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✏️ Editing: ActionScheduler_ListTable.php Writable

<?php

/**
 * Implements the admin view of the actions.
 * @codeCoverageIgnore
 */
class ActionScheduler_ListTable extends ActionScheduler_Abstract_ListTable {

/**
	 * The package name.
	 *
	 * @var string
	 */
	protected $package = 'action-scheduler';

/**
	 * Columns to show (name => label).
	 *
	 * @var array
	 */
	protected $columns = array();

/**
	 * Actions (name => label).
	 *
	 * @var array
	 */
	protected $row_actions = array();

/**
	 * The active data stores
	 *
	 * @var ActionScheduler_Store
	 */
	protected $store;

/**
	 * A logger to use for getting action logs to display
	 *
	 * @var ActionScheduler_Logger
	 */
	protected $logger;

/**
	 * A ActionScheduler_QueueRunner runner instance (or child class)
	 *
	 * @var ActionScheduler_QueueRunner
	 */
	protected $runner;

/**
	 * Bulk actions. The key of the array is the method name of the implementation:
	 *
	 * bulk_<key>(array $ids, string $sql_in).
	 *
	 * See the comments in the parent class for further details
	 *
	 * @var array
	 */
	protected $bulk_actions = array();

/**
	 * Flag variable to render our notifications, if any, once.
	 *
	 * @var bool
	 */
	protected static $did_notification = false;

/**
	 * Array of seconds for common time periods, like week or month, alongside an internationalised string representation, i.e. "Day" or "Days"
	 *
	 * @var array
	 */
	private static $time_periods;

/**
	 * Sets the current data store object into `store->action` and initialises the object.
	 *
	 * @param ActionScheduler_Store $store
	 * @param ActionScheduler_Logger $logger
	 * @param ActionScheduler_QueueRunner $runner
	 */
	public function __construct( ActionScheduler_Store $store, ActionScheduler_Logger $logger, ActionScheduler_QueueRunner $runner ) {

$this->store  = $store;
		$this->logger = $logger;
		$this->runner = $runner;

$this->table_header = __( 'Scheduled Actions', 'action-scheduler' );

$this->bulk_actions = array(
			'delete' => __( 'Delete', 'action-scheduler' ),
		);

$this->columns = array(
			'hook'        => __( 'Hook', 'action-scheduler' ),
			'status'      => __( 'Status', 'action-scheduler' ),
			'args'        => __( 'Arguments', 'action-scheduler' ),
			'group'       => __( 'Group', 'action-scheduler' ),
			'recurrence'  => __( 'Recurrence', 'action-scheduler' ),
			'schedule'    => __( 'Scheduled Date', 'action-scheduler' ),
			'log_entries' => __( 'Log', 'action-scheduler' ),
		);

$this->sort_by = array(
			'schedule',
			'hook',
			'group',
		);

$this->search_by = array(
			'hook',
			'args',
			'claim_id',
		);

$request_status = $this->get_request_status();

if ( empty( $request_status ) ) {
			$this->sort_by[] = 'status';
		} elseif ( in_array( $request_status, array( 'in-progress', 'failed' ) ) ) {
			$this->columns  += array( 'claim_id' => __( 'Claim ID', 'action-scheduler' ) );
			$this->sort_by[] = 'claim_id';
		}

$this->row_actions = array(
			'hook' => array(
				'run' => array(
					'name'  => __( 'Run', 'action-scheduler' ),
					'desc'  => __( 'Process the action now as if it were run as part of a queue', 'action-scheduler' ),
				),
				'cancel' => array(
					'name'  => __( 'Cancel', 'action-scheduler' ),
					'desc'  => __( 'Cancel the action now to avoid it being run in future', 'action-scheduler' ),
					'class' => 'cancel trash',
				),
			),
		);

