(GH-362) Replace DateOnly with (int Year, int Month, int Day))

Source/ZoomNet/Json/DateOnlyConverter.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Text.Json;
+
+namespace ZoomNet.Json
+{
+	/// <summary>
+	/// Converts a DateOnly (which is represented by 3 integer values: year, month and day) to or from JSON.
+	/// </summary>
+	/// <seealso cref="ZoomNetJsonConverter{T}"/>
+	internal class DateOnlyConverter : ZoomNetJsonConverter<(int Year, int Month, int Day)>
+	{
+		public override (int Year, int Month, int Day) Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+		{
+			switch (reader.TokenType)
+			{
+				case JsonTokenType.None:
+				case JsonTokenType.Null:
+				case JsonTokenType.String when string.IsNullOrEmpty(reader.GetString()):
+					throw new JsonException("Unable to convert a null value to DateOnly");
+
+				case JsonTokenType.String:
+					var rawValue = reader.GetString();
+					var parts = rawValue.Split('-');
+					if (parts.Length != 3) throw new JsonException($"Unable to convert {rawValue} to DateOnly");
+					return (int.Parse(parts[0]), int.Parse(parts[1]), int.Parse(parts[2]));
+
+				default:
+					throw new JsonException($"Unable to convert {reader.TokenType.ToEnumString()} to DateOnly");
+			}
+		}
+
+		public override void Write(Utf8JsonWriter writer, (int Year, int Month, int Day) value, JsonSerializerOptions options)
+		{
+			writer.WriteStringValue($"{value.Year:D4}-{value.Month:D2}-{value.Day:D2}");
+		}
+	}
+}

Source/ZoomNet/Models/DailyUsageSummary.cs

@@ -1,5 +1,5 @@
-using System;
 using System.Text.Json.Serialization;
+using ZoomNet.Json;
 
 namespace ZoomNet.Models
 {
@@ -10,7 +10,8 @@ public class DailyUsageSummary
 	{
 		/// <summary>Gets or sets the date.</summary>
 		[JsonPropertyName("date")]
-		public DateOnly Date { get; set; }
+		[JsonConverter(typeof(DateOnlyConverter))]
+		public (int Year, int Month, int Day) Date { get; set; }
 
 		/// <summary>Gets or sets number of meeting minutes.</summary>
 		[JsonPropertyName("meeting_minutes")]