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<?php
/**
* TipyController
*
* @package tipy
*/
/**
* C in MVC. Receive the request, fetch or save data from a models, and use a TipyView to create HTML output
*
* <code>
* // app/controllers/BlogController.php
* class MyController extends TipyController {
* public function myAction() {
* // your application logic
* }
* }
* </code>
*
* Application input is available in *$this->in*, application output goes to *$this->out*
*
* ## Default template rendering
*
* At the end of the action HTML template will be rendered automatically.
* Automatic template name is contructed from controller name (without "Controller")
* and action name
*
* <code>
* Action Template Path
* ------------------------------------------
* BlogController::index() /app/views/Blog/index.php
* BlogController::post() /app/views/Blog/post.php
* </code>
*
* ## Custom template rendering
*
* You can explicitely render template with custom name
*
* <code>
* // app/controllers/BlogController.php
* class BlogController extends TipyController {
* public function article() {
* $this->out('title', 'Hello');
* $this->out('message', 'World!');
* $this->renderView('path/to/custom/template');
* }
* }
* </code>
*
* ## Disable TipyView rendering
*
* If you use custom template engine or your action outputs formats different
* from text or HTML you may want to disable default tipy rendering
*
* <code>
* $this->skipRender = true;
* </code>
*
*/
class TipyController {
/**
* @var TipyConfig
*/
public $config;
/**
* @var TipyInput
*/
public $in;
/**
* @var TipyOutput
*/
public $out;
/**
* @var TipyEnv
*/
public $env;
/**
* @var TipyView
*/
public $view;
/**
* @var mysqli|null
*/
public $db;
/**
* @var TipySession
*/
public $session;
/**
* @var TipyCookie
*/
public $cookie;
/**
* @var TipyFlash
*/
protected $flash;
/**
* @var string
*/
private $templateName;
/**
* Set this to *true* to turn off TipyView template rendering
* @var boolean
*/
public $skipRender = false;
/**
* Instantiate controller with application context
*/
public function __construct() {
$app = TipyApp::getInstance();
$this->config = $app->config;
$this->request = $app->request;
$this->in = $app->in;
$this->out = $app->out;
$this->env = $app->env;
$this->cookie = $app->cookie;
$this->view = $app->view;
$this->db = $app->db;
$this->session = $app->session;
$this->flash = new TipyFlash($this->session);
}
/**
* Shortcut to $this->in->get()
* @param string $key
* @param mixed $defaultValue
* @return mixed
*/
public function in($key, $defaultValue = null) {
return $this->in->get($key, $defaultValue);
}
/**
* Shortcut to $this->in->set()
* @param string $key
* @param mixed $value
*/
public function out($key, $value) {
return $this->out->set($key, $value);
}
/**
* Render template and return result as a string
* @param string $templateName
* @return string
*/
public function renderTemplate($templateName) {
$this->view->bind($this->out->getAll());
return $this->view->processTemplate($templateName);
}
/**
* Set custom template name for rendering.
* This method force controller to render template
* even if {@link $skipRender} is set to true
* @param string $templateName
*/
public function renderView($templateName) {
$this->skipRender = false;
$this->templateName = $templateName;
}
/**
* Execute controller action by name with all before/after hooks
* @param string $action
*/
public function execute($action) {
$this->executeBefore();
$this->$action();
$this->executeAfter();
if (!$this->skipRender) {
if (!$this->templateName) {
$this->template = $this->actionToTemplaName($action);
}
// Render template to output buffer
echo $this->renderTemplate($this->templateName);
}
}
/**
* Path to template
* @param string $action
* @return string
*/
public function actionToTemplaName($action) {
$className = get_class($this);
$className = str_replace('Controller', '', $className);
$this->templateName = $className.'/'.$action;
}
/**
* Execute function wrapper. In TEST_MODE it does not exit but
* throws exception to continue tests
* @param string $action
*/
private function safeExit($message) {
if (defined('TEST_MODE') and TEST_MODE) {
throw new TipyException($msg);
} else {
exit;
}
}
/**
* Redirect
* @param string $path
*/
public function redirect($path) {
while (@ob_end_clean()) {
}
header('HTTP/1.0 302 Moved Temporarily');
header('Location: '.$path);
$this->safeExit('Redirected to '.$path);
}
/**
* 404
* @todo Implement fancy 404 page
*/
public function pageNotFound() {
while (@ob_end_clean()) {
}
header('HTTP/1.0 404 Not Found');
$this->safeExit('Status: 404 Not Found');
}
/**
* Hook to execute before action. Override this in your controller.
*/
public function executeBefore() {
}
/**
* Hook to executed after action. Override this in your controller.
*/
public function executeAfter() {
}
}