diff --git a/Sources/src/data/model/manager/UserManager.php b/Sources/src/data/model/manager/UserManager.php
index 72b774d0..1db65906 100644
--- a/Sources/src/data/model/manager/UserManager.php
+++ b/Sources/src/data/model/manager/UserManager.php
@@ -7,6 +7,7 @@ use Model\Coach;
 use Model\User;
 use Network\IAuthService;
 use Shared\Validation;
+use Stub\UserRepository;
 
 // c'est le modéle
 // should be here try catch ?? 
@@ -18,6 +19,8 @@ class UserManager
 
     private User $currentUser;
 
+    private UserRepository $userRepo
+
     public function __construct(IAuthService $authService,IFriendRequestService $friendService)
     {
         $this->authService = $authService;
@@ -35,11 +38,20 @@ class UserManager
     }
 
     public function addFriends($newFriendId) {
-        // should verifie si l'user exist si il existe pas return paas ajouter
-        // verifier si il est pas déja dans la liste des amis
-        // 
-        $this->friendService->sendRequest($this->currentUser->getId(), $newFriendId);
-        // if est bien ajouter 
+        foreach($u in $this->userRepo->getItems()){
+            if($u->getId()==$newFriendId){
+                throw new \Exception("User non existing");
+            }
+        }
+        foreach($u in $this->currentUser->getFriendsList()){
+            if($newFriendId==$u->getId()){
+                throw new \Exception("Already friend");
+            }
+        }
+        if($this->friendService->sendRequest($this->currentUser->getId(), $newFriendId)==true){
+            return true;
+        }
+        return false;
     }
 
     public function register($loginUser, $passwordUser,$data): bool
@@ -88,6 +100,25 @@ class UserManager
         }
         return false;
     }
+    public function searchUsersByName(string $name) : array{
+        $list=array();
+        foreach($u in $this->currentUser->getFriendsList()){
+            if(strcasecmp($name,$u->getNom())==0 || strcasecmp($name,$u->getPrenom())==0){
+                array_push($list, $u);
+                return true;
+            }
+        }
+        return $list;
+    }
+    public function deleteFriend(int $id){
+        foreach($u in $this->currentUser->getFriendsList()){
+            if($id==$u->getId()){
+                unset($u);
+                return true;
+            }
+        }
+        return false;
+    }
 }