/**
* <p>Rate a propel object. This action is typically executed from an AJAX
* request.</p>
*
* <p>You should override this method in your own exteends actions class if
* you need to associate current rating with a user.</p>
*
* @see sfPropelActAsRatableBehavior API
* @link http://trac.symfony-project.com/trac/wiki/sfPropelActAsRatableBehaviorPlugin
*/
public function executeRate()
{
try {
if ($this->getRequest()->getMethod() !== sfRequest::POST) {
return $this->renderText($this->messages['post_only']);
}
// Retrieve parameters from request
$token = $this->getRequestParameter('token');
$rating = $this->getRequestParameter('rating');
$star_width = $this->getRequestParameter('star_width', sfConfig::get('app_rating_star_width', 25));
// Retrieve ratable propel object
if (is_null($token) or is_null($rating)) {
return $this->renderFatalError($this->messages['missing_params']);
}
$object = sfPropelActAsRatableBehaviorToolkit::retrieveFromToken($token);
if (is_null($object)) {
return $this->renderFatalError($this->message['ratable_error']);
}
// User retrieval
$user_id = sfPropelActAsRatableBehaviorToolkit::getUserId();
if (is_null($user_id)) {
// Votes are cookie based
$cookie_name = sprintf('%s_%s', sfConfig::get('app_rating_cookie_prefix', 'rating'), $token);
if (!is_null($this->getRequest()->getCookie($cookie_name))) {
$message = $this->messages['already_voted'];
} else {
$object->setRating((int) $rating);
$cookie_ttl = sfConfig::get('app_rating_cookie_ttl', 86400 * 365 * 10);
$cookie_expires = date('Y-m-d H:m:i', time() + $cookie_ttl);
$this->getResponse()->setCookie($cookie_name, (int) $rating, $cookie_expires);
$message = $this->messages['thank_you'];
}
} else {
$already_rated = $object->hasBeenRatedByUser($user_id);
$object->setRating((int) $rating, $user_id);
$message = $already_rated === true ? $this->messages['thank_you_update'] : $this->messages['thank_you'];
}
$this->token = $token;
$this->rating = $object->getRating();
$this->star_width = $star_width;
$this->message = $message;
} catch (Exception $e) {
return $this->renderFatalError($e->getMessage());
}
}
/**
* Return the HTML code for a unordered list showing rating stars
*
* @param BaseObject $object Propel object instance
* @param array $options Array of HTML options to apply on the HTML list
* @throws sfPropelActAsRatableException
* @return string
**/
function sf_rater($object, $options = array())
{
if (is_null($object)) {
sfLogger::getInstance()->debug('A NULL object cannot be rated');
}
if (!isset($options['star-width'])) {
$star_width = sfConfig::get('app_rating_star_width', 25);
} else {
$star_width = $options['star-width'];
unset($options['star-width']);
}
try {
$max_rating = $object->getMaxRating();
$actual_rating = $object->getRating();
$bar_width = $actual_rating * $star_width;
$options = _parse_attributes($options);
if (!isset($options['class'])) {
$options = array_merge($options, array('class' => 'star-rating'));
}
if (!isset($options['style']) or !preg_match('/width:/i', $options['style'])) {
$full_bar_width = $max_rating * $star_width;
$options = array_merge($options, array('style' => 'width:' . $full_bar_width . 'px'));
}
if ($object instanceof sfOutputEscaperObjectDecorator) {
$object_class = get_class($object->getRawValue());
} else {
$object_class = get_class($object);
}
$object_id = $object->getReferenceKey();
$token = sfPropelActAsRatableBehaviorToolkit::addTokenToSession($object_class, $object_id);
$msg_domid = sprintf('rating_message_%s', $token);
$bar_domid = sprintf('current_rating_%s', $token);
$list_content = ' <li class="current-rating" id="' . $bar_domid . '" style="width:' . $bar_width . 'px;">';
$list_content .= sprintf(__('Currently rated %d star(s) on %d'), $object->getRating(), $max_rating);
$list_content .= ' </li>';
for ($i = 1; $i <= $max_rating; $i++) {
$label = sprintf(__('Rate it %d stars'), $i);
$list_content .= ' <li>' . link_to_remote($label, array('url' => sprintf('sfRating/rate?token=%s&rating=%d&star_width=%d', $token, $i, $star_width), 'update' => $msg_domid, 'script' => true, 'complete' => visual_effect('appear', $msg_domid) . visual_effect('highlight', $msg_domid)), array('class' => 'r' . $i . 'stars', 'title' => $label)) . '</li>';
}
return content_tag('ul', $list_content, $options) . content_tag('div', null, array('id' => $msg_domid));
} catch (Exception $e) {
sfLogger::getInstance()->err('Exception catched from sf_rater helper: ' . $e->getMessage());
}
}
/**
* Retrieve a ratable object
*
* @param string $object_model
* @param int $object_id
*/
public static function retrieveRatableObject($object_model, $object_id)
{
try {
$peer = sprintf('%sPeer', $object_model);
if (!class_exists($peer)) {
throw new Exception(sprintf('Unable to load class %s', $peer));
}
$object = call_user_func(array($peer, 'retrieveByPk'), $object_id);
if (is_null($object)) {
throw new Exception(sprintf('Unable to retrieve %s with primary key %s', $object_model, $object_id));
}
if (!sfPropelActAsRatableBehaviorToolkit::isRatable($object)) {
throw new Exception(sprintf('Class %s does not have the ratable behavior', $object_model));
}
return $object;
} catch (Exception $e) {
return sfContext::getInstance()->getLogger()->log($e->getMessage());
}
}
