feat: complete photo gallery implementation with album management and lightbox viewer

- Added photo gallery carousel view (gallery.php) with all member albums
- Implemented album detail view with responsive photo grid and lightbox
- Created album creation/editing form with drag-and-drop photo uploads
- Added backend processors for album CRUD operations and photo management
- Implemented API endpoints for fetching and deleting photos
- Added database migration for photo_albums and photos tables
- Included comprehensive feature documentation with testing checklist
- Updated .htaccess with URL rewrite rules for gallery routes
- Added Gallery link to Members Area menu in header
- Created upload directory structure (/assets/uploads/gallery/)
- Implemented security: CSRF tokens, ownership verification, file validation
- Added transaction safety with rollback on errors and cleanup
- Features: Lightbox with keyboard navigation, drag-and-drop uploads, responsive design

src/processors/delete_album.php

@@ -0,0 +1,97 @@
+<?php
+session_start();
+
+if (!isset($_SESSION['user_id'])) {
+    http_response_code(403);
+    exit('Forbidden');
+}
+
+$rootPath = dirname(dirname(dirname(__DIR__)));
+require_once($rootPath . '/connection.php');
+
+$album_id = intval($_GET['id'] ?? 0);
+
+if (!$album_id) {
+    http_response_code(400);
+    exit('Album ID is required');
+}
+
+$conn = openDatabaseConnection();
+
+// Verify ownership
+$albumCheck = $conn->prepare("SELECT user_id FROM photo_albums WHERE album_id = ?");
+$albumCheck->bind_param("i", $album_id);
+$albumCheck->execute();
+$albumResult = $albumCheck->get_result();
+
+if ($albumResult->num_rows === 0) {
+    $conn->close();
+    http_response_code(404);
+    header('Location: gallery');
+    exit;
+}
+
+$album = $albumResult->fetch_assoc();
+if ($album['user_id'] !== $_SESSION['user_id']) {
+    $conn->close();
+    http_response_code(403);
+    header('Location: gallery');
+    exit;
+}
+$albumCheck->close();
+
+try {
+    // Start transaction
+    $conn->begin_transaction();
+
+    // Get all photos for this album
+    $photoStmt = $conn->prepare("SELECT file_path FROM photos WHERE album_id = ?");
+    $photoStmt->bind_param("i", $album_id);
+    $photoStmt->execute();
+    $photoResult = $photoStmt->get_result();
+
+    // Delete photo files
+    while ($photo = $photoResult->fetch_assoc()) {
+        $photoPath = $_SERVER['DOCUMENT_ROOT'] . $photo['file_path'];
+        if (file_exists($photoPath)) {
+            unlink($photoPath);
+        }
+    }
+    $photoStmt->close();
+
+    // Delete photos from database (cascade should handle this)
+    $deletePhotosStmt = $conn->prepare("DELETE FROM photos WHERE album_id = ?");
+    $deletePhotosStmt->bind_param("i", $album_id);
+    $deletePhotosStmt->execute();
+    $deletePhotosStmt->close();
+
+    // Delete album from database
+    $deleteAlbumStmt = $conn->prepare("DELETE FROM photo_albums WHERE album_id = ?");
+    $deleteAlbumStmt->bind_param("i", $album_id);
+    $deleteAlbumStmt->execute();
+    $deleteAlbumStmt->close();
+
+    // Delete album directory
+    $albumDir = $rootPath . '/assets/uploads/gallery/' . $album_id;
+    if (is_dir($albumDir)) {
+        rmdir($albumDir);
+    }
+
+    // Commit transaction
+    $conn->commit();
+    $conn->close();
+
+    // Redirect to gallery
+    header('Location: gallery');
+    exit;
+
+} catch (Exception $e) {
+    // Rollback on error
+    $conn->rollback();
+    $conn->close();
+
+    http_response_code(400);
+    echo 'Error deleting album: ' . htmlspecialchars($e->getMessage());
+    exit;
+}
+?>