school service, inputfilter; use in createschool in sch_sync; update delete teacher like asset

config/settings/schools.global.php

@@ -13,8 +13,7 @@ return [
             'routes'    => [
                 ['/school', ['school'], ['get']],
                 ['/school/labs', ['school'], ['get']],
-                ['/school/staff', ['school'], ['get', 'post']],
-                ['/school/staff/{id:[1-9][0-9]*}', ['school'], ['delete']],
+                ['/school/staff', ['school'], ['get', 'post', 'delete']],
                 ['/school/assets', ['school'], ['get', 'post', 'delete']],
             ],
         ],

module/sch_sync/bootstrap.php

 <?php
+
+use GrEduLabs\Schools\InputFilter\School as SchoolInputFilter;
+use GrEduLabs\Schools\Service\SchoolServiceInterface;
+use SchMM\FetchUnit;
+use SchSync\Middleware\CreateSchool;
+use SchSync\Middleware\CreateUser;
+use Slim\App;
 /**
  * gredu_labs.
  * 
@@ -8,7 +15,7 @@
  * @license GNU GPLv3 http://www.gnu.org/licenses/gpl-3.0-standalone.html
  */
 
-return function (Slim\App $app) {
+return function (App $app) {
 
     $container = $app->getContainer();
     $events    = $container['events'];
@@ -18,33 +25,35 @@ return function (Slim\App $app) {
     });
 
     $events('on', 'app.services', function ($stop, $container) {
-        $container[SchSync\Middleware\CreateUser::class] = function ($c) {
-            return new SchSync\Middleware\CreateUser(
-                $c['authentication_service'],
-                $c['router']->pathFor('user.login'),
-                $c['router']->pathFor('user.logout.sso'),
-                $c['flash'],
-                $c['logger']
+        $container[CreateUser::class] = function ($c) {
+            return new CreateUser(
+                $c->get('authentication_service'),
+                $c->get('router')->pathFor('user.login'),
+                $c->get('router')->pathFor('user.logout.sso'),
+                $c->get('flash'),
+                $c->get('logger')
             );
         };
-        $container[SchSync\Middleware\CreateSchool::class] = function ($c) {
-            return new SchSync\Middleware\CreateSchool(
-                $c['ldap'],
-                $c[SchMM\FetchUnit::class],
-                $c['authentication_service'],
-                $c['router']->pathFor('user.login'),
-                $c['router']->pathFor('user.logout.sso'),
-                $c['flash'],
-                $c['logger']
+        $container[CreateSchool::class] = function ($c) {
+            return new CreateSchool(
+                $c->get('ldap'),
+                $c->get(FetchUnit::class),
+                $c->get('authentication_service'),
+                $c->get(SchoolServiceInterface::class),
+                $c->get(SchoolInputFilter::class),
+                $c->get('router')->pathFor('user.login'),
+                $c->get('router')->pathFor('user.logout.sso'),
+                $c->get('flash'),
+                $c->get('logger')
             );
         };
     });
 
     $events('on', 'app.bootstrap', function ($stop, $app, $container) {
-        foreach ($container['router']->getRoutes() as $route) {
+        foreach ($container->get('router')->getRoutes() as $route) {
             if ('user.login.sso' === $route->getName()) {
-                $route->add(SchSync\Middleware\CreateUser::class)
-                    ->add(SchSync\Middleware\CreateSchool::class);
+                $route->add(CreateUser::class)
+                    ->add(CreateSchool::class);
                 break;
             }
         }

module/sch_sync/src/Middleware/CreateSchool.php

@@ -10,7 +10,10 @@
 
 namespace SchSync\Middleware;
 
+use Exception;
 use GrEduLabs\Authentication\Identity;
+use GrEduLabs\Schools\InputFilter\School as SchoolInputFilter;
+use GrEduLabs\Schools\Service\SchoolServiceInterface;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Log\LoggerInterface;
@@ -38,6 +41,18 @@ class CreateSchool
      */
     private $authService;
 
