public Group EditGroup(int groupId, string name)
{
if (string.IsNullOrEmpty(name))
{
throw new ChalkableException("Invalid name param. Name parameter is empty");
}
var group = GroupStorage.GetById(groupId);
EnsureInGroupModifyPermission(group);
group.Name = name;
GroupStorage.Update(group);
return(group);
}
public void UnassignStudentsFromGroup(int groupId, IList <int> studentIds)
{
DemandStudentIdsParam(studentIds);
EnsureInGroupModifyPermission(GroupStorage.GetById(groupId));
StudentGroupStorage.Delete(BuildStudentGroups(groupId, studentIds));
}
public void DeleteGroup(int groupId)
{
EnsureInGroupModifyPermission(GroupStorage.GetById(groupId));
GroupStorage.Delete(groupId);
}