// Trips($filter=contains(Name, {f5eac763-e025-4cf8-aa1d-9bb3a2986515}) $select=Id,Name $orderby=Id desc $expand=Hotels),Contacts($filter=Name eq {670bc07f-6b33-47fb-be01-63834e25ff21})
protected ExpandNode[] Compose(string value, XElement parentSchema, string parentPath)
{
List <ExpandNode> expands = new List <ExpandNode>();
string val = value;
//
Dictionary <string, string> placeholders = new Dictionary <string, string>();
val = Regex.Replace(val, ParenthesesPairPattern, new MatchEvaluator(m =>
{
string guid = GetGuid();
placeholders.Add(guid, m.Value);
return(guid);
}));
//
string[] expandStrings = val.Split(',');
for (int i = 0; i < expandStrings.Length; i++)
{
string expandString = expandStrings[i].Trim();
expandString = DecodeString(expandString, placeholders);
string property = GetProperty(expandString, out string select, out string filter, out string orderby, out string expand);
XElement[] propertyPath = Schema.GenerateExpandPropertyPath(parentSchema, property);
ExpandProperty oProperty = ExpandProperty.Create(property, propertyPath, parentSchema, Schema);
string path = parentPath + "/" + property;
ExpandNode oExpand = ExpandNode.Create(oProperty, select, filter, orderby, Schema, Parameters);
oExpand.Path = path;
expands.Add(oExpand);
//
if (!string.IsNullOrWhiteSpace(expand))
{
oExpand.Children = Compose(expand, propertyPath[propertyPath.Length - 1], path);
}
}
return(expands.ToArray());
}
protected ExpandNode Compose(Expand expand, XElement parentSchema, string parentPath)
{
string property = expand.Property;
XElement[] propertyPath = Schema.GenerateExpandPropertyPath(parentSchema, property);
ExpandProperty oProperty = ExpandProperty.Create(property, propertyPath, parentSchema, Schema);
string path = parentPath + "/" + property;
ExpandNode oExpand = ExpandNode.Create(oProperty, expand.Select, expand.Filter, expand.Orderby, Schema, Parameters);
oExpand.Path = path;
oExpand.Children = new ExpandNode[expand.Children.Length];
for (int i = 0; i < expand.Children.Length; i++)
{
oExpand.Children[i] = Compose(expand.Children[i], propertyPath[propertyPath.Length - 1], path);
}
return(oExpand);
}
