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https://github.com/serghey-rodin/vesta.git
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126 lines
3.0 KiB
PHP
126 lines
3.0 KiB
PHP
<?php
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/**
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* Ajax Handler
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*
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* @author vesta, http://vestacp.com/
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* @copyright vesta 2010-2011
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*/
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class AjaxHandler
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{
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static public $instance = null;
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public $errors = array();
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public $status = TRUE;
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/**
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* Grab current instance or create it
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*
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* @return AjaxHandler
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*/
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static function getInstance($request=null)
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{
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return null == self::$instance ? self::$instance = new self() : self::$instance;
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}
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/**
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* Called functions should reply in the following way
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* return $this->reply($result, $data, $msg, $extra);
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*
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* @param Request $request
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* @return mixed
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*/
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function dispatch($request)
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{
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$method = Request::parseAjaxMethod($request);
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$inc_file = V_ROOT_DIR . 'api' . DIRECTORY_SEPARATOR . $method['namespace'] . '.class.php';
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if (!is_readable($inc_file))
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{
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throw new SystemException(Message::INVALID_METHOD);
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}
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require $inc_file;
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$space = new $method['namespace'];
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$method = $method['function'] . 'Execute';
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if (!method_exists($space, $method))
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{
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throw new SystemException(Message::INVALID_METHOD);
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}
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return $space->$method($request);
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}
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/**
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* Prepare the result of method execution into ajax-readable format
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*
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* @param boolean $result - result of method execution
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* @param array $data - data to be replied
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* @param string $message - replied message
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* @param array $extra - extra data
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*/
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function reply($result, $data, $message = '', $extra = array())
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{
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return json_encode(array('result' => $result,
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'data' => $data,
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'message' => $message,
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'extra' => $extra,
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'errors' => $this->errors
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));
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}
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/**
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* TODO: delete this method
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* @deprecated
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*/
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static function makeReply($reply)
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{
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print $reply;
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}
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//
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// Error handlers
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//
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/**
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* Generate general error
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* @param Exception $error
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*/
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static function generalError($error)
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{
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self::renderGlobalError(Message::ERROR, Message::GENERAL_ERROR, $error);
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}
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/**
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* Generate protection error
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* @param Exception $error
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*/
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static function protectionError($error)
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{
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self::renderGlobalError(Message::ERROR, Message::PROTECTION_ERROR, $error);
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}
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/**
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* Generate system error
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* @param Exception $error
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*/
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static function systemError($error)
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{
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self::renderGlobalError(Message::ERROR, Message::SYSTEM_ERROR, $error);
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}
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/**
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* Prepare and render the error
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* @param Exception $error
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*/
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static function renderGlobalError($type, $message, $error)
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{
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$trace = $error->getTrace();
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AjaxHandler::makeReply(
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AjaxHandler::getInstance()->reply(false, $type, $message . ': ' . $error->getMessage(), $trace[0]['file'] . ' / ' . $trace[0]['line'])
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);
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}
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}
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