✏️ Editing: class_clean_cron.php Writable

<?php

class ADBC_Tasks_List extends WP_List_Table {

/** Holds the message to be displayed if any */
	private $aDBc_message = "";

/** Holds the class for the message : updated or error. Default is updated */
	private $aDBc_class_message = "updated";

/** Holds tasks that will be displayed */
	private $aDBc_tasks_to_display = array();

/** Holds counts + info of tasks categories */
	private $aDBc_tasks_categories_info	= array();

/** Should we display "run search" or "continue search" button (after a timeout failed). Default is "run search" */
	private $aDBc_which_button_to_show = "new_search";

// This array contains belongs_to info about plugins and themes
	private $array_belongs_to_counts = array();

// Holds msg that will be shown if the scan has finished with success
	private $aDBc_search_has_finished_msg = "";

// Holds msg that will be shown if folder adbc_uploads cannot be created by the plugin (This is verified after clicking on scan button)
	private $aDBc_permission_adbc_folder_msg = "";

function __construct() {

parent::__construct( array(
            'singular'  => __( 'Task', 'advanced-database-cleaner' ),
            'plural'    => __( 'Tasks', 'advanced-database-cleaner' ),
            'ajax'      => false
		) );

$this->aDBc_prepare_and_count_tasks();
		$this->aDBc_print_page_content();
    }

/** Prepare items */
	function aDBc_prepare_and_count_tasks() {

if ( ADBC_PLUGIN_PLAN == "pro" ) {

// If the search has finished, show a msg success to users + button to double check results against our server database
			$this->aDBc_search_has_finished_msg = aDBc_get_msg_double_check( "tasks" );

// Verify if the adbc_uploads cannot be created
			$adbc_folder_permission = get_option( "aDBc_permission_adbc_folder_needed" );

if ( ! empty( $adbc_folder_permission ) ) {

$this->aDBc_permission_adbc_folder_msg = sprintf( __( 'The plugin needs to create the following directory "%1$s" to save the scan results but this was not possible automatically. Please create that directory manually and set correct permissions so it can be writable by the plugin.','advanced-database-cleaner' ), ADBC_UPLOAD_DIR_PATH_TO_ADBC );

// Once we display the msg, we delete that option from DB
				delete_option( "aDBc_permission_adbc_folder_needed" );

}

// Verify if the user wants to edit the categorization of a task. This block test comes from edit_item_categorization.php
		if ( ADBC_PLUGIN_PLAN == "pro" ) {

if ( isset( $_POST['aDBc_cancel'] ) ) {

// If the user cancels the edit, remove the temp file
				if ( file_exists( ADBC_UPLOAD_DIR_PATH_TO_ADBC . "/tasks_manually_correction_temp.txt" ) )
					unlink( ADBC_UPLOAD_DIR_PATH_TO_ADBC . "/tasks_manually_correction_temp.txt" );

} else if ( isset( $_POST['aDBc_correct'] ) ) {

// Get the new belongs to of items
				$new_belongs_to = $_POST['new_belongs_to'];

// Get value of checkbox to see if user wants to send correction to the server
				if ( isset( $_POST['aDBc_send_correction_to_server'] ) ) {
					$this->aDBc_message = aDBc_edit_categorization_of_items( "tasks", $new_belongs_to, 1 );
				} else {
					$this->aDBc_message = aDBc_edit_categorization_of_items( "tasks", $new_belongs_to, 0 );
				}

// Remove the temp file
				if ( file_exists( ADBC_UPLOAD_DIR_PATH_TO_ADBC . "/tasks_manually_correction_temp.txt" ) )
					unlink( ADBC_UPLOAD_DIR_PATH_TO_ADBC . "/tasks_manually_correction_temp.txt" );
			}
		}

// Process bulk action if any before preparing tasks to display
		$this->process_bulk_action();

