public void changesupplier(int itemcode,int purchaseid,string comname,string userid )
{
var n = from a in ctx.purchase_item
from b in ctx.purchases
where (a.itemId == itemcode) && (b.purchaserId == purchaseid)
&&(a.purchaseId==b.purchaserId)
select a;
purchase_item pt=n.SingleOrDefault();
int x = pt.itemId;
ctx.purchase_item.Remove(pt);
var l = from a in ctx.suppliers
where a.compName == comname
select a.supplierId;
int ls = l.FirstOrDefault();
purchase po = new purchase();
po.supplierId = ls;
po.purchaseDate = DateTime.Today.Date;
po.expectedDeliveryDate = DateTime.Today.Date.AddDays(14);
po.status = "waiting";
po.userId = userid;
ctx.purchases.Add(po);
var xo = from a in ctx.items
where a.itemId == x
select a;
item xx = xo.SingleOrDefault();
purchase_item npt = new purchase_item();
npt.purchaseId = po.purchaserId;
npt.itemId = xx.itemId;
npt.requestQty = xx.reorderQty;
npt.supplierid = ls;
ctx.purchase_item.Add(npt);
ctx.SaveChanges();
}
public void additems(int itemcode, int supplierid,int purchaseid,int qt)
{
purchase_item pitem = new purchase_item();
pitem.purchaseId = purchaseid;
pitem.itemId = itemcode;
pitem.requestQty = qt;
pitem.supplierid = supplierid;
ctx.purchase_item.Add(pitem);
ctx.SaveChanges();
}
//
public void formorder(User u)
{
var n = from a in ctx.items
where (a.balance < a.reorderlevel) && (a.status == "stockout")
from c in ctx.item_supplier
where a.itemId == c.itemId
from b in ctx.suppliers
where b.supplierId == c.supplierId && (c.priority == 1)
select b;
var d = from a in ctx.items
where (a.balance < a.reorderlevel) && (a.status == "stockout")
from c in ctx.item_supplier
where a.itemId == c.itemId
from b in ctx.suppliers
where b.supplierId == c.supplierId && (c.priority == 1)
select c;
List<supplier> s = n.ToList();
List<item_supplier> ls = d.ToList();
foreach (supplier x in s)
{
purchase po = new purchase();
po.supplierId = x.supplierId;
po.purchaseDate = DateTime.Today.Date;
po.userId = u.UserId;
po.expectedDeliveryDate = DateTime.Today.Date.AddDays(14);
po.status = "waiting";
ctx.purchases.Add(po);
ctx.SaveChanges();
foreach (item_supplier i in ls)
{
if (i.supplierId == x.supplierId)
{
var y = from a in ctx.items
where a.itemId == i.itemId
select a;
item item = y.SingleOrDefault();
item.status = "ordering";
purchase_item pitem = new purchase_item();
pitem.purchaseId = po.purchaserId;
pitem.itemId = i.itemId.Value;
pitem.requestQty = item.reorderlevel;
pitem.supplierid = po.supplierId;
ctx.purchase_item.Add(pitem);
ctx.SaveChanges();
}
}
}
}
