Refactor subscription form processing

[MAILPOET-1689]

lib/Config/Hooks.php

@@ -3,9 +3,17 @@
 namespace MailPoet\Config;
 
 use MailPoet\Models\Setting;
-use MailPoet\WP\Posts as WPPosts;
+use MailPoetVendor\Psr\Container\ContainerInterface;
 
 class Hooks {
+
+  /** @var ContainerInterface */
+  private $container;
+
+  function __construct(ContainerInterface $container) {
+    $this->container = $container;
+  }
+
   function init() {
     $this->setupWPUsers();
     $this->setupImageSize();
@@ -93,11 +101,11 @@ class Hooks {
     // Subscription form
     add_action(
       'admin_post_mailpoet_subscription_form',
-      '\MailPoet\Subscription\Form::onSubmit'
+      [$this, 'subscriptionFormOnSubmit']
     );
     add_action(
       'admin_post_nopriv_mailpoet_subscription_form',
-      '\MailPoet\Subscription\Form::onSubmit'
+      [$this, 'subscriptionFormOnSubmit']
     );
   }
 
@@ -173,4 +181,9 @@ class Hooks {
       10, 3
     );
   }
+
+  // Callbacks
+  function subscriptionFormOnSubmit($data = false) {
+    $this->container->get(\MailPoet\Subscription\Form::class)->onSubmit($data);
+  }
 }

lib/Config/Initializer.php

@@ -282,8 +282,7 @@ class Initializer {
   }
 
   function setupHooks() {
-    $hooks = new Hooks();
-    $hooks->init();
+    $this->container->get(\MailPoet\Config\Hooks::class)->init();
   }
 
   function setupPrivacyPolicy() {

lib/DI/ContainerConfigurator.php

@@ -50,6 +50,10 @@ class ContainerConfigurator implements IContainerConfigurator {
     $container->autowire(\MailPoet\API\JSON\v1\Subscribers::class)->setPublic(true);
     // Config
     $container->autowire(\MailPoet\Config\AccessControl::class)->setPublic(true);
+    $container->autowire(\MailPoet\Config\Hooks::class)
+      ->addArgument(new Reference(ContainerWrapper::class))
+      ->setPublic(true);
+
     // Cron
     $container->autowire(\MailPoet\Cron\Daemon::class)->setPublic(true);
     $container->autowire(\MailPoet\Cron\DaemonHttpRunner::class)->setPublic(true);
@@ -62,6 +66,8 @@ class ContainerConfigurator implements IContainerConfigurator {
     $container->autowire(\MailPoet\Subscribers\NewSubscriberNotificationMailer::class)->setPublic(true);
     $container->autowire(\MailPoet\Subscribers\ConfirmationEmailMailer::class)->setPublic(true);
     $container->autowire(\MailPoet\Subscribers\RequiredCustomFieldValidator::class)->setPublic(true);
+    // Subscription
+    $container->autowire(\MailPoet\Subscription\Form::class)->setPublic(true);
     // Newsletter
     $container->autowire(\MailPoet\Newsletter\AutomatedLatestContent::class)->setPublic(true);
     return $container;

lib/Subscription/Form.php

@@ -2,17 +2,24 @@
 
 namespace MailPoet\Subscription;
 
-use MailPoet\API\API as API;
+use MailPoet\API\JSON\API;
 use MailPoet\API\JSON\Response as APIResponse;
 use MailPoet\Util\Url as UrlHelper;
 
 class Form {
-  static function onSubmit($request_data = false) {
+
+  /** @var API */
+  private $api;
+
+  function __construct(API $api) {
+    $this->api = $api;
+  }
+
+  function onSubmit($request_data = false) {
     $request_data = ($request_data) ? $request_data : $_REQUEST;
-    $api = API::JSON();
-    $api->setRequestData($request_data);
+    $this->api->setRequestData($request_data);
     $form_id = (!empty($request_data['data']['form_id'])) ? (int)$request_data['data']['form_id'] : false;
-    $response = $api->processRoute();
+    $response = $this->api->processRoute();
     if($response->status !== APIResponse::STATUS_OK) {
       return UrlHelper::redirectBack(
         array(

