NewsfeedRequester.php
| 1 | <?php |
| 2 | |
| 3 | namespace WPStaging\Framework\Newsfeed; |
| 4 | |
| 5 | use function WPStaging\functions\debug_log; |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 13 | class NewsfeedRequester |
| 14 | { |
| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 19 | const TRANSIENT_EXPIRATION_TIME = 86400; |
| 20 | |
| 21 | |
| 22 | private $url; |
| 23 | |
| 24 | |
| 25 | private $transientIdentifier; |
| 26 | |
| 27 | |
| 28 | |
| 29 | |
| 30 | |
| 31 | private $isDebug = false; |
| 32 | |
| 33 | |
| 34 | private $validator; |
| 35 | |
| 36 | public function __construct(string $transientIdentifier = '', string $url = '') |
| 37 | { |
| 38 | if (empty($transientIdentifier)) { |
| 39 | throw new \InvalidArgumentException('Transient identifier cannot be empty.'); |
| 40 | } |
| 41 | |
| 42 | if (empty($url)) { |
| 43 | throw new \InvalidArgumentException('URL cannot be empty.'); |
| 44 | } |
| 45 | |
| 46 | $this->validator = new NewsfeedValidator(); |
| 47 | |
| 48 | $this->url = $url; |
| 49 | |
| 50 | $this->transientIdentifier = 'wpstg_news_block_' . md5($transientIdentifier); |
| 51 | } |
| 52 | |
| 53 | |
| 54 | |
| 55 | |
| 56 | |
| 57 | |
| 58 | public function returnData() |
| 59 | { |
| 60 | $cached = get_transient($this->transientIdentifier); |
| 61 | |
| 62 | if ($cached !== false && !$this->isDebug) { |
| 63 | return $cached; |
| 64 | } |
| 65 | |
| 66 | $data = $this->getRemoteData(); |
| 67 | if ($data === null || !$this->validator->validate($data)) { |
| 68 | return null; |
| 69 | } |
| 70 | |
| 71 | if (!$this->isDebug) { |
| 72 | set_transient($this->transientIdentifier, $data, self::TRANSIENT_EXPIRATION_TIME); |
| 73 | } |
| 74 | |
| 75 | return $data; |
| 76 | } |
| 77 | |
| 78 | |
| 79 | |
| 80 | |
| 81 | |
| 82 | public function setIsDebug(bool $isDebug) |
| 83 | { |
| 84 | $this->isDebug = $isDebug; |
| 85 | } |
| 86 | |
| 87 | |
| 88 | |
| 89 | |
| 90 | |
| 91 | |
| 92 | private function getRemoteData() |
| 93 | { |
| 94 | if (!filter_var($this->url, FILTER_VALIDATE_URL)) { |
| 95 | debug_log(sprintf('Invalid URL for retrieving the news from %s', $this->url)); |
| 96 | return null; |
| 97 | } |
| 98 | |
| 99 | $response = wp_remote_get($this->url, ['timeout' => 5, 'sslverify' => true]); |
| 100 | |
| 101 | if (is_wp_error($response)) { |
| 102 | debug_log(sprintf('Cannot retrieve news data from URL %s. Error: %s', $this->url, $response->get_error_message())); |
| 103 | return null; |
| 104 | } |
| 105 | |
| 106 | $statusCode = wp_remote_retrieve_response_code($response); |
| 107 | |
| 108 | if ($statusCode !== 200) { |
| 109 | debug_log(sprintf('Cannot get remote news data from url %s Response: %s', $this->url, $statusCode)); |
| 110 | return null; |
| 111 | } |
| 112 | |
| 113 | $body = wp_remote_retrieve_body($response); |
| 114 | $data = json_decode(trim($body), true); |
| 115 | |
| 116 | if (json_last_error() !== JSON_ERROR_NONE) { |
| 117 | debug_log(sprintf('Newsfeed JSON parse error from %s: %s', $this->url, json_last_error_msg())); |
| 118 | return null; |
| 119 | } |
| 120 | |
| 121 | return $data; |
| 122 | } |
| 123 | } |
| 124 |