public Guid Add(Purchase entity)
{
if (string.IsNullOrEmpty(entity.BillNo))
throw new ArgumentException("Purchase No cannot be empty!");
if (entity.SupplierId == Guid.Empty)
throw new ArgumentException("Purchase supplier cannot be empty!");
if (entity.EmployeeId == Guid.Empty)
throw new ArgumentException("Purchase Employee cannot be empty!");
if (CheckDuplicateBillNo(entity.Id, entity.BillNo))
throw new ArgumentException("Duplicate Purchase No found!");
using (OpenPOSDbEntities ctx = new OpenPOSDbEntities())
{
try
{
ctx.Purchases.MergeOption = MergeOption.NoTracking;
ctx.Purchases.AddObject(entity);
ctx.SaveChanges();
var id = entity.Id;
ctx.Detach(entity);
return id;
}
catch (Exception ex)
{
LogService.Error("Error while adding Purchase", ex);
throw new ArgumentException("Error while adding new Purchase!", ex);
}
}
}
public void Update(Purchase entity)
{
if (entity == null)
throw new ArgumentNullException("entity");
if (string.IsNullOrEmpty(entity.BillNo))
throw new ArgumentException("Purchase No cannot be empty!");
if (entity.SupplierId == Guid.Empty)
throw new ArgumentException("Purchase supplier cannot be empty!");
if (entity.EmployeeId == Guid.Empty)
throw new ArgumentException("Purchase Employee cannot be empty!");
if (CheckDuplicateBillNo(entity.Id, entity.BillNo))
throw new ArgumentException("Duplicate Purchase No found!");
try
{
using (OpenPOSDbEntities ctx = new OpenPOSDbEntities())
{
using (var scope = new TransactionScope(TransactionScopeOption.Required))
{
ctx.ExecuteStoreCommand("DELETE FROM PurchaseDetails WHERE PurchaseId = {0};", entity.Id);
ctx.ExecuteStoreCommand("DELETE FROM PurchasePayments WHERE PurchaseId = {0};", entity.Id);
foreach (var od in entity.PurchaseDetails)
{
ctx.AttachTo("PurchaseDetails", od);
ctx.ObjectStateManager.ChangeObjectState(od, System.Data.EntityState.Added);
}
foreach (var payment in entity.PurchasePayments)
{
ctx.AttachTo("PurchasePayments", payment);
ctx.ObjectStateManager.ChangeObjectState(payment, System.Data.EntityState.Added);
}
ctx.AttachTo("Purchases", entity);
ctx.ObjectStateManager.ChangeObjectState(entity, System.Data.EntityState.Modified);
ctx.SaveChanges();
scope.Complete();
}
}
}
catch (Exception ex)
{
LogService.Error("Error while updating Purchase", ex);
throw new ArgumentException("Error while updating Purchase", ex);
}
}
/// <summary>
/// Deprecated Method for adding a new object to the Purchases EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToPurchases(Purchase purchase)
{
base.AddObject("Purchases", purchase);
}
/// <summary>
/// Create a new Purchase object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="billNo">Initial value of the BillNo property.</param>
/// <param name="totalAmount">Initial value of the TotalAmount property.</param>
/// <param name="purchaseDate">Initial value of the PurchaseDate property.</param>
/// <param name="status">Initial value of the Status property.</param>
/// <param name="supplierId">Initial value of the SupplierId property.</param>
/// <param name="employeeId">Initial value of the EmployeeId property.</param>
/// <param name="systemId">Initial value of the SystemId property.</param>
public static Purchase CreatePurchase(global::System.Guid id, global::System.String billNo, global::System.Double totalAmount, global::System.DateTime purchaseDate, global::System.Boolean status, global::System.Guid supplierId, global::System.Guid employeeId, global::System.String systemId)
{
Purchase purchase = new Purchase();
purchase.Id = id;
purchase.BillNo = billNo;
purchase.TotalAmount = totalAmount;
purchase.PurchaseDate = purchaseDate;
purchase.Status = status;
purchase.SupplierId = supplierId;
purchase.EmployeeId = employeeId;
purchase.SystemId = systemId;
return purchase;
}