// Prepare data
		aDBc_prepare_items_to_display(
			$this->aDBc_tasks_to_display,
			$this->aDBc_tasks_categories_info,
			$this->aDBc_which_button_to_show,
			array(),
			array(),
			$this->array_belongs_to_counts,
			$this->aDBc_message,
			$this->aDBc_class_message,
			"tasks"
		);

// Call WP prepare_items function
		$this->prepare_items();
	}

/** WP: Get columns */
	function get_columns() {

$aDBc_belongs_to_toolip = "<span class='aDBc-tooltips-headers'>
									<img class='aDBc-info-image' src='".  ADBC_PLUGIN_DIR_PATH . '/images/information2.svg' . "'/>
									<span>" . __( 'Indicates the creator of the task: either a plugin, a theme or WordPress itself. If not sure about the creator, an estimation (%) will be displayed. The higher the percentage is, the more likely that the task belongs to that creator.','advanced-database-cleaner' ) ." </span>
								  </span>";
		$columns = array(
			'cb'        		=> '<input type="checkbox" />',
			'hook_name' 		=> __( 'Hook name','advanced-database-cleaner' ),
			'arguments' 		=> __( 'Arguments','advanced-database-cleaner' ),
			'next_run'  		=> __( 'Next run - Frequency','advanced-database-cleaner' ),
			'site_id'   		=> __( 'Site','advanced-database-cleaner' ),
			'hook_belongs_to'  	=> __( 'Belongs to','advanced-database-cleaner' ) . $aDBc_belongs_to_toolip
		);

return $columns;
	}

function get_sortable_columns() {

$sortable_columns = array(

'hook_name'  => array( 'hook_name', false ),
			'site_id'    => array( 'site_id', false )

);

return $sortable_columns;
	}

/** WP: Prepare items to display */
	function prepare_items() {
		$columns 	= $this->get_columns();
		$hidden 	= $this->get_hidden_columns();
		$sortable 	= $this->get_sortable_columns();
		$this->_column_headers  = array($columns, $hidden, $sortable);
		$per_page 	= 50;
		if(!empty($_GET['per_page'])){
			$per_page = absint($_GET['per_page']);
		}
		$current_page = $this->get_pagenum();
		// Prepare sequence of tasks to display
		$display_data = array_slice($this->aDBc_tasks_to_display,(($current_page-1) * $per_page), $per_page);
		$this->set_pagination_args( array(
			'total_items' => count($this->aDBc_tasks_to_display),
			'per_page'    => $per_page
		));
		$this->items = $display_data;
	}

/** WP: Get columns that should be hidden */
    function get_hidden_columns(){
		// If MU, nothing to hide, else hide Side ID column
		if(function_exists('is_multisite') && is_multisite()){
			return array();
		}else{
			return array('site_id');
		}
    }

/** WP: Column default */
	function column_default($item, $column_name){
		switch($column_name){
			case 'arguments':
				if($item[$column_name] == "none"){
					return "<span>" . __('None', 'advanced-database-cleaner') . "</span>";
				}else{
					$unserialized_args = json_decode($item[$column_name]);

// If the arguments are not an array, we return [N/A]
					if (is_array($unserialized_args)) {
						$args_as_string = array_map(function($arg) {
							return (is_object($arg) || is_array($arg)) ? json_encode($arg) : (string) $arg;
						}, $unserialized_args);
					
						return "<span class='aDBc-arguments'>" . implode(" / ", $args_as_string) . "</span>";
					} else {
						return "<span class='aDBc-arguments'>[N/A]</span>";
					}
				}
				break;
			case 'hook_name':
			case 'next_run':
			case 'site_id':
			case 'hook_belongs_to':
			  return $item[$column_name];
			default:
			  return print_r($item, true) ; //Show the whole array for troubleshooting purposes
		}
	}

