1: <?php
 2: /**
 3:  * This file is part of the planetubuntu package.
 4:  *
 5:  * (c) Daniel González <daniel@desarrolla2.com>
 6:  *
 7:  * For the full copyright and license information, please view the LICENSE
 8:  * file that was distributed with this source code.
 9:  */
10: namespace FastFeed\Cache;
11: 
12: use FastFeed\Exception\LogicException;
13: use FastFeed\Exception;
14: use FastFeed\FastFeed as FastFeedBase;
15: use Desarrolla2\Cache\CacheInterface;
16: 
17: /**
18:  * FastFeed
19:  */
20: class FastFeed extends FastFeedBase
21: {
22: 
23:     /**
24:      * @var CacheInterface;
25:      */
26:     protected $cache;
27: 
28:     /**
29:      * @param CacheInterface $cache
30:      */
31:     public function setCache(CacheInterface $cache)
32:     {
33:         $this->cache = $cache;
34:     }
35: 
36:     /**
37:      * @return CacheInterface
38:      */
39:     public function getCache()
40:     {
41:         return $this->cache;
42:     }
43: 
44:     /**
45:      * @param string $channel
46:      *
47:      * @return array|CacheInterface
48:      */
49:     public function fetch($channel = 'default')
50:     {
51:         $items = $this->getFromCache($channel);
52:         if (!$items) {
53:             $items = parent::fetch($channel);
54:             $this->setToCache($channel, $items);
55:         }
56: 
57:         return $items;
58:     }
59: 
60:     /**
61:      * @param string $channel
62:      *
63:      * @return array
64:      * @throws \FastFeed\Exception\LogicException
65:      */
66:     protected function getFromCache($channel)
67:     {
68:         if (!$this->cache) {
69:             throw new LogicException('You need set to cache provider');
70:         }
71:         if ($this->getCache()->has($channel)) {
72:             return $this->getCache()->get($channel);
73:         }
74: 
75:         return false;
76:     }
77: 
78:     /**
79:      * @param string $channel
80:      * @param array  $items
81:      */
82:     protected function setToCache($channel, $items)
83:     {
84:         $this->getCache()->set($channel, $items);
85:     }
86: }
87: