238 lines
7.2 KiB
PHP
Executable File
238 lines
7.2 KiB
PHP
Executable File
<?php
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/**
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* API de Galería - Subida de imágenes
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*/
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header('Content-Type: application/json');
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// Cargar variables de entorno
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if (file_exists(__DIR__ . '/../../.env')) {
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$lines = file(__DIR__ . '/../../.env', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
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foreach ($lines as $line) {
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if (strpos(trim($line), '#') === 0) continue;
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if (strpos($line, '=') === false) continue;
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list($key, $value) = explode('=', $line, 2);
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$_ENV[trim($key)] = trim($value);
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}
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}
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require_once __DIR__ . '/../../shared/database/connection.php';
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require_once __DIR__ . '/../../shared/auth/jwt.php';
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// Verificar autenticación
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$userData = JWTAuth::authenticate();
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if (!$userData) {
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http_response_code(401);
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echo json_encode(['success' => false, 'error' => 'No autenticado']);
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exit;
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}
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// Permitir subida a cualquier usuario autenticado
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// Opcional: Restringir si es necesario
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// if (!hasPermission('editar_plantillas') && !hasPermission('crear_mensajes')) { ... }
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
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http_response_code(405);
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echo json_encode(['success' => false, 'error' => 'Método no permitido']);
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exit;
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}
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if (!isset($_FILES['image'])) {
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http_response_code(400);
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echo json_encode(['success' => false, 'error' => 'No se envió ninguna imagen']);
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exit;
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}
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$file = $_FILES['image'];
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// Validar errores de subida
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if ($file['error'] !== UPLOAD_ERR_OK) {
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http_response_code(400);
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echo json_encode(['success' => false, 'error' => 'Error al subir el archivo']);
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exit;
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}
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// Validar tipo de archivo
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$allowedTypes = ['image/jpeg', 'image/png', 'image/gif', 'image/webp'];
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$finfo = finfo_open(FILEINFO_MIME_TYPE);
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$mimeType = finfo_file($finfo, $file['tmp_name']);
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finfo_close($finfo);
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if (!in_array($mimeType, $allowedTypes)) {
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http_response_code(400);
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echo json_encode(['success' => false, 'error' => 'Tipo de archivo no permitido. Solo se aceptan JPG, PNG, GIF y WebP']);
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exit;
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}
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// Validar tamaño (máximo 5MB)
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if ($file['size'] > 5 * 1024 * 1024) {
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http_response_code(400);
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echo json_encode(['success' => false, 'error' => 'El archivo es muy grande. Máximo 5MB']);
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exit;
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}
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try {
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$db = getDB();
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// Calcular hash MD5 del archivo
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$hash = md5_file($file['tmp_name']);
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// Verificar si ya existe una imagen con el mismo hash
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$stmt = $db->prepare("SELECT * FROM gallery WHERE hash_md5 = ?");
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$stmt->execute([$hash]);
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$existing = $stmt->fetch();
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if ($existing) {
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// La imagen ya existe, devolver la existente
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echo json_encode([
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'success' => true,
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'duplicate' => true,
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'image' => [
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'id' => $existing['id'],
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'nombre' => $existing['nombre'],
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'ruta' => $existing['ruta'],
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'ruta_thumbnail' => $existing['ruta_thumbnail'],
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'url' => '/gallery/uploads/' . $existing['nombre'],
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'url_thumbnail' => '/gallery/thumbnails/' . $existing['nombre']
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]
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]);
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exit;
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}
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// Obtener dimensiones de la imagen
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$imageInfo = getimagesize($file['tmp_name']);
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$width = $imageInfo[0];
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$height = $imageInfo[1];
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// Generar nombre único para el archivo
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$extension = pathinfo($file['name'], PATHINFO_EXTENSION);
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$newName = time() . '_' . bin2hex(random_bytes(8)) . '.' . $extension;
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// Rutas de destino
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$uploadsDir = __DIR__ . '/../uploads/';
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$thumbnailsDir = __DIR__ . '/../thumbnails/';
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$uploadPath = $uploadsDir . $newName;
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$thumbnailPath = $thumbnailsDir . $newName;
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// Crear directorios si no existen
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if (!is_dir($uploadsDir)) {
