298 lines
11 KiB
PHP
298 lines
11 KiB
PHP
<?php
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ini_set('display_errors', 1);
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error_reporting(E_ALL);
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session_start();
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// Gatekeeper: redirect if not logged in
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if (!isset($_SESSION['is_admin']) || $_SESSION['is_admin'] !== true) {
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header('Location: login.php');
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exit;
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}
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require_once 'db/config.php';
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$pdo = db();
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// --- IMAGE SLICING FUNCTION ---
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function create_puzzle_pieces($source_image_path, $puzzle_id, $pieces_count) {
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if (!function_exists('gd_info')) {
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// GD library not available
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error_log("GD Library is not installed or enabled.");
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return false;
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}
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$image_info = getimagesize($source_image_path);
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$source_width = $image_info[0];
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$source_height = $image_info[1];
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$mime_type = $image_info['mime'];
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switch ($mime_type) {
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case 'image/jpeg':
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$source_image = imagecreatefromjpeg($source_image_path);
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break;
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case 'image/png':
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$source_image = imagecreatefrompng($source_image_path);
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break;
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case 'image/gif':
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$source_image = imagecreatefromgif($source_image_path);
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break;
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default:
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error_log("Unsupported image type: " . $mime_type);
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return false;
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}
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if (!$source_image) {
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error_log("Failed to create image from source.");
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return false;
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}
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// Grid dimensions
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$cols = 0;
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$rows = 0;
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if ($pieces_count == 16) { $cols = 4; $rows = 4; }
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elseif ($pieces_count == 32) { $cols = 8; $rows = 4; }
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elseif ($pieces_count == 64) { $cols = 8; $rows = 8; }
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else {
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error_log("Invalid pieces count: " . $pieces_count);
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return false;
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}
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$piece_width = floor($source_width / $cols);
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$piece_height = floor($source_height / $rows);
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$output_dir = __DIR__ . '/puzzles/' . $puzzle_id . '/' . $pieces_count;
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if (!is_dir($output_dir)) {
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mkdir($output_dir, 0777, true);
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}
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for ($r = 0; $r < $rows; $r++) {
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for ($c = 0; $c < $cols; $c++) {
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$piece = imagecreatetruecolor($piece_width, $piece_height);
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imagecopy(
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$piece,
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$source_image,
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0, 0, // dest x, y
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$c * $piece_width, $r * $piece_height, // source x, y
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$piece_width, $piece_height
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);
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$piece_path = $output_dir . '/piece_' . $r . '_' . $c . '.jpg';
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imagejpeg($piece, $piece_path, 90); // Save as JPG with 90% quality
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imagedestroy($piece);
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}
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}
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imagedestroy($source_image);
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return true;
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}
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// Handle new puzzle upload
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_puzzle'])) {
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$puzzle_name = trim($_POST['puzzle_name'] ?? '');
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$pieces = (int)($_POST['pieces'] ?? 16);
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$is_public = isset($_POST['is_public']) ? 1 : 0;
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$image_file = $_FILES['puzzle_image'] ?? null;
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// Basic validation
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if (!empty($puzzle_name) && $image_file && $image_file['error'] === UPLOAD_ERR_OK) {
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$upload_dir = __DIR__ . '/uploads/';
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if (!is_dir($upload_dir)) {
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mkdir($upload_dir, 0777, true);
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}
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// Sanitize filename and create a unique name
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$original_filename = basename($image_file['name']);
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$image_extension = pathinfo($original_filename, PATHINFO_EXTENSION);
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$safe_filename = 'puzzle_' . uniqid() . '.' . $image_extension;
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$upload_path = $upload_dir . $safe_filename;
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// Move the file
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if (move_uploaded_file($image_file['tmp_name'], $upload_path)) {
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// Insert into database
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$stmt = $pdo->prepare('INSERT INTO puzzles (name, original_image, pieces, is_public, created_at) VALUES (?, ?, ?, ?, NOW())');
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$stmt->execute([$puzzle_name, $safe_filename, $pieces, $is_public]);
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$puzzle_id = $pdo->lastInsertId();
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// Create puzzle pieces
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create_puzzle_pieces($upload_path, $puzzle_id, $pieces);
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header("Location: admin.php?success=1");
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exit;
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}
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}
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// Handle error case
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header("Location: admin.php?error=1");
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exit;
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}
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// Handle puzzle deletion
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['delete_puzzle'])) {
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$puzzle_id_to_delete = $_POST['puzzle_id'];
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// First, get the original image filename to delete it
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$stmt = $pdo->prepare('SELECT original_image FROM puzzles WHERE id = ?');
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$stmt->execute([$puzzle_id_to_delete]);
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$puzzle = $stmt->fetch(PDO::FETCH_ASSOC);
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if ($puzzle) {
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// Delete original image file
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$original_image_path = __DIR__ . '/uploads/' . $puzzle['original_image'];
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if (file_exists($original_image_path)) {
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unlink($original_image_path);
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}
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}
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// Delete from DB
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$stmt = $pdo->prepare('DELETE FROM puzzles WHERE id = ?');
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$stmt->execute([$puzzle_id_to_delete]);
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// Delete puzzle pieces directory
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$puzzle_dir = __DIR__ . '/puzzles/' . $puzzle_id_to_delete;
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if (is_dir($puzzle_dir)) {
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// A simple recursive delete function
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function delete_directory($dir) {
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if (!is_dir($dir)) return;
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$files = array_diff(scandir($dir), array('.','..'));
