add class and function to add user in a group

app/routes.php

@@ -13,6 +13,7 @@ use App\Application\Actions\User\ViewModifyForm;
 use App\Application\Actions\Group\CreateGroupAction;
 use App\Application\Actions\Group\ListGroupsAction;
 use App\Application\Actions\Group\ViewGroupAction;
+use App\Application\Actions\Group\AddUserGroupAction;
 
 use App\Application\Actions\Search\SearchAction;
 
@@ -121,9 +122,8 @@ return function (App $app) {
                 return $this->get(Twig::class)->render($response, "/group/create_group.twig", []);
                 });
             $group->get('', ListGroupsAction::class);
+            $group->post('/{id}/add', AddUserGroupAction::class);
             $group->get('/{id}', ViewGroupAction::class);
-            $group->post('', CreateGroupAction::class);
-            $group->delete('{id}', DeleteGroupAction::class);
 
         }
     );

src/Application/Actions/Group/AddUserGroupAction.php

+<?php
+declare(strict_types=1);
+
+namespace App\Application\Actions\Group;
+use App\Domain\Group\GroupNotFoundException;
+use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Http\Message\ServerRequestInterface as Request;
+use App\Domain\Group\Group ;
+
+class AddUserGroupAction extends GroupAction
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function action(): Response
+    {
+        $groupId = (int) $this->resolveArg('id');
+        $group = $this->groupRepository->find($groupId);
+
+        if (!isset($group)) {
+            throw new GroupNotFoundException();
+        }
+        $userRepository = $this->em->getRepository('App\Domain\User\User');
+        $currentUser = $userRepository->find($_SESSION['userId']);
+        $currentUser->addGroup($group);        
+
+        $this->em->persist($group);
+        $this->em->flush();
+
+        $this->logger->info("User has been added in group.");
+        $this->flash->addMessage('add_user', 'User has been added in group.');
+
+        return $this->response
+            ->withHeader('Location', '/groups/' . $groupId)
+            ->withStatus(302);
+    }
+
+}

src/Domain/Group/Group.php

@@ -72,14 +72,9 @@ class Group implements JsonSerializable
     }
 
     public function addUser(User $user){
-        $this->users[] = $user;
+        $this->users->add($user);
     }
 
-    public function setAdmin(User $user){
-        $this->admin[] = $user;
-    }
-
-
     public function getUsers(){
         return $this->users;
     }
@@ -89,28 +84,34 @@ class Group implements JsonSerializable
         return $this->admin;
     }
 
-    public function getUser($id): bool
+    public function hasUser($id): bool
     {
         for ($i = 0; $i < count($this->users); $i += 1){
             if ($this->users[$i]->getId() == $id){
                 return true;
             }
-
-            return false;
         }
+        return false;
+
     }
 
     /**
      * @return bool
      */
-    public function getAdmin($id):bool
+    public function checkAdmin($id):bool
     {
-        if($id == $this->admin){
+        if($id == $this->admin->getId()){
             return true;
         }
         return false;
     }
 
+    /**
+     * Set user as admin
+     */
+    public function setAdmin(User $user){
+        $this->admin = $user;
+    }
     /**
      * @return array
      */
@@ -120,7 +121,8 @@ class Group implements JsonSerializable
             'id' => $this->id,
             'name' => $this->name,
             'description' => $this->description,
-            'ids_users' => $this->ids_users
+            'users' => $this->users,
+            'private' => $this->private
         ];
     }
 

src/Domain/User/User.php

@@ -79,7 +79,7 @@ class User implements JsonSerializable
     private $messages;
 
     /**
-     * @OneToMany(targetEntity="App\Domain\Group\Group", mappedBy="users")
+     * @ORM\OneToMany(targetEntity="App\Domain\Group\Group", mappedBy="users")
      */
 
     private $admins;

templates/group/group_view.twig

@@ -3,7 +3,6 @@
 <div class="ui card" id="usercard">
   <div class="content">
   <img class="ui left floated circular image" src="/assets/img/default-avatar.png">
-
     <a class="header">{{group.name}}</a>
     <div class="description">
       <p>{{group.description}}</p>
@@ -17,9 +16,24 @@
             <form action="/group/delete" method="post">
               <button type="submit" class="ui button"><i class="trash icon"></i></button>
             </form>
+          {% if group.hasUser(session.userId) == false %}
+            <form action="/groups/{{group.getId}}/add" method="post">
+              <button type="submit" class="ui button"><i class="user plus icon"></i></button>
+            </form>
           {% endif %}
         </div>
     </div>
   </div>
 </div>
+<div class="ui relaxed divided list">
+  <h2> Members </h2>
+  {% for user in group.users %}
+    <div class="item">
+      <img class="ui avatar image" src="/assets/img/default-avatar.png"></i>
+      <div class="content">
+          <a href="users/{{user.id}}" class="header">@{{user.username}}</a>
+      </div>
+    </div>
+  {% endfor %}
+</div> 
 {% endblock %}
\ No newline at end of file