woocommerce/packages/action-scheduler/classes/data-stores/ActionScheduler_HybridStore.php
2021-12-10 12:03:04 +00:00

427 lines
12 KiB
PHP

<?php
use ActionScheduler_Store as Store;
use Action_Scheduler\Migration\Runner;
use Action_Scheduler\Migration\Config;
use Action_Scheduler\Migration\Controller;
/**
* Class ActionScheduler_HybridStore
*
* A wrapper around multiple stores that fetches data from both.
*
* @since 3.0.0
*/
class ActionScheduler_HybridStore extends Store {
const DEMARKATION_OPTION = 'action_scheduler_hybrid_store_demarkation';
private $primary_store;
private $secondary_store;
private $migration_runner;
/**
* @var int The dividing line between IDs of actions created
* by the primary and secondary stores.
*
* Methods that accept an action ID will compare the ID against
* this to determine which store will contain that ID. In almost
* all cases, the ID should come from the primary store, but if
* client code is bypassing the API functions and fetching IDs
* from elsewhere, then there is a chance that an unmigrated ID
* might be requested.
*/
private $demarkation_id = 0;
/**
* ActionScheduler_HybridStore constructor.
*
* @param Config $config Migration config object.
*/
public function __construct( Config $config = null ) {
$this->demarkation_id = (int) get_option( self::DEMARKATION_OPTION, 0 );
if ( empty( $config ) ) {
$config = Controller::instance()->get_migration_config_object();
}
$this->primary_store = $config->get_destination_store();
$this->secondary_store = $config->get_source_store();
$this->migration_runner = new Runner( $config );
}
/**
* Initialize the table data store tables.
*
* @codeCoverageIgnore
*/
public function init() {
add_action( 'action_scheduler/created_table', [ $this, 'set_autoincrement' ], 10, 2 );
$this->primary_store->init();
$this->secondary_store->init();
remove_action( 'action_scheduler/created_table', [ $this, 'set_autoincrement' ], 10 );
}
/**
* When the actions table is created, set its autoincrement
* value to be one higher than the posts table to ensure that
* there are no ID collisions.
*
* @param string $table_name
* @param string $table_suffix
*
* @return void
* @codeCoverageIgnore
*/
public function set_autoincrement( $table_name, $table_suffix ) {
if ( ActionScheduler_StoreSchema::ACTIONS_TABLE === $table_suffix ) {
if ( empty( $this->demarkation_id ) ) {
$this->demarkation_id = $this->set_demarkation_id();
}
/** @var \wpdb $wpdb */
global $wpdb;
/**
* A default date of '0000-00-00 00:00:00' is invalid in MySQL 5.7 when configured with
* sql_mode including both STRICT_TRANS_TABLES and NO_ZERO_DATE.
*/
$default_date = new DateTime( 'tomorrow' );
$null_action = new ActionScheduler_NullAction();
$date_gmt = $this->get_scheduled_date_string( $null_action, $default_date );
$date_local = $this->get_scheduled_date_string_local( $null_action, $default_date );
$row_count = $wpdb->insert(
$wpdb->{ActionScheduler_StoreSchema::ACTIONS_TABLE},
[
'action_id' => $this->demarkation_id,
'hook' => '',
'status' => '',
'scheduled_date_gmt' => $date_gmt,
'scheduled_date_local' => $date_local,
'last_attempt_gmt' => $date_gmt,
'last_attempt_local' => $date_local,
]
);
if ( $row_count > 0 ) {
$wpdb->delete(
$wpdb->{ActionScheduler_StoreSchema::ACTIONS_TABLE},
[ 'action_id' => $this->demarkation_id ]
);
}
}
}
/**
* Store the demarkation id in WP options.
*
* @param int $id The ID to set as the demarkation point between the two stores
* Leave null to use the next ID from the WP posts table.
*
* @return int The new ID.
