protected static ExpandableField <T> SetExpandableFieldObject <T>(T obj, ExpandableField <T> expandable) where T : IHasId
{
if (expandable == null)
{
expandable = new ExpandableField <T>();
}
expandable.ExpandedObject = obj;
return(expandable);
}
protected static ExpandableField <T> SetExpandableFieldId <T>(string id, ExpandableField <T> expandable) where T : IHasId
{
if (expandable == null)
{
expandable = new ExpandableField <T>();
expandable.Id = id;
}
else if (expandable.Id != id)
{
expandable.ExpandedObject = default;
expandable.Id = id;
}
return(expandable);
}
/// <summary>
/// Reads the JSON representation of the object.
/// </summary>
/// <param name="reader">The <see cref="JsonReader"/> to read from.</param>
/// <param name="objectType">Type of the object.</param>
/// <param name="existingValue">The existing value of object being read.</param>
/// <param name="serializer">The calling serializer.</param>
/// <returns>The object value.</returns>
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var value = new ExpandableField <T>();
switch (reader.TokenType)
{
case JsonToken.Null:
// Do nothing
break;
case JsonToken.String:
value.Id = (string)reader.Value;
break;
case JsonToken.StartObject:
var jObject = JObject.Load(reader);
using (var subReader = jObject.CreateReader())
{
value.ExpandedObject = (T)base.ReadJson(
subReader, typeof(T), value.ExpandedObject, serializer);
}
// If we failed to deserialize the expanded object (e.g. because of an unknown
// type), make a last ditch attempt at getting the ID.
if (value.ExpandedObject == null)
{
value.Id = (string)jObject["id"];
}
break;
default:
throw new JsonSerializationException(string.Format(
"Unexpected token when converting ExpandableField: {0}.",
reader.TokenType.ToString()));
}
return(value);
}
