Added Create and Delete tag actions

module/Rest/src/Action/Tag/CreateTagsAction.php

@@ -0,0 +1,57 @@
+<?php
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Rest\Action\Tag;
+
+use Acelaya\ZsmAnnotatedServices\Annotation as DI;
+use Interop\Http\ServerMiddleware\DelegateInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Log\LoggerInterface;
+use Shlinkio\Shlink\Core\Service\Tag\TagService;
+use Shlinkio\Shlink\Core\Service\Tag\TagServiceInterface;
+use Shlinkio\Shlink\Rest\Action\AbstractRestAction;
+use Zend\Diactoros\Response\JsonResponse;
+
+class CreateTagsAction extends AbstractRestAction
+{
+    /**
+     * @var TagServiceInterface
+     */
+    private $tagService;
+
+    /**
+     * CreateTagsAction constructor.
+     * @param TagServiceInterface $tagService
+     * @param LoggerInterface|null $logger
+     *
+     * @DI\Inject({TagService::class, LoggerInterface::class})
+     */
+    public function __construct(TagServiceInterface $tagService, LoggerInterface $logger = null)
+    {
+        parent::__construct($logger);
+        $this->tagService = $tagService;
+    }
+
+    /**
+     * Process an incoming server request and return a response, optionally delegating
+     * to the next middleware component to create the response.
+     *
+     * @param ServerRequestInterface $request
+     * @param DelegateInterface $delegate
+     *
+     * @return ResponseInterface
+     * @throws \InvalidArgumentException
+     */
+    public function process(ServerRequestInterface $request, DelegateInterface $delegate)
+    {
+        $body = $request->getParsedBody();
+        $tags = isset($body['tags']) ? $body['tags'] : [];
+
+        return new JsonResponse([
+            'tags' => [
+                'data' => $this->tagService->createTags($tags)->toArray(),
+            ],
+        ]);
+    }
+}

module/Rest/src/Action/Tag/DeleteTagsAction.php

@@ -0,0 +1,53 @@
+<?php
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Rest\Action\Tag;
+
+use Acelaya\ZsmAnnotatedServices\Annotation as DI;
+use Interop\Http\ServerMiddleware\DelegateInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Log\LoggerInterface;
+use Shlinkio\Shlink\Core\Service\Tag\TagService;
+use Shlinkio\Shlink\Core\Service\Tag\TagServiceInterface;
+use Shlinkio\Shlink\Rest\Action\AbstractRestAction;
+use Zend\Diactoros\Response\EmptyResponse;
+
+class DeleteTagsAction extends AbstractRestAction
+{
+    /**
+     * @var TagServiceInterface
+     */
+    private $tagService;
+
+    /**
+     * DeleteTagsAction constructor.
+     * @param TagServiceInterface $tagService
+     * @param LoggerInterface|null $logger
+     *
+     * @DI\Inject({TagService::class, LoggerInterface::class})
+     */
+    public function __construct(TagServiceInterface $tagService, LoggerInterface $logger = null)
+    {
+        parent::__construct($logger);
+        $this->tagService = $tagService;
+    }
+
+    /**
+     * Process an incoming server request and return a response, optionally delegating
+     * to the next middleware component to create the response.
+     *
+     * @param ServerRequestInterface $request
+     * @param DelegateInterface $delegate
+     *
+     * @return ResponseInterface
+     */
+    public function process(ServerRequestInterface $request, DelegateInterface $delegate)
+    {
+        $query = $request->getQueryParams();
+        $tags = isset($query['tags']) ? $query['tags'] : [];
+
+        $this->tagService->deleteTags($tags);
+        return new EmptyResponse();
+    }
+}