+    /**
+     *
+     * @var SchoolServiceInterface
+     */
+    private $schoolService;
+
+    /**
+     *
+     * @var SchoolInputFilter
+     */
+    private $schoolInputFilter;
+
     /**
      * @var string
      */
@@ -62,6 +77,8 @@ class CreateSchool
         Ldap $ldap,
         callable $fetchUnitFromMM,
         AuthenticationServiceInterface $authService,
+        SchoolServiceInterface $schoolService,
+        SchoolInputFilter $schoolInputFilter,
         $unitNotFoundRedirectUrl,
         $ssoLogoutUrl,
         Messages $flash,
@@ -70,6 +87,8 @@ class CreateSchool
         $this->ldap                    = $ldap;
         $this->fetchUnit               = $fetchUnitFromMM;
         $this->authService             = $authService;
+        $this->schoolService           = $schoolService;
+        $this->schoolInputFilter       = $schoolInputFilter;
         $this->unitNotFoundRedirectUrl = (string) $unitNotFoundRedirectUrl;
         $this->ssoLogoutUrl            = (string) $ssoLogoutUrl;
         $this->flash                   = $flash;
@@ -113,33 +132,36 @@ class CreateSchool
         $school = R::findOne('school', 'registry_no = ?', [$registryNo]);
         try {
             if (!$school) {
-                R::begin();
-                $school                     = R::dispense('school');
-                $school->registry_no        = $unit['registry_no'];
-                $school->name               = $unit['name'];
-                $school->street_address     = $unit['street_address'];
-                $school->postal_code        = $unit['postal_code'];
-                $school->phone_number       = $unit['phone_number'];
-                $school->fax_number         = $unit['fax_number'];
-                $school->email              = $unit['email'];
-                $school->municipality       = $unit['municipality'];
-                $school->schooltype_id      = $unit['unit_type_id'];
-                $school->prefecture_id      = $unit['prefecture_id'];
-                $school->educationlevel_id  = $unit['education_level_id'];
-                $school->eduadmin_id        = $unit['edu_admin_id'];
-                $school->created            = time();
-                $school->creator            = $identity->mail;
-                $school_id                  = R::store($school);
-                $this->logger->info(sprintf('School %s imported from MM to database', $registryNo), ['creator' => $identity->mail]);
+                $data = [
+                    'id'                => '',
+                    'registry_no'       => $unit['registry_no'],
+                    'name'              => $unit['name'],
+                    'street_address'    => $unit['street_address'],
+                    'postal_code'       => $unit['postal_code'],
+                    'phone_number'      => $unit['phone_number'],
+                    'fax_number'        => $unit['fax_number'],
+                    'email'             => $unit['email'],
+                    'municipality'      => $unit['municipality'],
+                    'schooltype_id'     => $unit['unit_type_id'],
+                    'prefecture_id'     => $unit['prefecture_id'],
+                    'educationlevel_id' => $unit['education_level_id'],
+                    'eduadmin_id'       => $unit['edu_admin_id'],
+                    'creator'           => $identity->mail,
+                ];
+                $filtered = call_user_func($this->schoolInputFilter, $data);
+                if (!$filtered['is_valid']) {
+                    $this->logger->error('Invalid data', $filtered);
+                    throw new Exception('Invalid data');
+                }
+                $school = $this->schoolService->createSchool($filtered['values']);
+                $this->logger->info(sprintf('School %s imported from MM to database', $registryNo), $filtered['values']);
 
                 $user            = R::load('user', $identity->id);
-                $user->school_id = $school_id;
+                $user->school_id = $school['id'];
                 R::store($user);
                 $this->logger->info(sprintf('Set school %s to user %s', $registryNo, $identity->mail));
-                R::commit();
             }
-        } catch (\Exception $e) {
-            R::rollback();
+        } catch (Exception $e) {
             $this->logger->error(sprintf('Problem inserting school %s form MM in database', $registryNo));
             $this->logger->debug('Exception', [$e->getMessage(), $e->getTraceAsString()]);
 

module/schools/bootstrap.php

@@ -8,6 +8,11 @@
  * @license GNU GPLv3 http://www.gnu.org/licenses/gpl-3.0-standalone.html
  */
 
+use GrEduLabs\Schools\Action;
+use GrEduLabs\Schools\InputFilter;
+use GrEduLabs\Schools\Middleware;
+use GrEduLabs\Schools\Service;
+
 return function (Slim\App $app) {
 
     $container = $app->getContainer();
@@ -21,130 +26,136 @@ return function (Slim\App $app) {
 