self::$time_periods = array(
			array(
				'seconds' => YEAR_IN_SECONDS,
				/* translators: %s: amount of time */
				'names'   => _n_noop( '%s year', '%s years', 'action-scheduler' ),
			),
			array(
				'seconds' => MONTH_IN_SECONDS,
				/* translators: %s: amount of time */
				'names'   => _n_noop( '%s month', '%s months', 'action-scheduler' ),
			),
			array(
				'seconds' => WEEK_IN_SECONDS,
				/* translators: %s: amount of time */
				'names'   => _n_noop( '%s week', '%s weeks', 'action-scheduler' ),
			),
			array(
				'seconds' => DAY_IN_SECONDS,
				/* translators: %s: amount of time */
				'names'   => _n_noop( '%s day', '%s days', 'action-scheduler' ),
			),
			array(
				'seconds' => HOUR_IN_SECONDS,
				/* translators: %s: amount of time */
				'names'   => _n_noop( '%s hour', '%s hours', 'action-scheduler' ),
			),
			array(
				'seconds' => MINUTE_IN_SECONDS,
				/* translators: %s: amount of time */
				'names'   => _n_noop( '%s minute', '%s minutes', 'action-scheduler' ),
			),
			array(
				'seconds' => 1,
				/* translators: %s: amount of time */
				'names'   => _n_noop( '%s second', '%s seconds', 'action-scheduler' ),
			),
		);

parent::__construct(
			array(
				'singular' => 'action-scheduler',
				'plural'   => 'action-scheduler',
				'ajax'     => false,
			)
		);

add_screen_option(
			'per_page',
			array(
				'default' => $this->items_per_page,
			)
		);

add_filter( 'set_screen_option_' . $this->get_per_page_option_name(), array( $this, 'set_items_per_page_option' ), 10, 3 );
		set_screen_options();
	}

/**
	 * Handles setting the items_per_page option for this screen.
	 *
	 * @param mixed  $status Default false (to skip saving the current option).
	 * @param string $option Screen option name.
	 * @param int    $value  Screen option value.
	 * @return int
	 */
	public function set_items_per_page_option( $status, $option, $value ) {
		return $value;
	}
	/**
	 * Convert an interval of seconds into a two part human friendly string.
	 *
	 * The WordPress human_time_diff() function only calculates the time difference to one degree, meaning
	 * even if an action is 1 day and 11 hours away, it will display "1 day". This function goes one step
	 * further to display two degrees of accuracy.
	 *
	 * Inspired by the Crontrol::interval() function by Edward Dale: https://wordpress.org/plugins/wp-crontrol/
	 *
	 * @param int $interval A interval in seconds.
	 * @param int $periods_to_include Depth of time periods to include, e.g. for an interval of 70, and $periods_to_include of 2, both minutes and seconds would be included. With a value of 1, only minutes would be included.
	 * @return string A human friendly string representation of the interval.
	 */
	private static function human_interval( $interval, $periods_to_include = 2 ) {

if ( $interval <= 0 ) {
			return __( 'Now!', 'action-scheduler' );
		}

$output = '';

for ( $time_period_index = 0, $periods_included = 0, $seconds_remaining = $interval; $time_period_index < count( self::$time_periods ) && $seconds_remaining > 0 && $periods_included < $periods_to_include; $time_period_index++ ) {

$periods_in_interval = floor( $seconds_remaining / self::$time_periods[ $time_period_index ]['seconds'] );

if ( $periods_in_interval > 0 ) {
				if ( ! empty( $output ) ) {
					$output .= ' ';
				}
				$output .= sprintf( _n( self::$time_periods[ $time_period_index ]['names'][0], self::$time_periods[ $time_period_index ]['names'][1], $periods_in_interval, 'action-scheduler' ), $periods_in_interval );
				$seconds_remaining -= $periods_in_interval * self::$time_periods[ $time_period_index ]['seconds'];
				$periods_included++;
			}
		}

return $output;
	}

/**
	 * Returns the recurrence of an action or 'Non-repeating'. The output is human readable.
	 *
	 * @param ActionScheduler_Action $action
	 *
	 * @return string
	 */
	protected function get_recurrence( $action ) {
		$schedule = $action->get_schedule();
		if ( $schedule->is_recurring() ) {
			$recurrence = $schedule->get_recurrence();

if ( is_numeric( $recurrence ) ) {
				/* translators: %s: time interval */
				return sprintf( __( 'Every %s', 'action-scheduler' ), self::human_interval( $recurrence ) );
			} else {
				return $recurrence;
			}
		}

return __( 'Non-repeating', 'action-scheduler' );
	}

/**
	 * Serializes the argument of an action to render it in a human friendly format.
	 *
	 * @param array $row The array representation of the current row of the table
	 *
	 * @return string
	 */
	public function column_args( array $row ) {
		if ( empty( $row['args'] ) ) {
			return apply_filters( 'action_scheduler_list_table_column_args', '', $row );
		}

$row_html = '<ul>';
		foreach ( $row['args'] as $key => $value ) {
			$row_html .= sprintf( '<li><code>%s => %s</code></li>', esc_html( var_export( $key, true ) ), esc_html( var_export( $value, true ) ) );
		}
		$row_html .= '</ul>';

return apply_filters( 'action_scheduler_list_table_column_args', $row_html, $row );
	}

/**
	 * Prints the logs entries inline. We do so to avoid loading Javascript and other hacks to show it in a modal.
	 *
	 * @param array $row Action array.
	 * @return string
	 */
	public function column_log_entries( array $row ) {

$log_entries_html = '<ol>';

$timezone = new DateTimezone( 'UTC' );

foreach ( $row['log_entries'] as $log_entry ) {
			$log_entries_html .= $this->get_log_entry_html( $log_entry, $timezone );
		}

$log_entries_html .= '</ol>';

return $log_entries_html;
	}

/**
	 * Prints the logs entries inline. We do so to avoid loading Javascript and other hacks to show it in a modal.
	 *
	 * @param ActionScheduler_LogEntry $log_entry
	 * @param DateTimezone $timezone
	 * @return string
	 */
	protected function get_log_entry_html( ActionScheduler_LogEntry $log_entry, DateTimezone $timezone ) {
		$date = $log_entry->get_date();
		$date->setTimezone( $timezone );
		return sprintf( '<li>%s %s</li>', esc_html( $date->format( 'Y-m-d H:i:s O' ) ), esc_html( $log_entry->get_message() ) );
	}

/**
	 * Only display row actions for pending actions.
	 *
	 * @param array  $row         Row to render
	 * @param string $column_name Current row
	 *
	 * @return string
	 */
	protected function maybe_render_actions( $row, $column_name ) {
		if ( 'pending' === strtolower( $row[ 'status_name' ] ) ) {
			return parent::maybe_render_actions( $row, $column_name );
		}

return '';
	}

/**
	 * Renders admin notifications
	 *
	 * Notifications:
	 *  1. When the maximum number of tasks are being executed simultaneously.
	 *  2. Notifications when a task is manually executed.
	 *  3. Tables are missing.
	 */
	public function display_admin_notices() {
		global $wpdb;

if ( ( is_a( $this->store, 'ActionScheduler_HybridStore' ) || is_a( $this->store, 'ActionScheduler_DBStore' ) ) && apply_filters( 'action_scheduler_enable_recreate_data_store', true ) ) {
			$table_list = array(
				'actionscheduler_actions',
				'actionscheduler_logs',
				'actionscheduler_groups',
				'actionscheduler_claims',
			);

$found_tables = $wpdb->get_col( "SHOW TABLES LIKE '{$wpdb->prefix}actionscheduler%'" ); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
			foreach ( $table_list as $table_name ) {
				if ( ! in_array( $wpdb->prefix . $table_name, $found_tables ) ) {
					$this->admin_notices[] = array(
						'class'   => 'error',
						'message' => __( 'It appears one or more database tables were missing. Attempting to re-create the missing table(s).' , 'action-scheduler' ),
					);
					$this->recreate_tables();
					parent::display_admin_notices();

return;
				}
			}
		}

if ( $this->runner->has_maximum_concurrent_batches() ) {
			$claim_count           = $this->store->get_claim_count();
			$this->admin_notices[] = array(
				'class'   => 'updated',
				'message' => sprintf(
					/* translators: %s: amount of claims */
					_n(
						'Maximum simultaneous queues already in progress (%s queue). No additional queues will begin processing until the current queues are complete.',
						'Maximum simultaneous queues already in progress (%s queues). No additional queues will begin processing until the current queues are complete.',
						$claim_count,
						'action-scheduler'
					),
					$claim_count
				),
			);
		} elseif ( $this->store->has_pending_actions_due() ) {

$async_request_lock_expiration = ActionScheduler::lock()->get_expiration( 'async-request-runner' );

// No lock set or lock expired
			if ( false === $async_request_lock_expiration || $async_request_lock_expiration < time() ) {
				$in_progress_url = add_query_arg( 'status', 'in-progress', remove_query_arg( 'status' ) );
				/* translators: %s: process URL */
				$async_request_message = sprintf( __( 'A new queue has begun processing. <a href="%s">View actions in-progress &raquo;</a>', 'action-scheduler' ), esc_url( $in_progress_url ) );
			} else {
				/* translators: %d: seconds */
				$async_request_message = sprintf( __( 'The next queue will begin processing in approximately %d seconds.', 'action-scheduler' ), $async_request_lock_expiration - time() );
			}

