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| 1 | <?php |
| 2 | /** |
| 3 | * Health class. |
| 4 | * |
| 5 | * @package automattic/jetpack-sync |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Sync; |
| 9 | |
| 10 | /** |
| 11 | * Health class. |
| 12 | */ |
| 13 | class Health { |
| 14 | |
| 15 | /** |
| 16 | * Prefix of the blog lock transient. |
| 17 | * |
| 18 | * @access public |
| 19 | * |
| 20 | * @var string |
| 21 | */ |
| 22 | const STATUS_OPTION = 'sync_health_status'; |
| 23 | |
| 24 | /** |
| 25 | * Status key in option array. |
| 26 | * |
| 27 | * @access public |
| 28 | * |
| 29 | * @var string |
| 30 | */ |
| 31 | const OPTION_STATUS_KEY = 'status'; |
| 32 | |
| 33 | /** |
| 34 | * Timestamp key in option array. |
| 35 | * |
| 36 | * @access public |
| 37 | * |
| 38 | * @var string |
| 39 | */ |
| 40 | const OPTION_TIMESTAMP_KEY = 'timestamp'; |
| 41 | |
| 42 | /** |
| 43 | * Unknown status code. |
| 44 | * |
| 45 | * @access public |
| 46 | * |
| 47 | * @var string |
| 48 | */ |
| 49 | const STATUS_UNKNOWN = 'unknown'; |
| 50 | |
| 51 | /** |
| 52 | * Disabled status code. |
| 53 | * |
| 54 | * @access public |
| 55 | * |
| 56 | * @var string |
| 57 | */ |
| 58 | const STATUS_DISABLED = 'disabled'; |
| 59 | |
| 60 | /** |
| 61 | * Out of sync status code. |
| 62 | * |
| 63 | * @access public |
| 64 | * |
| 65 | * @var string |
| 66 | */ |
| 67 | const STATUS_OUT_OF_SYNC = 'out_of_sync'; |
| 68 | |
| 69 | /** |
| 70 | * In sync status code. |
| 71 | * |
| 72 | * @access public |
| 73 | * |
| 74 | * @var string |
| 75 | */ |
| 76 | const STATUS_IN_SYNC = 'in_sync'; |
| 77 | |
| 78 | /** |
| 79 | * If sync is active, Health-related hooks will be initialized after plugins are loaded. |
| 80 | */ |
| 81 | public static function init() { |
| 82 | add_action( 'jetpack_full_sync_end', array( __CLASS__, 'full_sync_end_update_status' ), 10, 2 ); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Gets health status code. |
| 87 | * |
| 88 | * @return string Sync Health Status |
| 89 | */ |
| 90 | public static function get_status() { |
| 91 | $status = \Jetpack_Options::get_option( self::STATUS_OPTION ); |
| 92 | |
| 93 | if ( false === $status || ! is_array( $status ) || empty( $status[ self::OPTION_STATUS_KEY ] ) ) { |
| 94 | return self::STATUS_UNKNOWN; |
| 95 | } |
| 96 | |
| 97 | switch ( $status[ self::OPTION_STATUS_KEY ] ) { |
| 98 | case self::STATUS_DISABLED: |
| 99 | case self::STATUS_OUT_OF_SYNC: |
| 100 | case self::STATUS_IN_SYNC: |
| 101 | return $status[ self::OPTION_STATUS_KEY ]; |
| 102 | default: |
| 103 | return self::STATUS_UNKNOWN; |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * When the Jetpack plugin is upgraded, set status to disabled if sync is not enabled, |
| 109 | * or to unknown, if the status has never been set before. |
| 110 | */ |
| 111 | public static function on_jetpack_upgraded() { |
| 112 | if ( ! Settings::is_sync_enabled() ) { |
| 113 | self::update_status( self::STATUS_DISABLED ); |
| 114 | return; |
| 115 | } |
| 116 | if ( false === self::is_status_defined() ) { |
| 117 | self::update_status( self::STATUS_UNKNOWN ); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * When the Jetpack plugin is activated, set status to disabled if sync is not enabled, |
| 123 | * or to unknown. |
| 124 | */ |
| 125 | public static function on_jetpack_activated() { |
| 126 | if ( ! Settings::is_sync_enabled() ) { |
| 127 | self::update_status( self::STATUS_DISABLED ); |
| 128 | return; |
| 129 | } |
| 130 | self::update_status( self::STATUS_UNKNOWN ); |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Updates sync health status with either a valid status, or an unknown status. |
| 135 | * |
| 136 | * @param string $status Sync Status. |
| 137 | * |
| 138 | * @return bool True if an update occoured, or false if the status didn't change. |
| 139 | */ |
| 140 | public static function update_status( $status ) { |
| 141 | if ( self::get_status() === $status ) { |
| 142 | return false; |
| 143 | } |
| 144 | // Default Status Option. |
| 145 | $new_status = array( |
| 146 | self::OPTION_STATUS_KEY => self::STATUS_UNKNOWN, |
| 147 | self::OPTION_TIMESTAMP_KEY => microtime( true ), |
| 148 | ); |
| 149 | |
| 150 | switch ( $status ) { |
| 151 | case self::STATUS_DISABLED: |
| 152 | case self::STATUS_OUT_OF_SYNC: |
| 153 | case self::STATUS_IN_SYNC: |
| 154 | $new_status[ self::OPTION_STATUS_KEY ] = $status; |
| 155 | break; |
| 156 | } |
| 157 | |
| 158 | \Jetpack_Options::update_option( self::STATUS_OPTION, $new_status ); |
| 159 | return true; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Check if Status has been previously set. |
| 164 | * |
| 165 | * @return bool is a Status defined |
| 166 | */ |
| 167 | public static function is_status_defined() { |
| 168 | $status = \Jetpack_Options::get_option( self::STATUS_OPTION ); |
| 169 | |
| 170 | if ( false === $status || ! is_array( $status ) || empty( $status[ self::OPTION_STATUS_KEY ] ) ) { |
| 171 | return false; |
| 172 | } else { |
| 173 | return true; |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * Update Sync Status if Full Sync ended of Posts |
| 179 | * |
| 180 | * @param string $checksum The checksum that's currently being processed. |
| 181 | * @param array $range The ranges of object types being processed. |
| 182 | */ |
| 183 | public static function full_sync_end_update_status( $checksum, $range ) { |
| 184 | if ( isset( $range['posts'] ) ) { |
| 185 | self::update_status( self::STATUS_IN_SYNC ); |
| 186 | } |
| 187 | } |
| 188 | } |