public Task <FilterResultModel <RemainingCustomerPaymentsModel> > Handle(GetRemainingCustomerPaymentsQuery request, CancellationToken cancellationToken) { var sortBy = request.SortBy.Trim() != "" ? request.SortBy : "CustomerName"; var sortDirection = (request.SortDirection.ToUpper() == "DESCENDING") ? true : false; FilterResultModel <RemainingCustomerPaymentsModel> result = new FilterResultModel <RemainingCustomerPaymentsModel> (); var remaining = _database.Rent .Select(RemainingCustomerPaymentsModel.Projection) .Select(DynamicQueryHelper.GenerateSelectedColumns <RemainingCustomerPaymentsModel> (request.SelectedColumns)) .GroupBy(e => new { e.CustomerId, e.CustomerName }) .Select(t => new RemainingCustomerPaymentsModel() { CustomerName = t.Key.CustomerName, CustomerId = t.Key.CustomerId, Amount = t.Sum(o => o.Amount), PaidAmount = t.Sum(o => o.PaidAmount) }) .Where(r => r.RemainingPayment > 0) .AsQueryable(); if (request.Filter.Count() > 0) { remaining = remaining .Where(DynamicQueryHelper .BuildWhere <RemainingCustomerPaymentsModel> (request.Filter)); } result.Count = remaining.Count(); var PageSize = (request.PageSize == 0) ? result.Count : request.PageSize; var PageNumber = (request.PageSize == 0) ? 1 : request.PageNumber; result.Items = remaining.OrderBy(sortBy, sortDirection) .Skip(PageNumber - 1) .Take(PageSize) .ToList(); return(Task.FromResult <FilterResultModel <RemainingCustomerPaymentsModel> > (result)); }
public async Task <ActionResult <FilterResultModel <RemainingCustomerPaymentsModel> > > GetRemainingCustomerPayments([FromBody] GetRemainingCustomerPaymentsQuery query) { var remainingCustomerPayments = await _Mediator.Send(query); return(Ok(remainingCustomerPayments)); }