private List <SalesDailyReportDto> GetSalesDailyReport(SalesDailyReportFilterDto filter)
        {
            // Set NoTracking for ChangeTracker
            _context.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;

            // Join invoice, and sales tables
            var invoiceGroups = _context.Invoice
                                .Where(i => i.CommitDate >= filter.StartDateTime)
                                .Where(i => i.CommitDate < filter.EndDateTime)
                                // LINQ to SQL Leaky abstractions pitfull
                                //.Where(i => filter.BranchId.HasValue ? (i.Daily == filter.BranchId.Value) : true)
                                .Where(i => filter.BranchId.HasValue ? (i.Branch == filter.BranchId.GetValueOrDefault()) : true)
                                .Select(i => new { i.InvoiceNumber, i.Total, i.CommitDate, i.Branch })
                                .Join(
                _context.Branch
                .Where(b => b.Fax.ToLower() != "hidden4mreport")
                //.Where(b => b.Activated == true)
                .Select(b => new { b.Id }),
                i => i.Branch,
                b => b.Id,
                (i, b) => new { i.InvoiceNumber, i.Total, i.CommitDate }
                )
                                .Join(
                _context.Sales
                .Select(s => new { s.InvoiceNumber, s.Code, s.Quantity, s.CommitPrice, s.SupplierPrice }),
                i => i.InvoiceNumber,
                s => s.InvoiceNumber,
                (i, s) => new { i.InvoiceNumber, i.Total, i.CommitDate, s.Code, s.Quantity, s.CommitPrice, s.SupplierPrice }
                )
                                .GroupBy(i => i.CommitDate.Date);

            // Apply sales Daily report logic
            var resultList = new List <SalesDailyReportDto>();

            foreach (var group in invoiceGroups)
            {
                resultList.Add(new SalesDailyReportDto()
                {
                    StartDate    = group.Key,
                    EndDate      = group.Key.AddDays(1),
                    TotalWithGST = Math.Round((decimal)group
                                              .Select(i => new { i.InvoiceNumber, i.Total })
                                              .Distinct()
                                              .Sum(i => i.Total), 2),
                    ProfitWithGST = Math.Round(group
                                               .Sum(i => (decimal)((i.CommitPrice - i.SupplierPrice) * (decimal)i.Quantity * 1.15m))
                                               , 2),
                    InvoiceQuantity = group
                                      .Select(i => new { i.InvoiceNumber, i.Total })
                                      .Distinct()
                                      .Count()
                });
            }

            return(resultList);
        }
        public IActionResult GetSalesDailyReportLastMonth([FromQuery] int?branchId)
        {
            // Set the filter to "LastMonth"
            var filter = new SalesDailyReportFilterDto();

            filter.SetLastMonth();
            filter.BranchId = branchId;

            // Return to response
            var listToReturn = GetSalesDailyReport(filter);

            return(Ok(listToReturn));
        }
        public IActionResult GetSalesDailyReportDateRange([FromQuery] DateTime startDateTime,
                                                          [FromQuery] DateTime endDateTime, [FromQuery] int?branchId)
        {
            // Validate user inpute
            if (startDateTime == null || endDateTime == null)
            {
                return(BadRequest());
            }

            // Set the filter to "DateRange"
            var filter = new SalesDailyReportFilterDto
            {
                StartDateTime = startDateTime,
                EndDateTime   = endDateTime,
                BranchId      = branchId
            };

            // Return to response
            var listToReturn = GetSalesDailyReport(filter);

            return(Ok(listToReturn));
        }