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<?php
use Courseware\StructuralElement;
use Courseware\Block;
use Courseware\Container;
use Courseware\Unit;
/**
* Global search module for files
*
* @author Ron Lucke <lucke@elan-ev.de>
* @category Stud.IP
* @since 5.2
*/
class GlobalSearchCourseware extends GlobalSearchModule implements GlobalSearchFulltext
{
/**
* Returns the displayname for this module
*
* @return string
*/
public static function getName()
{
return _('Courseware');
}
/**
* Returns the filters that are displayed in the sidebar of the global search.
*
* @return array Filters for this class.
*/
public static function getFilters()
{
return [];
}
public static function getSQL($search, $filter, $limit)
{
if (!$search) {
return null;
}
$payload_search = str_replace('"', '', json_encode($search));
$query = DBManager::get()->quote("%{$search}%");
$payload_query = DBManager::get()->quote("%{$payload_search}%");
if (!empty($filter['rangeId'])) {
$range_id = $filter['rangeId'];
$sql = "(SELECT `cw_structural_elements` . `id` AS id, CONCAT('', 'cw_structural_elements') AS type
FROM `cw_structural_elements`
WHERE (`title` LIKE {$query} OR `payload` LIKE {$payload_query})
AND `range_id` = '{$range_id}'
ORDER BY `cw_structural_elements`.`mkdate` DESC)
UNION (
SELECT se . `id` AS id, CONCAT('', 'cw_containers') AS type
FROM `cw_containers` c
JOIN cw_structural_elements se
ON se . `id` = c . `structural_element_id`
WHERE c. `payload` LIKE {$payload_query}
AND `container_type` != 'list'
AND se . `range_id` = '{$range_id}'
ORDER BY c . `mkdate` DESC)
UNION (
SELECT se . `id` AS id, CONCAT('', 'cw_blocks') AS type
FROM `cw_blocks` b
JOIN cw_containers c
ON c.id = b.container_id
JOIN cw_structural_elements se
ON se . `id` = c . `structural_element_id`
WHERE b.payload LIKE {$payload_query}
AND se . `range_id` = '{$range_id}'
ORDER BY b . `mkdate` DESC
) LIMIT {$limit}";
} else {
$user_id = DBManager::get()->quote($GLOBALS['user']->id);
$mycourses = "SELECT `Seminar_id`
FROM `seminar_user`
WHERE `user_id` = {$user_id}";
if (Config::get()->DEPUTIES_ENABLE) {
$mycourses .= "
UNION
SELECT `range_id` AS Seminar_id
FROM `deputies`
WHERE `user_id` = {$user_id}";
}
$sql = "(SELECT `cw_structural_elements` . `id` AS id, CONCAT('', 'cw_structural_elements') AS type
FROM `cw_structural_elements`
WHERE (`title` LIKE {$query} OR `payload` LIKE {$payload_query})
AND (`range_id` IN ({$mycourses}) OR `range_id` = {$user_id})
ORDER BY `cw_structural_elements`.`mkdate` DESC)
UNION (
SELECT se . `id` AS id, CONCAT('', 'cw_containers') AS type
FROM `cw_containers` c
JOIN cw_structural_elements se
ON se . `id` = c . `structural_element_id`
WHERE c. `payload` LIKE {$payload_query}
AND `container_type` != 'list'
AND (se . `range_id` IN ({$mycourses}) OR se .`range_id` = {$user_id})
ORDER BY c . `mkdate` DESC)
UNION (
SELECT se . `id` AS id, CONCAT('', 'cw_blocks') AS type
FROM `cw_blocks` b
JOIN cw_containers c
ON c.id = b.container_id
JOIN cw_structural_elements se
ON se . `id` = c . `structural_element_id`
WHERE b.payload LIKE {$payload_query}
AND (se . `range_id` IN ({$mycourses}) OR se .`range_id` = {$user_id})
ORDER BY b . `mkdate` DESC
) LIMIT {$limit}";
}
return $sql;
}
public static function filter($data, $search)
{
$structural_element = StructuralElement::find($data['id']);
$unit = $structural_element->findUnit();
if ($unit && $structural_element->canRead($GLOBALS['user'])) {
$description = '';
if ($data['type'] === 'cw_structural_elements') {
$description = self::mark($structural_element->payload['description'], $search, true);
}
if ($data['type'] === 'cw_containers') {
$description = _('Suchbegriff wurde in einem Abschnitt gefunden');
}
if ($data['type'] === 'cw_blocks') {
$description = _('Suchbegriff wurde in einem Block gefunden');
}
$pageData = self::getPageData($structural_element, $unit);
$date = new DateTime();
$date->setTimestamp($structural_element->chdate);
$name = $unit->structural_element->id === $structural_element->id
? $structural_element->title
: $unit->structural_element->title . ': ' . $structural_element->title;
return [
'name' => self::mark($name, $search, true),
'description' => $description,
'url' => $pageData['url'],
'img' => $structural_element->image ? $structural_element->getImageUrl() : Icon::create('courseware')->asImagePath(),
'additional' => '<a href="' . $pageData['originUrl'] . '" title="' . $pageData['originName'] . '">' . $pageData['originName'] . '</a>',
'date' => $date->format('d.m.Y H:i'),
'structural-element-id' => $structural_element->id,
'expand' => null
];
}
return [];
}
private static function getPageData(StructuralElement $structural_element, Unit $unit): Array
{
$url = '';
$originUrl = '';
$originName = '';
if ($structural_element->range_type === 'course') {
$url = URLHelper::getURL(
"dispatch.php/course/courseware/courseware/{$unit->id}?cid={$structural_element->range_id}#/structural_element/{$structural_element->id}",
[],
true);
$originUrl = URLHelper::getURL(
"dispatch.php/course/overview?cid={$structural_element->range_id}",
[],
true);
$originName = Course::find($structural_element->range_id)->name;
}
if ($structural_element->range_type === 'user') {
$url = URLHelper::getURL(
"dispatch.php/contents/courseware/courseware/{$unit->id}#/structural_element/{$structural_element->id}",
[],
true);
$originUrl = URLHelper::getURL(
"dispatch.php/contents/courseware/index",
[],
true);
$originName = _('Persönliche Lernmaterialien');
}
return array(
'url' => $url,
'originUrl' => $originUrl,
'originName' => $originName
);
}
public static function enable()
{
}
public static function disable()
{
}
public static function getSearchURL($searchterm)
{
return URLHelper::getURL('dispatch.php/search/globalsearch', [
'q' => $searchterm,
'category' => self::class
]);
}
}
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