// POST: api/Groups
public async Task <string> Post(GroupDto entity)
{
if (!ModelState.IsValid)
{
throw new HttpResponseException(HttpStatusCode.BadRequest);
}
var groupId = await GroupGenericFacade.CreateAsync(entity);
if (groupId.Equals(0))
{
throw new HttpResponseException(HttpStatusCode.BadRequest);
}
return($"Created Group with id: {groupId}");
}
