public function uploadPicture()
{
if (isset($_FILES['book_picture']) && $_FILES['book_picture']['tmp_name']) {
$file = $_FILES['book_picture'];
} else {
return false;
}
$size = getimagesize($file['tmp_name']);
if ($size[0] > 200 && $size[1] > 200) {
$this->_errors[] = 'Не верный размер загружаемого изображения. Размеры картинки должны быть ограничены 200x200px';
return false;
}
$validTypes = array("image/jpg" => 'jpg', "image/jpeg" => 'jpeg', "image/gif" => 'gif', "image/png" => 'png');
if (in_array($size['mime'], array_keys($validTypes))) {
$extension = $validTypes[$size['mime']];
} else {
$this->_errors[] = 'Не верный формат загружаемого изображения. Разрешено загружать форматы jpg, jpeg, gif, png';
return false;
}
$config = Configs::getBlock('upload');
$uploadDir = $config->dir;
$fileName = md5(time() . $file['name']) . "." . $extension;
$uploadFile = $uploadDir . $fileName;
if (move_uploaded_file($file['tmp_name'], $uploadFile)) {
if ($this->picture && file_exists($uploadDir . $this->picture)) {
unlink($uploadDir . $this->picture);
}
$this->picture = $fileName;
return true;
} else {
$this->picture = '';
$this->_errors[] = 'Не удалось загрузить картинку.';
return false;
}
}
private function __construct()
{
self::$_dbParams = Configs::getBlock('database');
if (!self::$_dbParams) {
throw new Exception('Error: Empty database connection params.');
}
$dbParams = self::$_dbParams;
$connection = mysqli_connect($dbParams->host, $dbParams->user, $dbParams->password);
if (!$connection) {
throw new Exception('Error: Unable to connect to MySQL.');
}
$db = mysqli_select_db($connection, $dbParams->database);
if (!$db) {
throw new Exception('Error: Unable to connect to MySQL.');
}
mysqli_set_charset($connection, "utf8");
self::$_connection = $connection;
self::$_db = $db;
}