tests/integration/Config/HooksTest.php

@@ -2,11 +2,12 @@
 namespace MailPoet\Test\Config;
 
 use MailPoet\Config\Hooks;
+use MailPoet\DI\ContainerWrapper;
 use MailPoet\WP\Posts as WPPosts;
 
 class HooksTest extends \MailPoetTest {
   function testItHooksSchedulerToMultiplePostTypes() {
-    $hooks = new Hooks();
+    $hooks = new Hooks(ContainerWrapper::getInstance());
     $hooks->setupPostNotifications();
     expect(has_filter('transition_post_status', '\MailPoet\Newsletter\Scheduler\Scheduler::transitionHook'))->notEmpty();
   }

tests/integration/Newsletter/Scheduler/SchedulerTest.php

@@ -4,6 +4,7 @@ namespace MailPoet\Test\Newsletter\Scheduler;
 use Carbon\Carbon;
 use Codeception\Util\Fixtures;
 use Mailpoet\Config\Hooks;
+use MailPoet\DI\ContainerWrapper;
 use MailPoet\Models\Newsletter;
 use MailPoet\Models\NewsletterOption;
 use MailPoet\Models\NewsletterOptionField;
@@ -696,7 +697,7 @@ class SchedulerTest extends \MailPoetTest {
   }
 
   function testUnsearchablePostTypeDoesNotSchedulePostNotification() {
-    $hook = new Hooks;
+    $hook = new Hooks(ContainerWrapper::getInstance());
 
     $newsletter = $this->_createNewsletter(Newsletter::TYPE_NOTIFICATION);
 

tests/integration/Subscription/FormTest.php

@@ -2,6 +2,7 @@
 namespace MailPoet\Test\Subscription;
 
 use AspectMock\Test as Mock;
+use MailPoet\DI\ContainerWrapper;
 use MailPoet\Form\Util\FieldNameObfuscator;
 use MailPoet\Models\Form as FormModel;
 use MailPoet\Models\Segment as SegmentModel;
@@ -12,6 +13,10 @@ use MailPoet\Subscription\Form;
 use MailPoet\Util\Security;
 
 class FormTest extends \MailPoetTest {
+
+  /** @var Form */
+  private $form_controller;
+
   function _before() {
     Setting::setValue('sender', array(
       'name' => 'John Doe',
@@ -58,6 +63,7 @@ class FormTest extends \MailPoetTest {
       )
     );
     SettingModel::setValue('signup_confirmation.enabled', false);
+    $this->form_controller = ContainerWrapper::getInstance()->get(Form::class);
   }
 
   function testItSubscribesAndRedirectsBackWithSuccessResponse() {
@@ -66,7 +72,7 @@ class FormTest extends \MailPoetTest {
         return $params;
       }
     ]);
-    $result = Form::onSubmit($this->request_data);
+    $result = $this->form_controller->onSubmit($this->request_data);
     expect(SubscriberModel::findOne($this->testEmail))->notEmpty();
     $mock->verifyInvoked('redirectBack');
     expect($result['mailpoet_success'])->equals($this->form->id);
@@ -89,7 +95,7 @@ class FormTest extends \MailPoetTest {
         return $params;
       }
     ]);
-    $result = Form::onSubmit($this->request_data);
+    $result = $this->form_controller->onSubmit($this->request_data);
     expect(SubscriberModel::findOne($this->testEmail))->notEmpty();
     $mock->verifyInvoked('redirectTo');
     expect($result)->regExp('/http.*?sample-post/i');
@@ -104,7 +110,7 @@ class FormTest extends \MailPoetTest {
         return $params;
       }
     ]);
-    $result = Form::onSubmit($request_data);
+    $result = $this->form_controller->onSubmit($request_data);
     expect(SubscriberModel::findMany())->isEmpty();
     $mock->verifyInvoked('redirectBack');
     expect($result['mailpoet_error'])->equals($this->form->id);