antiantiswearingbot/AntiAntiSwearingBot/ConfigBase.cs

using System.IO;
using System.Reflection;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Serialization;

namespace AntiAntiSwearingBot;

public abstract class ConfigBase
{
    public static T Load<T>(params string[] paths) where T : ConfigBase, new()
    {
        var result = new T();
        var configJson = new JObject();
        var mergeSettings = new JsonMergeSettings
        {
            MergeArrayHandling = MergeArrayHandling.Union
        };

        foreach (var path in paths)
        {
            try { configJson.Merge(JObject.Parse(File.ReadAllText(path)), mergeSettings);}
            catch { }
        }

        using (var sr = configJson.CreateReader())
        {
            var settings = new JsonSerializerSettings
            {
                ContractResolver = new PrivateSetterContractResolver()
            };
            JsonSerializer.CreateDefault(settings).Populate(sr, result);
        }

        return result;
    }
}

public class PrivateSetterContractResolver : DefaultContractResolver
{
    protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
    {
        var jProperty = base.CreateProperty(member, memberSerialization);
        if (jProperty.Writable)
            return jProperty;

        jProperty.Writable = member.IsPropertyWithSetter();

        return jProperty;
    }
}

public class PrivateSetterCamelCasePropertyNamesContractResolver : CamelCasePropertyNamesContractResolver
{
    protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
    {
        var jProperty = base.CreateProperty(member, memberSerialization);
        if (jProperty.Writable)
            return jProperty;

        jProperty.Writable = member.IsPropertyWithSetter();

        return jProperty;
    }
}

internal static class MemberInfoExtensions
{
    internal static bool IsPropertyWithSetter(this MemberInfo member)
    {
        var property = member as PropertyInfo;

        return property?.GetSetMethod(true) != null;
    }
}