/** WP: Column cb for check box */
	function column_cb($item) {
		return sprintf("<input type='checkbox' name='aDBc_elements_to_process[]' value='%s' />", $item['site_id']."|".$item['hook_name']."|".$item['timestamp']."|".$item['arguments']);
	}

/** WP: Get bulk actions */
	function get_bulk_actions() {

$actions = array(
			'scan_selected' 		=> __( 'Scan selected tasks','advanced-database-cleaner' ),
			'edit_categorization' 	=> __( 'Edit categorization','advanced-database-cleaner' ),
			'delete'    			=> __( 'Delete','advanced-database-cleaner' )
		);

if ( ADBC_PLUGIN_PLAN == "free" ) {

unset( $actions['scan_selected'] );
			unset( $actions['edit_categorization'] );

}

return $actions;
	}

/** WP: Message to display when no items found */
	function no_items() {

_e('No tasks found!','advanced-database-cleaner');

}

/** WP: Process bulk actions */
    public function process_bulk_action() {

// Detect when a bulk action is being triggered.
		$action = $this->current_action();

if ( ! $action )
			return;

// security check!
		check_admin_referer( 'bulk-' . $this->_args['plural'] );

// Check role
		if ( ! current_user_can( 'administrator' ) )
			wp_die( 'Security check failed!' );

if ( $action == 'delete' ) {

// xxx Have a look at the remark with the code 16230-code in Trello
			// If the user wants to clean the tasks he/she selected
			if(isset($_POST['aDBc_elements_to_process'])){
				if(function_exists('is_multisite') && is_multisite()){
					// Prepare tasks to delete in organized array to minimize switching from blogs
					$tasks_to_delete = array();
					foreach($_POST['aDBc_elements_to_process'] as $task){
						$task_info 	= explode("|", $task, 2);
						$site_id 	= sanitize_html_class($task_info[0]);
						if(is_numeric($site_id)){
							if(empty($tasks_to_delete[$site_id])){
								$tasks_to_delete[$site_id] = array();
							}
							array_push($tasks_to_delete[$site_id], $task);
						}
					}
					// Delete tasks
					foreach($tasks_to_delete as $site_id => $tasks_info){
						switch_to_blog($site_id);
						foreach($tasks_info as $task) {
							$aDBc_cron_info = explode("|", $task, 4);

