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MDL-61028 core_search: Allow filtering search by user (front-end)

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Creates a new 'Users' field in the search filters form. This field
requires new JavaScript and, to implement this, a new AJAX-callable
web service to search for users by name, with detailed restrictions
based on the current user's access to view profiles.
This commit is contained in:
sam marshall 2018-04-20 16:44:32 +01:00
parent 71d985ab7d
commit a6cacdd266
9 changed files with 417 additions and 1 deletions
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28
search/classes/output/form/search.php
View file

@ -27,6 +27,7 @@ namespace core_search\output\form;
defined('MOODLE_INTERNAL') || die;
require_once($CFG->libdir . '/formslib.php');
require_once($CFG->libdir . '/externallib.php');
class search extends \moodleform {
@ -36,7 +37,7 @@ class search extends \moodleform {
* @return void
*/
function definition() {
global $USER;
global $USER, $DB, $OUTPUT;
$mform =& $this->_form;
$mform->disable_form_change_checker();
@ -95,6 +96,31 @@ class search extends \moodleform {
$mform->addElement('course', 'courseids', get_string('courses', 'core'), $options);
$mform->setType('courseids', PARAM_INT);
// If the search engine can search by user, and the user is logged in (so we have
// permission to call the user-listing web service) then show the user selector.
if ($search->get_engine()->supports_users() && isloggedin()) {
$options = [
'ajax' => 'core_search/form-search-user-selector',
'multiple' => true,
'noselectionstring' => get_string('allusers', 'search'),
'valuehtmlcallback' => function($value) {
global $DB, $OUTPUT;
$user = $DB->get_record('user', ['id' => (int)$value], '*', IGNORE_MISSING);
if (!$user || !user_can_view_profile($user)) {
return false;
}
$details = user_get_user_details($user);
return $OUTPUT->render_from_template(
'core_search/form-user-selector-suggestion', $details);
}
];
if (!empty($this->_customdata['withincourseid'])) {
$options['withincourseid'] = $this->_customdata['withincourseid'];
}
$mform->addElement('autocomplete', 'userids', get_string('users'), [], $options);
}
if (!empty($this->_customdata['searchwithin'])) {
// Course options should be hidden if we choose to search within a specific location.
$mform->hideIf('courseids', 'searchwithin', 'ne', '');