50 lines
1.3 KiB
C#
50 lines
1.3 KiB
C#
using System;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace OnlineSalesAutoCrop.CoreAPI.Converter;
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public class NullableDecimalConverter : JsonConverter<decimal?>
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{
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public override decimal? Read(
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ref Utf8JsonReader reader,
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Type typeToConvert,
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JsonSerializerOptions options)
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{
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if (reader.TokenType == JsonTokenType.Null)
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return null;
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if (reader.TokenType == JsonTokenType.Number)
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{
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var value = reader.GetDecimal();
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return value == 0 ? null : value;
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}
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if (reader.TokenType == JsonTokenType.String)
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{
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var value = reader.GetString();
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if (string.IsNullOrWhiteSpace(value) || value == "0")
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return null;
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if (int.TryParse(value, out var result))
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return result;
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throw new JsonException($"Invalid ScaleValue: {value}");
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}
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throw new JsonException("ScaleValue must be a number, string, or null.");
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}
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public override void Write(
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Utf8JsonWriter writer,
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decimal? value,
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JsonSerializerOptions options)
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{
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if (value is null)
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writer.WriteNullValue();
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else
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writer.WriteNumberValue(value.Value);
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}
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} |