Feature/first release

Oprócz zmiany namespace dodana klasa ApiClientOptions i małe testy.

src/Client/CachedClient.php

+<?php
+
+namespace WPDesk\ApiClient\Client;
+
+use Psr\SimpleCache\CacheInterface;
+use WPDesk\Cache\CacheDispatcher;
+use WPDesk\Cache\CacheItemCreator;
+use WPDesk\Cache\CacheItemVerifier;
+use WPDesk\HttpClient\HttpClient;
+use WPDesk\ApiClient\Request\Request;
+use WPDesk\ApiClient\Response\Response;
+use WPDesk\ApiClient\Serializer\Serializer;
+
+class CachedClient implements Client, CacheItemCreator, CacheItemVerifier
+{
+
+    /** @var Client */
+    private $client;
+
+    /** @var CacheInterface */
+    private $cache;
+
+    /**
+     * @var CacheDispatcher
+     */
+    private $cacheDispatcher;
+
+    /**
+     * CachedClient constructor.
+     * @param Client $decorated Decorated client
+     * @param CacheInterface $cache
+     */
+    public function __construct(Client $decorated, CacheInterface $cache)
+    {
+        $this->client = $decorated;
+        $this->cache = $cache;
+        $this->cacheDispatcher = new CacheDispatcher($cache, [new RequestCacheInfoResolver()]);
+    }
+
+    /**
+     * Create item to cache.
+     *
+     * @param Request $request
+     * @return Response
+     */
+    public function createCacheItem($request)
+    {
+        return $this->client->sendRequest($request);
+    }
+
+    /**
+     * Verify cache item.
+     *
+     * @param $object
+     * @return Response;
+     */
+    public function getVerifiedItemOrNull($object)
+    {
+        if ($object instanceof Response) {
+            return $object;
+        }
+        return null;
+    }
+
+    /**
+     * Send request.
+     *
+     * @param Request $request
+     * @return mixed|Response
+     * @throws \Psr\SimpleCache\InvalidArgumentException
+     */
+    public function sendRequest(Request $request)
+    {
+        $response = $this->cacheDispatcher->dispatch($request, $this, $this);
+        return $response;
+    }
+
+    /**
+     * @return HttpClient
+     */
+    public function getHttpClient()
+    {
+        return $this->client->getHttpClient();
+    }
+
+    /**
+     * @param HttpClient $client
+     * @return mixed
+     */
+    public function setHttpClient(HttpClient $client)
+    {
+        return $this->client->setHttpClient($client);
+    }
+
+    /**
+     * @return Serializer
+     */
+    public function getSerializer()
+    {
+        return $this->client->getSerializer();
+    }
+
+    /**
+     * @return string
+     */
+    public function getApiUrl()
+    {
+        return $this->client->getApiUrl();
+    }
+
+}
\ No newline at end of file