backend/group-training : improve delete&copy week

common/modules/event/manager/EventManager.php

@@ -19,29 +19,6 @@ use yii\db\StaleObjectException;
 
 class EventManager
 {
-    /** @noinspection PhpUnused */
-
-    /**
-     * Delete or mark deleted an event
-     * @param $id
-     * @throws Throwable
-     * @throws \yii\base\Exception on any error
-     * @throws StaleObjectException
-     */
-    public function deleteEvent($id)
-    {
-        $event = Event::findOne($id);
-        if (!isset($event)) {
-            throw new \yii\base\Exception("Event $id not found");
-        }
-        $registrations = $event->eventRegistrations;
-        if (!isset($registrations) || count($registrations) === 0) {
-            $event->delete();
-        } else {
-            $event->deleted_at = time();
-            $event->save(false);
-        }
-    }
 
 
     /**
@@ -91,10 +68,7 @@ class EventManager
         }
         // get events between active dates
 
-        $trainers = null;
-        if ( RoleDefinition::isTrainer() ){
-             $trainers = $this->getAssignedTrainerIDs(\Yii::$app->user->id);
-        }
+        $trainers = $this->getAssignedTrainerIDsForPermission();
 
         $events = $this->getEvents($dateTimeFrom, $dateTimeTo,$trainers);
 
@@ -236,14 +210,62 @@ class EventManager
 
     public function getAssignedTrainerIDs($idUser){
             $trainerObjects = $this->getAssignedTrainers($idUser);
+            return $this->mapTrainerToId($trainerObjects);
+    }
 
-            $trainers = [];
-            foreach ($trainerObjects as $trainerObject){
-                $trainers[] = $trainerObject->id;
-            }
-            return $trainers;
+    public function getAllTrainerIDs( ){
+        $trainerObjects = Trainer::find()->all();
+        return $this->mapTrainerToId($trainerObjects);
+    }
+
+    public function mapTrainerToId($trainerObjects){
+        $trainers = [];
+        foreach ($trainerObjects as $trainerObject){
+            $trainers[] = $trainerObject->id;
+        }
+        return $trainers;
+    }
+
+    /**
+     * If the trainers are not limited by the 'trainer' role, null will be returned.
+     * If the user has the 'trainer' permission, but no trainer is assigned, empty array will be returned.
+     * Otherwise the array of assigned trainer IDs will be returned.
+     * @return array|null
+     */
+    public function getAssignedTrainerIDsForPermission(){
+        if ( RoleDefinition::isTrainer()){
+            $trainers = $this->getAssignedTrainerIDs(\Yii::$app->user->id);
+        } else {
+            $trainers = $this->getAllTrainerIDs();
+        }
+        return $trainers;
+    }
+
+    /**
+     * @param $trainerIDs int[]|null the trainer IDs. Null means, all trainers are allowed
+     * @param $trainerId
+
+     * @return bool
+     */
+    public function isTrainerAllowed($trainerIDs,$trainerId){
+        if ( !isset($trainerIDs) ){
+            return true;
+        }
+       return array_search($trainerId,$trainerIDs) !== false;
+    }
+
+    /**
+     * Use it with the result of getAssignedTrainerIDsForPermission().
+     * (
+     * @param $trainerIDs int[]|null the trainer IDs. Null means, all trainers are allowed
+     * @return bool
+     */
+    public function hasAnyTrainerAllowed($trainerIDs ){
+        if ( !isset($trainerIDs)){
+            return true;
+        }
+        return count($trainerIDs) > 0;
     }
 
 
-
 }