(fix): added empty get header redirect

Models/FacilityDataSet.php

@@ -2,10 +2,12 @@
 require_once ('Database.php');
 require_once ('FacilityData.php');
 
-class FacilityDataSet {
+class FacilityDataSet
+{
     protected $_dbHandle, $_dbInstance;
 
-    public function __construct() {
+    public function __construct()
+    {
         $this->_dbInstance = Database::getInstance();
         $this->_dbHandle = $this->_dbInstance->getDbConnection();
     }
@@ -14,7 +16,8 @@ class FacilityDataSet {
      * @param $data
      * @return bool
      */
-    public function addFacility($data) : bool {
+    public function addFacility($data): bool
+    {
         $sqlQuery = "
             INSERT INTO ecoFacilities 
                 (title, 
@@ -45,7 +48,8 @@ class FacilityDataSet {
         return !($stmt->rowCount());
     }
 
-    public function deleteFacility($id) : bool {
+    public function deleteFacility($id): bool
+    {
         $sqlQuery = "DELETE FROM ecoFacilities WHERE id = ?";
         $stmt = $this->_dbHandle->prepare($sqlQuery);
         $stmt->setFetchMode(\PDO::FETCH_ASSOC);
@@ -53,93 +57,99 @@ class FacilityDataSet {
         $stmt->execute();
         return !($stmt->rowCount() == 0);
     }
-    /**
-     * @param $filterArray
-     * @return array
-     * Function to allow fetching of facility data. Data objects are created and held in an array
-     * Count of rows for pagination returned alongside data objects.
-     */
-    public function fetchAll($filterArray): array
-    {
-        /**
-         * COUNT(DISTINCT ecoFacilities.id) required due to multiple status comments possible.
-         */
-        $sqlCount = "SELECT COUNT(DISTINCT ecoFacilities.id) AS total FROM ecoFacilities";
 
-        /**
+
-         * DISTINCT used again for prior reasoning, although data is handled properly regardless later.
+    public function fetchAll($filterArray, $sortArray): array
-         * GROUP_CONCAT is used to handle multiple status comments under one facility. Without this, DISTINCT
+    {
-         * drops the additional comment.
+        // Define columns for filtering and sorting
-         */
+        $filterColumns = [
-        $sqlData = "SELECT DISTINCT ecoFacilities.id, 
+            0 => 'ecoFacilityStatus.statusComment',
-                        title, 
+            1 => 'ecoFacilities.title',
+            2 => 'ecoCategories.name',
+            3 => 'ecoFacilities.description',
+            4 => 'ecoFacilities.streetName',
+            5 => 'ecoFacilities.county',
+            6 => 'ecoFacilities.town',
+            7 => 'ecoFacilities.postcode',
+            8 => 'ecoUser.username'
+        ];
+
+        $sortColumns = [
+            0 => 'ecoFacilityStatus.statusComment',
+            1 => 'ecoFacilities.title',
+            2 => 'ecoCategories.name',
+            3 => 'ecoFacilities.description',
+            4 => 'ecoFacilities.streetName',
+            5 => 'ecoFacilities.county',
+            6 => 'ecoFacilities.town',
+            7 => 'ecoFacilities.postcode',
+            8 => 'ecoUser.username'
+        ];
+
+        // Validate and select the filter column
+        $selectedFilterColumn = $filterColumns[$filterArray['category']] ?? 'ecoFacilities.title';
+        // Validate and select the sort column
+        $selectedSortColumn = $sortColumns[$sortArray['sort']] ?? 'ecoFacilities.title';
+        // Validate sort direction
+        $direction = strtolower($sortArray['dir']) === 'desc' ? 'DESC' : 'ASC';
+        // Base query for filtering and sorting
+        $baseQuery = "
+        FROM ecoFacilities
+        LEFT JOIN ecoCategories ON ecoCategories.id = ecoFacilities.category
+        LEFT JOIN ecoUser ON ecoUser.id = ecoFacilities.contributor
+        LEFT JOIN ecoFacilityStatus ON ecoFacilityStatus.facilityid = ecoFacilities.id
+        WHERE {$selectedFilterColumn} LIKE :term
+    ";
+
+
+        // Query to count total results
+        $countQuery = "SELECT COUNT(DISTINCT ecoFacilities.id) AS total {$baseQuery}";
+
+        // Query to fetch filtered and sorted results
+        $dataQuery = "
+        SELECT DISTINCT ecoFacilities.id, 
+                        ecoFacilities.title, 
                         GROUP_CONCAT(ecoFacilityStatus.statusComment, ', ') AS status, 
                         ecoCategories.name AS category, 
-                        description, 
+                        ecoFacilities.description, 
-                        houseNumber, 
+                        ecoFacilities.houseNumber, 
-                        streetName, 
+                        ecoFacilities.streetName, 
-                        county, 
+                        ecoFacilities.county, 
-                        town, 
+                        ecoFacilities.town, 
-                        postcode, 
+                        ecoFacilities.postcode, 
-                        lng, 
+                        ecoFacilities.lng, 
-                        lat, 
+                        ecoFacilities.lat, 
-                        ecoUser.username AS contributor 
+                        ecoUser.username AS contributor
-                    FROM ecoFacilities";
+        {$baseQuery}
+        GROUP BY ecoFacilities.id, ecoFacilities.title, ecoCategories.name, 
+                 ecoFacilities.description, ecoFacilities.streetName,
+                 ecoFacilities.county, ecoFacilities.town, ecoFacilities.postcode, 
+                 ecoUser.username
+        ORDER BY {$selectedSortColumn} {$direction};
+    ";
+        $filterArray['term'] = '%' . $filterArray['term'] . '%' ?? '%';
+        var_dump($filterArray);
+        // Prepare and execute the count query
+        $countStmt = $this->_dbHandle->prepare($countQuery);
+        $countStmt->bindValue(':term', $filterArray['term'], PDO::PARAM_STR);
+        $countStmt->execute();
+        $totalResults = (int)$countStmt->fetchColumn();
 
