pulsar/ObservatoryFramework/Files/Converters/LegacyFactionConverter.cs

using System.Text.Json;
using System.Text.Json.Serialization;
using Observatory.Framework.Files.ParameterTypes;

namespace Observatory.Framework.Files.Converters;

/// <summary>
/// Faction changed from a simple string to an object with additional state information. If we find a string convert it to an object with null state.
/// </summary>
public class LegacyFactionConverter<TFaction> : JsonConverter<TFaction> where TFaction : Faction, new()
{
    public override TFaction Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
    {
            if (reader.TokenType == JsonTokenType.String)
            {
                return new TFaction { Name = reader.GetString(), FactionState = null };
            }

            return JsonSerializer.Deserialize<TFaction>(ref reader);
        }

    public override void Write(Utf8JsonWriter writer, TFaction value, JsonSerializerOptions options)
    {
        JsonSerializer.Serialize(writer, value, options);
    }
}