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| 1 | +<?php |
| 2 | +/** |
| 3 | + * A widget class. |
| 4 | + * |
| 5 | + * @package Progress_Planner |
| 6 | + */ |
| 7 | + |
| 8 | +namespace Progress_Planner\Widgets; |
| 9 | + |
| 10 | +/** |
| 11 | + * Challenge class. |
| 12 | + */ |
| 13 | +final class Challenge extends \Progress_Planner\Widget { |
| 14 | + |
| 15 | + /** |
| 16 | + * The widget ID. |
| 17 | + * |
| 18 | + * @var string |
| 19 | + */ |
| 20 | + protected $id = 'challenge'; |
| 21 | + |
| 22 | + /** |
| 23 | + * Get the feed from the blog. |
| 24 | + * |
| 25 | + * @param bool $force_free Whether to force the free version. |
| 26 | + * |
| 27 | + * @return array |
| 28 | + */ |
| 29 | + public function get_challenge( $force_free = false ) { |
| 30 | + $cache_key = $this->get_cache_key( $force_free ); |
| 31 | + $feed_data = \progress_planner()->get_cache()->get( $cache_key ); |
| 32 | + |
| 33 | + // Transient not set. |
| 34 | + if ( false === $feed_data ) { |
| 35 | + $feed_data = [ |
| 36 | + 'feed' => [], |
| 37 | + 'expires' => 0, |
| 38 | + ]; |
| 39 | + } |
| 40 | + |
| 41 | + // Transient expired, fetch new feed. |
| 42 | + if ( $feed_data['expires'] < time() ) { |
| 43 | + // Get the feed using the REST API. |
| 44 | + $response = \wp_remote_get( $this->get_remote_api_url( $force_free ) ); |
| 45 | + |
| 46 | + if ( 200 !== wp_remote_retrieve_response_code( $response ) ) { |
| 47 | + // Fallback to free response if PRO but the license is invalid. |
| 48 | + if ( ! $force_free && \progress_planner()->is_pro_site() ) { |
| 49 | + return $this->get_challenge( true ); |
| 50 | + } |
| 51 | + |
| 52 | + // If we cant fetch the feed, we will try again later. |
| 53 | + $feed_data['expires'] = time() + 5 * MINUTE_IN_SECONDS; |
| 54 | + } else { |
| 55 | + $feed = json_decode( \wp_remote_retrieve_body( $response ), true ); |
| 56 | + |
| 57 | + $feed_data['feed'] = $feed; |
| 58 | + $feed_data['expires'] = time() + 1 * DAY_IN_SECONDS; |
| 59 | + if ( empty( $feed ) ) { |
| 60 | + $feed_data['expires'] = time() + 1 * HOUR_IN_SECONDS; |
| 61 | + } |
| 62 | + } |
| 63 | + |
| 64 | + // Transient uses 'expires' key to determine if it's expired. |
| 65 | + \progress_planner()->get_cache()->set( $cache_key, $feed_data, 0 ); |
| 66 | + } |
| 67 | + |
| 68 | + return $feed_data['feed']; |
| 69 | + } |
| 70 | + |
| 71 | + /** |
| 72 | + * Render the widget. |
| 73 | + * |
| 74 | + * @return void |
| 75 | + */ |
| 76 | + public function render() { |
| 77 | + if ( empty( $this->get_challenge() ) ) { |
| 78 | + return; |
| 79 | + } |
| 80 | + parent::render(); |
| 81 | + } |
| 82 | + |
| 83 | + /** |
| 84 | + * Get the cache key. |
| 85 | + * |
| 86 | + * @param bool $force_free Whether to force the free version. |
| 87 | + * |
| 88 | + * @return string |
| 89 | + */ |
| 90 | + public function get_cache_key( $force_free = false ) { |
| 91 | + return md5( $this->get_remote_api_url( $force_free ) ); |
| 92 | + } |
| 93 | + |
| 94 | + /** |
| 95 | + * Get the remote-API URL. |
| 96 | + * |
| 97 | + * @param bool $force_free Whether to force the free version. |
| 98 | + * |
| 99 | + * @return string |
| 100 | + */ |
| 101 | + public function get_remote_api_url( $force_free = false ) { |
| 102 | + $url = \progress_planner()->get_remote_server_root_url() . '/wp-json/progress-planner-saas/v1/challenges'; |
| 103 | + $url = ( ! $force_free && \progress_planner()->is_pro_site() ) |
| 104 | + ? \add_query_arg( |
| 105 | + [ |
| 106 | + 'license_key' => \get_option( 'progress_planner_pro_license_key' ), |
| 107 | + 'site' => \get_site_url(), |
| 108 | + ], |
| 109 | + $url |
| 110 | + ) |
| 111 | + : \add_query_arg( [ 'site' => \get_site_url() ], $url ); |
| 112 | + |
| 113 | + return $url; |
| 114 | + } |
| 115 | +} |
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