         // actions
 
-        $container[GrEduLabs\Schools\Action\Index::class] = function ($c) {
-            return new GrEduLabs\Schools\Action\Index(
+        $container[Action\Index::class] = function ($c) {
+            return new Action\Index(
                  $c->get('view'),
-                 $c->get('schoolservice')
+                 $c->get(Service\SchoolServiceInterface::class)
             );
         };
 
-        $container[GrEduLabs\Schools\Action\Staff\ListAll::class] = function ($c) {
-            return new GrEduLabs\Schools\Action\Staff\ListAll(
+        $container[Action\Staff\ListAll::class] = function ($c) {
+            return new Action\Staff\ListAll(
                 $c->get('view'),
-                $c->get(GrEduLabs\Schools\Service\StaffServiceInterface::class)
+                $c->get(Service\StaffServiceInterface::class)
             );
         };
 
-        $container[GrEduLabs\Schools\Action\Staff\PersistTeacher::class] = function ($c) {
-            return new GrEduLabs\Schools\Action\Staff\PersistTeacher(
-                $c->get(GrEduLabs\Schools\Service\StaffServiceInterface::class)
+        $container[Action\Staff\PersistTeacher::class] = function ($c) {
+            return new Action\Staff\PersistTeacher(
+                $c->get(Service\StaffServiceInterface::class)
             );
         };
 
-        $container[GrEduLabs\Schools\Action\Staff\DeleteTeacher::class] = function ($c) {
-            return new GrEduLabs\Schools\Action\Staff\DeleteTeacher(
-                $c->get(GrEduLabs\Schools\Service\StaffServiceInterface::class)
+        $container[Action\Staff\DeleteTeacher::class] = function ($c) {
+            return new Action\Staff\DeleteTeacher(
+                $c->get(Service\StaffServiceInterface::class)
             );
         };
 
-        $container[GrEduLabs\Schools\Action\Labs::class] = function ($c) {
-            return new GrEduLabs\Schools\Action\Labs(
+        $container[Action\Labs::class] = function ($c) {
+            return new Action\Labs(
                 $c->get('view')
             );
         };
 
-        $container[GrEduLabs\Schools\Action\LabCreate::class] = function ($c) {
-            return new GrEduLabs\Schools\Action\LabCreate(
+        $container[Action\LabCreate::class] = function ($c) {
+            return new Action\LabCreate(
                  $c->get('labservice')
             );
         };
 
-        $container[GrEduLabs\Schools\Action\Assets\ListAssets::class] = function ($c) {
-            return new GrEduLabs\Schools\Action\Assets\ListAssets(
+        $container[Action\Assets\ListAssets::class] = function ($c) {
+            return new Action\Assets\ListAssets(
                 $c->get('view'),
-                $c->get(GrEduLabs\Schools\Service\AssetServiceInterface::class),
-                $c->get(GrEduLabs\Schools\Service\SchoolAssetsInterface::class),
-                $c->get(GrEduLabs\Schools\Service\LabServiceInterface::class)
+                $c->get(Service\AssetServiceInterface::class),
+                $c->get(Service\SchoolAssetsInterface::class),
+                $c->get(Service\LabServiceInterface::class)
             );
         };
 
-        $container[GrEduLabs\Schools\Action\Assets\PersistAsset::class] = function ($c) {
-            return new GrEduLabs\Schools\Action\Assets\PersistAsset(
-                $c->get(GrEduLabs\Schools\Service\SchoolAssetsInterface::class)
+        $container[Action\Assets\PersistAsset::class] = function ($c) {
+            return new Action\Assets\PersistAsset(
+                $c->get(Service\SchoolAssetsInterface::class)
             );
         };
 
-        $container[GrEduLabs\Schools\Action\Assets\DeleteAsset::class] = function ($c) {
-            return new GrEduLabs\Schools\Action\Assets\DeleteAsset(
-                $c->get(GrEduLabs\Schools\Service\SchoolAssetsInterface::class)
+        $container[Action\Assets\DeleteAsset::class] = function ($c) {
+            return new Action\Assets\DeleteAsset(
+                $c->get(Service\SchoolAssetsInterface::class)
             );
         };
 
         // services
 
         $container['schoolservice'] = function ($c) {
-            return $c->get(GrEduLabs\Schools\Service\SchoolServiceInterface::class);
+            return $c->get(Service\SchoolServiceInterface::class);
         };
 
