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<?php |
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namespace hauntd\vote\actions; |
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use hauntd\vote\models\Vote; |
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use hauntd\vote\models\VoteAggregate; |
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use hauntd\vote\models\VoteForm; |
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use hauntd\vote\Module; |
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use hauntd\vote\events\VoteActionEvent; |
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use hauntd\vote\traits\ModuleTrait; |
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use Yii; |
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use yii\base\Action; |
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use yii\web\MethodNotAllowedHttpException; |
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use yii\web\Response; |
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/** |
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* Class VoteAction |
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* @package hauntd\vote\actions |
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*/ |
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class VoteAction extends Action |
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{ |
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use ModuleTrait; |
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const EVENT_BEFORE_VOTE = 'beforeVote'; |
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const EVENT_AFTER_VOTE = 'afterVote'; |
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/** |
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* @return array |
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* @throws MethodNotAllowedHttpException |
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*/ |
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public function run() |
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{ |
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if (!Yii::$app->request->getIsAjax() || !Yii::$app->request->getIsPost()) { |
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throw new MethodNotAllowedHttpException(Yii::t('vote', 'Forbidden method'), 405); |
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} |
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Yii::$app->response->format = Response::FORMAT_JSON; |
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$module = $this->getModule(); |
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$form = new VoteForm(); |
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$form->load(Yii::$app->request->post()); |
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$this->trigger(self::EVENT_BEFORE_VOTE, $event = $this->createEvent($form, $response = [])); |
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if ($form->validate()) { |
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$settings = $module->getSettingsForEntity($form->entity); |
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if ($settings['type'] == Module::TYPE_VOTING) { |
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$response = $this->processVote($form); |
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} else { |
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$response = $this->processToggle($form); |
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} |
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$response = array_merge($event->responseData, $response); |
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$response['aggregate'] = VoteAggregate::findOne([ |
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'entity' => $module->encodeEntity($form->entity), |
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'target_id' => $form->targetId |
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]); |
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} else { |
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$response = ['success' => false, 'errors' => $form->errors]; |
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} |
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$this->trigger(self::EVENT_AFTER_VOTE, $event = $this->createEvent($form, $response)); |
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return $event->responseData; |
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} |
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/** |
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* Processes a vote (+/-) request. |
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* |
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* @param VoteForm $form |
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* @return array |
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* @throws \Exception |
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* @throws \yii\base\InvalidConfigException |
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*/ |
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protected function processVote(VoteForm $form) |
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{ |
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/* @var $vote Vote */ |
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$module = $this->getModule(); |
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$response = ['success' => false]; |
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$searchParams = ['entity' => $module->encodeEntity($form->entity), 'target_id' => $form->targetId]; |
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if (Yii::$app->user->isGuest) { |
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$vote = Vote::find() |
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->where($searchParams) |
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->andWhere(['user_ip' => Yii::$app->request->userIP]) |
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->andWhere('UNIX_TIMESTAMP() - created_at < :limit', [':limit' => $module->guestTimeLimit]) |
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->one(); |
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} else { |
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$vote = Vote::findOne(array_merge($searchParams, ['user_id' => Yii::$app->user->id])); |
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} |
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if ($vote == null) { |
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$response = $this->createVote($module->encodeEntity($form->entity), $form->targetId, $form->getValue()); |
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} else { |
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if ($vote->value !== $form->getValue()) { |
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$vote->value = $form->getValue(); |
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if ($vote->save()) { |
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$response = ['success' => true, 'changed' => true]; |
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} |
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} |
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} |
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return $response; |
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} |
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/** |
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* Processes a vote toggle request (like/favorite etc). |
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* |
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* @param VoteForm $form |
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* @return array |
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* @throws \Exception |
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* @throws \yii\base\InvalidConfigException |
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*/ |
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protected function processToggle(VoteForm $form) |
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{ |
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/* @var $vote Vote */ |
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$module = $this->getModule(); |
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$vote = Vote::findOne([ |
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'entity' => $module->encodeEntity($form->entity), |
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'target_id' => $form->targetId, |
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'user_id' => Yii::$app->user->id |
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]); |
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if ($vote == null) { |
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$response = $this->createVote($module->encodeEntity($form->entity), $form->targetId, $form->getValue()); |
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$response['toggleValue'] = 1; |
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} else { |
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$vote->delete(); |
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$response = ['success' => true, 'toggleValue' => 0]; |
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} |
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return $response; |
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} |
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/** |
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* Creates new vote entry and returns response data. |
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* |
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* @param string $entity |
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* @param integer $targetId |
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* @param integer $value |
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* @return array |
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*/ |
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protected function createVote($entity, $targetId, $value) |
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{ |
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$vote = new Vote(); |
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$vote->entity = $entity; |
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$vote->target_id = $targetId; |
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$vote->value = $value; |
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if ($vote->save()) { |
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return ['success' => true]; |
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} else { |
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return ['success' => false, 'errors' => $vote->errors]; |
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} |
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} |
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/** |
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* @param VoteForm $voteForm |
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* @param array $responseData |
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* @return object |
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* @throws \yii\base\InvalidConfigException |
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*/ |
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protected function createEvent(VoteForm $voteForm, array $responseData) |
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{ |
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return Yii::createObject([ |
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'class' => VoteActionEvent::class, |
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'voteForm' => $voteForm, |
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'responseData' => $responseData |
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]); |
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} |
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} |
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hauntd /
yii2-vote
Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects.