public async Task <IHttpActionResult> Get()
      {
          try
          {
              var model = await _banking.GellAllAccounts();

              if (model != null)
              {
                  return(Ok(model));
              }
          }
          catch (Exception e)
          {
              return(InternalServerError(e));
          }

          return(NotFound());
      }
        public async Task <IHttpActionResult> Get(int mockId)
        {
            try
            {
                var model = await _banking.Get(mockId, true);

                if (model != null)
                {
                    var getallmodel = await _banking.GellAllAccounts(model.Id);

                    if (getallmodel != null)
                    {
                        return(Ok(getallmodel));
                    }
                }
            }
            catch (Exception e)
            {
                InternalServerError(e);
            }

            return(NotFound());
        }