views_plugin_cache_time.inc
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<?php
/**
* @file
* Definition of views_plugin_cache_time.
*/
/**
* Simple caching of query results for Views displays.
*
* @ingroup views_cache_plugins
*/
class views_plugin_cache_time extends views_plugin_cache {
function option_definition() {
$options = parent::option_definition();
$options['results_lifespan'] = array('default' => 3600);
$options['results_lifespan_custom'] = array('default' => 0);
$options['output_lifespan'] = array('default' => 3600);
$options['output_lifespan_custom'] = array('default' => 0);
return $options;
}
function options_form(&$form, &$form_state) {
parent::options_form($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 + array('custom' => t('Custom'));
$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['results_lifespan_custom'] = array(
'#type' => 'textfield',
'#title' => t('Seconds'),
'#size' => '25',
'#maxlength' => '30',
'#description' => t('Length of time in seconds raw query results should be cached.'),
'#default_value' => $this->options['results_lifespan_custom'],
'#process' => array('form_process_select','ctools_dependent_process'),
'#dependency' => array(
'edit-cache-options-results-lifespan' => array('custom'),
),
);
$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'],
);
$form['output_lifespan_custom'] = array(
'#type' => 'textfield',
'#title' => t('Seconds'),
'#size' => '25',
'#maxlength' => '30',
'#description' => t('Length of time in seconds rendered HTML output should be cached.'),
'#default_value' => $this->options['output_lifespan_custom'],
'#process' => array('form_process_select','ctools_dependent_process'),
'#dependency' => array(
'edit-cache-options-output-lifespan' => array('custom'),
),
);
}
function options_validate(&$form, &$form_state) {
$custom_fields = array('output_lifespan', 'results_lifespan');
foreach ($custom_fields as $field) {
if ($form_state['values']['cache_options'][$field] == 'custom' && !is_numeric($form_state['values']['cache_options'][$field . '_custom'])) {
form_error($form[$field .'_custom'], t('Custom time values must be numeric.'));
}
}
}
function summary_title() {
$results_lifespan = $this->get_lifespan('results');
$output_lifespan = $this->get_lifespan('output');
return format_interval($results_lifespan, 1) . '/' . format_interval($output_lifespan, 1);
}
function get_lifespan($type) {
$lifespan = $this->options[$type . '_lifespan'] == 'custom' ? $this->options[$type . '_lifespan_custom'] : $this->options[$type . '_lifespan'];
return $lifespan;
}
function cache_expire($type) {
$lifespan = $this->get_lifespan($type);
if ($lifespan) {
$cutoff = REQUEST_TIME - $lifespan;
return $cutoff;
}
else {
return FALSE;
}
}
function cache_set_expire($type) {
$lifespan = $this->get_lifespan($type);
if ($lifespan) {
return time() + $lifespan;
}
else {
return CACHE_PERMANENT;
}
}
}