FEATURE: Filter users by role

Neos.Neos/Classes/Controller/Module/Administration/UsersController.php

@@ -113,20 +113,51 @@ protected function initializeAction()
      * @param string $sortDirection
      * @return void
      */
-    public function indexAction(string $searchTerm = '', string $sortBy = 'accounts.accountIdentifier', string $sortDirection = QueryInterface::ORDER_ASCENDING): void
+    public function indexAction(
+        string $searchTerm = '',
+        string $sortBy = 'accounts.accountIdentifier',
+        string $sortDirection = QueryInterface::ORDER_ASCENDING,
+        string $role = null,
+    ): void
     {
+        $allowedRoles = $this->getAllowedRoles();
+
         if (empty($searchTerm)) {
             $users = $this->userService->getUsers($sortBy, $sortDirection);
         } else {
             $users = $this->userService->searchUsers($searchTerm, $sortBy, $sortDirection);
         }
 
+        if ($role) {
+            $roleExists = false;
+            foreach ($allowedRoles as $allowedRole) {
+                if ($allowedRole->getIdentifier() === $role) {
+                    $roleExists = true;
+                    break;
+                }
+            }
+            if (!$roleExists) {
+                throw new NoSuchRoleException(sprintf('The role "%s" does not exist.', $role), 1723796893);
+            }
+
+            $query = $users->getQuery();
+            $constraints = $query->getConstraint();
+            $users = $query
+                ->matching($query->logicalAnd(
+                    $constraints,
+                    // FIXME: The like query could yield incorrect results if the role identifier is a substring of another role identifier
+                    $query->like('accounts.roleIdentifiers', '%' . $role . '%', false),
+                ))->execute();
+        }
+
         $this->view->assignMultiple([
             'currentUser' => $this->currentUser,
             'users' => $users,
             'searchTerm' => $searchTerm,
             'sortBy' => $sortBy,
             'sortDirection' => $sortDirection,
+            'allowedRoles' => $allowedRoles,
+            'role' => $role,
         ]);
     }
 

Neos.Neos/Resources/Private/Styles/Modules/_Modules.scss

@@ -92,13 +92,8 @@
     }
 
     .neos-search-bar {
-      button.neos-button {
-        border-right: 1px solid $grayDark;
-      }
-
-      a.neos-button {
-        border-left: 1px solid $grayDark;
-      }
+      display: flex;
+      gap: 1px;
     }
   }
 

Neos.Neos/Resources/Private/Templates/Module/Administration/Users/Index.html

@@ -6,9 +6,10 @@
 		<f:form action="index">
 			<div class="neos-search-bar">
 				<f:spaceless>
-					<button class="neos-button"><i class="fas fa-search"></i></button>
 					<f:form.textfield type="search" name="searchTerm" placeholder="{neos:backend.translate(id: 'search', package: 'Neos.Neos')}" value="{searchTerm}" autofocus="autofocus" />
 					<f:link.action action="index" class="neos-button"><i class="fas fa-times"></i></f:link.action>
+					<f:form.select options="{allowedRoles}" name="role" value="{role}" optionLabelField="label" prependOptionLabel="Any role" prependOptionValue="" />
+					<button class="neos-button"><i class="fas fa-search"></i></button>
 				</f:spaceless>
 			</div>
 		</f:form>