-        /**
+        // Prepare and execute the data query
-         * ? Parameters used here over named parameters so logic can be modular, more
+        $dataStmt = $this->_dbHandle->prepare($dataQuery);
-         * columns can be added in the future
+        $dataStmt->bindValue(':term', $filterArray['term'], PDO::PARAM_STR);
-         */
+        $dataStmt->execute();
-        $sqlWhere = "
-                    LEFT JOIN ecoCategories ON ecoCategories.id = ecoFacilities.category
-                    LEFT JOIN ecoUser ON ecoUser.id = ecoFacilities.contributor
-                    LEFT JOIN ecoFacilityStatus ON ecoFacilityStatus.facilityid = ecoFacilities.id
-                    WHERE (ecoFacilityStatus.statusComment LIKE ? OR ? IS NULL)
-                      AND ecoFacilities.title LIKE ?
-                      AND ecoCategories.name LIKE ?
-                      AND ecoFacilities.description LIKE ?
-                      AND ecoFacilities.streetName LIKE ?
-                      AND ecoFacilities.county LIKE ?
-                      AND ecoFacilities.town LIKE ?
-                      AND ecoFacilities.postcode LIKE ?
-                      AND ecoUser.username LIKE ?
-                    ";
 
-        /**
+        // Fetch results into FacilityData objects
-         * GROUP BY required to ensure status comments are displayed under the same ID
-         * Named parameters used here for prior reasoning, columns can be added above without
-         * effecting the bindIndex.
-         */
-        $sqlLimits = "
-                    GROUP BY ecoFacilities.id
-                    LIMIT :limit OFFSET :offset;";
-        $sqlLimits = "
-                    GROUP BY ecoFacilities.id
-                    ;";
-
-        // Concatenate query snippets for data and row count
-        $dataQuery = $sqlData . $sqlWhere . $sqlLimits;
-        $countQuery = $sqlCount . $sqlWhere . ";";
-
-        // Prepare, bind and execute data query
-        $stmt = $this->populateFields($dataQuery, $filterArray);
-        $stmt->execute();
-
-        // Create data objects
         $dataSet = [];
-        while ($row = $stmt->fetch()) {
+        while ($row = $dataStmt->fetch()) {
             $dataSet[] = new FacilityData($row);
         }
 