$this->admin_notices[] = array(
				'class'   => 'notice notice-info',
				'message' => $async_request_message,
			);
		}

$notification = get_transient( 'action_scheduler_admin_notice' );

if ( is_array( $notification ) ) {
			delete_transient( 'action_scheduler_admin_notice' );

$action = $this->store->fetch_action( $notification['action_id'] );
			$action_hook_html = '<code>' . $action->get_hook() . '</code>';
			if ( 1 == $notification['success'] ) {
				$class = 'updated';
				switch ( $notification['row_action_type'] ) {
					case 'run' :
						/* translators: %s: action HTML */
						$action_message_html = sprintf( __( 'Successfully executed action: %s', 'action-scheduler' ), $action_hook_html );
						break;
					case 'cancel' :
						/* translators: %s: action HTML */
						$action_message_html = sprintf( __( 'Successfully canceled action: %s', 'action-scheduler' ), $action_hook_html );
						break;
					default :
						/* translators: %s: action HTML */
						$action_message_html = sprintf( __( 'Successfully processed change for action: %s', 'action-scheduler' ), $action_hook_html );
						break;
				}
			} else {
				$class = 'error';
				/* translators: 1: action HTML 2: action ID 3: error message */
				$action_message_html = sprintf( __( 'Could not process change for action: "%1$s" (ID: %2$d). Error: %3$s', 'action-scheduler' ), $action_hook_html, esc_html( $notification['action_id'] ), esc_html( $notification['error_message'] ) );
			}

$action_message_html = apply_filters( 'action_scheduler_admin_notice_html', $action_message_html, $action, $notification );

$this->admin_notices[] = array(
				'class'   => $class,
				'message' => $action_message_html,
			);
		}

parent::display_admin_notices();
	}

/**
	 * Prints the scheduled date in a human friendly format.
	 *
	 * @param array $row The array representation of the current row of the table
	 *
	 * @return string
	 */
	public function column_schedule( $row ) {
		return $this->get_schedule_display_string( $row['schedule'] );
	}

/**
	 * Get the scheduled date in a human friendly format.
	 *
	 * @param ActionScheduler_Schedule $schedule
	 * @return string
	 */
	protected function get_schedule_display_string( ActionScheduler_Schedule $schedule ) {

$schedule_display_string = '';

if ( is_a( $schedule, 'ActionScheduler_NullSchedule' ) ) {
			return __( 'async', 'action-scheduler' );
		}

if ( ! $schedule->get_date() ) {
			return '0000-00-00 00:00:00';
		}

$next_timestamp = $schedule->get_date()->getTimestamp();

$schedule_display_string .= $schedule->get_date()->format( 'Y-m-d H:i:s O' );
		$schedule_display_string .= ' ';

if ( gmdate( 'U' ) > $next_timestamp ) {
			/* translators: %s: date interval */
			$schedule_display_string .= sprintf( __( ' (%s ago)', 'action-scheduler' ), self::human_interval( gmdate( 'U' ) - $next_timestamp ) );
		} else {
			/* translators: %s: date interval */
			$schedule_display_string .= sprintf( __( ' (%s)', 'action-scheduler' ), self::human_interval( $next_timestamp - gmdate( 'U' ) ) );
		}

return $schedule_display_string;
	}

/**
	 * Bulk delete
	 *
	 * Deletes actions based on their ID. This is the handler for the bulk delete. It assumes the data
	 * properly validated by the callee and it will delete the actions without any extra validation.
	 *
	 * @param array $ids
	 * @param string $ids_sql Inherited and unused
	 */
	protected function bulk_delete( array $ids, $ids_sql ) {
		foreach ( $ids as $id ) {
			$this->store->delete_action( $id );
		}
	}

/**
	 * Implements the logic behind running an action. ActionScheduler_Abstract_ListTable validates the request and their
	 * parameters are valid.
	 *
	 * @param int $action_id
	 */
	protected function row_action_cancel( $action_id ) {
		$this->process_row_action( $action_id, 'cancel' );
	}