$hook 			= sanitize_text_field($aDBc_cron_info[1]);
							// We delete some characters we believe they should not appear in the name: & < > = # ( ) [ ] { } ? " '
							$hook 			= preg_replace("/[&<>=#\[\]\{\}\?\"\' ]/", '', $hook);
							$timestamp 		= sanitize_html_class($aDBc_cron_info[2]);
							$args 			= sanitize_text_field($aDBc_cron_info[3]);
							if(is_numeric($timestamp)){
								if($args == "none"){
									wp_unschedule_event($timestamp, $hook);
								}else{
									$args = json_decode(stripslashes($args));
									wp_unschedule_event($timestamp, $hook, $args);
									// Check if the user has deleted a task beloging to this plugin. If so, update his data in DB to inactive
									// A task of ADBC cannot be without an arg, not necessary to add this check to "none" args
									if($hook == "aDBc_clean_scheduler"){
										aDBc_update_task_in_db_after_delete(sanitize_html_class($args[0]), "aDBc_clean_schedule");
									}else if($hook == "aDBc_optimize_scheduler"){
										aDBc_update_task_in_db_after_delete(sanitize_html_class($args[0]), "aDBc_optimize_schedule");
									}
								}
							}
						}
						restore_current_blog();
					}
				}else{
					foreach($_POST['aDBc_elements_to_process'] as $task) {
						$aDBc_cron_info = explode("|", $task, 4);
						$hook 			= sanitize_text_field($aDBc_cron_info[1]);
						// We delete some characters we believe they should not appear in the name: & < > = # ( ) [ ] { } ? " '
						$hook 			= preg_replace("/[&<>=#\[\]\{\}\?\"\' ]/", '', $hook);
						$timestamp 		= sanitize_html_class($aDBc_cron_info[2]);
						$args 			= sanitize_text_field($aDBc_cron_info[3]);
						if(is_numeric($timestamp)){
							if($args == "none"){
								wp_unschedule_event($timestamp, $hook);
							}else{
								$args = json_decode(stripslashes($args));
								wp_unschedule_event($timestamp, $hook, $args);
								// Check if the user has deleted a task beloging to this plugin. If so, update his data in DB to inactive
								// A task of ADBC cannot be without an arg, not necessary to add this check to "none" args
								if($hook == "aDBc_clean_scheduler"){
									aDBc_update_task_in_db_after_delete(sanitize_html_class($args[0]), "aDBc_clean_schedule");
								}else if($hook == "aDBc_optimize_scheduler"){
									aDBc_update_task_in_db_after_delete(sanitize_html_class($args[0]), "aDBc_optimize_schedule");
								}
							}
						}
					}
				}
				// Update the message to show to the user
				$this->aDBc_message = __('Selected scheduled tasks cleaned successfully!', 'advanced-database-cleaner');
			}
        }else if($action == 'edit_categorization'){
			// If the user wants to edit categorization of the tasks he/she selected
			if(isset($_POST['aDBc_elements_to_process'])){
				// Create a temp file containing tasks names to change categorization for
				$aDBc_path_items = @fopen(ADBC_UPLOAD_DIR_PATH_TO_ADBC . "/tasks_manually_correction_temp.txt", "w");
				if($aDBc_path_items){
					foreach($_POST['aDBc_elements_to_process'] as $task) {
						$task_info = explode("|", $task);
						$hook = sanitize_text_field($task_info[1]);
						// We delete some characters we believe they should not appear in the name: & < > = # ( ) [ ] { } ? " '
						$hook = preg_replace("/[&<>=#\[\]\{\}\?\"\' ]/", '', $hook);
						fwrite($aDBc_path_items, $hook . "\n");
					}
					fclose($aDBc_path_items);
				}
			}
		}
    }

/** Print the page content */
	function aDBc_print_page_content(){
		// Print a message if any
		if($this->aDBc_message != ""){
			echo '<div id="aDBc_message" class="' . $this->aDBc_class_message . ' notice is-dismissible"><p>' . $this->aDBc_message . '</p></div>';
		}

// If the search has finished, show a msg success to users + button to double check results against our server database
		echo $this->aDBc_search_has_finished_msg;

// If the folder adbc_uploads cannot be created, show a msg to users
		if(!empty($this->aDBc_permission_adbc_folder_msg)){
			echo '<div class="error notice is-dismissible"><p>' . $this->aDBc_permission_adbc_folder_msg . '</p></div>';
		}

?>
		<div class="aDBc-content-max-width">

<?php

// If tasks_manually_correction_temp.txt exist, this means that user want to edit categorization

if ( ADBC_PLUGIN_PLAN == "pro" && file_exists( ADBC_UPLOAD_DIR_PATH_TO_ADBC . '/tasks_manually_correction_temp.txt' ) ) {

include_once 'edit_item_categorization.php';

} else {

// If not, we print the tasks normally
			// Print a notice/warning according to each type of tasks
			if ( ADBC_PLUGIN_PLAN == "pro" ) {

if($_GET['aDBc_cat'] == 'o' && $this->aDBc_tasks_categories_info['o']['count'] > 0){
					echo '<div class="aDBc-box-warning-orphan">' . __('Tasks below seem to be orphan! However, please delete only those you are sure to be orphan!','advanced-database-cleaner') . '</div>';
				}else if(($_GET['aDBc_cat'] == 'all' || $_GET['aDBc_cat'] == 'u') && $this->aDBc_tasks_categories_info['u']['count'] > 0){
					echo '<div class="aDBc-box-info">' . __('Some of your tasks are not categorized yet! Please click on the button below to categorize them!','advanced-database-cleaner') . '</div>';
				}

