[Core/Milky] Use UTC time for EventBase and remove LocalTimeToUnixTimeSeconds

Author: NoirHare

Lagrange.Core/Events/EventBase.cs

@@ -2,9 +2,12 @@ namespace Lagrange.Core.Events;
 
 public abstract class EventBase : System.EventArgs
 {
+    /// <summary>
+    /// Local receipt time, not server arrival time.
+    /// </summary>
     public DateTime EventTime { get; }
 
-    internal EventBase() => EventTime = DateTime.Now;
+    internal EventBase() => EventTime = DateTime.UtcNow;
 
     public abstract string ToEventMessage();
 

Lagrange.Milky/Extension/DateTimeExtension.cs

@@ -3,6 +3,4 @@ namespace Lagrange.Milky.Extension;
 public static class DateTimeExtension
 {
     public static long ToUnixTimeSeconds(this DateTime time) => new DateTimeOffset(time, TimeSpan.Zero).ToUnixTimeSeconds();
-
-    public static long LocalTimeToUnixTimeSeconds(this DateTime time) => new DateTimeOffset(time).ToUnixTimeSeconds();
 }

Lagrange.Milky/Utility/EntityConvert.Event.cs

@@ -7,7 +7,7 @@ namespace Lagrange.Milky.Utility;
 public partial class EntityConvert
 {
     public BotOfflineEvent BotOfflineEvent(LgrEventArgs.BotOfflineEvent @event) => new(
-        @event.EventTime.LocalTimeToUnixTimeSeconds(),
+        @event.EventTime.ToUnixTimeSeconds(),
         _bot.BotUin,
         new BotOfflineEventData($"{@event.Reason} {@event.Tips?.Tag} {@event.Tips?.Message}")
     );
@@ -19,13 +19,13 @@ public partial class EntityConvert
     );
 
     public GroupNudgeEvent GroupNudgeEvent(LgrEventArgs.BotGroupNudgeEvent @event) => new(
-        @event.EventTime.LocalTimeToUnixTimeSeconds(),
+        @event.EventTime.ToUnixTimeSeconds(),
         _bot.BotUin,
         new GroupNudgeEventData(@event.GroupUin, @event.OperatorUin, @event.TargetUin, @event.Action, @event.Suffix, @event.ActionImageUrl)
     );
 
     public GroupMemberIncreaseEvent GroupMemberIncreaseEvent(LgrEventArgs.BotGroupMemberIncreaseEvent @event) => new(
-        @event.EventTime.LocalTimeToUnixTimeSeconds(),
+        @event.EventTime.ToUnixTimeSeconds(),
         _bot.BotUin,
         new GroupMemberIncreaseEventData(
             @event.GroupUin,
@@ -36,7 +36,7 @@ public partial class EntityConvert
     );
 
     public GroupMemberDecreaseEvent GroupMemberDecreaseEvent(LgrEventArgs.BotGroupMemberDecreaseEvent @event) => new(
-        @event.EventTime.LocalTimeToUnixTimeSeconds(),
+        @event.EventTime.ToUnixTimeSeconds(),
         _bot.BotUin,
         new GroupMemberDecreaseEventData(
             @event.GroupUin,
@@ -46,7 +46,7 @@ public partial class EntityConvert
     );
 
     public FriendRequestEvent FriendRequestEvent(LgrEventArgs.BotFriendRequestEvent @event) => new(
-        @event.EventTime.LocalTimeToUnixTimeSeconds(),
+        @event.EventTime.ToUnixTimeSeconds(),
         _bot.BotUin,
         new FriendRequestEventData(
             @event.InitiatorUid,
@@ -57,7 +57,7 @@ public partial class EntityConvert
     );
 
     public MessageRecallEvent MessageRecallEvent(LgrEventArgs.BotGroupRecallEvent @event) => new(
-        @event.EventTime.LocalTimeToUnixTimeSeconds(),
+        @event.EventTime.ToUnixTimeSeconds(),
         _bot.BotUin,
         new MessageRecallEventData(
             "group",
@@ -69,7 +69,7 @@ public partial class EntityConvert
         )
     );
     public MessageRecallEvent MessageRecallEvent(LgrEventArgs.BotFriendRecallEvent @event) => new(
-        @event.EventTime.LocalTimeToUnixTimeSeconds(),
+        @event.EventTime.ToUnixTimeSeconds(),
         _bot.BotUin,
         new MessageRecallEventData(
             "friend",