private NamedExpressionsListModel GetNamedExpressionsList(String name, XElement logicXElem)
{
var expressionsByXElem = logicXElem.Element(name);
if (expressionsByXElem == null)
{
return(null);
}
var expressionsModel = new NamedExpressionsListModel
{
Expressions = new List <NamedExpressionModel>()
};
foreach (var itemXElem in expressionsByXElem.Elements("Item"))
{
var model = new NamedExpressionModel
{
Key = (Guid?)itemXElem.Element("Key"),
Name = (String)itemXElem.Element("Name"),
Expression = (String)itemXElem.Element("Expression"),
OutputType = (String)itemXElem.Element("OutputType")
};
expressionsModel.Expressions.Add(model);
}
return(expressionsModel);
}
private XElement GetExpressionsXElem(String name, NamedExpressionsListModel model)
{
if (model == null || model.Expressions == null)
{
return(null);
}
var expressionsByXElem = new XElement(name);
foreach (var item in model.Expressions)
{
var itemXElem = new XElement("Item",
new XElement("Key", item.Key),
new XElement("Name", item.Name),
new XElement("Expression", item.Expression),
new XElement("OutputType", item.OutputType));
expressionsByXElem.Add(itemXElem);
}
return(expressionsByXElem);
}
private IEnumerable <String> GetExpressions(NamedExpressionsListModel model)
{
if (model == null || model.Expressions == null)
{
yield break;
}
foreach (var exp in model.Expressions)
{
if (exp != null && !String.IsNullOrWhiteSpace(exp.Expression))
{
if (!String.IsNullOrWhiteSpace(exp.Name))
{
var name = GetCorrectName(exp.Name);
yield return(String.Format("{0} AS {1}", exp.Expression, name));
}
else
{
yield return(exp.Expression);
}
}
}
}
