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<?php
// $Id$
/**
* @file
* User page callbacks for the search module.
*/
/**
* Menu callback; presents the search form and/or search results.
*
* @param $module
* Search module to use for the search.
* @param $keys
* Keywords to use for the search.
*/
function search_view($module = NULL, $keys = '') {
$info = FALSE;
$redirect = FALSE;
$keys = trim($keys);
// Also try to pull search keywords out of the $_REQUEST variable to
// support old GET format of searches for existing links.
if (!$keys && !empty($_REQUEST['keys'])) {
$keys = trim($_REQUEST['keys']);
}
if (!empty($module)) {
$active_module_info = search_get_info();
if (isset($active_module_info[$module])) {
$info = $active_module_info[$module];
}
}
if (empty($info)) {
// No path or invalid path: find the default module. Note that if there
// are no enabled search modules, this function should never be called,
// since hook_menu() would not have defined any search paths.
$info = search_get_default_module_info();
// Redirect from bare /search or an invalid path to the default search path.
$path = 'search/' . $info['path'];
if ($keys) {
$path .= '/' . $keys;
}
drupal_goto($path);
}
// Default results output is an empty string.
$results = array('#markup' => '');
// Process the search form. Note that if there is $_POST data,
// search_form_submit() will cause a redirect to search/[module path]/[keys],
// which will get us back to this page callback. In other words, the search
// form submits with POST but redirects to GET. This way we can keep
// the search query URL clean as a whistle.
if (empty($_POST['form_id']) || $_POST['form_id'] != 'search_form') {
$conditions = NULL;
if (isset($info['conditions_callback']) && function_exists($info['conditions_callback'])) {
// Build an optional array of more search conditions.
$conditions = call_user_func($info['conditions_callback'], $keys);
}
// Only search if there are keywords or non-empty conditions.
if ($keys || !empty($conditions)) {
// Log the search keys.
watchdog('search', 'Searched %type for %keys.', array('%keys' => $keys, '%type' => $info['title']), WATCHDOG_NOTICE, l(t('results'), 'search/' . $info['path'] . '/' . $keys));
// Collect the search results.
$results = search_data($keys, $info['module'], $conditions);
}
}
// The form may be altered based on whether the search was run.
$build['search_form'] = drupal_get_form('search_form', NULL, $keys, $info['module']);
$build['search_results'] = $results;
return $build;
}
/**
* Process variables for search-results.tpl.php.
*
* The $variables array contains the following arguments:
* - $results: Search results array.
* - $module: Module the search results came from (module implementing
* hook_search_info()).
*
* @see search-results.tpl.php
*/
function template_preprocess_search_results(&$variables) {
$variables['search_results'] = '';
if (!empty($variables['module'])) {
$variables['module'] = check_plain($variables['module']);
}
foreach ($variables['results'] as $result) {
$variables['search_results'] .= theme('search_result', array('result' => $result, 'module' => $variables['module']));
}
$variables['pager'] = theme('pager', array('tags' => NULL));
$variables['theme_hook_suggestions'][] = 'search_results__' . $variables['module'];
}
/**
* Process variables for search-result.tpl.php.
*
* The $variables array contains the following arguments:
* - $result
* - $module
*
* @see search-result.tpl.php
*/
function template_preprocess_search_result(&$variables) {
global $language;
$result = $variables['result'];
$variables['url'] = check_url($result['link']);
$variables['title'] = check_plain($result['title']);
if (isset($result['language']) && $result['language'] != $language->language && $result['language'] != LANGUAGE_NONE) {
$variables['title_attributes_array']['xml:lang'] = $result['language'];
$variables['content_attributes_array']['xml:lang'] = $result['language'];
}
$info = array();
if (!empty($result['module'])) {
$info['module'] = check_plain($result['module']);
}
if (!empty($result['user'])) {
$info['user'] = $result['user'];
}
if (!empty($result['date'])) {
$info['date'] = format_date($result['date'], 'short');
}
if (isset($result['extra']) && is_array($result['extra'])) {
$info = array_merge($info, $result['extra']);
}
// Check for existence. User search does not include snippets.
$variables['snippet'] = isset($result['snippet']) ? $result['snippet'] : '';
// Provide separated and grouped meta information..
$variables['info_split'] = $info;
$variables['info'] = implode(' - ', $info);
$variables['theme_hook_suggestions'][] = 'search_result__' . $variables['module'];
}
/**
* As the search form collates keys from other modules hooked in via
* hook_form_alter, the validation takes place in _submit.
* search_form_validate() is used solely to set the 'processed_keys' form
* value for the basic search form.
*/
function search_form_validate($form, &$form_state) {
form_set_value($form['basic']['processed_keys'], trim($form_state['values']['keys']), $form_state);
}
/**
* Process a search form submission.
*/
function search_form_submit($form, &$form_state) {
$keys = $form_state['values']['processed_keys'];
if ($keys == '') {
form_set_error('keys', t('Please enter some keywords.'));
// Fall through to the form redirect.
}
$form_state['redirect'] = $form_state['action'] . '/' . $keys;
return;
}
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