From 583ef8fc2d3613e10aa5bedad5149d334384b339 Mon Sep 17 00:00:00 2001
From: Pierre <pierre@hubert.fr>
Date: Wed, 20 Dec 2017 18:53:00 +0100
Subject: [PATCH] Can get friendship status

---
 RestControllers/friendsController.php | 56 ++++++++++++++++++++++++---
 classes/components/friends.php        | 22 +++++++++++
 2 files changed, 72 insertions(+), 6 deletions(-)

diff --git a/RestControllers/friendsController.php b/RestControllers/friendsController.php
index 8b2d674..9a32622 100644
--- a/RestControllers/friendsController.php
+++ b/RestControllers/friendsController.php
@@ -61,12 +61,12 @@ class friendsController{
 	 *
 	 * @url POST /friends/remove
 	 */
-	 public function delete(){
-		 user_login_required(); //Login required
+	public function delete(){
+		user_login_required(); //Login required
 
-		 //Check input parametres
-		 if(!isset($_POST['friendID']))
-		 	Rest_fatal_error(400, "Please specify the ID of the friend to delete !");
+		//Check input parametres
+		if(!isset($_POST['friendID']))
+			Rest_fatal_error(400, "Please specify the ID of the friend to delete !");
 			
 		//Delete the friend from the list
 		$friendID = toInt($_POST['friendID']);
@@ -77,6 +77,50 @@ class friendsController{
 			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 !");
-	 }
+	}
 
+	/**
+	 * Get the status of a friendship
+	 * 
+	 * Check if the users are friends, or this there is a pending request...
+	 * 
+	 * @url POST /friends/getStatus
+	 */
+	public function getStatus(){
+
+		user_login_required(); //Login required
+
+		//Check if the a friendID has been specified
+		if(!isset($_POST['friendID']))
+			Rest_fatal_error(400, "Please specify a friend ID !");
+
+		//Get it
+		$friendID = toInt($_POST['friendID']);
+
+		//Prepare the response
+		$response = array(
+			"are_friend" => false,
+			"sent_request" => false,
+			"received_request" => false,
+		);
+
+		//Check if the two personns are friend
+		$response['are_friend'] = 
+			CS::get()->components->friends->are_friend(userID, $friendID);
+
+		//Perform next check only if the personns are not already friend
+		if(!$response['are_friend']){
+			
+			//Check if the current user has sent a request to the other user
+			if(CS::get()->components->friends->sent_request(userID, $friendID))
+				$response["sent_request"] = true;
+			
+			//Check if the current user has received a friendship request
+			if(CS::get()->components->friends->sent_request($friendID, userID))
+				$response["received_request"] = true;
+		}
+
+		//Return the response
+		return $response;
+	}
 }
\ No newline at end of file
diff --git a/classes/components/friends.php b/classes/components/friends.php
index 7d9876f..aa2e39d 100644
--- a/classes/components/friends.php
+++ b/classes/components/friends.php
@@ -185,6 +185,28 @@ class friends {
 		//Return the result
 		return count($response) > 0;
 	}
+
+	/**
+	 * Check whether a user has sent a friendship 
+	 * request to another friend
+	 * 
+	 * @param $user The ID of the user supposed to have sent a request
+	 * @param $targetUser The ID of the target user
+	 * @return TRUE if a request has been sent / FALSE else
+	 */
+	public function sent_request(int $user, int $targetUser) : bool {
+
+		//Query the friend table
+		$tableName = $this->friendsTable;
+		$conditions = "WHERE ID_personne = ? AND ID_amis = ? AND actif = 0";
+		$condValues = array($targetUser, $user);
+
+		//Try to perform the request
+		$response = CS::get()->db->select($tableName, $conditions, $condValues);
+
+		//Return result
+		return count($response) > 0;
+	}
 }
 
 //Register component