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| 1 | <?php |
| 2 | |
| 3 | namespace NewfoldLabs\WP\Module\Data\SiteClassification; |
| 4 | |
| 5 | use NewfoldLabs\WP\Module\Data\HiiveWorker; |
| 6 | |
| 7 | /** |
| 8 | * Class SiteClassification |
| 9 | * |
| 10 | * Class that handles fetching and caching of site classification data. |
| 11 | * |
| 12 | * @package NewfoldLabs\WP\Module\Data |
| 13 | */ |
| 14 | class SiteClassification { |
| 15 | /** |
| 16 | * Name of the site classification data transient. |
| 17 | * |
| 18 | * @var string |
| 19 | */ |
| 20 | public static $transient_name = 'nfd_data_site_classification'; |
| 21 | |
| 22 | /** |
| 23 | * Retrieves the site classification data. |
| 24 | * |
| 25 | * @return array |
| 26 | */ |
| 27 | public static function get() { |
| 28 | // Get the current locale of the site. |
| 29 | $locale = str_replace( '_', '-', get_locale() ); |
| 30 | |
| 31 | $transient_name = self::$transient_name . '-' . $locale; |
| 32 | // Checks the transient for data. |
| 33 | $classification = get_transient( $transient_name ); |
| 34 | if ( false !== $classification ) { |
| 35 | return $classification; |
| 36 | } |
| 37 | |
| 38 | // Fetch data from the worker. |
| 39 | $classification = self::fetch_from_worker( $locale ); |
| 40 | if ( ! empty( $classification ) ) { |
| 41 | set_transient( $transient_name, $classification, DAY_IN_SECONDS ); |
| 42 | return $classification; |
| 43 | } |
| 44 | |
| 45 | // Fetch data from the static JSON file. |
| 46 | $classification = self::fetch_from_static_file( $locale ); |
| 47 | if ( ! empty( $classification ) ) { |
| 48 | $classification['static'] = true; |
| 49 | set_transient( $transient_name, $classification, HOUR_IN_SECONDS ); |
| 50 | return $classification; |
| 51 | } |
| 52 | |
| 53 | // Cache an empty array for an hour if no data could be retrieved. |
| 54 | set_transient( $transient_name, array(), HOUR_IN_SECONDS ); |
| 55 | return array(); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Fetch site classification data from the CF worker. |
| 60 | * |
| 61 | * @param string $locale The locale in kebab case. |
| 62 | * @return array |
| 63 | */ |
| 64 | public static function fetch_from_worker( $locale = 'en-US' ) { |
| 65 | $worker = new HiiveWorker( 'site-classification' ); |
| 66 | $response = $worker->request( |
| 67 | 'GET', |
| 68 | array( |
| 69 | 'headers' => array( |
| 70 | 'Accept' => 'application/json', |
| 71 | ), |
| 72 | 'body' => array( |
| 73 | 'locale' => $locale, |
| 74 | ), |
| 75 | ) |
| 76 | ); |
| 77 | |
| 78 | if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) { |
| 79 | return array(); |
| 80 | } |
| 81 | |
| 82 | $body = wp_remote_retrieve_body( $response ); |
| 83 | $data = json_decode( $body, true ); |
| 84 | if ( ! $data || ! is_array( $data ) ) { |
| 85 | return array(); |
| 86 | } |
| 87 | |
| 88 | return $data; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Fetch site classification data from the static JSON file. |
| 93 | * |
| 94 | * @param string $locale The locale in kebab case. |
| 95 | * @return array |
| 96 | */ |
| 97 | public static function fetch_from_static_file( $locale = 'en-US' ) { |
| 98 | $filename = realpath( __DIR__ . "/../Data/Static/site-classification-{$locale}.json" ); |
| 99 | |
| 100 | if ( ! file_exists( $filename ) ) { |
| 101 | if ( 'en-US' === $locale ) { |
| 102 | return array(); |
| 103 | } |
| 104 | |
| 105 | // If the file does not exist and the locale is not en-US, then default to the en-US file. |
| 106 | $filename = realpath( __DIR__ . '/../Data/Static/site-classification-en-US.json' ); |
| 107 | if ( ! file_exists( $filename ) ) { |
| 108 | return array(); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | $data = json_decode( file_get_contents( $filename ), true ); |
| 113 | if ( ! $data ) { |
| 114 | return array(); |
| 115 | } |
| 116 | |
| 117 | return $data; |
| 118 | } |
| 119 | } |