DateJsonConverter.cs

namespace ShipEngineSDK;

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

/// <summary>
/// Converts a Date to and from JSON
/// </summary>
public class DateJsonConverter : JsonConverter<DateTime>
{
    private const string Format = "yyyy-MM-dd";

    /// <summary>
    /// Read a Date from a JSON string
    /// </summary>
    /// <param name="reader">JSON reader</param>
    /// <param name="typeToConvert">Object type to convert</param>
    /// <param name="options">Serializer options</param>
    /// <returns>The object converted from the JSON string</returns>
    public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) =>
        DateTime.ParseExact(reader.GetString()!, Format, CultureInfo.InvariantCulture);

    /// <summary>
    /// Write a Date to a JSON string
    /// </summary>
    /// <param name="writer">JSON writer</param>
    /// <param name="value">Object to be converted into a JSON string</param>
    /// <param name="options">Serializer options</param>
    public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options) =>
        writer.WriteStringValue(value.ToString(Format, CultureInfo.InvariantCulture));
}