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<?php |
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|
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if (!defined('UD_CENTRAL_DIR')) die('Security check'); |
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|
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/** |
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* Handles DB request intended for the "updraftcentral_user_cron" table |
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*/ |
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class UpdraftCentral_User_Cron { |
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|
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/** |
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* The name of the table that we are working on that |
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* is stored in the Database. Includes the actual name with prefixes. |
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* |
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* @internal |
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* @var string $table |
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*/ |
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private $table; |
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|
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|
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/** |
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* The class constructor. Initializes the $table member variable. |
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*/ |
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public function __construct() { |
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global $wpdb; |
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|
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$table_prefix = UpdraftCentral()->table_prefix; |
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$this->table = $wpdb->base_prefix.$table_prefix.'user_cron'; |
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} |
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|
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/** |
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* Retrieves a list of user IDs where the user's pending cron process |
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* had passed a certain process interval (1 hour at least) |
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* |
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* @param int|boolean $limit Optional. The number of record(s) to return. Defaults to return every records it can find. |
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* @return array - The list of user IDs found. |
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*/ |
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public function get_process_queue($limit = false) { |
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global $wpdb; |
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|
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// At least the minimum time interval the last process was executed. Default to 1 hour (3600). |
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$process_interval = apply_filters('updraftcentral_process_interval', 3600); |
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|
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$records_to_return = ""; |
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if (false !== $limit && is_int($limit)) { |
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$records_to_return = " LIMIT ".$limit; |
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} |
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|
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$result = $wpdb->get_col($wpdb->prepare("SELECT user_id FROM {$this->table} WHERE (UNIX_TIMESTAMP()-last_run) > %d ORDER BY last_run DESC".$records_to_return, $process_interval)); |
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|
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return $result; |
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} |
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|
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/** |
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* Updates the last_run field for the given user. |
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* |
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* @param int $user_id The ID of the user |
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* @return boolean - True, when the update process succeeded. False, otherwise. |
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*/ |
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public function update_last_run($user_id) { |
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global $wpdb; |
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|
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$data = array('last_run' => time()); |
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$where = compact('user_id'); |
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|
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// Run the update query, all fields in $data are %s, $where is a %d. |
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$result = $wpdb->update($this->table, $data, $where, '%d', '%d'); |
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if (false !== $result) { |
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return true; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Insert a new entry in the "updraftcentral_user_cron" table for the current user |
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* if it doesn't exists yet |
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* |
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* @param int $user_id The ID of the user |
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* @return boolean - True, when the insert process succeeded. False, otherwise. |
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*/ |
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public function maybe_insert_entry($user_id) { |
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global $wpdb; |
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|
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$result = $wpdb->get_col($wpdb->prepare("SELECT id FROM {$this->table} WHERE user_id = %d", $user_id)); |
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if (empty($result) && !empty($user_id)) { |
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// We make sure that this gets picked up by the "get_process_queue" api by deducting 24 hours |
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// from the current time. This applies to new entries only, since no process has been check yet for these new entries. |
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$last_run = time() - (24 * 60 * 60); |
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|
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$data = compact('user_id', 'last_run'); |
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$result = $wpdb->insert($this->table, $data, '%d'); |
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if (false !== $result) { |
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return true; |
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} |
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} |
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|
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return false; |
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} |
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} |
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|
