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allow customization of Stream action via events

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added before and after action events that can be used to modify the
stream action filter.
This commit is contained in:
Carsten Brandt 2016-08-26 14:23:30 +02:00
parent 91575fae78
commit 340bede945
1 changed files with 41 additions and 9 deletions
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50
protected/humhub/modules/content/components/actions/Stream.php
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@ -10,9 +10,9 @@ namespace humhub\modules\content\components\actions;
use Yii;
use humhub\modules\content\models\Content;
use humhub\modules\content\models\Wall;
use humhub\modules\content\models\WallEntry;
use humhub\modules\user\models\User;
use yii\base\ActionEvent;
use yii\base\Exception;
/**
@ -23,6 +23,16 @@ use yii\base\Exception;
*/
class Stream extends \yii\base\Action
{
/**
* @event ActionEvent Event triggered before this action is run.
* This can be used for example to customize [[activeQuery]] before it gets executed.
*/
const EVENT_BEFORE_RUN = 'beforeRun';
/**
* @event ActionEvent Event triggered after this action is run.
*/
const EVENT_AFTER_RUN = 'afterRun';
/**
* Constants used for sorting
@ -71,7 +81,7 @@ class Stream extends \yii\base\Action
*
* @var array
*/
public $filters = array();
public $filters = [];
/**
* @var \yii\db\ActiveQuery
@ -84,7 +94,8 @@ class Stream extends \yii\base\Action
*
* @var User
*/
public $user = null;
public $user;
public function init()
{
@ -92,7 +103,7 @@ class Stream extends \yii\base\Action
$this->activeQuery = WallEntry::find();
// If no user is set, take current if logged in
if (!Yii::$app->user->isGuest && $this->user == null) {
if ($this->user === null && !Yii::$app->user->isGuest) {
$this->user = Yii::$app->user->getIdentity();
}
@ -139,7 +150,6 @@ class Stream extends \yii\base\Action
$this->activeQuery->limit($this->limit);
$this->activeQuery->andWhere(['user.status' => User::STATUS_ENABLED]);
$this->activeQuery->one();
/**
* Handle Stream Mode (Normal Stream or Activity Stream)
@ -148,7 +158,7 @@ class Stream extends \yii\base\Action
$this->activeQuery->andWhere(['content.object_model' => \humhub\modules\activity\models\Activity::className()]);
// Dont show own activities
if ($this->user != null) {
if ($this->user !== null) {
$this->activeQuery->leftJoin('activity', 'content.object_id=activity.id AND content.object_model=:activityModel', ['activityModel' => \humhub\modules\activity\models\Activity::className()]);
$this->activeQuery->andWhere('content.created_by != :userId', array(':userId' => $this->user->id));
}
@ -229,11 +239,10 @@ class Stream extends \yii\base\Action
{
Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
$this->init();
$wallEntries = $this->activeQuery->all();
$wallEntries = $this->getWallEntries();
$output = "";
$generatedWallEntryIds = array();
$generatedWallEntryIds = [];
$lastEntryId = "";
foreach ($wallEntries as $wallEntry) {
@ -265,4 +274,27 @@ class Stream extends \yii\base\Action
];
}
/**
* This method is called right before `run()` is executed.
* You may override this method to do preparation work for the action run.
* If the method returns false, it will cancel the action.
*
* @return boolean whether to run the action.
*/
protected function beforeRun()
{
$event = new ActionEvent($this);
$this->trigger(self::EVENT_BEFORE_RUN, $event);
return $event->isValid;
}
/**
* This method is called right after `run()` is executed.
* You may override this method to do post-processing work for the action run.
*/
protected function afterRun()
{
$event = new ActionEvent($this);
$this->trigger(self::EVENT_AFTER_RUN, $event);
}
}