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<?php
/**
* GlobalSearchModule for modules
*
* @author Jan-Hendrik Willms <tleilax+studip@gmail.com>
* @license GPL2 or any later version
* @since 4.1
*/
class GlobalSearchModules extends GlobalSearchModule
{
/**
* Returns the displayname for this module
*
* @return string
*/
public static function getName()
{
return _('Module');
}
/**
* Transforms the search request into an sql statement, that provides the id (same as getId) as type and
* the object id, that is later passed to the filter.
*
* @param strinig $search the input query string
* @param array $filter an array with search limiting filter information (e.g. 'category', 'semester', etc.)
* @return string SQL Query to discover elements for the search
*/
public static function getSQL($search, $filter, $limit)
{
if (!$search) {
return null;
}
// Get language
$language = ModuleManagementModel::getLanguage();
if (!$language) {
ModuleManagementModel::setLanguage($_SESSION['_language']);
$language = ModuleManagementModel::getLanguage();
}
// Prepare variables
$needle = DBManager::get()->quote("%{$search}%");
$language = DBManager::get()->quote($language);
// Prepare status (according to user role)
$status_cond = '1';
if (!self::extendedDisplay()) {
$status_cond = "`m`.`stat` = " . DBManager::get()->quote('genehmigt');
}
$query = "SELECT SQL_CALC_FOUND_ROWS `m`.`modul_id`, `m`.`code`,
IFNULL(`i18n`.`value`, `md`.`bezeichnung`) AS `bezeichnung`,
`m`.`stat`, `m`.`kp`,
`sd0`.`name` AS `sem_start`, `sd1`.`name` AS `sem_end`,
`sd0`.`semester_token` AS `token_start`,
`sd1`.`semester_token` AS `token_end`,
COUNT(`mt`.`modulteil_id`) AS `parts`
FROM `mvv_modul` AS `m`
-- Module descriptor
JOIN `mvv_modul_deskriptor` AS `md` USING (`modul_id`)
LEFT JOIN `i18n`
ON `md`.`deskriptor_id` = `i18n`.`object_id`
AND `i18n`.`table` = 'mvv_modul_deskriptor'
AND `i18n`.`field` = `bezeichnung`
AND `i18n`.`lang` = {$language}
-- Get semester durations
LEFT JOIN `semester_data` AS `sd0`
ON (`m`.`start` = `sd0`.`semester_id`)
LEFT JOIN `semester_data` AS `sd1`
ON (`m`.`end` = `sd1`.`semester_id`)
-- Get module parts (for counting)
LEFT JOIN `mvv_modulteil` AS `mt` USING (`modul_id`)
WHERE {$status_cond}
AND (`sd0`.`semester_id` IS NULL OR `sd0`.`beginn` <= UNIX_TIMESTAMP())
AND (`sd1`.`semester_id` IS NULL OR `sd1`.`ende` >= UNIX_TIMESTAMP())
AND (
`m`.`code` LIKE {$needle}
OR IFNULL(`i18n`.`value`, `md`.`bezeichnung`) LIKE {$needle}
)
GROUP BY `m`.`modul_id`
ORDER BY `m`.`code`, IFNULL(`i18n`.`value`, `md`.`bezeichnung`)
LIMIT " . $limit;
return $query;
}
/**
* Returns an array of information for the found element. Following informations (key: description) are necessary
*
* - name: The name of the object
* - url: The url to send the user to when he clicks the link
*
* Additional informations are:
*
* - additional: Subtitle for the hit
* - expand: Url if the user further expands the search
* - img: Avatar for the
*
* @param array $module_data
* @param string $search
* @return array
*/
public static function filter($module_data, $search)
{
extract($module_data);
// Get icon according to permissions
$icon_role = Icon::ROLE_CLICKABLE;
if (self::extendedDisplay()) {
if ($module_data['stat'] === 'genehmigt') {
$icon_role = Icon::ROLE_STATUS_GREEN;
} elseif ($module_data['stat'] === 'planung') {
$icon_role = Icon::ROLE_STATUS_YELLOW;
} elseif ($module_data['stat'] === 'ausgelaufen') {
$icon_role = Icon::ROLE_STATUS_RED;
}
}
// Get semester durations
if (!$sem_start && $sem_end) {
$duration = sprintf(_('bis %s'), $sem_token ?: $sem_end);
} else {
$duration = [
$token_start ?: $sem_start ?: _('unbegrenzt'),
$token_end ?: $sem_end ?: _('unbegrenzt'),
];
$duration = implode(' - ', array_unique($duration));
}
// Construct additional information
$additional = (float) $kp . ' ' . _('CP');
if ($parts > 1) {
$additional .= " ({$parts} " . _('Modulteile') . ")";
}
return [
'name' => self::mark($code . ' ' . $bezeichnung, $search),
// TODO: The following will unfortunately NOT open the details
'url' => URLHelper::getURL(
"dispatch.php/search/module/index/{$modul_id}",
['sterm' => $code],
true
),
'img' => Icon::create('learnmodule', $icon_role)->asImagePath(),
'date' => $duration,
'expand' => self::getSearchURL($search),
'additional' => $additional,
];
}
/**
* Returns the url to the global modules search populated with the current
* search term.
*
* @param string $searchterm what to search for?
* @return string URL to the full search, containing the searchterm and the category
*/
public static function getSearchURL($searchterm)
{
return URLHelper::getURL('dispatch.php/search/globalsearch', [
'q' => $searchterm,
'category' => self::class
]);
}
// TODO: This probably needs some roles or something else
private static function extendedDisplay()
{
return $GLOBALS['perm']->have_perm('root');
}
}
|