-        // Prepare, bind then execute count query
-        $stmt = $this->populateFields($countQuery, $filterArray);
-        $stmt->execute();
-        $totalCount = $stmt->fetch()['total'];
-
         return [
             'dataset' => $dataSet,
-            'count' => $totalCount
+            'count' => $totalResults
-            ];
+        ];
     }
 
     /**
@@ -149,60 +159,57 @@ class FacilityDataSet {
      * Function for fetchAll() to de-dupe code. Performs binding on PDO statements to facilitate
      * filtering of facilities. Returns a bound PDO statement.
      */
+//    private function populateFields($sqlQuery, $filterArray, $sortBy, $direction)
+//    {
+//        $stmt = $this->_dbHandle->prepare($sqlQuery);
+//        $stmt->setFetchMode(\PDO::FETCH_ASSOC);
+//
+//        // Initialize index for binding
+//        $bindIndex = 1;
+//
+//        // Bind statusComment filter, required due to comments not being so.
+//        $statusComment = !empty($filterArray[0]) ? "%" . $filterArray[0] . "%" : null;
+//        $stmt->bindValue($bindIndex++, $statusComment ?? "%", \PDO::PARAM_STR); // First ?
+//        $stmt->bindValue($bindIndex++, $statusComment, $statusComment === null ? \PDO::PARAM_NULL : \PDO::PARAM_STR); // Second ?
+//
+//        // Bind other filters
+//        for ($i = 1; $i <= 8; $i++) { // Assuming 8 other filters
+//            $value = !empty($filterArray[$i]) ? "%" . $filterArray[$i] . "%" : "%";
+//            $stmt->bindValue($bindIndex++, $value, \PDO::PARAM_STR);
+//        }
+//        return $stmt;
+//    }
+
+    // So i worked on trying to get this to work for 30 minutes and it turns out you
+    // can never bind column name values to placeholders, and must use column orders
+    // as integers..... what
+//        if(isset($sortBy) && isset($direction)) {
+//            $stmt->bindValue(':sortBy', $sortBy, \PDO::PARAM_STR);
+//            $stmt->bindValue(':direction', $direction, \PDO::PARAM_STR);
+//        }
     private function populateFields($sqlQuery, $filterArray)
     {
         $stmt = $this->_dbHandle->prepare($sqlQuery);
-        // Ensures only one value is returned per column name
         $stmt->setFetchMode(\PDO::FETCH_ASSOC);
 
-        // Initialize index for binding
         $bindIndex = 1;
 
-        // Bind statusComment filter, required due to comments not being so.
+        // Bind statusComment (two placeholders required)
-        $statusComment = !empty($filterArray[0]) ? "%" . $filterArray[0] . "%" : null;
+        $statusComment = $filterArray[0] ?? '%';
-        $stmt->bindValue($bindIndex++, $statusComment ?? "%", \PDO::PARAM_STR); // First ?
+        $stmt->bindValue($bindIndex++, $statusComment, \PDO::PARAM_STR);
-        $stmt->bindValue($bindIndex++, $statusComment, $statusComment === null ? \PDO::PARAM_NULL : \PDO::PARAM_STR); // Second ?
+        $stmt->bindValue($bindIndex++, $statusComment, \PDO::PARAM_STR);
 
         // Bind other filters
-        for ($i = 1; $i <= 8; $i++) { // Assuming 8 other filters
+        for ($i = 1; $i < count($filterArray); $i++) {
-            $value = !empty($filterArray[$i]) ? "%" . $filterArray[$i] . "%" : "%";
+            $value = $filterArray[$i] ?? '%';
+            print_r($i . ":" . $value . "||\n");
             $stmt->bindValue($bindIndex++, $value, \PDO::PARAM_STR);
         }
+
+        // Debugging
+        //$stmt->debugDumpParams();
         return $stmt;
     }
 
