fix: 导出失败原因明细时间按默认文化时区转换

src/Contracts/Masa.Mc.Contracts.Admin/Dtos/Statistics/FailureReasonDetailExportItem.cs

@@ -15,10 +15,10 @@ public sealed class FailureReasonDetailExportItem
     public string FailureReason { get; init; } = string.Empty;
 
     [ExporterHeader(DisplayName = "预计发送时间")]
-    public DateTimeOffset? ExpectSendTime { get; init; }
+    public DateTime? ExpectSendTime { get; init; }
 
     [ExporterHeader(DisplayName = "实际发送时间")]
-    public DateTimeOffset? SendTime { get; init; }
+    public DateTime? SendTime { get; init; }
 
     [ExporterHeader(DisplayName = "消息ID")]
     public string MessageId { get; init; } = string.Empty;

src/Services/Masa.Mc.Service/Application/ChannelStatistics/ChannelStatisticsQueryHandler.cs

@@ -175,14 +175,14 @@ public async Task ExportChannelFailureReasonDetailsAsync(ExportChannelFailureRea
         var exportQuery = records
             .Where(x => x.Success == false)
             .OrderByDescending(x => x.SendTime ?? x.ExpectSendTime ?? DateTimeOffset.MinValue)
-            .Select(x => new FailureReasonDetailExportItem
+            .Select(x => new
             {
-                DisplayName = x.DisplayName,
-                ChannelUserIdentity = x.ChannelUserIdentity,
-                FailureReason = string.IsNullOrWhiteSpace(x.FailureReason) ? "Unknown" : x.FailureReason,
-                ExpectSendTime = x.ExpectSendTime,
-                SendTime = x.SendTime,
-                MessageId = x.MessageId
+                x.DisplayName,
+                x.ChannelUserIdentity,
+                x.FailureReason,
+                x.ExpectSendTime,
+                x.SendTime,
+                x.MessageId
             });
 
         const int maxExportCount = 100000;
@@ -191,7 +191,17 @@ public async Task ExportChannelFailureReasonDetailsAsync(ExportChannelFailureRea
         {
             throw new UserFriendlyException("导出数据量过大，请缩小筛选范围");
         }
-        var exportItems = await exportQuery.ToListAsync();
+        var exportRecords = await exportQuery.ToListAsync();
+        var exportTimeZone = CultureTimeZoneResolver.GetDefaultCultureTimeZone();
+        var exportItems = exportRecords.Select(x => new FailureReasonDetailExportItem
+        {
+            DisplayName = x.DisplayName,
+            ChannelUserIdentity = x.ChannelUserIdentity,
+            FailureReason = string.IsNullOrWhiteSpace(x.FailureReason) ? "Unknown" : x.FailureReason,
+            ExpectSendTime = CultureTimeZoneResolver.ConvertTime(x.ExpectSendTime, exportTimeZone),
+            SendTime = CultureTimeZoneResolver.ConvertTime(x.SendTime, exportTimeZone),
+            MessageId = x.MessageId
+        }).ToList();
 
         query.Result = await _exporter.ExportAsByteArray(exportItems);
     }

src/Services/Masa.Mc.Service/Infrastructure/Extensions/CultureConfiguration.cs → src/Services/Masa.Mc.Service/Infrastructure/Culture/CultureConfiguration.cs

@@ -1,7 +1,7 @@
 // Copyright (c) MASA Stack All rights reserved.
 // Licensed under the Apache License. See LICENSE.txt in the project root for license information.
 
-namespace Masa.Mc.Service.Admin.Infrastructure.Extensions;
+namespace Masa.Mc.Service.Admin.Infrastructure.Culture;
 
 public static class CultureConfiguration
 {

src/Services/Masa.Mc.Service/Infrastructure/Culture/CultureTimeZoneResolver.cs

@@ -0,0 +1,68 @@
+// Copyright (c) MASA Stack All rights reserved.
+// Licensed under the Apache License. See LICENSE.txt in the project root for license information.
+
+namespace Masa.Mc.Service.Admin.Infrastructure.Culture;
+
+public static class CultureTimeZoneResolver
+{
+    private static readonly IReadOnlyDictionary<string, string> RegionTimeZoneIds = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+    {
+        ["CN"] = "China Standard Time"
+    };
+
+    public static TimeZoneInfo GetDefaultCultureTimeZone()
+    {
+        var culture = System.Globalization.CultureInfo.DefaultThreadCurrentCulture
+            ?? System.Globalization.CultureInfo.DefaultThreadCurrentUICulture
+            ?? System.Globalization.CultureInfo.CurrentCulture;
+
+        return GetCultureTimeZone(culture);
+    }
+
+    public static DateTime? ConvertToDefaultCultureTime(DateTimeOffset? time)
+    {
+        return ConvertTime(time, GetDefaultCultureTimeZone());
+    }
+
+    public static DateTime? ConvertTime(DateTimeOffset? time, TimeZoneInfo timeZone)
+    {
+        if (!time.HasValue)
+        {
+            return null;
+        }
+
+        return TimeZoneInfo.ConvertTime(time.Value, timeZone).DateTime;
+    }
+
+    private static TimeZoneInfo GetCultureTimeZone(System.Globalization.CultureInfo culture)
+    {
+        if (TryGetRegionName(culture, out var regionName) &&
+            RegionTimeZoneIds.TryGetValue(regionName, out var timeZoneId))
+        {
+            return TimeZoneUtil.FindTimeZoneById(timeZoneId);
+        }
+
+        return TimeZoneInfo.Utc;
+    }
+
+    private static bool TryGetRegionName(System.Globalization.CultureInfo culture, out string regionName)
+    {
+        regionName = string.Empty;
+
+        if (culture.IsNeutralCulture || string.IsNullOrWhiteSpace(culture.Name))
+        {
+            return false;
+        }
+
+        try
+        {
+            regionName = new System.Globalization.RegionInfo(culture.Name).TwoLetterISORegionName;
+            return true;
+        }
+        catch (ArgumentException)
+        {
+            return false;
+        }
+    }
+
+}

src/Services/Masa.Mc.Service/_Imports.cs

@@ -182,6 +182,7 @@
 global using Masa.Mc.Service.Admin.EntityFrameworkCore;
 global using Masa.Mc.Service.Admin.Infrastructure.Authentication;
 global using Masa.Mc.Service.Admin.Infrastructure.ChannelUserFinder.Provider.Auth;
+global using Masa.Mc.Service.Admin.Infrastructure.Culture;
 global using Masa.Mc.Service.Admin.Infrastructure.Extensions;
 global using Masa.Mc.Service.Admin.Infrastructure.MessageTaskJobService;
 global using Masa.Mc.Service.Admin.Infrastructure.Middleware;