Add Tags endpoint

[PREMIUM-213]

mailpoet/lib/API/JSON/v1/Tags.php

@@ -0,0 +1,54 @@
+<?php declare(strict_types = 1);
+
+namespace MailPoet\API\JSON\v1;
+
+use MailPoet\API\JSON\Endpoint as APIEndpoint;
+use MailPoet\Entities\TagEntity;
+use MailPoet\InvalidStateException;
+use MailPoet\Tags\TagRepository;
+
+class Tags extends APIEndpoint {
+
+  private $repository;
+
+  public function __construct(
+    TagRepository $repository
+  ) {
+    $this->repository = $repository;
+  }
+
+  public function save($data = []) {
+    if (!isset($data['name'])) {
+      throw InvalidStateException::create()->withError(
+        'tag_without_name',
+        __('A tag needs to have a name.', 'mailpoet')
+      );
+    }
+
+    $data['name'] = sanitize_text_field(wp_unslash($data['name']));
+    $data['description'] = isset($data['description']) ? sanitize_text_field(wp_unslash($data['description'])) : '';
+
+    return $this->successResponse(
+      $this->mapTagEntity($this->repository->createOrUpdate($data))
+    );
+  }
+
+  public function listing() {
+    return $this->successResponse(
+      array_map(
+        [$this, 'mapTagEntity'],
+        $this->repository->findAll()
+      )
+    );
+  }
+
+  private function mapTagEntity(TagEntity $tag): array {
+    return [
+      'id' => $tag->getId(),
+      'name' => $tag->getName(),
+      'description' => $tag->getDescription(),
+      'created' => $tag->getCreatedAt(),
+      'updated' => $tag->getUpdatedAt(),
+    ];
+  }
+}