-    public function setFilterUri($term, $category)
-    {
-        $uri = $_SERVER['REQUEST_URI'];
-        $uriComp = parse_url($uri);
-        $params = [];
-
-        // Parse existing query parameters
-        if (isset($uriComp['query'])) {
-            parse_str($uriComp['query'], $params);
-        } else {
-            $params = array();
-        }
-        // Avoid unnecessary redirection if the filter is already correct
-        if ((isset($params['category']) && $params['category'] === $category) && (isset($params['term']) && $params['term'] === $term)) {
-            exit; // Do nothing if filter already applied
-        }
-
-        // Update the 'page' parameter
-        $params['category'] = $category;
-        $params['term'] = $term;
-
-        // Rebuild the query string
-        $newUri = http_build_query($params);
-        var_dump($newUri);
-
-        // Redirect to the updated URI
-        // Use the current path or root
-        return
-            [
-                'newUri' => $newUri,
-                'path' => $uriComp['path'] ?? '/'
-            ];    }
-
 }
 

Views/template/createModal.phtml

@@ -0,0 +1,32 @@
+<button type="button" class="col btn bg-primary btn-outline-primary text-light" data-bs-toggle="modal" data-bs-target="#createModal">
+    <span class="bi bi-pen-fill"></span>
+</button>
+<div class="modal fade" id="createModal" tabindex="-1" aria-labelledby="updateModalLabel" aria-hidden="true">
+    <div class="modal-dialog" role="document">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title" id="updateModalLabel">Add Facility</h5>
+                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+            </div>
+            <div class="modal-body">
+                <form method="post" action="<?php echo htmlspecialchars($_SERVER['PHP_SELF']); ?>">
+                    <form class="form-inline" method="post" action="<?php echo $_SERVER['PHP_SELF']; ?> ">
+                        <input name="titlCreate" class="form-control rounded mb-2" placeholder="Title">
+                        <input name="cateCreate" class="form-control rounded mb-2" placeholder="Category">
+                        <input name="descCreate" class="form-control rounded mb-2" placeholder="Description">
+                        <input name="statCreate" class="form-control rounded mb-2" placeholder="Status">
+                        <input name="strtCreate" class="form-control rounded mb-2" placeholder="Street Name">
+                        <input name="cntyCreate" class="form-control rounded mb-2" placeholder="County">
+                        <input name="townCreate" class="form-control rounded mb-2" placeholder="Town">
+                        <input name="postCreate" class="form-control rounded mb-2" placeholder="Postcode">
+                        <input name="contCreate" class="form-control rounded mb-2" placeholder="Contributor">
+                    </form>
+                    <button type="submit" class="btn bg-primary btn-outline-primary text-light" name="updateButton">Add</button>
+                </form>
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-warning" data-bs-dismiss="modal">Close</button>
+            </div>
+        </div>
+    </div>
+</div>

