Complex classes like Jetpack_Sync_Module_Full_Sync often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Jetpack_Sync_Module_Full_Sync, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 17 | class Jetpack_Sync_Module_Full_Sync extends Jetpack_Sync_Module { |
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| 18 | const STATUS_OPTION_PREFIX = 'jetpack_sync_full_'; |
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| 19 | const FULL_SYNC_TIMEOUT = 3600; |
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| 20 | |||
| 21 | private $items_added_since_last_pause; |
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| 22 | private $last_pause_time; |
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| 23 | private $queue_rate_limit; |
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| 24 | |||
| 25 | public function name() { |
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| 28 | |||
| 29 | function init_full_sync_listeners( $callable ) { |
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| 35 | |||
| 36 | function init_before_send() { |
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| 40 | |||
| 41 | function start( $modules = null ) { |
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| 42 | $was_already_running = $this->is_started() && ! $this->is_finished(); |
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| 43 | |||
| 44 | // remove all evidence of previous full sync items and status |
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| 45 | $this->reset_data(); |
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| 46 | |||
| 47 | $this->enable_queue_rate_limit(); |
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| 48 | |||
| 49 | if ( $was_already_running ) { |
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| 50 | /** |
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| 51 | * Fires when a full sync is cancelled. |
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| 52 | * |
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| 53 | * @since 4.2.0 |
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| 54 | */ |
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| 55 | do_action( 'jetpack_full_sync_cancelled' ); |
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| 56 | } |
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| 57 | |||
| 58 | /** |
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| 59 | * Fires when a full sync begins. This action is serialized |
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| 60 | * and sent to the server so that it knows a full sync is coming. |
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| 61 | * |
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| 62 | * @since 4.2.0 |
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| 63 | */ |
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| 64 | do_action( 'jetpack_full_sync_start', $modules ); |
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| 65 | $this->update_status_option( 'started', time() ); |
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| 66 | |||
| 67 | // configure modules |
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| 68 | if ( ! is_array( $modules ) ) { |
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| 69 | $modules = array(); |
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| 70 | } |
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| 71 | |||
| 72 | if ( isset( $modules['users'] ) && 'initial' === $modules['users'] ) { |
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| 73 | $user_module = Jetpack_Sync_Modules::get_module( 'users' ); |
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| 74 | $modules['users'] = $user_module->get_initial_sync_user_config(); |
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| 75 | } |
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| 76 | |||
| 77 | // by default, all modules are fully enabled |
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| 78 | if ( count( $modules ) === 0 ) { |
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| 79 | $default_module_config = true; |
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| 80 | } else { |
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| 81 | $default_module_config = false; |
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| 82 | } |
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| 83 | |||
| 84 | // set default configuration, calculate totals, and save configuration if totals > 0 |
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| 85 | foreach ( Jetpack_Sync_Modules::get_modules() as $module ) { |
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| 86 | $module_name = $module->name(); |
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| 87 | if ( ! isset( $modules[ $module_name ] ) ) { |
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| 88 | $modules[ $module_name ] = $default_module_config; |
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| 89 | } |
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| 90 | |||
| 91 | // check if this module is enabled |
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| 92 | if ( ! ( $module_config = $modules[ $module_name ] ) ) { |
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| 93 | continue; |
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| 94 | } |
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| 95 | |||
| 96 | $total_items = $module->estimate_full_sync_actions( $module_config ); |
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| 97 | |||
| 98 | if ( ! is_null( $total_items ) && $total_items > 0 ) { |
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| 99 | $this->update_status_option( "{$module_name}_total", $total_items ); |
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| 100 | $this->update_status_option( "{$module_name}_config", $module_config ); |
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| 101 | } |
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| 102 | } |
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| 103 | |||
| 104 | foreach ( Jetpack_Sync_Modules::get_modules() as $module ) { |
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| 105 | $module_name = $module->name(); |
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| 106 | $module_config = $modules[ $module_name ]; |
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| 107 | |||
| 108 | // check if this module is enabled |
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| 109 | if ( ! $module_config ) { |
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| 110 | continue; |
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| 111 | } |
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| 112 | |||
| 113 | $items_enqueued = $module->enqueue_full_sync_actions( $module_config ); |
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| 114 | |||
| 115 | if ( ! is_null( $items_enqueued ) && $items_enqueued > 0 ) { |
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| 116 | $this->update_status_option( "{$module_name}_queued", $items_enqueued ); |
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| 117 | } |
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| 118 | } |
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| 119 | |||
| 120 | $this->update_status_option( 'queue_finished', time() ); |
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| 121 | |||
| 122 | $store = new Jetpack_Sync_WP_Replicastore(); |
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| 123 | |||
| 124 | /** |
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| 125 | * Fires when a full sync ends. This action is serialized |
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| 126 | * and sent to the server with checksums so that we can confirm the |
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| 127 | * sync was successful. |
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| 128 | * |
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| 129 | * @since 4.2.0 |
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| 130 | */ |
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| 131 | do_action( 'jetpack_full_sync_end', $store->checksum_all() ); |
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| 132 | |||
| 133 | $this->disable_queue_rate_limit(); |
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| 134 | |||
| 135 | return true; |
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| 136 | } |
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| 137 | |||
| 138 | function update_sent_progress_action( $actions ) { |
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| 171 | |||
| 172 | public function get_action_name( $queue_item ) { |
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| 178 | |||
| 179 | public function is_started() { |
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| 182 | |||
| 183 | public function is_finished() { |
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| 186 | |||
| 187 | public function get_status() { |
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| 221 | |||
| 222 | public function clear_status() { |
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| 236 | |||
| 237 | public function reset_data() { |
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| 243 | |||
| 244 | private function get_status_option( $option, $default = null ) { |
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| 256 | |||
| 257 | private function update_status_option( $name, $value ) { |
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| 261 | |||
| 262 | private function enable_queue_rate_limit() { |
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| 270 | |||
| 271 | private function disable_queue_rate_limit() { |
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| 275 | |||
| 276 | public function queue_item_added() { |
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| 279 | |||
| 280 | public function queue_items_added( $item_count ) { |
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| 296 | } |
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| 297 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.