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<?php |
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|
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namespace FluentBooking\App\Services\Integrations\Calendars; |
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|
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/* |
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* Caching class for string remote response data or any type of high intensive calculated data |
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* This call will use fcal_meta table with object_type value is: performance_cache |
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* the updated_at column will be used to set when the cache will be expired. (it's wierd but it's the optimal solution) |
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* The created_at column will be used when the last time the data has been updated |
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* the parent id meant to be the ID of the another row of the fcal_meta table. |
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*/ |
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|
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class CalendarCache |
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{ |
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private static $objectType = 'performance_cache'; |
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|
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public static function getCache($parentId, $key, $callback, $cacheTime = 600, $renew = false) // 10 minutes check |
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{ |
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$db = self::db(); |
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|
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$row = $db->table('fcal_meta') |
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->where('object_type', self::$objectType) |
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->where('key', $key) |
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->where('object_id', $parentId) |
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->first(); |
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|
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if ($row && $row->value !== '' && !$renew) { |
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if (strtotime($row->updated_at) > time()) { |
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return maybe_unserialize($row->value); |
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} |
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} |
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|
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$value = $callback(); |
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|
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if (is_wp_error($value)) { |
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return null; |
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} |
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|
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// In the mean time it may got called and create the row |
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$row = $db->table('fcal_meta') |
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->where('object_type', self::$objectType) |
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->where('key', $key) |
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->where('object_id', $parentId) |
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->first(); |
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|
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if ($row) { |
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if ($value === null) { // value got nulled so let's return the previous data |
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return maybe_unserialize($row->value); |
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} |
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|
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$db->table('fcal_meta') |
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->where('id', $row->id) |
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->update([ |
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'updated_at' => gmdate('Y-m-d H:i:s', time() + $cacheTime), // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date |
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'created_at' => gmdate('Y-m-d H:i:s'), // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date |
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'value' => maybe_serialize($value) |
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]); |
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} else { |
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if ($value === null) { |
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return null; |
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} |
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|
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$db->table('fcal_meta') |
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->insert([ |
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'updated_at' => gmdate('Y-m-d H:i:s', time() + $cacheTime), // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date |
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'created_at' => gmdate('Y-m-d H:i:s'), // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date |
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'object_type' => self::$objectType, |
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'key' => $key, |
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'object_id' => $parentId, |
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'value' => maybe_serialize($value) |
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]); |
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} |
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|
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return $value; |
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} |
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|
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public static function deleteCache($parentId, $key) |
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{ |
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$db = self::db(); |
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$db->table('fcal_meta') |
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->where('object_type', self::$objectType) |
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->where('key', $key) |
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->where('object_id', $parentId) |
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->delete(); |
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} |
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|
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public static function deleteAllParentCache($parentId) |
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{ |
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$db = self::db(); |
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$db->table('fcal_meta') |
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->where('object_type', self::$objectType) |
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->where('object_id', $parentId) |
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->delete(); |
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} |
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|
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public static function deleteAllOldExpiredCache() |
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{ |
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$db = self::db(); |
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$db->table('fcal_meta') |
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->where('object_type', self::$objectType) |
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->where('updated_at', '<', gmdate('Y-m-d H:i:s', strtotime('-15 days'))) // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date |
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->delete(); |
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} |
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|
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public static function db() |
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{ |
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return (\FluentBooking\App\App::getInstance())->db; |
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} |
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|
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} |
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|
