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<?php |
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|
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class Red_Flusher { |
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const DELETE_HOOK = 'redirection_log_delete'; |
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const DELETE_FREQ = 'daily'; |
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const DELETE_MAX = 1000; |
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const DELETE_KEEP_ON = 15; // 15 minutes |
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|
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public function flush() { |
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$options = red_get_options(); |
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|
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$total = $this->expire_logs( 'redirection_logs', $options['expire_redirect'] ); |
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$total += $this->expire_logs( 'redirection_404', $options['expire_404'] ); |
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|
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if ( $total >= self::DELETE_MAX ) { |
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$next = time() + ( self::DELETE_KEEP_ON * 60 ); |
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|
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// There are still more logs to clear - keep on doing until we're clean or until the next normal event |
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if ( $next < wp_next_scheduled( self::DELETE_HOOK ) ) { |
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wp_schedule_single_event( $next, self::DELETE_HOOK ); |
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} |
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} |
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|
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$this->optimize_logs(); |
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} |
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|
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private function optimize_logs() { |
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global $wpdb; |
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|
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$rand = mt_rand( 1, 5000 ); |
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|
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if ( $rand === 11 ) |
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$wpdb->query( "OPTIMIZE TABLE {$wpdb->prefix}redirection_logs" ); |
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elseif ( $rand === 12 ) |
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$wpdb->query( "OPTIMIZE TABLE {$wpdb->prefix}redirection_404" ); |
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} |
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|
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private function expire_logs( $table, $expiry_time ) { |
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global $wpdb; |
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|
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if ( $expiry_time > 0 ) { |
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$logs = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM {$wpdb->prefix}{$table} WHERE created < DATE_SUB(NOW(), INTERVAL %d DAY)", $expiry_time ) ); |
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|
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if ( $logs > 0 ) { |
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$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}{$table} WHERE created < DATE_SUB(NOW(), INTERVAL %d DAY) LIMIT %d", $expiry_time, self::DELETE_MAX ) ); |
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return min( self::DELETE_MAX, $logs ); |
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} |
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} |
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|
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return 0; |
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} |
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|
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public static function schedule() { |
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$options = red_get_options(); |
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|
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if ( $options['expire_redirect'] > 0 || $options['expire_404'] > 0 ) { |
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if ( ! wp_next_scheduled( self::DELETE_HOOK ) ) { |
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wp_schedule_event( time(), self::DELETE_FREQ, self::DELETE_HOOK ); |
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} |
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} |
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else { |
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Red_Flusher::clear(); |
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} |
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} |
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|
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public static function clear() { |
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wp_clear_scheduled_hook( self::DELETE_HOOK ); |
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} |
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} |
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|
