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MDL-32662 Added unassign_grouping method

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This commit is contained in:
Juan Leyva 2012-04-30 16:56:22 +02:00
parent 20053b8c3d
commit fb3f5d3173
1 changed files with 70 additions and 0 deletions
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70
group/externallib.php
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@ -996,6 +996,76 @@ class core_group_external extends external_api {
return null;
}
/**
* Returns description of method parameters
* @return external_function_parameters
*/
public static function unassign_grouping_parameters() {
return new external_function_parameters(
array(
'unassignments'=> new external_multiple_structure(
new external_single_structure(
array(
'groupingid' => new external_value(PARAM_INT, 'grouping record id'),
'groupid' => new external_value(PARAM_INT, 'group record id'),
)
)
)
)
);
}
/**
* Unassign a group from a grouping
* @param array $unassignments of arrays with keys groupid, groupingid
* @return void
*/
public static function unassign_grouping($unassignments) {
global $CFG, $DB;
require_once("$CFG->dirroot/group/lib.php");
$params = self::validate_parameters(self::unassign_grouping_parameters(), array('unassignments'=>$unassignments));
$transaction = $DB->start_delegated_transaction();
foreach ($params['unassignments'] as $unassignment) {
// Validate params.
$groupingid = $unassignment['groupingid'];
$groupid = $unassignment['groupid'];
$grouping = groups_get_grouping($groupingid, 'id, courseid', MUST_EXIST);
$group = groups_get_group($groupid, 'id, courseid', MUST_EXIST);
if (!$DB->record_exists('groupings_groups', array('groupingid'=>$groupingid, 'groupid'=>$groupid))) {
// Continue silently if the group is not assigned to the grouping.
continue;
}
// now security checks
$context = context_course::instance($grouping->courseid);
try {
self::validate_context($context);
} catch (Exception $e) {
$exceptionparam = new stdClass();
$exceptionparam->message = $e->getMessage();
$exceptionparam->courseid = $group->courseid;
throw new moodle_exception('errorcoursecontextnotvalid' , 'webservice', '', $exceptionparam);
}
require_capability('moodle/course:managegroups', $context);
groups_unassign_grouping($groupingid, $groupid);
}
$transaction->allow_commit();
}
/**
* Returns description of method result value
* @return null
*/
public static function unassign_grouping_returns() {
return null;
}
}
/**