         $container['staffservice'] = function ($c) {
-            return $c->get(GrEduLabs\Schools\Service\StaffServiceInterface::class);
+            return $c->get(Service\StaffServiceInterface::class);
         };
 
         $container['labservice'] = function ($c) {
-            return $c->get(GrEduLabs\Schools\Service\LabServiceInterface::class);
+            return $c->get(Service\LabServiceInterface::class);
         };
 
-        $container[GrEduLabs\Schools\Service\SchoolServiceInterface::class] = function ($c) {
-            return new GrEduLabs\Schools\Service\SchoolService();
+        $container[Service\SchoolServiceInterface::class] = function ($c) {
+            return new Service\SchoolService();
         };
 
-        $container[GrEduLabs\Schools\Service\StaffServiceInterface::class] = function ($c) {
-            return new GrEduLabs\Schools\Service\StaffService();
+        $container[Service\StaffServiceInterface::class] = function ($c) {
+            return new Service\StaffService();
         };
 
-        $container[GrEduLabs\Schools\Service\LabServiceInterface::class] = function ($c) {
-            return new GrEduLabs\Schools\Service\LabService(
-                $c->get(GrEduLabs\Schools\Service\SchoolServiceInterface::class),
-                $c->get(GrEduLabs\Schools\Service\StaffServiceInterface::class)
+        $container[Service\LabServiceInterface::class] = function ($c) {
+            return new Service\LabService(
+                $c->get(Service\SchoolServiceInterface::class),
+                $c->get(Service\StaffServiceInterface::class)
             );
         };
 
-        $container[GrEduLabs\Schools\Service\AssetServiceInterface::class] = function ($c) {
-            return new GrEduLabs\Schools\Service\AssetService();
+        $container[Service\AssetServiceInterface::class] = function ($c) {
+            return new Service\AssetService();
         };
 
-        $container[GrEduLabs\Schools\Service\SchoolAssetsInterface::class] = function ($c) {
-            return $c->get(GrEduLabs\Schools\Service\AssetServiceInterface::class);
+        $container[Service\SchoolAssetsInterface::class] = function ($c) {
+            return $c->get(Service\AssetServiceInterface::class);
         };
 
         // middleware 
 
-        $container[GrEduLabs\Schools\Middleware\InputFilterTeacher::class] = function ($c) {
-            return new GrEduLabs\Schools\Middleware\InputFilterTeacher(
-                $c->get(GrEduLabs\Schools\InputFilter\Teacher::class)
+        $container[Middleware\InputFilterTeacher::class] = function ($c) {
+            return new Middleware\InputFilterTeacher(
+                $c->get(InputFilter\Teacher::class)
             );
         };
 
-        $container[GrEduLabs\Schools\Middleware\InputFilterSchoolAsset::class] = function ($c) {
-            return new GrEduLabs\Schools\Middleware\InputFilterSchoolAsset(
-                $c->get(GrEduLabs\Schools\InputFilter\SchoolAsset::class)
+        $container[Middleware\InputFilterSchoolAsset::class] = function ($c) {
+            return new Middleware\InputFilterSchoolAsset(
+                $c->get(InputFilter\SchoolAsset::class)
             );
         };
 
-        $container[GrEduLabs\Schools\Middleware\FetchSchoolFromIdentity::class] = function ($c) {
-            return new GrEduLabs\Schools\Middleware\FetchSchoolFromIdentity($c['authentication_service']);
+        $container[Middleware\FetchSchoolFromIdentity::class] = function ($c) {
+            return new Middleware\FetchSchoolFromIdentity($c['authentication_service']);
         };
 
         // inputfilters
 
-        $container[GrEduLabs\Schools\InputFilter\Teacher::class] = function ($c) {
-            return new GrEduLabs\Schools\InputFilter\Teacher();
+        $container[InputFilter\Teacher::class] = function ($c) {
+            return new InputFilter\Teacher();
+        };
+
+        $container[InputFilter\SchoolAsset::class] = function ($c) {
+            return new InputFilter\SchoolAsset(
+                $c->get(Service\LabServiceInterface::class),
+                $c->get(Service\AssetServiceInterface::class)
+            );
         };
 
