public JsonResult OnGetItemStateChange()
{
var rawQS = Uri.UnescapeDataString(Request.QueryString.ToString());
var idx = rawQS.IndexOf('{');
if (idx == -1)
{
return(new JsonResult("ERROR~:No Parameters"));
}
var jsonQS = rawQS.Substring(idx);
InvItemState invIS = JsonConvert.DeserializeObject <InvItemState>(jsonQS);
if (invIS != null)
{
InventoryItem invItem = (invIS.state == NEEDED_STATE) ?
_context.InventoryItem.Include(i => i.Item).FirstOrDefault(m => m.ItemId == invIS.invItemId) :
_context.InventoryItem.FirstOrDefault(m => m.ItemId == invIS.invItemId);
if (invItem != null)
{
if (invIS.pid > 0)
{
invItem.PersonId = invIS.pid;
}
invItem.State = invIS.state;
_context.Attach(invItem).State = EntityState.Modified;
}
try
{
_context.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
return(new JsonResult("ERROR~:Update DB Failed")); // TBD
}
if ((invItem.State == NEEDED_STATE) && (invItem?.Item != null))
{
// Notify Item is needed
var Item = _context.Item.FirstOrDefault(m => m.Id == invIS.invItemId); // TBD optimize with a single
if (Item != null)
{
Task.Run(() => NotifyNeedAsync(_hostEnv, _configuration, _userManager, "CStat:Stock> Needed : " + Item.Name, false)); // no cleaning even async while user is active
}
}
CurState cs = new CurState
{
invItemState = GetInvItemState(invItem),
allState = GetAllState()
};
return(new JsonResult(JsonConvert.SerializeObject(cs)));
}
return(new JsonResult("ERROR~:Incorrect Parameters"));
}
public InvItemState GetInvItemState(InventoryItem invItem)
{
InvItemState invIS = new InvItemState();
// Get item DisplayName
invIS.pid = -1;
invIS.displayName = "Need?";
invIS.state = (int)InventoryItem.States.InStock;
invIS.btnClass = "InStockBtn";
if (invItem.PersonId.HasValue)
{
invIS.pid = invItem.PersonId.Value;
invIS.displayName = GetDisplayNameByPid(invIS.pid);
}
if (invItem.State.HasValue)
{
invIS.state = invItem.State.Value;
switch (invIS.state)
{
case (int)InventoryItem.States.InStock:
case (int)InventoryItem.States.InInv:
invIS.btnClass = "InStockBtn";
invIS.displayName = "Need?";
break;
case (int)InventoryItem.States.OpenNeed:
invIS.btnClass = "OpenNeedBtn";
invIS.displayName = "Take";
break;
case (int)InventoryItem.States.TakenNeed:
invIS.btnClass = "TakenNeedBtn";
break;
}
}
return(invIS);
}
