32 lines
1.1 KiB
C#
32 lines
1.1 KiB
C#
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using System.Globalization;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace SIGCM2.Api.Json;
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/// <summary>
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/// JSON converter for <see cref="DateOnly"/> that uses the "yyyy-MM-dd" ISO format.
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///
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/// UDT-011: Ensures Cat2 date fields (VigenciaDesde, etc.) never serialize as
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/// "2026-05-01T00:00:00" or with a UTC suffix "Z", which would mislead consumers
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/// into treating civil Argentine dates as absolute UTC instants.
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/// </summary>
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public sealed class DateOnlyJsonConverter : JsonConverter<DateOnly>
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{
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private const string DateFormat = "yyyy-MM-dd";
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public override DateOnly Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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var str = reader.GetString();
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if (str is null)
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throw new JsonException("DateOnly value cannot be null.");
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return DateOnly.ParseExact(str, DateFormat, CultureInfo.InvariantCulture);
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}
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public override void Write(Utf8JsonWriter writer, DateOnly value, JsonSerializerOptions options)
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{
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writer.WriteStringValue(value.ToString(DateFormat, CultureInfo.InvariantCulture));
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}
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}
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