded',
-                ],
-                'body' => 'grant_type=client_credentials',
-            ]);
-
-            $data = $response->toArray(false);
-
-            if (!isset($data['access_token'])) {
-                $item->expiresAfter(60);
-                return null;
-            }
-
-            if (isset($data['expires_in']) && is_int($data['expires_in'])) {
-                $ttl = max(60, $data['expires_in'] - 60);
-                $item->expiresAfter($ttl);
-            }
-
-            return $data['access_token'];
-        });
-
-        if ($token === null) {
-            // Nuke cached nulls so the next request retries instead of reusing the failure sentinel.
-            $this->cache->delete($cacheKey);
-        }
-
-        return $token;
-    }
-
-    /**
-     * Returns true when credentials are available from DB or environment.
-     */
-    public function isConfigured(): bool
-    {
-        $clientId = trim((string) $this->settings->getValue('SPOTIFY_CLIENT_ID', $this->clientId ?? ''));
-        $clientSecret = trim((string) $this->settings->getValue('SPOTIFY_CLIENT_SECRET', $this->clientSecret ?? ''));
-        return $clientId !== '' && $clientSecret !== '';
-    }
-}
-
-

src/Service/SpotifyGenreResolver.php

@@ -1,111 +0,0 @@
-<?php
-
-namespace App\Service;
-
-/**
- * SpotifyGenreResolver fills in album genres using the Spotify artists endpoint as a fallback.
- */
-class SpotifyGenreResolver
-{
-    public function __construct(private readonly SpotifyClient $spotifyClient)
-    {
-    }
-
-    /**
-     * @param list<array<string,mixed>> $albums
-     * @return array<string,list<string>> Map of album ID => genres list
-     */
-    public function resolveGenresForAlbums(array $albums): array
-    {
-        $albumGenres = [];
-        $artistIds = [];
-
-        foreach ($albums as $album) {
-            $albumId = (string) ($album['id'] ?? '');
-            if ($albumId === '') {
-                continue;
-            }
-
-            $genres = $this->normalizeGenres((array) ($album['genres'] ?? []));
-            if ($genres !== []) {
-                $albumGenres[$albumId] = $genres;
-                continue;
-            }
-
-            // Collect artist IDs so we can fetch their genres in one pass rather than per album.
-            foreach ((array) ($album['artists'] ?? []) as $artist) {
-                $artistId = (string) ($artist['id'] ?? '');
-                if ($artistId !== '') {
-                    $artistIds[$artistId] = true;
-                }
-            }
-        }
-
-        if ($artistIds === []) {
-            return $albumGenres;
-        }
-
-        $artistGenres = $this->fetchArtistsGenres(array_keys($artistIds));
-        if ($artistGenres === []) {
-            return $albumGenres;
-        }
-
-        foreach ($albums as $album) {
-            $albumId = (string) ($album['id'] ?? '');
-            if ($albumId === '' || isset($albumGenres[$albumId])) {
-                continue;
-            }
-
-            $combined = [];
-            foreach ((array) ($album['artists'] ?? []) as $artist) {
-                $artistId = (string) ($artist['id'] ?? '');
-                if ($artistId !== '' && isset($artistGenres[$artistId])) {
-                    // Merge artist genres; duplicates removed later.
-                    $combined = array_merge($combined, $artistGenres[$artistId]);
-                }
-            }
-
-            if ($combined !== []) {
-                $albumGenres[$albumId] = array_values(array_unique($combined));
-            }
-        }
-
-        return $albumGenres;
-    }
-
-    /**
-     * @param list<string> $artistIds
-     * @return array<string,list<string>>
-     */
-    private function fetchArtistsGenres(array $artistIds): array
-    {
-        $genres = [];
-        foreach (array_chunk($artistIds, 50) as $artistIdChunk) {
-            // Spotify allows up to 50 artist IDs per request; batching keeps calls minimal.
-            $payload = $this->spotifyClient->getArtists($artistIdChunk);
-            $artists = is_array($payload) ? ((array) ($payload['artists'] ?? [])) : [];
-            foreach ($artists as $artist) {
-                $id = (string) ($artist['id'] ?? '');
-                if ($id === '') {
-                    continue;
-                }
-                $genres[$id] = $this->normalizeGenres((array) ($artist['genres'] ?? []));
-            }
-        }
-        return $genres;
-    }
-
-    /**
-     * @param array<int,mixed> $values
-     * @return list<string>
-     */
-    private function normalizeGenres(array $values): array
-    {
-        return array_values(array_filter(array_map(
-            static fn($genre) => trim((string) $genre),
-            $values
-        ), static fn($genre) => $genre !== ''));
-    }
-}
-
-