Views/template/header.phtml

@@ -7,8 +7,6 @@
     <meta name="description" content="">
     <meta name="author" content="">
     <link rel="icon" type="image/x-icon" href="/images/ecoBuddy_x32.png"
-
-
     <!-- Bootstrap core CSS -->
     <link href="/css/bootstrap.css" rel="stylesheet">
     <!-- Bootstrap theme -->
@@ -35,32 +33,54 @@
                     <a class="nav-link" href="#">Link</a>
                 </li>
             </ul>
-            <form class="row m-0 me-2 align-content-center align-content-center align-items-center" role="search" action="<?php echo $_SERVER['PHP_SELF']; ?>" method="POST">
+            <form class="row m-0 me-2 align-content-center align-content-center align-items-center" role="search" action="" method="POST">
                 <div class="col">
                     <div class="form-floating input-group">
-                        <select name="filter" class="form-select border-3 border-success-subtle" id="filter">
+                        <select name="sort" class="form-select border-3 border-success-subtle" id="sort">
-                            <option selected></option>
+                            <option value="1" <?php if(isset($_GET['sort']) && $_GET['sort'] == '1') echo 'selected'; ?>>Title</option>
-                            <option value="1">Title</option>
+                            <option value="2" <?php if(isset($_GET['sort']) && $_GET['sort'] == '2') echo 'selected'; ?>>Category</option>
-                            <option value="2">Category</option>
+                            <option value="0" <?php if(isset($_GET['sort']) && $_GET['sort'] == '0') echo 'selected'; ?>>Status</option>
-                            <option value="0">Status</option>
+                            <option value="3" <?php if(isset($_GET['sort']) && $_GET['sort'] == '3') echo 'selected'; ?>>Description</option>
-                            <option value="3">Description</option>
+                            <option value="4" <?php if(isset($_GET['sort']) && $_GET['sort'] == '4') echo 'selected'; ?>>Street Name</option>
-                            <option value="4">Street Name</option>
+                            <option value="5" <?php if(isset($_GET['sort']) && $_GET['sort'] == '5') echo 'selected'; ?>>County</option>
-                            <option value="5">County</option>
+                            <option value="6" <?php if(isset($_GET['sort']) && $_GET['sort'] == '6') echo 'selected'; ?>>Town</option>
-                            <option value="6">Town</option>
+                            <option value="7" <?php if(isset($_GET['sort']) && $_GET['sort'] == '7') echo 'selected'; ?>>Postcode</option>
-                            <option value="7">Postcode</option>
+                            <option value="8" <?php if(isset($_GET['sort']) && $_GET['sort'] == '8') echo 'selected'; ?>>Contributor</option>
-                            <option value="8">Contributor</option>
                         </select>
-                        <span class="input-group-text bi bi-filter-circle bg-success-subtle border-0 rounded-end" id="filter"></span>
+                        <span class="form-floating input-group">
-                        <label for="filter">Column Filter</label>
+                            <select class="form-select border-3 border-start-0 rounded-end border-success-subtle" name="dir" id="dir">
+                                <option value="asc" <?php if($_GET['dir'] == 'asc') echo 'selected'; ?>>Asc</option>
+                                <option value="desc" <?php if($_GET['dir'] == 'desc') echo 'selected'; ?>>Desc</option>
+                            </select>
+                            <label for="dir">Order</label>
+                        </span>
+                        <label for="sort">Sort By</label>
                     </div>
                 </div>
                 <div class="col">
                     <div class="form-floating input-group">
-                        <input class="form-control border-3 border-success-subtle" id="search" type="search" name="applyFilters" aria-label="Search">
+                        <select name="filterCat" class="form-select border-3 border-success-subtle" id="filterCat">
+                            <option value="1" <?php if(isset($_GET['category']) && $_GET['category'] == '1') echo 'selected'; ?>>Title</option>
+                            <option value="2" <?php if(isset($_GET['category']) && $_GET['category'] == '2') echo 'selected'; ?>>Category</option>
+                            <option value="0" <?php if(isset($_GET['category']) && $_GET['category'] == '0') echo 'selected'; ?>>Status</option>
+                            <option value="3" <?php if(isset($_GET['category']) && $_GET['category'] == '3') echo 'selected'; ?>>Description</option>
+                            <option value="4" <?php if(isset($_GET['category']) && $_GET['category'] == '4') echo 'selected'; ?>>Street Name</option>
+                            <option value="5" <?php if(isset($_GET['category']) && $_GET['category'] == '5') echo 'selected'; ?>>County</option>
+                            <option value="6" <?php if(isset($_GET['category']) && $_GET['category'] == '6') echo 'selected'; ?>>Town</option>
+                            <option value="7" <?php if(isset($_GET['category']) && $_GET['category'] == '7') echo 'selected'; ?>>Postcode</option>
+                            <option value="8" <?php if(isset($_GET['category']) && $_GET['category'] == '8') echo 'selected'; ?>>Contributor</option>
+                        </select>
+                        <span class="input-group-text bi bi-filter-circle bg-success-subtle border-0 rounded-end" id="filterCat"></span>
+                        <label for="filterCat">Column Filter</label>
+                    </div>
+                </div>
+                <div class="col">
+                    <div class="form-floating input-group">
+                        <label for="search"></label>
+                        <input placeholder="<?php if(isset($_GET['filter'])) echo $_GET['filter']; ?>" class="form-control border-3 border-success-subtle" id="search" type="search" name="filter" aria-label="Search">
                         <span class="input-group-text bg-success-subtle border-0 rounded-end" id="search">
                             <button class="btn bg-light bg-success-subtle" type="submit"><span class="bi bi-search"></span></button>
                         </span>
-                        <label for="search">Search</label>
                     </div>
                 </div>
             </form>

