QWQLwToo
33 lines
942 B
C#
33 lines
942 B
C#
using System.Globalization;
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using System.Security.Cryptography;
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using System.Text.RegularExpressions;
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namespace YMhut.Box.Core.Feedback;
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public static class FeedbackCode
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{
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private static readonly Regex Pattern = new(
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"^FB-[0-9]{8}-[A-F0-9]{6}$",
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RegexOptions.Compiled | RegexOptions.CultureInvariant);
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public static string Create(DateTimeOffset? now = null)
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{
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Span<byte> bytes = stackalloc byte[3];
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RandomNumberGenerator.Fill(bytes);
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var stamp = (now ?? DateTimeOffset.Now).ToString("yyyyMMdd", CultureInfo.InvariantCulture);
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return $"FB-{stamp}-{Convert.ToHexString(bytes)}";
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}
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public static bool IsValid(string? value)
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{
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return Pattern.IsMatch(Normalize(value));
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}
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public static string Normalize(string? value)
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{
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return string.IsNullOrWhiteSpace(value)
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? string.Empty
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: value.Trim().ToUpperInvariant();
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}
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}
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