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foreach ($files as $file) {
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(is_dir("$dir/$file")) ? delete_directory("$dir/$file") : unlink("$dir/$file");
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}
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rmdir($dir);
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}
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delete_directory($puzzle_dir);
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}
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header("Location: admin.php?deleted=1"); // Redirect to avoid re-posting
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exit;
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}
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$puzzles = $pdo->query('SELECT id, name, original_image, pieces, is_public, created_at FROM puzzles ORDER BY created_at DESC')->fetchAll(PDO::FETCH_ASSOC);
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?>
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<!DOCTYPE html>
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<html lang="it">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Pannello di Amministrazione</title>
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
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<style>
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.upload-form {
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background-color: #f8f9fa;
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padding: 2rem;
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border-radius: 0.5rem;
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margin-bottom: 2rem;
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}
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</style>
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</head>
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<body>
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<nav class="navbar navbar-expand-lg navbar-light bg-light">
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<div class="container">
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<a class="navbar-brand" href="#">Admin Puzzle</a>
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<ul class="navbar-nav ms-auto">
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<li class="nav-item">
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<a class="nav-link" href="logout.php">Logout</a>
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</li>
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</ul>
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</div>
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</nav>
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<div class="container mt-5">
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<?php if (isset($_GET['success'])): ?>
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<div class="alert alert-success">Puzzle aggiunto con successo!</div>
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<?php endif; ?>
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<?php if (isset($_GET['deleted'])): ?>
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<div class="alert alert-info">Puzzle eliminato con successo.</div>
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<?php endif; ?>
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<?php if (isset($_GET['error'])): ?>
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<div class="alert alert-danger">Errore durante l'upload. Controlla i dati e riprova.</div>
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<?php endif; ?>
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<!-- Upload Form -->
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<div class="upload-form">
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<h2 class="mb-4">Aggiungi Nuovo Puzzle</h2>
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<form action="admin.php" method="POST" enctype="multipart/form-data">
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<div class="mb-3">
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<label for="puzzle_name" class="form-label">Nome del Puzzle</label>
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<input type="text" class="form-control" id="puzzle_name" name="puzzle_name" required>
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</div>
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<div class="mb-3">
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<label for="puzzle_image" class="form-label">Immagine</label>
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<input type="file" class="form-control" id="puzzle_image" name="puzzle_image" accept="image/jpeg, image/png, image/gif" required>
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</div>
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<div class="mb-3">
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<label for="pieces" class="form-label">Numero di Pezzi</label>
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<select class="form-select" id="pieces" name="pieces">
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<option value="16">16 (4x4)</option>
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<option value="32">32 (8x4)</option>
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<option value="64">64 (8x8)</option>
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</select>
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</div>
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<div class="form-check mb-3">
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<input class="form-check-input" type="checkbox" id="is_public" name="is_public" value="1" checked>
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<label class="form-check-label" for="is_public">
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Rendi Pubblico
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</label>
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</div>
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<button type="submit" name="add_puzzle" class="btn btn-primary">Aggiungi Puzzle</button>
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</form>
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</div>
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<h1 class="mb-4">Gestione Puzzle</h1>
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<div class="table-responsive">
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<table class="table table-striped table-bordered">
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<thead class="table-dark">
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<tr>
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<th>ID</th>
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<th>Nome</th>
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<th>Immagine</th>
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<th>Pezzi</th>
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<th>Pubblico</th>
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<th>Creato il</th>
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<th>Azioni</th>
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</tr>
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</thead>
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<tbody>
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<?php if (empty($puzzles)): ?>
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<tr>
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<td colspan="7" class="text-center">Nessun puzzle trovato.</td>
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</tr>
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<?php else: ?>
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<?php foreach ($puzzles as $puzzle):
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$image_path = __DIR__ . '/uploads/' . $puzzle['original_image'];
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if (file_exists($image_path)) {
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// Cache busting for images
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$imageUrl = 'uploads/' . htmlspecialchars($puzzle['original_image']) . '?v=' . filemtime($image_path);
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} else {
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$imageUrl = 'assets/images/placeholder.png'; // A placeholder if image is missing
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}
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?>
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<tr>
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<td><?php echo htmlspecialchars($puzzle['id']); ?></td>
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<td><a href="puzzle.php?id=<?php echo htmlspecialchars($puzzle['id']); ?>" target="_blank"><?php echo htmlspecialchars($puzzle['name']); ?></a></td>
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<td><img src="<?php echo $imageUrl; ?>" alt="Puzzle" width="100"></td>
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<td><?php echo htmlspecialchars($puzzle['pieces']); ?></td>
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<td><?php echo $puzzle['is_public'] ? 'Sì' : 'No'; ?></td>
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<td><?php echo htmlspecialchars($puzzle['created_at']); ?></td>
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<td>
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<form method="POST" action="admin.php" onsubmit="return confirm('Sei sicuro di voler eliminare questo puzzle? L'azione è irreversibile.');">
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<input type="hidden" name="puzzle_id" value="<?php echo htmlspecialchars($puzzle['id']); ?>">
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<button type="submit" name="delete_puzzle" class="btn btn-danger btn-sm">Elimina</button>
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</form>
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</td>
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</tr>
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<?php endforeach; ?>
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<?php endif; ?>
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</tbody>
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</table>
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</div>
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</div>
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<footer class="text-center mt-5 py-3 bg-light">
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<p>© <?php echo date("Y"); ?> Puzzle Game</p>
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</footer>
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</body>
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</html>
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