public List <PurchaseOrderQuantity> startRequisitionAnalysis(ItemCategory cat, Departments dept)
        {
            var past4Month = DateTime.Now.AddMonths(-4).Month;
            var Year       = DateTime.Now.Year;
            var po         = from req in dbcontext.requisitions
                             join req_d in dbcontext.requisitionDetails on req.Id equals req_d.RequisitionId
                             group req_d by new { req_d.Inventory.ItemCategory.name, req.Department.DeptName, req.DateSubmitted.Month, req.DateSubmitted.Year } into h
            where (h.Key.Month >= past4Month && h.Key.Year == Year && h.Key.DeptName == dept.DeptName && h.Key.name == cat.name)
            orderby(h.Key.Month)
            select new
            {
                Month = h.Key.Month,
                Qty   = h.Sum(x => x.RequestedQty)
            };
            List <PurchaseOrderQuantity> reQ = new List <PurchaseOrderQuantity>();

            foreach (var c in po)
            {
                PurchaseOrderQuantity p = new PurchaseOrderQuantity();
                p.Month    = c.Month;
                p.quantity = c.Qty;
                reQ.Add(p);
            }
            return(reQ);
        }
示例#2
0
        public List <PurchaseOrderQuantity> startPurchaseOrderAnalysis(ItemCategory cat)
        {
            var past4Month = DateTime.Now.AddMonths(-4).Month;
            var Year       = DateTime.Now.Year;
            var po         = from p in dbcontext.purchaseOrders
                             join pod in dbcontext.purchaseOrderDetails on p.Id equals pod.PurchaseOrderId
                             group pod by new { pod.Inventory.ItemCategory.name, p.date.Month, p.date.Year } into h
            where (h.Key.Month >= past4Month && h.Key.Year == Year && h.Key.name == cat.name)
            orderby(h.Key.Month)
            select new
            {
                Month = h.Key.Month,
                Qty   = h.Sum(x => x.quantity)
            };
            List <PurchaseOrderQuantity> poQ = new List <PurchaseOrderQuantity>();

            foreach (var c in po)
            {
                PurchaseOrderQuantity p = new PurchaseOrderQuantity();
                p.Month    = c.Month;
                p.quantity = c.Qty;
                poQ.Add(p);
            }
            return(poQ);
        }