templates/admin/settings.html.twig

@@ -9,12 +9,8 @@
     <div class="card-body">
       {{ form_start(form, {attr: {class: 'vstack gap-3', novalidate: 'novalidate'}}) }}
         <div>
-          {{ form_label(form.SPOTIFY_CLIENT_ID) }}
+          {{ form_label(form.LASTFM_API_KEY) }}
-          {{ form_widget(form.SPOTIFY_CLIENT_ID, {attr: {class: 'form-control'}}) }}
+          {{ form_widget(form.LASTFM_API_KEY, {attr: {class: 'form-control'}}) }}
-        </div>
-        <div>
-          {{ form_label(form.SPOTIFY_CLIENT_SECRET) }}
-          {{ form_widget(form.SPOTIFY_CLIENT_SECRET, {attr: {class: 'form-control'}}) }}
         </div>
         <div class="form-check form-switch">
           {% set registrationToggleAttrs = {class: 'form-check-input'} %}
@@ -92,4 +88,3 @@
   </div>
 {% endblock %}
 
-

templates/admin/site_dashboard.html.twig

@@ -3,10 +3,10 @@
 {% block body %}
   <div class="d-flex flex-wrap align-items-center gap-3 mb-3">
     <h1 class="h4 mb-0">Site dashboard</h1>
-    <form method="post" action="{{ path('admin_dashboard_refresh_spotify') }}" class="ms-auto">
+    <form method="post" action="{{ path('admin_dashboard_refresh_external') }}" class="ms-auto">
-      <input type="hidden" name="_token" value="{{ csrf_token('dashboard_refresh_spotify') }}">
+      <input type="hidden" name="_token" value="{{ csrf_token('dashboard_refresh_external') }}">
       <button class="btn btn-outline-success" type="submit">
-        Refresh Spotify metadata
+        Refresh Last.fm metadata
       </button>
     </form>
   </div>
@@ -68,7 +68,7 @@
           <h2 class="h6 mb-3">Latest albums (50)</h2>
           <div class="vstack gap-2">
             {% for a in recentAlbums %}
-              {% set publicId = a.source == 'user' ? a.localId : a.spotifyId %}
+              {% set publicId = a.source == 'user' ? a.localId : a.externalId %}
               <div class="d-flex justify-content-between align-items-start">
                 <div class="me-2">
                   <div>
@@ -77,7 +77,7 @@
                     {% else %}
                       <span>{{ a.name }}</span>
                     {% endif %}
-                    {% if a.source == 'user' %}<span class="badge text-bg-primary">User</span>{% else %}<span class="badge text-bg-success">Spotify</span>{% endif %}
+                    {% if a.source == 'user' %}<span class="badge text-bg-primary">User</span>{% else %}<span class="badge text-bg-success">Last.fm</span>{% endif %}
                   </div>
                   <div class="text-secondary small">{{ a.artists|join(', ') }}{% if a.releaseDate %} • {{ a.releaseDate }}{% endif %} • {{ a.createdAt|date('Y-m-d H:i') }}</div>
                 </div>
@@ -98,4 +98,3 @@
   </div>
 {% endblock %}
 
