Refactor block registering

[MAILPOET-1798]

lib/PostEditorBlocks/SubscriptionFormBlock.php

@@ -0,0 +1,83 @@
+<?php
+
+namespace MailPoet\PostEditorBlocks;
+
+use MailPoet\Config\Env;
+use MailPoet\Config\Renderer;
+use MailPoet\Entities\FormEntity;
+use MailPoet\Form\FormsRepository;
+use MailPoet\Form\Widget;
+use MailPoet\WP\Functions as WPFunctions;
+
+class SubscriptionFormBlock {
+  /** @var Renderer */
+  private $renderer;
+
+  /** @var WPFunctions */
+  private $wp;
+
+  /** @var FormsRepository */
+  private $formsRepository;
+
+  public function __construct(
+    Renderer $renderer,
+    WPFunctions $wp,
+    FormsRepository $formsRepository
+  ) {
+    $this->renderer = $renderer;
+    $this->wp = $wp;
+    $this->formsRepository = $formsRepository;
+  }
+
+  public function init() {
+    $this->wp->registerBlockType('mailpoet/subscription-form-block-render', [
+      'attributes' => [
+        'form' => [
+          'type' => 'number',
+          'default' => null,
+        ],
+      ],
+      'render_callback' => [$this, 'renderForm'],
+    ]);
+  }
+
+  public function initAdmin() {
+    $this->wp->registerBlockType('mailpoet/subscription-form-block', [
+      'style' => 'mailpoetblock-form-block-css',
+      'editor_script' => 'mailpoet/subscription-form-block',
+    ]);
+
+    $this->wp->addAction('admin_head', function() {
+      $forms = $this->formsRepository->findAllNotDeleted();
+      ?>
+      <script type="text/javascript">
+        window.mailpoet_forms = <?php echo json_encode(array_map(function(FormEntity $form) {
+          return $form->toArray();
+        }, $forms)) ?>;
+        window.locale = {
+          selectForm: '<?php echo __('Select a MailPoet form', 'mailpoet') ?>',
+          createForm: '<?php echo __('Create a new form', 'mailpoet') ?>',
+          subscriptionForm: '<?php echo __('MailPoet Subscription Form', 'mailpoet') ?>',
+        };
+      </script>
+      <?php
+    });
+  }
+
+  public function initFrontend() {
+    $this->wp->registerBlockType('mailpoet/subscription-form-block', [
+      'render_callback' => [$this, 'renderForm'],
+    ]);
+  }
+
+  public function renderForm(array $attributes = []): string {
+    if (!$attributes || !isset($attributes['formId'])) {
+      return '';
+    }
+    $basicForm = new Widget();
+    return $basicForm->widget([
+      'form' => (int)$attributes['formId'],
+      'form_type' => 'html',
+    ]);
+  }
+}