public static CamlGroupBy BeforeBy(this CamlGroupBy groupBy, CamlFieldRef fieldRef, bool? collapse = null, int? limit = null)
{
if (groupBy == null)
{
return new CamlGroupBy(fieldRef, collapse, limit);
}
if (groupBy.Collapse != null)
{
collapse = collapse == null ? groupBy.Collapse.Value : collapse.Value | groupBy.Collapse.Value;
}
if (groupBy.Limit != null)
{
limit = limit == null ? groupBy.Limit.Value : Math.Max(limit.Value, groupBy.Limit.Value);
}
var fields = new List<CamlFieldRef> { fieldRef };
fields.AddRange(groupBy.FieldRefs);
return new CamlGroupBy(fields, collapse, limit);
}
public static CamlOrderBy ThenBy(this CamlOrderBy orderBy, CamlFieldRef fieldRef)
{
if (orderBy == null)
{
orderBy = new CamlOrderBy(fieldRef);
}
var fields = new List<CamlFieldRef>(orderBy.FieldRefs) { fieldRef };
return new CamlOrderBy(fields);
}