/**
	 * Implements the logic behind running an action. ActionScheduler_Abstract_ListTable validates the request and their
	 * parameters are valid.
	 *
	 * @param int $action_id
	 */
	protected function row_action_run( $action_id ) {
		$this->process_row_action( $action_id, 'run' );
	}

/**
	 * Force the data store schema updates.
	 */
	protected function recreate_tables() {
		if ( is_a( $this->store, 'ActionScheduler_HybridStore' ) ) {
			$store = $this->store;
		} else {
			$store = new ActionScheduler_HybridStore();
		}
		add_action( 'action_scheduler/created_table', array( $store, 'set_autoincrement' ), 10, 2 );

$store_schema  = new ActionScheduler_StoreSchema();
		$logger_schema = new ActionScheduler_LoggerSchema();
		$store_schema->register_tables( true );
		$logger_schema->register_tables( true );

remove_action( 'action_scheduler/created_table', array( $store, 'set_autoincrement' ), 10 );
	}
	/**
	 * Implements the logic behind processing an action once an action link is clicked on the list table.
	 *
	 * @param int $action_id
	 * @param string $row_action_type The type of action to perform on the action.
	 */
	protected function process_row_action( $action_id, $row_action_type ) {
		try {
			switch ( $row_action_type ) {
				case 'run' :
					$this->runner->process_action( $action_id, 'Admin List Table' );
					break;
				case 'cancel' :
					$this->store->cancel_action( $action_id );
					break;
			}
			$success = 1;
			$error_message = '';
		} catch ( Exception $e ) {
			$success = 0;
			$error_message = $e->getMessage();
		}

set_transient( 'action_scheduler_admin_notice', compact( 'action_id', 'success', 'error_message', 'row_action_type' ), 30 );
	}

/**
	 * {@inheritDoc}
	 */
	public function prepare_items() {
		$this->prepare_column_headers();

$per_page = $this->get_items_per_page( $this->get_per_page_option_name(), $this->items_per_page );

$query = array(
			'per_page' => $per_page,
			'offset'   => $this->get_items_offset(),
			'status'   => $this->get_request_status(),
			'orderby'  => $this->get_request_orderby(),
			'order'    => $this->get_request_order(),
			'search'   => $this->get_request_search_query(),
		);

/**
		 * Change query arguments to query for past-due actions.
		 * Past-due actions have the 'pending' status and are in the past.
		 * This is needed because registering 'past-due' as a status is overkill.
		 */
		if ( 'past-due' === $this->get_request_status() ) {
			$query['status'] = ActionScheduler_Store::STATUS_PENDING;
			$query['date']   = as_get_datetime_object();
		}

$this->items = array();

$total_items = $this->store->query_actions( $query, 'count' );

$status_labels = $this->store->get_status_labels();

foreach ( $this->store->query_actions( $query ) as $action_id ) {
			try {
				$action = $this->store->fetch_action( $action_id );
			} catch ( Exception $e ) {
				continue;
			}
			if ( is_a( $action, 'ActionScheduler_NullAction' ) ) {
				continue;
			}
			$this->items[ $action_id ] = array(
				'ID'          => $action_id,
				'hook'        => $action->get_hook(),
				'status_name' => $this->store->get_status( $action_id ),
				'status'      => $status_labels[ $this->store->get_status( $action_id ) ],
				'args'        => $action->get_args(),
				'group'       => $action->get_group(),
				'log_entries' => $this->logger->get_logs( $action_id ),
				'claim_id'    => $this->store->get_claim_id( $action_id ),
				'recurrence'  => $this->get_recurrence( $action ),
				'schedule'    => $action->get_schedule(),
			);
		}

$this->set_pagination_args( array(
			'total_items' => $total_items,
			'per_page'    => $per_page,
			'total_pages' => ceil( $total_items / $per_page ),
		) );
	}

/**
	 * Prints the available statuses so the user can click to filter.
	 */
	protected function display_filter_by_status() {
		$this->status_counts = $this->store->action_counts() + $this->store->extra_action_counts();
		parent::display_filter_by_status();
	}

/**
	 * Get the text to display in the search box on the list table.
	 */
	protected function get_search_box_button_text() {
		return __( 'Search hook, args and claim ID', 'action-scheduler' );
	}

/**
	 * {@inheritDoc}
	 */
	protected function get_per_page_option_name() {
		return str_replace( '-', '_', $this->screen->id ) . '_per_page';
	}
}