private Expression VisitMember <T>(T node, Func <T, Expression> baseCaller) where T : Expression
{
var queryField = memberAccessBuilder.GetFieldOrNull(node);
if (queryField == null)
{
return(baseCaller(node));
}
rootIsSingleItem = ReferenceEquals(node, xRoot);
var fieldIndex = -1;
for (var i = 0; i < fields.Count; i++)
{
if (fields[i].Path == queryField.Path)
{
fieldIndex = i;
break;
}
}
if (fieldIndex < 0)
{
fields.Add(queryField);
fieldIndex = fields.Count - 1;
}
items.Add(new SelectedPropertyItem(null, fieldIndex));
return(node);
}
public override void VisitOrdering(Ordering ordering, QueryModel queryModel,
OrderByClause orderByClause, int index)
{
base.VisitOrdering(ordering, queryModel, orderByClause, index);
var field = memberAccessBuilder.GetFieldOrNull(ordering.Expression);
if (field == null)
{
throw new InvalidOperationException("order by must have field reference");
}
var fieldOrdering = new FieldOrdering
{
Field = new FieldReferenceExpression
{
Field = field.Expression,
CustomId = CustomFieldHelpers.ExtractIdentifier(field.Expression)
},
Order = ordering.OrderingDirection == OrderingDirection.Asc
? JqlOrderType.Asc
: JqlOrderType.Desc
};
queryBuilder.AppendOrdering(fieldOrdering);
}