public void UpdateProductAttribute(PRODUCT_ATTRIBUTE Attribute)
{
_productDAO.UpdateProductAttribute(Attribute);
Context.SaveChanges();
// EF maintains objects in context, so if during the same request the same object is read, it will not be loaded from db
// but instead the context version will be used. Here the quantity property isn't updated, so context will have a 0 value for it
// a refresh is needed to get the last version
Context.Refresh(RefreshMode.StoreWins, Attribute);
}
private void FixupPRODUCT_ATTRIBUTE(PRODUCT_ATTRIBUTE previousValue)
{
if (previousValue != null && previousValue.ORDER_DETAIL.Contains(this))
{
previousValue.ORDER_DETAIL.Remove(this);
}
if (PRODUCT_ATTRIBUTE != null)
{
if (!PRODUCT_ATTRIBUTE.ORDER_DETAIL.Contains(this))
{
PRODUCT_ATTRIBUTE.ORDER_DETAIL.Add(this);
}
if (ProdAttrID != PRODUCT_ATTRIBUTE.ID)
{
ProdAttrID = PRODUCT_ATTRIBUTE.ID;
}
}
}
private void FixupPRODUCT_ATTRIBUTE(PRODUCT_ATTRIBUTE previousValue)
{
if (previousValue != null && previousValue.SHOPPING_CART.Contains(this))
{
previousValue.SHOPPING_CART.Remove(this);
}
if (PRODUCT_ATTRIBUTE != null)
{
if (!PRODUCT_ATTRIBUTE.SHOPPING_CART.Contains(this))
{
PRODUCT_ATTRIBUTE.SHOPPING_CART.Add(this);
}
if (ProdAttrID != PRODUCT_ATTRIBUTE.ID)
{
ProdAttrID = PRODUCT_ATTRIBUTE.ID;
}
}
}
public void AddProductAttribute(PRODUCT_ATTRIBUTE Attribute)
{
_productDAO.AddProductAttribute(Attribute);
Context.SaveChanges();
}
private void setAttributes(List<CATEGORY> categoriesList, PRODUCT product, FZExcelProduct exProd)
{
// TODO when different attributes used, this should be changed to be dynamic!
int? sizeAttribute = categoriesList.FirstOrDefault().AttributeID;
List<D_ATTRIBUTE_VALUE> attrValueList = _attributeDAO.GetAttributeValues(sizeAttribute.Value);
PRODUCT_ATTRIBUTE prodAttr;
int availability = 0;
int attrValId = 0;
// TODO this should be generalized for other attributes
// XS size
if (int.TryParse(exProd.SizeXS, out availability) && availability != 0)
{
attrValId = attrValueList.Where(a => a.Value.Equals("XS")).FirstOrDefault().ID;
prodAttr = new PRODUCT_ATTRIBUTE()
{
AttributeValueID = attrValId,
ProductID = product.ID,
Availability = availability,
Quantity = availability,
};
AddProductAttribute(prodAttr);
}
// S size
if (int.TryParse(exProd.SizeS, out availability) && availability != 0)
{
attrValId = attrValueList.Where(a => a.Value.Equals("S")).FirstOrDefault().ID;
prodAttr = new PRODUCT_ATTRIBUTE()
{
AttributeValueID = attrValId,
ProductID = product.ID,
Availability = availability,
Quantity = availability,
};
AddProductAttribute(prodAttr);
}
// M size
if (int.TryParse(exProd.SizeM, out availability) && availability != 0)
{
attrValId = attrValueList.Where(a => a.Value.Equals("M")).FirstOrDefault().ID;
prodAttr = new PRODUCT_ATTRIBUTE()
{
AttributeValueID = attrValId,
ProductID = product.ID,
Availability = availability,
Quantity = availability,
};
AddProductAttribute(prodAttr);
}
// L size
if (int.TryParse(exProd.SizeL, out availability) && availability != 0)
{
attrValId = attrValueList.Where(a => a.Value.Equals("L")).FirstOrDefault().ID;
prodAttr = new PRODUCT_ATTRIBUTE()
{
AttributeValueID = attrValId,
ProductID = product.ID,
Availability = availability,
Quantity = availability,
};
AddProductAttribute(prodAttr);
}
// XL size
if (int.TryParse(exProd.SizeXL, out availability) && availability != 0)
{
attrValId = attrValueList.Where(a => a.Value.Equals("XL")).FirstOrDefault().ID;
prodAttr = new PRODUCT_ATTRIBUTE()
{