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mkdir($uploadsDir, 0755, true);
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}
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if (!is_dir($thumbnailsDir)) {
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mkdir($thumbnailsDir, 0755, true);
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}
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// Mover archivo subido
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if (!move_uploaded_file($file['tmp_name'], $uploadPath)) {
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throw new Exception('Error al guardar el archivo');
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}
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// Crear thumbnail
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createThumbnail($uploadPath, $thumbnailPath, 300, 300);
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// Guardar en la base de datos
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$stmt = $db->prepare("
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INSERT INTO gallery (nombre, nombre_original, ruta, ruta_thumbnail, hash_md5, tipo_mime, tamano, ancho, alto, usuario_id)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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");
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$stmt->execute([
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$newName,
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$file['name'],
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'uploads/' . $newName,
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'thumbnails/' . $newName,
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$hash,
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$mimeType,
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$file['size'],
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$width,
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$height,
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$userData->userId
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]);
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$imageId = $db->lastInsertId();
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echo json_encode([
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'success' => true,
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'duplicate' => false,
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'image' => [
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'id' => $imageId,
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'nombre' => $newName,
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'ruta' => 'uploads/' . $newName,
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'ruta_thumbnail' => 'thumbnails/' . $newName,
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'url' => '/gallery/uploads/' . $newName,
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'url_thumbnail' => '/gallery/thumbnails/' . $newName
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]
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]);
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} catch (Exception $e) {
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http_response_code(500);
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echo json_encode(['success' => false, 'error' => 'Error del servidor: ' . $e->getMessage()]);
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error_log('Error en upload.php: ' . $e->getMessage());
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}
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/**
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* Crear thumbnail de una imagen
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*/
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function createThumbnail($sourcePath, $destPath, $maxWidth, $maxHeight) {
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$imageInfo = getimagesize($sourcePath);
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$width = $imageInfo[0];
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$height = $imageInfo[1];
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$mimeType = $imageInfo['mime'];
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// Cargar imagen según el tipo
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switch ($mimeType) {
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case 'image/jpeg':
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$source = imagecreatefromjpeg($sourcePath);
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break;
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case 'image/png':
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$source = imagecreatefrompng($sourcePath);
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break;
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case 'image/gif':
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$source = imagecreatefromgif($sourcePath);
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break;
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case 'image/webp':
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$source = imagecreatefromwebp($sourcePath);
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break;
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default:
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throw new Exception('Tipo de imagen no soportado');
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}
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// Calcular nuevas dimensiones manteniendo el aspecto
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$ratio = min($maxWidth / $width, $maxHeight / $height);
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$newWidth = intval($width * $ratio);
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$newHeight = intval($height * $ratio);
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// Crear thumbnail
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$thumbnail = imagecreatetruecolor($newWidth, $newHeight);
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// Preservar transparencia para PNG y GIF
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if ($mimeType === 'image/png' || $mimeType === 'image/gif') {
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imagealphablending($thumbnail, false);
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imagesavealpha($thumbnail, true);
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$transparent = imagecolorallocatealpha($thumbnail, 255, 255, 255, 127);
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imagefilledrectangle($thumbnail, 0, 0, $newWidth, $newHeight, $transparent);
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}
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// Redimensionar
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imagecopyresampled($thumbnail, $source, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);
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// Guardar thumbnail
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switch ($mimeType) {
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case 'image/jpeg':
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imagejpeg($thumbnail, $destPath, 85);
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break;
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case 'image/png':
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imagepng($thumbnail, $destPath, 8);
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break;
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case 'image/gif':
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imagegif($thumbnail, $destPath);
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break;
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case 'image/webp':
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imagewebp($thumbnail, $destPath, 85);
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break;
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}
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imagedestroy($source);
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imagedestroy($thumbnail);
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}
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