/// <summary>
/// Update Node's Infomation
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public bool UpdateItem(WFNode o, params System.Linq.Expressions.Expression <Func <WFNode, object> >[] properties)
{
var item = db.WFNodes.Where(i => i.NodeID == o.NodeID).SingleOrDefault();
if (item != null)
{
foreach (var propertie in properties)
{
var lambda = (LambdaExpression)propertie;
MemberExpression memberExpression;
if (lambda.Body is UnaryExpression)
{
memberExpression = (MemberExpression)((UnaryExpression)lambda.Body).Operand;
}
else
{
memberExpression = (MemberExpression)lambda.Body;
}
string propertyName = memberExpression.Member.Name;
item.GetType().GetProperty(propertyName).SetValue(item, o.GetType().GetProperty(propertyName).GetValue(o));
}
db.SaveChanges();
}
else
{
return(false);
}
return(true);
}
public string InsertItem(WFNode o)
{
o.NodeID = Guid.NewGuid().ToString();
o.Status = 1;
db.WFNodes.Add(o);
db.SaveChanges();
return(o.NodeID);
}
public bool DeleteItem(string sItemID)
{
WFNode item = db.WFNodes.Where(i => i.NodeID == sItemID).SingleOrDefault();
if (item != null)
{
if (item.WFNodeDetails.Count > 0)
{
return(false);
}
db.WFNodes.Remove(item);
db.SaveChanges();
return(true);
}
return(false);
}