Views/template/pagination.phtml

@@ -2,17 +2,26 @@
     <div class="row mb-2">
         <!-- Form for Pagination -->
         <div id="paginationButtons" class="col-auto m-auto btn-group">
+
+            <?php
+            $params = $_GET;
+            unset($params['page']); // Remove the page parameter to avoid duping
+            function buildUrl($page, $params): string
+            {
+                $params['page'] = $page;
+                return '?' . http_build_query($params);
+            }
+            ?>
             <!-- Start Button -->
-            <a class="btn btn-outline-primary" href="?page=0" <?= $view->pageNumber <= 0 ? 'disabled' : '' ?>><i class="bi bi-chevron-double-left"></i> Start</a>
+            <a class="btn btn-outline-primary" href="<?= buildUrl(0, $params) ?>0" <?= $view->pageNumber <= 0 ? 'disabled' : '' ?>><i class="bi bi-chevron-double-left"></i> Start</a>
             <!-- Back Button -->
-            <a class="btn btn-outline-primary" href="?page=<?=max($view->pageNumber - 1, 0)?> " <?= $view->pageNumber <= 0 ? 'disabled' : '' ?>><i class="bi bi-chevron-left"></i> Back</a>
+            <a class="btn btn-outline-primary" href="<?= buildUrl(max($view->pageNumber - 1, 0), $params)?> " <?= $view->pageNumber <= 0 ? 'disabled' : '' ?>><i class="bi bi-chevron-left"></i> Back</a>
             <!-- Dynamic Page Buttons -->
             <?php
             $totalPages = $view->paginator->getTotalPages();
-            var_dump($totalPages);
             for ($i = $view->pageNumber - 2; $i <= $view->pageNumber + 2; $i++) {
                 if ($i >= 0 && $i < $totalPages): ?>
-                    <a href="?page=<?= $i ?>"
+                    <a href="<?= buildUrl($i, $params) ?>"
                             class="btn <?= $i === $view->pageNumber ? 'btn-dark' : 'btn-outline-primary' ?>"
                         <?= $i === $view->pageNumber ? 'disabled' : '' ?>>
                         <?= $i + 1 ?>
@@ -20,9 +29,9 @@
                 <?php endif;
             } ?>
             <!-- Forward Button -->
-            <a class="btn btn-outline-primary" href="?page=<?=min($view->pageNumber + 1, $totalPages)?> " <?= $view->pageNumber >= $totalPages - 1 ? 'disabled' : '' ?>>Forward <i class="bi bi-chevron-right"></i></a>
+            <a class="btn btn-outline-primary" href="<?=buildUrl(min($view->pageNumber + 1, $totalPages), $params)?>" <?= $view->pageNumber >= $totalPages - 1 ? 'disabled' : '' ?>>Forward <i class="bi bi-chevron-right"></i></a>
             <!-- End Button -->
-            <a class="btn btn-outline-primary" href="?page=<?= $totalPages - 1 ?>"<?= $view->pageNumber >= $totalPages - 1 ? 'disabled' : '' ?>>End <i class="bi bi-chevron-double-right"></i></a>
+            <a class="btn btn-outline-primary" href="<?= buildUrl($totalPages - 1, $params) ?>"<?= $view->pageNumber >= $totalPages - 1 ? 'disabled' : '' ?>>End <i class="bi bi-chevron-double-right"></i></a>
         </div>
     </div>
 </div>

index.php

@@ -6,6 +6,7 @@ require_once("logincontroller.php");
 $view = new stdClass();
 $view->pageTitle = 'Home';
 
+
 //if (isset($_POST['applyAdvFilters'])) {
 //    array_push($filterArray, $_POST['titlFilter'], $_POST['cateFilter'],
 //        $description = $_POST['descFilter'], $status = $_POST['statFilter'],

paginationcontroller.php

@@ -1,58 +1,53 @@
 <?php
 require_once('Models/FacilityDataSet.php');
 require_once("Models/Paginator.php");
+// If page loads empty, set initial headers
+//if(empty($_GET)) {
+//    header("Location: ?sort=1&dir=asc&category=1&term=&page=0");
+//    exit;
+//}
 
