diff options
Diffstat (limited to 'public/app/controllers/admin/Course_admin.php')
| -rw-r--r-- | public/app/controllers/admin/Course_admin.php | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/public/app/controllers/admin/Course_admin.php b/public/app/controllers/admin/Course_admin.php index 0e34e00..ef9ef0e 100644 --- a/public/app/controllers/admin/Course_admin.php +++ b/public/app/controllers/admin/Course_admin.php @@ -9,6 +9,13 @@ use app\models\cms\Course_model; class Course_admin { + ## ------------------------------------------------------------------------- + ## + ## COURSE (category) METHODS + ## + ## ------------------------------------------------------------------------- + + /** breadcrumbs * --- * responds to ajax GET: /admin/api/categories @@ -90,4 +97,133 @@ class Course_admin { ]; } + + + + ## ------------------------------------------------------------------------- + ## + ## FILE METHODS + ## + ## ------------------------------------------------------------------------- + + + /** upload_file + * upload the file to the file system + * + * the method reads the POST and FILES array + * to retrieve all needed parametres + * + * + $_FILES[file] + * + $_POST[folder] : lesson's ID + * + $_POST[reference] : reference type + */ + public static function upload_file() + { + $post = Registry::get('REQUEST')->POST; + $files = Registry::get('REQUEST')->FILES; + + + // Checks before uploading the file + //////////////////////////////////////////////////////////////////////// + + // ** 1: file is upladed to temporary folder --------------------------- + if (! is_uploaded_file($files['file']['tmp_name'])) { + return ['success' => false]; // bye! + } + + // ** 2: File belongs to the allowed MIME types ------------------------ + $allowed_file_types = array( + 'application/pdf', + 'image/png', 'image/jpeg', + 'application/msword', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', + 'application/vnd.ms-excel', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' + ); + // Recomended MIME type checking via mime_content_type(): + $mime_type = mime_content_type($files['file']['tmp_name']); + if (! in_array($mime_type, $allowed_file_types)) { // File type NOT allowed ... + return ['success' => false]; // bye! + } + + $file_name = $files['file']['name']; + $file_type = $files['file']['type']; // do not take it for granted + $file_size = $files['file']['size']; + $file_tmp = $files['file']['tmp_name']; + + $bare_name = pathinfo($file_name, PATHINFO_FILENAME); + $file_ext = pathinfo($file_name, PATHINFO_EXTENSION); + + + // ** 3: filename or size checks may be added -------------------------- + if ($file_name == "") { + return ['success' => false]; // bye! + } + + + // READY to finaly save/upload the file to CDN ///////////////////////// + + $folder = MEDIA_STORAGE_ROOT . $post['folder']; + if (!file_exists($folder)) { // create folder if not exists + mkdir($folder, 0757, true); + } + + // print_r([ + // 'dir' => $folder, + // 'file' => $bare_name, + // 'ext' => $file_ext, + // 'type' => $file_type + // ]); die(); + + $relative_filename = $post['folder'] + .'/' + . strtolower(self::clear_file_name($bare_name) .'.'. $file_ext); + $store_filename = MEDIA_STORAGE_ROOT . $relative_filename; + + if (move_uploaded_file($files["file"]["tmp_name"], $store_filename)) { + return [ + 'success' => true, + 'path' => $store_filename, + 'type' => $mime_type + ]; + + } else { return ['success' => false]; } + + } + + + /** clear_file_name + * replace greek characters and strip symbols + */ + private static function clear_file_name($str) + { + $el = mb_split( "ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩαβγδεζηθικλμνξοπρστυφχψωάέήίόύώϊϋς ", ""); + $en = str_split("ABGDEZHUIKLMNJOPRSTYFXCVabgdezhuiklmnjoprstyfxcvaehioyviys-"); + $strip = str_split("!@#$%^&*()+~`[]{};'/<>?=\""); + + return str_replace($strip, '', str_replace($el, $en, $str)); + } + + + /** define_media + * + * create a record in media table + * + * @param $data + * @return id (int): id of created media record + */ + public static function define_media($data) + { + $sql = "INSERT INTO wiki_media (`title`, `type`, `path`) + VALUES (:title, :mimetype, :filepath)"; + $stmt = $this->pdo->prepare($sql); + $stmt->execute([ + 'title' => $data['title'], + 'mimetype' => $data['type'], + 'filepath' => $data['path'] + ]); + $inserted_id = $this->pdo->lastInsertId(); + + return $inserted_id; + } + + }
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