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<?php
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/**
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* @file
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* Definition of views_plugin_cache_time.
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*/
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/**
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* Simple caching of query results for Views displays.
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*
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* @ingroup views_cache_plugins
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*/
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class views_plugin_cache_time extends views_plugin_cache {
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/**
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* {@inheritdoc}
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*/
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public function option_definition() {
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$options = parent::option_definition();
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$options['results_lifespan'] = array('default' => 3600);
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$options['results_lifespan_custom'] = array('default' => 0);
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$options['output_lifespan'] = array('default' => 3600);
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$options['output_lifespan_custom'] = array('default' => 0);
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return $options;
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}
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/**
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* {@inheritdoc}
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*/
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public function options_form(&$form, &$form_state) {
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parent::options_form($form, $form_state);
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$options = array(60, 300, 1800, 3600, 21600, 518400);
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$options = drupal_map_assoc($options, 'format_interval');
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$options = array(-1 => t('Never cache')) + $options + array('custom' => t('Custom'));
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$form['results_lifespan'] = array(
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'#type' => 'select',
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'#title' => t('Query results'),
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'#description' => t('The length of time raw query results should be cached.'),
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'#options' => $options,
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'#default_value' => $this->options['results_lifespan'],
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);
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$form['results_lifespan_custom'] = array(
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'#type' => 'textfield',
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'#title' => t('Seconds'),
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'#size' => '25',
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'#maxlength' => '30',
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'#description' => t('Length of time in seconds raw query results should be cached.'),
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'#default_value' => $this->options['results_lifespan_custom'],
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'#process' => array('ctools_dependent_process'),
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'#dependency' => array(
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'edit-cache-options-results-lifespan' => array('custom'),
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),
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);
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$form['output_lifespan'] = array(
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'#type' => 'select',
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'#title' => t('Rendered output'),
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'#description' => t('The length of time rendered HTML output should be cached.'),
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'#options' => $options,
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'#default_value' => $this->options['output_lifespan'],
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);
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$form['output_lifespan_custom'] = array(
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'#type' => 'textfield',
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'#title' => t('Seconds'),
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'#size' => '25',
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'#maxlength' => '30',
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'#description' => t('Length of time in seconds rendered HTML output should be cached.'),
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'#default_value' => $this->options['output_lifespan_custom'],
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'#process' => array('ctools_dependent_process'),
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'#dependency' => array(
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'edit-cache-options-output-lifespan' => array('custom'),
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),
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function options_validate(&$form, &$form_state) {
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$custom_fields = array('output_lifespan', 'results_lifespan');
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foreach ($custom_fields as $field) {
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if ($form_state['values']['cache_options'][$field] == 'custom' && !is_numeric($form_state['values']['cache_options'][$field . '_custom'])) {
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form_error($form[$field . '_custom'], t('Custom time values must be numeric.'));
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}
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function summary_title() {
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$results_lifespan = $this->get_lifespan('results');
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$output_lifespan = $this->get_lifespan('output');
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return format_interval($results_lifespan, 1) . '/' . format_interval($output_lifespan, 1);
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}
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/**
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* {@inheritdoc}
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*/
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public function get_lifespan($type) {
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$lifespan = $this->options[$type . '_lifespan'] == 'custom' ? $this->options[$type . '_lifespan_custom'] : $this->options[$type . '_lifespan'];
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return $lifespan;
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}
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/**
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* {@inheritdoc}
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*/
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public function cache_expire($type) {
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$lifespan = $this->get_lifespan($type);
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if ($lifespan) {
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$cutoff = REQUEST_TIME - $lifespan;
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return $cutoff;
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}
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else {
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return FALSE;
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function cache_set_expire($type) {
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$lifespan = $this->get_lifespan($type);
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if ($lifespan) {
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return time() + $lifespan;
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}
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else {
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return CACHE_PERMANENT;
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function cache_set($type) {
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$lifespan = $this->get_lifespan($type);
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if ($lifespan >= 0) {
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parent::cache_set($type);
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function cache_get($type) {
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$lifespan = $this->get_lifespan($type);
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if ($lifespan >= 0) {
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return parent::cache_get($type);
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}
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else {
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return FALSE;
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}
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}
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}
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