-        $container[GrEduLabs\Schools\InputFilter\SchoolAsset::class] = function ($c) {
-            return new GrEduLabs\Schools\InputFilter\SchoolAsset(
-                $c->get(GrEduLabs\Schools\Service\LabServiceInterface::class),
-                $c->get(GrEduLabs\Schools\Service\AssetServiceInterface::class)
+        $container[InputFilter\School::class] = function ($c) {
+            return new InputFilter\School(
+                $c->get(Service\SchoolServiceInterface::class)
             );
         };
 
@@ -155,23 +166,21 @@ return function (Slim\App $app) {
 
         $app->group('/school', function () {
 
-            $this->get('', GrEduLabs\Schools\Action\Index::class)->setName('school');
+            $this->get('', Action\Index::class)->setName('school');
 
-            $this->get('/staff', GrEduLabs\Schools\Action\Staff\ListAll::class)->setName('school.staff');
-            $this->post('/staff', GrEduLabs\Schools\Action\Staff\PersistTeacher::class)
-                ->add(GrEduLabs\Schools\Middleware\InputFilterTeacher::class)
-                ->setName('school.staffcreate');
-            $this->delete('/staff/{id:[1-9][0-9]*}', GrEduLabs\Schools\Action\Staff\DeleteTeacher::class)
-                ->setName('school.staffdelete');
+            $this->get('/staff', Action\Staff\ListAll::class)->setName('school.staff');
+            $this->post('/staff', Action\Staff\PersistTeacher::class)
+                ->add(Middleware\InputFilterTeacher::class);
+            $this->delete('/staff', Action\Staff\DeleteTeacher::class);
 
-            $this->get('/labs', GrEduLabs\Schools\Action\Labs::class)->setName('school.labs');
-            $this->post('/labs', GrEduLabs\Schools\Action\LabCreate::class)->setName('school.labcreate');
+            $this->get('/labs', Action\Labs::class)->setName('school.labs');
+            $this->post('/labs', Action\LabCreate::class)->setName('school.labcreate');
 
-            $this->get('/assets', GrEduLabs\Schools\Action\Assets\ListAssets::class)->setName('school.assets');
-            $this->post('/assets', GrEduLabs\Schools\Action\Assets\PersistAsset::class)
-                ->add(GrEduLabs\Schools\Middleware\InputFilterSchoolAsset::class);
-            $this->delete('/assets', GrEduLabs\Schools\Action\Assets\DeleteAsset::class);
+            $this->get('/assets', Action\Assets\ListAssets::class)->setName('school.assets');
+            $this->post('/assets', Action\Assets\PersistAsset::class)
+                ->add(Middleware\InputFilterSchoolAsset::class);
+            $this->delete('/assets', Action\Assets\DeleteAsset::class);
 
-        })->add(GrEduLabs\Schools\Middleware\FetchSchoolFromIdentity::class);
+        })->add(Middleware\FetchSchoolFromIdentity::class);
     });
 };

module/schools/public/js/schools/staff.js

@@ -162,9 +162,12 @@
                 return;
             }
             $.ajax({
-                url: this.url + '/' + this.teacher.get('id'),
+                url: that.url,
                 type: 'delete',
-                dataType: 'json'
+                dataType: 'json',
+                data: {
+                    'id': that.teacher.get('id')
+                }
             }).done(function () {
                 that.model.remove(that.teacher.get('id'));
                 that.hide();

