Merge pull request #50 from Saeven/feature/view-helpers

Adding in some view helpers.

config/module.config.php

@@ -10,6 +10,8 @@
 use CirclicalUser\Factory\Mapper\UserMapperFactory;
 use CirclicalUser\Factory\Service\AccessServiceFactory;
 use CirclicalUser\Factory\Strategy\RedirectStrategyFactory;
+use CirclicalUser\Factory\View\Helper\ControllerAccessViewHelperFactory;
+use CirclicalUser\Factory\View\Helper\RoleAccessViewHelperFactory;
 use CirclicalUser\Listener\AccessListener;
 use CirclicalUser\Listener\UserEntityListener;
 use CirclicalUser\Mapper\GroupPermissionMapper;
@@ -23,6 +25,8 @@
 use CirclicalUser\Service\AuthenticationService;
 use CirclicalUser\Factory\Service\AuthenticationServiceFactory;
 use CirclicalUser\Strategy\RedirectStrategy;
+use CirclicalUser\View\Helper\ControllerAccessViewHelper;
+use CirclicalUser\View\Helper\RoleAccessViewHelper;
 use Doctrine\ORM\Mapping\Driver\AnnotationDriver;
 
 return [
@@ -80,7 +84,6 @@
     ],
 
     'service_manager' => [
-
         'factories' => [
             AuthenticationService::class => AuthenticationServiceFactory::class,
             AccessService::class => AccessServiceFactory::class,
@@ -95,6 +98,18 @@
         ],
     ],
 
+    'view_helpers' => [
+        'aliases' => [
+            'canAccessController' => ControllerAccessViewHelper::class,
+            'hasRole' => RoleAccessViewHelper::class,
+        ],
+
+        'factories' => [
+            ControllerAccessViewHelper::class => ControllerAccessViewHelperFactory::class,
+            RoleAccessViewHelper::class => RoleAccessViewHelperFactory::class,
+        ],
+    ],
+
     'controllers' => [
         'factories' => [
             CliController::class => CliControllerFactory::class,

src/CirclicalUser/Factory/View/Helper/ControllerAccessViewHelperFactory.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace CirclicalUser\Factory\View\Helper;
+
+use CirclicalUser\Service\AccessService;
+use CirclicalUser\View\Helper\ControllerAccessViewHelper;
+use Interop\Container\ContainerInterface;
+use Zend\ServiceManager\Factory\FactoryInterface;
+
+class ControllerAccessViewHelperFactory implements FactoryInterface
+{
+    public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
+    {
+        return new ControllerAccessViewHelper(
+            $container->get(AccessService::class)
+        );
+    }
+}
+

src/CirclicalUser/Factory/View/Helper/RoleAccessViewHelperFactory.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace CirclicalUser\Factory\View\Helper;
+
+use CirclicalUser\Service\AccessService;
+use Interop\Container\ContainerInterface;
+use Zend\ServiceManager\Factory\FactoryInterface;
+use CirclicalUser\View\Helper\RoleAccessViewHelper;
+
+class RoleAccessViewHelperFactory implements FactoryInterface
+{
+    public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
+    {
+        return new RoleAccessViewHelper(
+            $container->get(AccessService::class)
+        );
+    }
+}
+

src/CirclicalUser/View/Helper/ControllerAccessViewHelper.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace CirclicalUser\View\Helper;
+
+use CirclicalUser\Service\AccessService;
+use Zend\View\Helper\AbstractHelper;
+
+class ControllerAccessViewHelper extends AbstractHelper
+{
+    private $accessService;
+
+    public function __construct(AccessService $accessService)
+    {
+        $this->accessService = $accessService;
+    }
+
+    /**
+     * canAccessController
+     */
+    public function __invoke(string $controllerName): bool
+    {
+        return $this->accessService->canAccessController($controllerName);
+    }
+}
+

src/CirclicalUser/View/Helper/RoleAccessViewHelper.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace CirclicalUser\View\Helper;
+
+use CirclicalUser\Service\AccessService;
+use Zend\View\Helper\AbstractHelper;
+
+class RoleAccessViewHelper extends AbstractHelper
+{
+    private $accessService;
+
+    public function __construct(AccessService $accessService)
+    {
+        $this->accessService = $accessService;
+    }
+
+    /**
+     * hasRole
+     */
+    public function __invoke($roleNameOrList): bool
+    {
+        $roles = $roleNameOrList;
+        if (is_string($roleNameOrList)) {
+            $roles = [$roleNameOrList];
+        }
+
+        foreach ($roles as $roleName) {
+            if ($this->accessService->hasRoleWithName($roleName)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}
+