-

templates/album/search.html.twig

@@ -28,11 +28,11 @@
   {% endif %}
 
   <h1 class="{{ landing_view ? 'display-6 text-center mb-4' : 'h4 mb-3' }}">Search Albums</h1>
-  {% if source_value != 'user' and spotifyConfigured is defined and not spotifyConfigured %}
+  {% if source_value != 'user' and externalConfigured is defined and not externalConfigured %}
     <div class="alert alert-info">
-      Spotify is not configured yet. Results will only include user-created albums.
+      Last.fm is not configured yet. Results will only include user-created albums.
       {% if is_granted('ROLE_ADMIN') %}
-        <a class="alert-link" href="{{ path('admin_settings') }}">Enter Spotify credentials</a>.
+        <a class="alert-link" href="{{ path('admin_settings') }}">Enter Last.fm API key</a>.
       {% endif %}
     </div>
   {% endif %}
@@ -51,7 +51,7 @@
             <div class="col-sm-3 order-sm-4">
               <select class="form-select" name="source">
                 <option value="all" {{ source_value == 'all' ? 'selected' : '' }}>All sources</option>
-                <option value="spotify" {{ source_value == 'spotify' ? 'selected' : '' }}>Spotify</option>
+                <option value="external" {{ source_value == 'external' ? 'selected' : '' }}>Last.fm</option>
                 <option value="user" {{ source_value == 'user' ? 'selected' : '' }}>User-created</option>
               </select>
             </div>
@@ -86,7 +86,7 @@
         <div class="col-sm-3 order-sm-4">
           <select class="form-select" name="source">
               <option value="all" {{ source_value == 'all' ? 'selected' : '' }}>All sources</option>
-              <option value="spotify" {{ source_value == 'spotify' ? 'selected' : '' }}>Spotify</option>
+              <option value="external" {{ source_value == 'external' ? 'selected' : '' }}>Last.fm</option>
               <option value="user" {{ source_value == 'user' ? 'selected' : '' }}>User-created</option>
           </select>
         </div>
@@ -115,7 +115,7 @@
       {% for album in albums %}
         <div class="col">
           <div class="card h-100">
-            {% set image = (album.images[1] ?? album.images[0] ?? null) %}
+            {% set image = (album.images[0] ?? album.images[1] ?? null) %}
             {% if image %}
               <a href="{{ path('album_show', {id: album.id}) }}">
                 <img class="card-img-top" src="{{ image.url }}" alt="{{ album.name }} cover" />
@@ -133,8 +133,8 @@
               {% set s = stats[album.id] ?? { 'avg': 0, 'count': 0 } %}
               <p class="card-text"><small class="text-secondary">User score: {{ s.avg }}/10 ({{ s.count }})</small></p>
               <div class="mt-auto">
-                {% if album.external_urls.spotify is defined and album.external_urls.spotify %}
+                {% if album.external_urls.external is defined and album.external_urls.external %}
-                  <a class="btn btn-outline-success btn-sm" href="{{ album.external_urls.spotify }}" target="_blank" rel="noopener">Open in Spotify</a>
+                  <a class="btn btn-outline-success btn-sm" href="{{ album.external_urls.external }}" target="_blank" rel="noopener">Open Source</a>
                 {% endif %}
                 <a class="btn btn-success btn-sm" href="{{ path('album_show', {id: album.id}) }}">Reviews</a>
                 {% if app.user and (album.source is not defined or album.source != 'user') %}
@@ -157,5 +157,3 @@
     <p>No albums found.</p>
   {% endif %}
 {% endblock %}
-
-

templates/album/show.html.twig

@@ -4,7 +4,7 @@
   <div class="row g-4 mb-4">
     <div class="col-md-4">
       <div class="card h-100">
-        {% set image = (album.images[1] ?? album.images[0] ?? null) %}
+        {% set image = (album.images[0] ?? album.images[1] ?? null) %}
         {% if image %}
           <img class="card-img-top" src="{{ image.url }}" alt="{{ album.name }} cover" />
         {% endif %}
@@ -28,8 +28,8 @@
             <p class="text-secondary mb-2">Genres: {{ album.genres|join(', ') }}</p>
           {% endif %}
           <p class="mb-2"><strong>User score:</strong> {{ avg }}/10 ({{ count }})</p>
-          {% if album.external_urls.spotify %}
+          {% if album.external_urls.external %}
-            <a class="btn btn-outline-success btn-sm" href="{{ album.external_urls.spotify }}" target="_blank" rel="noopener">Open in Spotify</a>
+            <a class="btn btn-outline-success btn-sm" href="{{ album.external_urls.external }}" target="_blank" rel="noopener">Open Source</a>
           {% endif %}
           {% if album.source is defined and album.source == 'user' %}
             <span class="badge text-bg-primary ms-2">User album</span>
@@ -153,5 +153,3 @@
     </div>
   </div>
 {% endblock %}
-
-

templates/review/show.html.twig

@@ -20,7 +20,7 @@
   </div>
   <p class="text-secondary">
     {{ review.album.name }} — {{ review.album.artists|join(', ') }}
-    <a class="ms-1" href="{{ path('album_show', {id: review.album.spotifyId ?? review.album.localId}) }}">View album</a>
+    <a class="ms-1" href="{{ path('album_show', {id: review.album.externalId ?? review.album.localId}) }}">View album</a>
   </p>
   <article class="mb-3">
     <p>{{ review.content|nl2br }}</p>