AttributeValueID = attrValId,
ProductID = product.ID,
Availability = availability,
Quantity = availability,
};
AddProductAttribute(prodAttr);
}
// XXL size
if (int.TryParse(exProd.SizeXXL, out availability) && availability != 0)
{
attrValId = attrValueList.Where(a => a.Value.Equals("XXL")).FirstOrDefault().ID;
prodAttr = new PRODUCT_ATTRIBUTE()
{
AttributeValueID = attrValId,
ProductID = product.ID,
Availability = availability,
Quantity = availability,
};
AddProductAttribute(prodAttr);
}
}
private void saveAttributes(PRODUCT product)
{
string prodAttrID, attrValID, availability;
PRODUCT_ATTRIBUTE prodAttr;
int id;
foreach (ListViewDataItem item in lvAttributeValues.Items)
{
prodAttrID = attrValID = availability = String.Empty;
prodAttrID = ((HiddenField)item.FindControl("prodAttrID")).Value;
attrValID = ((HiddenField)item.FindControl("attrValID")).Value;
availability = ((TextBox)item.FindControl("txtAvailability")).Text;
id = 0;
prodAttr = new PRODUCT_ATTRIBUTE();
if (!String.IsNullOrEmpty(prodAttrID) && !String.IsNullOrEmpty(attrValID) && Int32.TryParse(prodAttrID, out id))
{
// if availability is 0 and the attribute is never associated to this product, value is not considered
if (availability == "0" && id == 0)
continue;
ddlAttributes.Visible = false;
prodAttr.Availability = Int32.Parse(availability);
prodAttr.AttributeValueID = Int32.Parse(attrValID);
prodAttr.ProductID = product.ID;
// old version from previous retrieval
prodAttr.Version = (byte[])lvAttributeValues.DataKeys[item.DataItemIndex].Value;
if (id != 0)
{
// not new
prodAttr.ID = id;
ApplicationContext.Current.Products.UpdateProductAttribute(prodAttr);
}
else
{
// new, quantity is set only this time
prodAttr.Quantity = prodAttr.Availability;
ApplicationContext.Current.Products.AddProductAttribute(prodAttr);
((HiddenField)item.FindControl("prodAttrID")).Value = prodAttr.ID.ToString();
((Label)item.FindControl("lblQuantity")).Text = prodAttr.Quantity.ToString();
}
}
}
// the list view is updated to reflect new versions after update
List<PRODUCT_ATTRIBUTE> attributes = ApplicationContext.Current.Products.GetProductAttributes(ProductID);
if (attributes.Count > 0)
{
populateAttributeValues(attributes.First().D_ATTRIBUTE_VALUE.AttributeID, attributes);
updPanelAttributes.Update();
}
}
private void FixupPRODUCT_ATTRIBUTE(PRODUCT_ATTRIBUTE previousValue)
{
if (previousValue != null && previousValue.ORDER_DETAIL.Contains(this))
{
previousValue.ORDER_DETAIL.Remove(this);
}
if (PRODUCT_ATTRIBUTE != null)
{
if (!PRODUCT_ATTRIBUTE.ORDER_DETAIL.Contains(this))
{
PRODUCT_ATTRIBUTE.ORDER_DETAIL.Add(this);
}
if (ProdAttrID != PRODUCT_ATTRIBUTE.ID)
{
ProdAttrID = PRODUCT_ATTRIBUTE.ID;
}
}
}
public void UpdateProductAttribute(PRODUCT_ATTRIBUTE Attribute, bool Attach = true)
{
if (Attach)
{
Context.PRODUCT_ATTRIBUTE.Attach(Attribute);
}
var entry = Context.ObjectStateManager.GetObjectStateEntry(Attribute);
entry.SetModifiedProperty("Availability");
}
public void AddProductAttribute(PRODUCT_ATTRIBUTE Attribute)
{
Context.PRODUCT_ATTRIBUTE.AddObject(Attribute);
}
private void FixupPRODUCT_ATTRIBUTE(PRODUCT_ATTRIBUTE previousValue)
{
if (previousValue != null && previousValue.SHOPPING_CART.Contains(this))
{
previousValue.SHOPPING_CART.Remove(this);
}
if (PRODUCT_ATTRIBUTE != null)
{
if (!PRODUCT_ATTRIBUTE.SHOPPING_CART.Contains(this))
{
PRODUCT_ATTRIBUTE.SHOPPING_CART.Add(this);
}
if (ProdAttrID != PRODUCT_ATTRIBUTE.ID)
{
ProdAttrID = PRODUCT_ATTRIBUTE.ID;
}
}
}