-if(!isset($_GET['page'])) {
+$filters = [
-    header("location: ?page=0");
+    'category' => $_GET['category'] ?? '1', // Default category
-}
+    'term' => $_GET['term'] ?? '', // Default term
-
+    'sort' => $_GET['sort'] ?? '1', // Default sort
-$filterArray = [
+    'dir' => $_GET['dir'] ?? 'asc', // Default direction
-    0 => "",
+    'page' => $_GET['page'] ?? 0 // Default to first page
-    1 => "",
-    2 => "",
-    3 => "",
-    4 => "",
-    5 => "",
-    6 => "",
-    7 => "",
-    8 => ""
 ];
 
-$rowLimit = 5; //$_POST['rowCount'];
+// If no query parameters exist (initial page load), redirect to set default ones
-
+if (empty($_GET)) {
-$facilityDataSet = new FacilityDataSet();
+    redirectWithFilters($filters);
-
-if (isset($_POST['applyFilters']) && isset($_POST['filter'])) {
-    var_dump($_POST);
-    $applyFilters = filter_input(INPUT_POST, 'applyFilters', FILTER_SANITIZE_STRING);
-    $filterKey = filter_input(INPUT_POST, 'filter', FILTER_SANITIZE_STRING);
-    $filterArray[$filterKey] = $applyFilters;
-    // Set the filter and generate the new URI
-    $filterSet = $facilityDataSet->setFilterUri($applyFilters, array_search($applyFilters, $filterArray));
-
-    // Parse the existing query string
-    parse_str($filterSet["newUri"], $queryParams);
-
-    // Add or overwrite the 'page' parameter
-    $queryParams['page'] = filter_input(INPUT_GET, 'page', FILTER_VALIDATE_INT, [
-        'options' => ['default' => 0, 'min_range' => 0] // Default to 0 for the first page
-    ]);
-
-    // Build the updated query string
-    $newQueryString = http_build_query($queryParams);
-
-    // Redirect with the updated URI
-    header("Location: {$filterSet["path"]}?{$newQueryString}");
-    exit;
 }
 
+$rowLimit = 5;
+$facilityDataSet = new FacilityDataSet();
 
-$filterArray[$_GET['category'] ?? null] = $_GET['term'] ?? null;
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    // Check if filters/sorting changed
+    $filtersChanged = (
+        $filters['category'] !== ($_POST['filterCat'] ?? $filters['category']) ||
+        $filters['term'] !== ($_POST['filter'] ?? $filters['term']) ||
+        $filters['sort'] !== ($_POST['sort'] ?? $filters['sort']) ||
+        $filters['dir'] !== ($_POST['dir'] ?? $filters['dir'])
+    );
+
+    $filters['category'] = filter_input(INPUT_POST, 'filterCat', FILTER_SANITIZE_FULL_SPECIAL_CHARS) ?? $filters['category'];
+    $filters['term'] = filter_input(INPUT_POST, 'filter', FILTER_SANITIZE_FULL_SPECIAL_CHARS) ?? $filters['term'];
+    $filters['sort'] = filter_input(INPUT_POST, 'sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS) ?? $filters['sort'];
+    $filters['dir'] = filter_input(INPUT_POST, 'dir', FILTER_SANITIZE_FULL_SPECIAL_CHARS) ?? $filters['dir'];
+
+    // Reset page if filters changed
+    $filters['page'] = $filtersChanged ? 0 : $_POST['paginationButton'] ?? $filters['page'];
+    redirectWithFilters($filters);
+}
+
+$view->pageData = $facilityDataSet->fetchAll(
+    ['category' => $filters['category'], 'term' => $filters['term']],
+    ['sort' => $filters['sort'], 'dir' => $filters['dir']]
+);
 
-$view->pageData = $facilityDataSet->fetchAll($filterArray);
 $view->paginator = new Paginator($rowLimit, $view->pageData);
-
-// Initialize paginator
 $view->pageNumber = $view->paginator->getPageFromUri();
 $view->pageData = $view->paginator->getPage($view->pageNumber);
 
@@ -60,3 +55,10 @@ $view->pageData = $view->paginator->getPage($view->pageNumber);
 $view->dbMessage = $view->paginator->countPageResults($view->pageNumber) == 0
     ? "No results"
     : $view->paginator->countPageResults($view->pageNumber) . " result(s)";
+
+// Redirect function
+function redirectWithFilters($filters) {
+    $queryString = http_build_query($filters);
+    header("Location: ?" . $queryString);
+    exit;
+}