25 lines
855 B
C#
25 lines
855 B
C#
using System;
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using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
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namespace AMWD.Common.EntityFrameworkCore.Converters
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{
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/// <summary>
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/// Defines the conversion from a nullable <see cref="TimeOnly"/> object to a nullable <see cref="TimeSpan"/> which can be handled by the database engine.
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/// </summary>
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/// <remarks>
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/// As of 2022-06-04 only required for Microsoft SQL server on .NET 6.0.
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/// </remarks>
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public class NullableTimeOnlyConverter : ValueConverter<TimeOnly?, TimeSpan?>
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="NullableTimeOnlyConverter"/> class.
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/// </summary>
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public NullableTimeOnlyConverter()
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: base(
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d => d == null ? null : new TimeSpan?(d.Value.ToTimeSpan()),
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d => d == null ? null : new TimeOnly?(TimeOnly.FromTimeSpan(d.Value))
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)
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{ }
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}
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}
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