CRUD Albums + Spotify API requests into DB.

migrations/Version20251114113000.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20251114113000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Normalize reviews: add album_id FK, backfill from albums.spotify_id';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // Add nullable album_id first
+        $this->addSql('ALTER TABLE reviews ADD album_id INT DEFAULT NULL');
+        $this->addSql('ALTER TABLE reviews ADD CONSTRAINT FK_6970EF78E0C31AF9 FOREIGN KEY (album_id) REFERENCES albums (id) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('CREATE INDEX IDX_6970EF78E0C31AF9 ON reviews (album_id)');
+
+        // Backfill using existing spotify_album_id if both columns exist
+        // Some environments may not have the legacy column; guard with DO blocks
+        $this->addSql(<<<'SQL'
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1
+    FROM information_schema.columns
+    WHERE table_name='reviews' AND column_name='spotify_album_id'
+  ) THEN
+    UPDATE reviews r
+    SET album_id = a.id
+    FROM albums a
+    WHERE a.spotify_id = r.spotify_album_id
+      AND r.album_id IS NULL;
+  END IF;
+END $$;
+SQL);
+
+        // Optionally set NOT NULL if all rows are linked
+        $this->addSql(<<<'SQL'
+DO $$
+BEGIN
+  IF NOT EXISTS (SELECT 1 FROM reviews WHERE album_id IS NULL) THEN
+    ALTER TABLE reviews ALTER COLUMN album_id SET NOT NULL;
+  END IF;
+END $$;
+SQL);
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE reviews DROP CONSTRAINT FK_6970EF78E0C31AF9');
+        $this->addSql('DROP INDEX IF EXISTS IDX_6970EF78E0C31AF9');
+        $this->addSql('ALTER TABLE reviews DROP COLUMN album_id');
+    }
+}
+
+