public void UpdateItem(Product item)
{
// ReSharper disable PossibleNullReferenceException
if (currentItemNode.Attributes["ItemNum"].Value != item.ItemNumber)
{
GetItem(item.ItemNumber);
}
try
{
currentItemNode.Attributes["ItemNum"].Value = item.ItemNumber;
currentItemNode.Attributes["Description"].Value = item.Description;
currentItemNode.Attributes["L"].Value = item.L.ToString();
currentItemNode.Attributes["W"].Value = item.W.ToString();
currentItemNode.Attributes["H"].Value = item.H.ToString();
currentItemNode.Attributes["SinglePack"].Value = item.SinglePack.ToString();
currentItemNode.Attributes["SignReq"].Value = item.SignatureRequired.ToString();
currentItemNode.Attributes["USMail"].Value = item.ShipUSMail.ToString();
currentItemNode.Attributes["PackingException"].Value = item.PackingException.ToString();
var weightNode = currentItemNode.SelectSingleNode("Weight");
weightNode.Attributes["WeightForOne"].Value = item.Weight.ToString("0.00");
weightNode.Attributes[""].Value = item.PackagingWeight.ToString();
var newSubItemsNode = CreateNode(XmlNodeType.Element, "SubItems", null);
if (item.IsKit)
{
foreach (var itemNumber in item.SubItems)
{
var subItem = CreateNode(XmlNodeType.Element, "SubItem", null);
subItem.InnerText = itemNumber;
newSubItemsNode.AppendChild(subItem);
}
}
var oldSubItemsNode = currentItemNode.SelectSingleNode("SubItems");
// ReSharper disable AssignNullToNotNullAttribute
currentItemNode.ReplaceChild(newSubItemsNode, oldSubItemsNode);
// ReSharper restore AssignNullToNotNullAttribute
Logger.Log(String.Format("Item '{0}' has been updated.", item.ItemNumber));
Logger.Log(String.Format("\tUpdated values - \n{0}", item.PropertyList()));
Save(xmlFileName);
// ReSharper restore PossibleNullReferenceException
}
catch (Exception ex)
{
throw new ItemMaintenanceException("An unexpected exception occurred during UpdateItem.", ex);
}
}
public void LoadItemList(string pathFileName)
{
xmlFileName = pathFileName;
try
{
itemNos = new List <string>();
Load(pathFileName);
root = DocumentElement;
if (root == null)
{
throw new Exception("A problem occurred while loading the item data; no root element was found.");
}
if (!root.HasChildNodes)
{
throw new Exception(
"A problem occurred while loading the item data; root element contained no child nodes.");
}
foreach (XmlNode node in root.ChildNodes)
{
// ReSharper disable PossibleNullReferenceException
itemNos.Add(node.Attributes["ItemNum"].Value);
// ReSharper restore PossibleNullReferenceException
}
currentItemNode = root.FirstChild;
ListLoaded = true;
Logger.Log("Item list successfully loaded.");
}
catch (Exception ex)
{
throw new ItemDataLoadException("An exception occurred while loading the item data.", ex);
}
}
public void AddItem(Product objItem)
{
if (Exists(objItem.ItemNumber))
{
throw new DuplicateItemException(objItem.ItemNumber);
}
try
{
var newItem = CreateItemNode(objItem);
matchValue = objItem.ItemNumber;
var i = GetLastIndex();
if (i == -1)
{
root.AppendChild(newItem);
}
else
{
var itemNum = itemNos[i];
currentItemNode = root.SelectSingleNode("//Item[@ItemNum='" + itemNum + "']");
root.InsertAfter(newItem, currentItemNode);
}
itemNos.Insert(i + 1, objItem.ItemNumber);
Save(xmlFileName);
Logger.Log(String.Format("Item '{0}' has been added to the list.", objItem.ItemNumber));
Logger.Log(String.Format("\tValues -\n{0}", objItem.PropertyList()));
currentItemNode = root.SelectSingleNode("//Item[@ItemNum='" + objItem.ItemNumber + "']");
}
catch (Exception ex)
{
throw new ItemMaintenanceException("Add item failed!", ex);
}
}
public void RemoveItem(string itemNumber)
{
matchValue = itemNumber;
try
{
var tempNode = currentItemNode;
currentItemNode = tempNode.Equals(root.LastChild) ? currentItemNode.PreviousSibling : currentItemNode.NextSibling;
root.RemoveChild(tempNode);
Save(xmlFileName);
var i = itemNos.IndexOf(itemNumber);
itemNos.RemoveAt(i);
Logger.Log(String.Format("Item '{0}' has been deleted.", itemNumber));
}
catch (Exception ex)
{
throw new ItemMaintenanceException("Unexpected exception occurred in RemoveItem.", ex);
}
}