module/schools/src/Action/Assets.php

-<?php
-/**
- * gredu_labs.
- *
- * @link https://github.com/eellak/gredu_labs for the canonical source repository
- *
- * @copyright Copyright (c) 2008-2015 Greek Free/Open Source Software Society (https://gfoss.ellak.gr/)
- * @license GNU GPLv3 http://www.gnu.org/licenses/gpl-3.0-standalone.html
- */
-
-namespace GrEduLabs\Schools\Action;
-
-use Slim\Http\Request;
-use Slim\Http\Response;
-use Slim\Views\Twig;
-
-class Assets
-{
-    protected $view;
-
-    public function __construct(Twig $view)
-    {
-        $this->view = $view;
-    }
-
-    public function __invoke(Request $req, Response $res, array $args = [])
-    {
-        return $this->view->render($res, 'schools/assets.twig', [
-            'assets' => [
-                [
-                    'id'              => 1,
-                    'type'            => 1,
-                    'typeName'        => 'ΒΙΝΤΕΟΠΡΟΒΟΛΕΑΣ',
-                    'lab'             => 1,
-                    'labName'         => 'ΕΡΓΑΣΤΗΡΙΟ ΠΛΗΡΟΦ/ΚΗΣ 1',
-                    'quantity'        => 2,
-                    'acquisitionYear' => '2001',
-                    'comments'        => 'test',
-                ],
-                [
-                    'id'              => 2,
-                    'type'            => 3,
-                    'typeName'        => 'LAPTOP',
-                    'lab'             => 2,
-                    'labName'         => 'ΕΡΓΑΣΤΗΡΙΟ ΠΛΗΡΟΦ/ΚΗΣ 2',
-                    'quantity'        => 1,
-                    'acquisitionYear' => '2003',
-                    'comments'        => 'test',
-                ],
-                [
-                    'id'              => 3,
-                    'type'            => 2,
-                    'typeName'        => 'ΠΛΗΚΤΡΟΛΟΓΙΟ',
-                    'lab'             => 2,
-                    'labName'         => 'ΕΡΓΑΣΤΗΡΙΟ ΠΛΗΡΟΦ/ΚΗΣ 2',
-                    'quantity'        => 10,
-                    'acquisitionYear' => '2008',
-                    'comments'        => 'test',
-                ],
-            ],
-        ]);
-    }
-}

module/schools/src/Action/Index.php

@@ -28,7 +28,7 @@ class Index
         $school = $req->getAttribute('school');
 
         return $this->view->render($res, 'schools/index.twig', [
-            'school' => $school->export(),
+            'school' => $school,
         ]);
     }
 }

module/schools/src/Action/Staff/DeleteTeacher.php

@@ -28,13 +28,13 @@ class DeleteTeacher
         $this->staffService = $staffService;
     }
 
-    public function __invoke(Request $req, Response $res, array $args = [])
+    public function __invoke(Request $req, Response $res)
     {
         $school = $req->getAttribute('school', false);
         if (!$school->id) {
             return $res->withStatus(403, 'No school');
         }
-        $id = isset($args['id']) ? $args['id'] : false;
+        $id = $req->getParam('id', false);
 
         if (!$id) {
             $res = $res->withStatus(404);

module/schools/src/InputFilter/School.php

+<?php
+/**
+ * gredu_labs
+ * 
+ * @link https://github.com/eellak/gredu_labs for the canonical source repository
+ * @copyright Copyright (c) 2008-2015 Greek Free/Open Source Software Society (https://gfoss.ellak.gr/)
+ * @license GNU GPLv3 http://www.gnu.org/licenses/gpl-3.0-standalone.html
+ */
+
+namespace GrEduLabs\Schools\InputFilter;
+
+use Exception;
+use GrEduLabs\Schools\Service\SchoolServiceInterface;
+use Zend\Filter;
+use Zend\InputFilter\Input;
+use Zend\InputFilter\InputFilter;
+use Zend\Validator;
+
+class School
+{
+    use InputFilterTrait;
+
+    public function __construct(
+        SchoolServiceInterface $schoolService
+    ) {
+        $id = new Input('id');
+        $id->setRequired(false)
+            ->getValidatorChain()
+            ->attach(new Validator\Digits());
+
+        $registryNo = new Input('registry_no');
+        $registryNo->setRequired(true)
+            ->getValidatorChain()
+            ->attach(new Validator\NotEmpty())
+            ->attach(new Validator\Callback([
+                'callback' => function ($value, $context = []) use ($schoolService) {
+
+                    $id = isset($context['id']) ? $context['id'] : false;
+                    if (false === $id) {
+                        throw new Exception('No id in context');
+                    }
+
+                    try {
+                        $school = $schoolService->findSchoolByRegistryNo($value);
+                        if (!$school || (isset($school['id']) && !$school['id'])) {
+                            return true;
+                        }
+
+                        return $school['id'] == $id;
+                    } catch (Exception $ex) {
+                        return false;
+                    }
+                },
+                'messageTemplate' => 'Το σχολείο με κωδικό %value% υπάρχει ήδη',
+            ]));
+
+        $name = new Input('name');
+        $name->setRequired(true)
+            ->getFilterChain()