/**
  * @param $id
  * @param $input
  * @param $roles
  * @return bool
  * @throws GeneralException
  */
 public function update($id, $input, $roles)
 {
     $permission = $this->findOrThrowException($id);
     $permission->name = $input['name'];
     $permission->display_name = $input['display_name'];
     $permission->system = isset($input['system']) ? 1 : 0;
     $permission->group_id = isset($input['group']) && strlen($input['group']) > 0 ? (int) $input['group'] : null;
     $permission->sort = isset($input['sort']) ? (int) $input['sort'] : 0;
     //See if this permission is tied directly to a user first
     if (count($permission->users) > 0) {
         throw new GeneralException('This permission is currently tied directly to one or more users and can not be assigned to a role.');
     }
     if ($permission->save()) {
         //Detach permission from every role, then add the permission to the selected roles
         $currentRoles = $this->roles->getAllRoles();
         foreach ($currentRoles as $role) {
             $role->detachPermission($permission);
         }
         if (count($roles['permission_roles']) > 0) {
             //For each role, load role, collect perms, add perm to perms, flush perms, read perms
             foreach ($roles['permission_roles'] as $role_id) {
                 //Get the role, with permissions
                 $role = $this->roles->findOrThrowException($role_id, true);
                 //Get the roles permissions into an array
                 $role_permissions = $role->permissions->lists('id')->all();
                 if (count($role_permissions) >= 1) {
                     //Role has permissions, gather them first
                     //Add this new permission id to the role
                     array_push($role_permissions, $permission->id);
                     //For some reason the lists() casts as a string, convert all to int
                     $role_permissions_temp = array();
                     foreach ($role_permissions as $rp) {
                         array_push($role_permissions_temp, (int) $rp);
                     }
                     $role_permissions = $role_permissions_temp;
                     //Sync the permissions to the role
                     $role->permissions()->sync($role_permissions);
                 } else {
                     //Role has no permissions, add the 1
                     $role->permissions()->sync([$permission->id]);
                 }
             }
         }
         //Add the dependencies of this permission if any
         if (isset($input['dependencies']) && count($input['dependencies'])) {
             //Remove all current dependencies
             $this->dependencies->clear($permission->id);
             //Add the currently checked dependencies
             foreach ($input['dependencies'] as $dependency_id) {
                 $this->dependencies->create($permission->id, $dependency_id);
             }
         } else {
             //None checked, remove any if they were there prior
             $this->dependencies->clear($permission->id);
         }
         return true;
     }
     throw new GeneralException("There was a problem updating this permission. Please try again.");
 }
 /**
  * @param  $id
  * @param  $input
  * @param  $roles
  * @throws GeneralException
  * @return bool
  */
 public function update($id, $input, $roles)
 {
     $permission = $this->findOrThrowException($id);
     $permission->name = $input['name'];
     $permission->display_name = $input['display_name'];
     $permission->system = isset($input['system']) ? 1 : 0;
     $permission->group_id = isset($input['group']) && strlen($input['group']) > 0 ? (int) $input['group'] : null;
     $permission->sort = isset($input['sort']) ? (int) $input['sort'] : 0;
     if ($permission->save()) {
         //Detach permission from every role, then add the permission to the selected roles
         $currentRoles = $this->roles->getAllRoles();
         foreach ($currentRoles as $role) {
             $role->detachPermission($permission);
         }
         if (count($roles['permission_roles']) > 0) {
             //For each role, load role, collect perms, add perm to perms, flush perms, read perms
             foreach ($roles['permission_roles'] as $role_id) {
                 //Get the role, with permissions
                 $role = $this->roles->findOrThrowException($role_id, true);
                 //Get the roles permissions into an array
                 $role_permissions = $role->permissions->lists('id')->all();
                 if (count($role_permissions) >= 1) {
                     //Role has permissions, gather them first
                     //Add this new permission id to the role
                     array_push($role_permissions, $permission->id);
                     //For some reason the lists() casts as a string, convert all to int
                     $role_permissions_temp = array();
                     foreach ($role_permissions as $rp) {
                         array_push($role_permissions_temp, (int) $rp);
                     }
                     $role_permissions = $role_permissions_temp;
                     //Sync the permissions to the role
                     $role->permissions()->sync($role_permissions);
                 } else {
                     //Role has no permissions, add the 1
                     $role->permissions()->sync([$permission->id]);
                 }
             }
         }
         //Add the dependencies of this permission if any
         if (isset($input['dependencies']) && count($input['dependencies'])) {
             //Remove all current dependencies
             $this->dependencies->clear($permission->id);
             //Add the currently checked dependencies
             foreach ($input['dependencies'] as $dependency_id) {
                 $this->dependencies->create($permission->id, $dependency_id);
             }
         } else {
             $this->dependencies->clear($permission->id);
         }
         return true;
     }
     throw new GeneralException(trans('exceptions.backend.access.permissions.update_error'));
 }