public async Task <ActionResult> PostAsync(TransactionPosting model)
        {
            if (!this.ModelState.IsValid)
            {
                return(this.InvalidModelState(this.ModelState));
            }

            try
            {
                var meta = await AppUsers.GetCurrentAsync().ConfigureAwait(true);

                long tranId = await JournalEntries.PostAsync(this.Tenant, model, meta).ConfigureAwait(true);

                return(this.Ok(tranId));
            }
            catch (Exception ex)
            {
                return(this.Failed(ex.Message, HttpStatusCode.InternalServerError));
            }
        }