*
* @codeCoverageIgnore
*/
private function set_demarkation_id( $id = null ) {
if ( empty( $id ) ) {
/** @var \wpdb $wpdb */
global $wpdb;
$id = (int) $wpdb->get_var( "SELECT MAX(ID) FROM $wpdb->posts" );
$id ++;
}
update_option( self::DEMARKATION_OPTION, $id );
return $id;
}
/**
* Find the first matching action from the secondary store.
* If it exists, migrate it to the primary store immediately.
* After it migrates, the secondary store will logically contain
* the next matching action, so return the result thence.
*
* @param string $hook
* @param array $params
*
* @return string
*/
public function find_action( $hook, $params = [] ) {
$found_unmigrated_action = $this->secondary_store->find_action( $hook, $params );
if ( ! empty( $found_unmigrated_action ) ) {
$this->migrate( [ $found_unmigrated_action ] );
}
return $this->primary_store->find_action( $hook, $params );
}
/**
* Find actions matching the query in the secondary source first.
* If any are found, migrate them immediately. Then the secondary
* store will contain the canonical results.
*
* @param array $query
* @param string $query_type Whether to select or count the results. Default, select.
*
* @return int[]
*/
public function query_actions( $query = [], $query_type = 'select' ) {
$found_unmigrated_actions = $this->secondary_store->query_actions( $query, 'select' );
if ( ! empty( $found_unmigrated_actions ) ) {
$this->migrate( $found_unmigrated_actions );
}
return $this->primary_store->query_actions( $query, $query_type );
}
/**
* Get a count of all actions in the store, grouped by status
*
* @return array Set of 'status' => int $count pairs for statuses with 1 or more actions of that status.
*/
public function action_counts() {
$unmigrated_actions_count = $this->secondary_store->action_counts();
$migrated_actions_count = $this->primary_store->action_counts();
$actions_count_by_status = array();
foreach ( $this->get_status_labels() as $status_key => $status_label ) {
$count = 0;
if ( isset( $unmigrated_actions_count[ $status_key ] ) ) {
$count += $unmigrated_actions_count[ $status_key ];
}
if ( isset( $migrated_actions_count[ $status_key ] ) ) {
$count += $migrated_actions_count[ $status_key ];
}
$actions_count_by_status[ $status_key ] = $count;
}
$actions_count_by_status = array_filter( $actions_count_by_status );
return $actions_count_by_status;
}
/**
* If any actions would have been claimed by the secondary store,
* migrate them immediately, then ask the primary store for the
* canonical claim.
*
* @param int $max_actions
* @param DateTime|null $before_date
*
* @return ActionScheduler_ActionClaim
*/
public function stake_claim( $max_actions = 10, DateTime $before_date = null, $hooks = array(), $group = '' ) {
$claim = $this->secondary_store->stake_claim( $max_actions, $before_date, $hooks, $group );
$claimed_actions = $claim->get_actions();
if ( ! empty( $claimed_actions ) ) {
$this->migrate( $claimed_actions );
}
$this->secondary_store->release_claim( $claim );
return $this->primary_store->stake_claim( $max_actions, $before_date, $hooks, $group );
}
/**
* Migrate a list of actions to the table data store.
*
* @param array $action_ids List of action IDs.
*/
private function migrate( $action_ids ) {
$this->migration_runner->migrate_actions( $action_ids );
}
/**
* Save an action to the primary store.
*
* @param ActionScheduler_Action $action Action object to be saved.
* @param DateTime $date Optional. Schedule date. Default null.
*
* @return int The action ID
*/
public function save_action( ActionScheduler_Action $action, DateTime $date = null ) {
return $this->primary_store->save_action( $action, $date );
}
/**
* Retrieve an existing action whether migrated or not.
*
* @param int $action_id Action ID.