}

<div style="float:left">

<?php
				if ( $this->aDBc_which_button_to_show == "new_search" ) {
					$aDBc_search_text  	= __( 'Scan tasks', 'advanced-database-cleaner' );
				} else {
					$aDBc_search_text  	= __( 'Continue scannig ...', 'advanced-database-cleaner' );
				}
				?>

<input type="hidden" id="aDBc_item_type" value="tasks"/>

<?php
				// These hidden inputs are used by ajax to see if we should execute the scan automatically after reloading a page
				$iteration = get_option("aDBc_temp_last_iteration_tasks");
				?>
				<input type="hidden" id="aDBc_iteration" value="<?php echo $iteration; ?>"/>
				<input type="hidden" id="aDBc_count_uncategorized" value="<?php echo $this->aDBc_tasks_categories_info['u']['count']; ?>"/>
				<input type="hidden" id="aDBc_count_all_items" value="<?php echo $this->aDBc_tasks_categories_info['all']['count']; ?>"/>

<?php

if ( ADBC_PLUGIN_PLAN == "pro" ) {

<input id="aDBc_new_search_button" type="submit" class="aDBc-run-new-search" value="<?php echo $aDBc_search_text; ?>"  name="aDBc_new_search_button" />

<?php

} else {

<input id="aDBc_new_search_button" type="submit" class="aDBc-run-new-search" value="<?php echo $aDBc_search_text; ?>"  name="aDBc_new_search_button" style="opacity:0.5" disabled />

<?php _e('Please <a href="?page=advanced_db_cleaner&aDBc_tab=premium">upgrade</a> to Pro to categorize and detect orphaned tasks','advanced-database-cleaner') ?>

</span>

</div>

<?php
				}
				?>

</div>

<div class="aDBc-category-counts">

<?php

$aDBc_new_URI = $_SERVER['REQUEST_URI'];

// Remove the paged parameter to start always from the first page when selecting a new category
				$aDBc_new_URI = remove_query_arg( 'paged', $aDBc_new_URI );

foreach ( $this->aDBc_tasks_categories_info as $abreviation => $category_info ) {

$aDBc_new_URI 		= add_query_arg( 'aDBc_cat', $abreviation, $aDBc_new_URI );
					$selected_color 	= $abreviation == $_GET['aDBc_cat'] ? $category_info['color'] : '#eee';
					$aDBc_link_style 	= "color:" . $category_info['color'];
					$aDBc_count 		= $category_info['count'];

if ( ADBC_PLUGIN_PLAN == "free" && $abreviation != "all" && $abreviation != "u" ) {

$aDBc_new_URI 		= "";
						$aDBc_link_style 	= $aDBc_link_style . ";cursor:default;pointer-events:none";
						$aDBc_count 		= "-";

}

?>
					<span class="<?php echo $abreviation == $_GET['aDBc_cat'] ? 'aDBc-selected-category' : ''?>">

<a href="<?php echo esc_url( $aDBc_new_URI ) ?>" class="aDBc-category-counts-links" style="<?php echo $aDBc_link_style ?>">

</a>

<div class="aDBc-category-total" style="border:1px solid <?php echo $selected_color ?>; border-bottom:3px solid <?php echo $selected_color ?>;">

</div>

<?php
							if ( ADBC_PLUGIN_PLAN == "free" && $abreviation != "all" && $abreviation != "u" ) {
							?>

<?php _e( 'Available in Pro version!', 'advanced-database-cleaner' ); ?>

</span>

<?php
							}
							?>

</span>

<?php
				}
				?>
			</div>

</div>

<?php include_once 'header_page_filter.php'; ?>

<?php
				$this->display();
				?>

</form>
		<?php
		}
		?>
		</div>
	<?php
	}
}

new ADBC_Tasks_List();

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