/**
* Removes a group admin from a contest
*
* @param Request $r
* @return array
* @throws InvalidDatabaseOperationException
* @throws ForbiddenAccessException
*/
public static function apiRemoveGroupAdmin(Request $r)
{
// Authenticate logged user
self::authenticateRequest($r);
// Check contest_alias
Validators::isStringNonEmpty($r['contest_alias'], 'contest_alias');
$group = GroupsDAO::FindByAlias($r['group']);
if ($group == null) {
throw new InvalidParameterException('invalidParameters');
}
try {
$r['contest'] = ContestsDAO::getByAlias($r['contest_alias']);
} catch (Exception $e) {
// Operation failed in the data layer
throw new InvalidDatabaseOperationException($e);
}
// Only admin is alowed to make modifications
if (!Authorization::IsContestAdmin($r['current_user_id'], $r['contest'])) {
throw new ForbiddenAccessException();
}
$group_role = new GroupRoles();
$group_role->setContestId($r['contest']->getContestId());
$group_role->setGroupId($group->group_id);
$group_role->setRoleId(CONTEST_ADMIN_ROLE);
// Delete the role
try {
GroupRolesDAO::delete($group_role);
} catch (Exception $e) {
// Operation failed in the data layer
throw new InvalidDatabaseOperationException($e);
}
return array('status' => 'ok');
}
/**
* Removes a group admin from a problem
*
* @param Request $r
* @return array
* @throws InvalidDatabaseOperationException
* @throws ForbiddenAccessException
*/
public static function apiRemoveGroupAdmin(Request $r)
{
// Authenticate logged user
self::authenticateRequest($r);
// Check whether problem exists
Validators::isStringNonEmpty($r['problem_alias'], 'problem_alias');
$group = GroupsDAO::FindByAlias($r['group']);
if ($group == null) {
throw new InvalidParameterException('invalidParameters');
}
try {
$r['problem'] = ProblemsDAO::getByAlias($r['problem_alias']);
} catch (Exception $e) {
// Operation failed in the data layer
throw new InvalidDatabaseOperationException($e);
}
if (!Authorization::IsProblemAdmin($r['current_user_id'], $r['problem'])) {
throw new ForbiddenAccessException();
}
$group_role = new GroupRoles();
$group_role->setContestId($r['problem']->problem_id);
$group_role->setGroupId($group->group_id);
$group_role->setRoleId(PROBLEM_ADMIN_ROLE);
// Delete the role
try {
GroupRolesDAO::delete($group_role);
} catch (Exception $e) {
// Operation failed in the data layer
throw new InvalidDatabaseOperationException($e);
}
return array('status' => 'ok');
}