Add data to template

[MAILPOET-3120]

lib/AdminPages/Pages/FormEditor.php

@@ -154,7 +154,7 @@ class FormEditor {
           'iframe'    => Export::get('iframe', $form),
           'shortcode' => Export::get('shortcode', $form),
       ],
-      'pages' => Pages::getAll(),
+      'mailpoet_pages' => Pages::getAll(),
       'segments' => Segment::getSegmentsWithSubscriberCount(),
       'styles' => $this->formRenderer->getCustomStyles($form),
       'date_types' => array_map(function ($label, $value) {
@@ -170,6 +170,10 @@ class FormEditor {
       'preview_page_url' => $this->getPreviewPageUrl(),
       'custom_fonts' => CustomFonts::FONTS,
       'translations' => $this->getGutenbergScriptsTranslations(),
+      'posts' => $this->getAllPosts(),
+      'pages' => $this->getAllPages(),
+      'categories' => $this->getAllCategories(),
+      'tags' => $this->getAllTags(),
     ];
     $this->wp->wpEnqueueMedia();
     $this->pageRenderer->displayPage('form/editor.html', $data);
@@ -254,4 +258,42 @@ class FormEditor {
     }
     return $translations;
   }
+
+  private function getAllPosts() {
+    return $this->formatPosts($this->wp->getPosts());
+  }
+
+  private function getAllPages() {
+    return $this->formatPosts($this->wp->getPages());
+  }
+
+  private function getAllCategories() {
+    return $this->formatTerms($this->wp->getCategories());
+  }
+
+  private function getAllTags() {
+    return $this->formatTerms($this->wp->getTags());
+  }
+
+  private function formatPosts($posts) {
+    $result = [];
+    foreach ($posts as $post) {
+      $result[] = [
+        'id' => $post->ID,
+        'name' => $post->post_title,// phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+      ];
+    }
+    return $result;
+  }
+
+  private function formatTerms($terms) {
+    $result = [];
+    foreach ($terms as $term) {
+      $result[] = [
+        'id' => $term->term_id,// phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+        'name' => $term->name,
+      ];
+    }
+    return $result;
+  }
 }