35 lines
1.2 KiB
C#
35 lines
1.2 KiB
C#
using System.Diagnostics.CodeAnalysis;
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using AyCode.Utils.Extensions;
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using LinqToDB.Common;
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using Nop.Core;
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using Nop.Core.Domain.Common;
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namespace Mango.Nop.Core.Extensions;
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public static class GenericAttributeExtensions
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{
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public static TValue? GetValueOrNull<TValue>(this IEnumerable<GenericAttribute> src, string key) where TValue : struct
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{
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var ga = src.SingleOrDefault(x => x.Key == key);
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if (ga == null || ga.Value.IsNullOrWhiteSpace()) return null;
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return CommonHelper.To<TValue>(ga.Value);
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}
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public static TValue GetValueOrDefault<TValue>(this IEnumerable<GenericAttribute> src, string key, TValue defaultValue = default) where TValue : struct
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{
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var gaValue = GetValueOrNull<TValue>(src, key);
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return gaValue == null ? defaultValue : CommonHelper.To<TValue>(gaValue);
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}
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public static bool TryGetValue<TValue>(this IEnumerable<GenericAttribute> src, string key, [NotNullWhen(true)] out TValue? value) where TValue : struct
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{
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value = null;
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var gaValue = GetValueOrNull<TValue>(src, key);
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if (gaValue == null) return false;
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value = CommonHelper.To<TValue>(gaValue);
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return true;
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}
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} |