Ping/backend/Core/Ping.Application/Serialization/LongAsStringConverter.cs

using System.Globalization;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace Ping.Application.Serialization
{
    public sealed class LongAsStringConverter : JsonConverter<long>
    {
        public override long Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) =>
            reader.TokenType == JsonTokenType.String
                ? long.Parse(reader.GetString()!, CultureInfo.InvariantCulture)
                : reader.GetInt64();

        public override void Write(Utf8JsonWriter writer, long value, JsonSerializerOptions options) =>
            writer.WriteStringValue(value.ToString(CultureInfo.InvariantCulture));
    }

    public sealed class NullableLongAsStringConverter : JsonConverter<long?>
    {
        public override long? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
        {
            if (reader.TokenType == JsonTokenType.Null)
                return null;

            return reader.TokenType == JsonTokenType.String
                ? string.IsNullOrEmpty(reader.GetString()) ? null : long.Parse(reader.GetString()!, CultureInfo.InvariantCulture)
                : reader.GetInt64();
        }

        public override void Write(Utf8JsonWriter writer, long? value, JsonSerializerOptions options)
        {
            if (value.HasValue)
                writer.WriteStringValue(value.Value.ToString(CultureInfo.InvariantCulture));
            else
                writer.WriteNullValue();
        }
    }
}