FEATURE: add form for setting default permissions and fix few bugs

app/Http/Controllers/Admin/Users/EditUser.php

@@ -8,8 +8,11 @@ use App\CMS\Repositories\Users\User as UserRepository;
 use App\Events\EditUser as EditUserEvent;
 use App\Http\Controllers\Admin\Controller;
 use App\Http\Requests\EditUserRequest;
+use App\Http\Requests\Request;
+use App\Models\Permissions\Permission;
 use App\Models\User;
 use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Event;
 
 class EditUser extends Controller
@@ -82,4 +85,34 @@ class EditUser extends Controller
             ->back()
             ->with('success', trans('admin/userManagement.userSuccessfullyEdited'));
     }
+
+    /**
+     * Update the specified resource in storage.
+     *
+     * @param  \Illuminate\Http\Request $request
+     * @param  int                      $id
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function setPermissions(Request $request, User $user)
+    {
+        $permissionIds = $request->get('permissions', []);
+        $permissions = Permission::whereIn('string_id', array_keys($permissionIds))
+                                 ->get();
+
+        DB::transaction(function () use ($user, $permissions) {
+            // remove all permissions
+            $user->permissions()
+                 ->detach();
+
+            foreach ($permissions as $permission) {
+                $user->permissions()
+                     ->attach($permission->id);
+            }
+        });
+
+        return redirect()
+            ->back()
+            ->with('success', trans('admin/permissions.successfullySet'));
+    }
 }