Sent notifications for friendship requests

RestControllers/friendsController.php

@@ -66,13 +66,16 @@ class friendsController{
 		if(!CS::get()->components->friends->send_request(userID, $friendID))
 			Rest_fatal_error(500, "Couldn't create friendship request !");
 		
+		//Create notification
+		create_friendship_notification(userID, $friendID, Notification::SENT_FRIEND_REQUEST);
+
 		//Success
 		return array("success" => "The friendship request has been created !");
 
 	}
 
 	/**
-	 * Remove a previously send frienship request
+	 * Remove a previously sent frienship request
 	 * 
 	 * @url POST /friends/removeRequest
 	 */
@@ -90,6 +93,9 @@ class friendsController{
 		if(!CS::get()->components->friends->remove_request(userID, $friendID))
 			Rest_fatal_error(500, "An error occured while trying to remove the friendship request !");
 		
+		//Delete all related notifications
+		delete_notifications_friendship_request(userID, $friendID);
+
 		//This is a success
 		return array("success" => "The friendship request has been removed!");
 	}
@@ -117,6 +123,11 @@ class friendsController{
 		if($result != true)
 			Rest_fatal_error(500, "Couldn't respond to friendship request !");
 		
+		//Send notification
+		create_friendship_notification(userID, $friendID, 
+			$acceptRequest ? Notification::ACCEPTED_FRIEND_REQUEST : Notification::REJECTED_FRIEND_REQUEST
+		);
+		
 		//Else it is a success
 		return array("success" => "A response was given to friendship request !");
 	}
@@ -137,11 +148,15 @@ class friendsController{
 		$friendID = toInt($_POST['friendID']);
 		$result = CS::get()->components->friends->remove(userID, $friendID);
 
-		//Check if the operation is a result
+		//Check if the operation is a success
 		if(!$result)
 			Rest_fatal_error(500, "Couldn't remove user from the friendlist for an unexcepted reason !");
-		else
-			return array("success" => "The friend was removed from the list !");
+		
+		//Delete any related notification
+		delete_notifications_friendship_request(userID, $friendID);
+
+		//Success
+		return array("success" => "The friend was removed from the list !");
 	}
 
 	/**

classes/components/notifications.php

@@ -144,6 +144,18 @@ class notificationComponent {
 
 		}
 
+		//Handles friendship request notifications
+		else if($notification->get_on_elem_type() == Notification::FRIENDSHIP_REQUEST){
+
+			//Complete the notification
+			$notification->set_from_container_id(0);
+			$notification->set_from_container_type("");
+			
+			//Push the notification in private way
+			return $this->push_private($notification);
+
+		}
+		
 		//Unsupported element
 		else {
 			throw new Exception("The kind of notification ".$notification->get_on_elem_type()." is not currently supported !");

classes/models/Notification.php

@@ -23,11 +23,15 @@ class Notification {
 	const POST_TIMER = "post_timer";
 	const POST_SURVEY = "post_survey";
 	const COMMENT = "comment";
+	const FRIENDSHIP_REQUEST = "friend";
 
 	/**
 	 * Event type
 	 */
 	const COMMENT_CREATED = "comment_created";
+	const SENT_FRIEND_REQUEST = "sent_friend_request";
+	const ACCEPTED_FRIEND_REQUEST = "accepted_request";
+	const REJECTED_FRIEND_REQUEST = "rejected_request";
 	const ELEM_CREATED = "elem_created";
 	const ELEM_UPDATED = "elem_updated";
 

helpers/notifications.php

@@ -44,15 +44,42 @@ function delete_notifications_friendship_request(int $userOne, int $userTwo) : b
 	//Delete notifications in the two ways
 	$notification->set_dest_user_id($userOne);
 	$notification->set_from_user_id($userTwo);
-	$notification->set_on_elem_id(0);
+	$notification->set_on_elem_id($userTwo);
 	if(!components()->notifications->delete($notification))
 		return false;
 	
 	$notification->set_dest_user_id($userTwo);
 	$notification->set_from_user_id($userOne);
-	$notification->set_on_elem_id(0);
+	$notification->set_on_elem_id($userOne);
 	if(!components()->notifications->delete($notification))
 		return false;
 
 	return true;
 }
+
+/**
+ * Create and push a friendship request notification
+ * 
+ * @param int $fromUser The ID of the user generating the notification
+ * @param int $destUser The target user for the notification
+ * @param string $kind The kind of notification to create
+ * @return bool TRUE in case of success / FALSE else
+ */
+function create_friendship_notification(int $fromUser, int $destUser, string $kind) : bool {
+
+	//Delete all the previous notifications
+	if(!delete_notifications_friendship_request($fromUser, $destUser))
+		return false;
+	
+	//Create the notification
+	$notif = new Notification();
+	$notif->set_time_create(time());
+	$notif->set_from_user_id($fromUser);
+	$notif->set_dest_user_id($destUser);
+	$notif->set_on_elem_id($fromUser); //Same as from_user_id
+	$notif->set_on_elem_type(Notification::FRIENDSHIP_REQUEST);
+	$notif->set_type($kind);
+
+	//Try to push the notification
+	return components()->notifications->push($notif);
+}