*/
public function fetch_action( $action_id ) {
$store = $this->get_store_from_action_id( $action_id, true );
if ( $store ) {
return $store->fetch_action( $action_id );
} else {
return new ActionScheduler_NullAction();
}
}
/**
* Cancel an existing action whether migrated or not.
*
* @param int $action_id Action ID.
*/
public function cancel_action( $action_id ) {
$store = $this->get_store_from_action_id( $action_id );
if ( $store ) {
$store->cancel_action( $action_id );
}
}
/**
* Delete an existing action whether migrated or not.
*
* @param int $action_id Action ID.
*/
public function delete_action( $action_id ) {
$store = $this->get_store_from_action_id( $action_id );
if ( $store ) {
$store->delete_action( $action_id );
}
}
/**
* Get the schedule date an existing action whether migrated or not.
*
* @param int $action_id Action ID.
*/
public function get_date( $action_id ) {
$store = $this->get_store_from_action_id( $action_id );
if ( $store ) {
return $store->get_date( $action_id );
} else {
return null;
}
}
/**
* Mark an existing action as failed whether migrated or not.
*
* @param int $action_id Action ID.
*/
public function mark_failure( $action_id ) {
$store = $this->get_store_from_action_id( $action_id );
if ( $store ) {
$store->mark_failure( $action_id );
}
}
/**
* Log the execution of an existing action whether migrated or not.
*
* @param int $action_id Action ID.
*/
public function log_execution( $action_id ) {
$store = $this->get_store_from_action_id( $action_id );
if ( $store ) {
$store->log_execution( $action_id );
}
}
/**
* Mark an existing action complete whether migrated or not.
*
* @param int $action_id Action ID.
*/
public function mark_complete( $action_id ) {
$store = $this->get_store_from_action_id( $action_id );
if ( $store ) {
$store->mark_complete( $action_id );
}
}
/**
* Get an existing action status whether migrated or not.
*
* @param int $action_id Action ID.
*/
public function get_status( $action_id ) {
$store = $this->get_store_from_action_id( $action_id );
if ( $store ) {
return $store->get_status( $action_id );
}
return null;
}
/**
* Return which store an action is stored in.
*
* @param int $action_id ID of the action.
* @param bool $primary_first Optional flag indicating search the primary store first.
* @return ActionScheduler_Store
*/
protected function get_store_from_action_id( $action_id, $primary_first = false ) {
if ( $primary_first ) {
$stores = [
$this->primary_store,
$this->secondary_store,
];
} elseif ( $action_id < $this->demarkation_id ) {
$stores = [
$this->secondary_store,
$this->primary_store,
];
} else {
$stores = [
$this->primary_store,
];
}
foreach ( $stores as $store ) {
$action = $store->fetch_action( $action_id );
if ( ! is_a( $action, 'ActionScheduler_NullAction' ) ) {
return $store;
}
}
return null;
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * *
* All claim-related functions should operate solely
* on the primary store.
* * * * * * * * * * * * * * * * * * * * * * * * * * */
/**
* Get the claim count from the table data store.
*/
public function get_claim_count() {
return $this->primary_store->get_claim_count();
}
/**
* Retrieve the claim ID for an action from the table data store.
*
* @param int $action_id Action ID.
*/
public function get_claim_id( $action_id ) {
return $this->primary_store->get_claim_id( $action_id );
}
/**
* Release a claim in the table data store.
*
* @param ActionScheduler_ActionClaim $claim Claim object.
*/
public function release_claim( ActionScheduler_ActionClaim $claim ) {
$this->primary_store->release_claim( $claim );
}
/**
* Release claims on an action in the table data store.
*
* @param int $action_id Action ID.
*/
public function unclaim_action( $action_id ) {
$this->primary_store->unclaim_action( $action_id );
}
/**
* Retrieve a list of action IDs by claim.
*
* @param int $claim_id Claim ID.
*/
public function find_actions_by_claim_id( $claim_id ) {
return $this->primary_store->find_actions_by_claim_id( $claim_id );
}
}