views_plugin_cache_time.inc

<?php


/**
 * Simple caching of query results for Views displays.
 */
class views_plugin_cache_time extends views_plugin_cache {
    function option_definition() {
        $options = parent::option_definition();
        $options['results_lifespan'] = array(
            'default' => 3600,
        );
        $options['output_lifespan'] = array(
            'default' => 3600,
        );
        return $options;
    }
    function options_form(&$form, &$form_state) {
        $options = array(
            60,
            300,
            1800,
            3600,
            21600,
            518400,
        );
        $options = drupal_map_assoc($options, 'format_interval');
        $options = array(
            -1 => t('Never cache'),
        ) + $options;
        $form['results_lifespan'] = array(
            '#type' => 'select',
            '#title' => t('Query results'),
            '#description' => t('The length of time raw query results should be cached.'),
            '#options' => $options,
            '#default_value' => $this->options['results_lifespan'],
        );
        $form['output_lifespan'] = array(
            '#type' => 'select',
            '#title' => t('Rendered output'),
            '#description' => t('The length of time rendered HTML output should be cached.'),
            '#options' => $options,
            '#default_value' => $this->options['output_lifespan'],
        );
    }
    function summary_title() {
        return format_interval($this->options['results_lifespan'], 1) . '/' . format_interval($this->options['output_lifespan'], 1);
    }
    function cache_expire($type) {
        if ($lifespan = $this->options[$type . '_lifespan']) {
            $cutoff = time() - $lifespan;
            return $cutoff;
        }
        else {
            return FALSE;
        }
    }
    function cache_set_expire($type) {
        if ($lifespan = $this->options[$type . '_lifespan']) {
            return time() + $lifespan;
        }
        else {
            return CACHE_PERMANENT;
        }
    }

}