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<?php
class GlobalSearchBlubber extends GlobalSearchModule implements GlobalSearchFulltext
{
/**
* Returns the displayname for this module
*
* @return string
*/
public static function getName()
{
return _('Blubber');
}
/**
* Returns the filters that are displayed in the sidebar of the global search.
*
* @return array Filters for this class.
*/
public static function getFilters()
{
return [];
}
/**
* 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.
*
* This function is required to make use of the mysql union parallelism
*
* @param string $search the input query string
* @param arraay $filter an array with search limiting filter information (e.g. 'category', 'semester', etc.)
* @return string SQL Query to discover elements for the search
*/
public static function getSQL($search, $filter, $limit)
{
$user_id = DBManager::get()->quote($GLOBALS['user']->id);
$search = DBManager::get()->quote("%".$search."%");
if (!$GLOBALS['perm']->have_perm("admin")) {
return "SELECT SQL_CALC_FOUND_ROWS `blubber_threads`.`thread_id`, `blubber_comments`.`comment_id`
FROM `blubber_threads`
LEFT JOIN `seminar_user` ON (`blubber_threads`.`context_id` = `seminar_id` AND `blubber_threads`.context_type = 'course')
LEFT JOIN `user_inst` ON (`blubber_threads`.`context_id` = `Institut_id` AND `blubber_threads`.context_type = 'institute')
LEFT JOIN `blubber_mentions` ON (`blubber_mentions`.`thread_id` = `blubber_threads`.`thread_id`)
LEFT JOIN `blubber_comments` ON (`blubber_comments`.`thread_id` = `blubber_threads`.`thread_id`)
WHERE (
(`blubber_threads`.context_type = 'course' AND `seminar_user`.`user_id` = {$user_id})
OR (`blubber_threads`.context_type = 'institute' AND `user_inst`.`user_id` = {$user_id})
OR `blubber_threads`.context_type = 'public'
OR (`blubber_threads`.context_type = 'private' AND `blubber_mentions`.user_id = {$user_id})
)
AND (`blubber_threads`.content LIKE {$search} OR `blubber_comments`.content LIKE {$search})
GROUP BY `blubber_threads`.`thread_id`
ORDER BY `blubber_threads`.`mkdate` DESC
LIMIT " . $limit;
} elseif (!$GLOBALS['perm']->have_perm("root")) {
return "SELECT SQL_CALC_FOUND_ROWS DISTINCT `blubber_threads`.`thread_id`, `blubber_comments`.`comment_id`
FROM `blubber_threads`
LEFT JOIN `user_inst` ON (`blubber_threads`.`context_id` = `Institut_id` AND `blubber_threads`.context_type = 'institute')
LEFT JOIN `seminar_inst` ON (`seminar_inst`.institut_id = `user_inst`.Institut_id)
LEFT JOIN `blubber_mentions` ON (`blubber_mentions`.`thread_id` = `blubber_threads`.`thread_id`)
LEFT JOIN `blubber_comments` ON (`blubber_comments`.`thread_id` = `blubber_threads`.`thread_id`)
WHERE (
(`blubber_threads`.context_type = 'institute' AND `user_inst`.`user_id` = {$user_id})
OR (`blubber_threads`.context_type = 'course' AND `user_inst`.`user_id` = {$user_id})
OR context_type = 'public'
OR (`blubber_threads`.context_type = 'private' AND `blubber_mentions`.user_id = {$user_id})
)
AND (`blubber_threads`.content LIKE {$search} OR `blubber_comments`.content LIKE {$search})
GROUP BY `blubber_threads`.`thread_id`
ORDER BY `blubber_threads`.`mkdate` DESC
LIMIT " . $limit;
} else { //I Am Root!
return "SELECT SQL_CALC_FOUND_ROWS DISTINCT `blubber_threads`.`thread_id`, `blubber_comments`.`comment_id`
FROM `blubber_threads`
LEFT JOIN `blubber_mentions` ON (`blubber_mentions`.`thread_id` = `blubber_threads`.`thread_id`)
LEFT JOIN `blubber_comments` ON (`blubber_comments`.`thread_id` = `blubber_threads`.`thread_id`)
WHERE (
`blubber_threads`.context_type != 'private'
OR `blubber_mentions`.user_id = {$user_id}
)
AND (`blubber_threads`.content LIKE {$search} OR `blubber_comments`.content LIKE {$search})
GROUP BY `blubber_threads`.`thread_id`
ORDER BY `blubber_threads`.`mkdate` DESC
LIMIT " . $limit;
}
}
/**
* 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 $data
* @param string $search
* @return array
*/
public static function filter($data, $search)
{
$thread = BlubberThread::find($data['thread_id']);
if (!$thread->isReadable()) {
return null;
}
$description = null;
if ($data['comment_id']) {
$comment = BlubberComment::find($data['comment_id']);
if ($comment && mb_stripos($comment['content'], $search) !== false) {
$description = self::mark($comment['content'], $search, true);
$name = sprintf(
$thread['content'] ? _("Kommentar von %s") : _("Nachricht von %s"),
$comment->user ? $comment->user->getFullName() : _("unbekannt")
);
}
}
if (!$description) {
$description = self::mark($thread['content'], $search, true);
$name = $thread->getName();
}
return [
'id' => $thread->getId(),
'name' => htmlReady($name),
'url' => $thread->getURL(),
'img' => $thread->getAvatar(),
'date' => strftime('%x', $thread['mkdate']),
'description' => htmlReady($description),
'additional' => htmlReady($thread->getName()),
'expand' => $thread->getURL()
];
}
/**
* Returns the URL that can be called for a full search.
*
* @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
]);
}
/**
* Enables fulltext (MATCH AGAINST) search by creating the corresponding indices.
*/
public static function enable()
{
DBManager::get()->exec("ALTER TABLE blubber_threads ADD FULLTEXT INDEX globalsearch (content)");
DBManager::get()->exec("ALTER TABLE blubber_comments ADD FULLTEXT INDEX globalsearch (content)");
}
/**
* Disables fulltext (MATCH AGAINST) search by removing the corresponding indices.
*/
public static function disable()
{
DBManager::get()->exec("DROP INDEX globalsearch ON blubber_threads");
DBManager::get()->exec("DROP INDEX globalsearch ON blubber_comments");
}
}
|
