public IEnumerable <string> GetExpand()
{
string rec(OdataSelectExpand c)
{
var parts = new List <string>();
var select = c.GetSelect();
if (c.Filter != null)
{
parts.Add($"$filter={c.Filter}");
}
if (select.Any())
{
parts.Add($"$select={string.Join(",", select)}");
}
var sem = c.SelectMembers.Where(x => x.IsComplexType).Select(x => x.MemberPath);
if (c.Childs.Any() || sem.Any())
{
parts.Add($"$expand={string.Join(",", sem.Concat(c.Childs.Select(x => rec(x))))}");
}
var se = string.Join(";", parts);
return($"{c.MemberPath}({se})");
}
return(SelectMembers.Where(x => x.IsComplexType).Select(x => x.MemberPath).Concat(Childs.Select(x => rec(x))));
}
public void Merge(OdataSelectExpand tree)
{
if (tree.MemberPath == MemberPath)
{
SelectMembers = SelectMembers.Concat(tree.SelectMembers).Distinct().ToList();
foreach (var child in tree.Childs)
{
var selfChild = Childs.FirstOrDefault(x => x.MemberPath == child.MemberPath);
if (selfChild != null)
{
selfChild.Merge(child);
}
else
{
selfChild.Childs.Add(child);
}
}
}
}
public IEnumerable <string> GetSelect()
{
return(SelectMembers.Where(x => !Childs.Any(y => y.MemberPath == x.MemberPath) && !x.IsComplexType).Select(x => x.MemberPath));
}
