Fix site handing after enabling user time zone feature (#17071)

---------

Co-authored-by: Mike Alhayek <[email protected]>

src/OrchardCore.Modules/OrchardCore.Users/Drivers/UserDisplayDriver.cs

@@ -126,7 +126,7 @@ public override async Task<IDisplayResult> UpdateAsync(User user, UpdateEditorCo
                 var userContext = new UserContext(user);
                 // TODO This handler should be invoked through the create or update methods.
                 // otherwise it will not be invoked when a workflow, or other operation, changes this value.
-                await _userEventHandlers.InvokeAsync((handler, context) => handler.DisabledAsync(userContext), userContext, _logger);
+                await _userEventHandlers.InvokeAsync((handler, context) => handler.DisabledAsync(context), userContext, _logger);
             }
         }
         else if (!isEditingDisabled && model.IsEnabled && !user.IsEnabled)
@@ -135,7 +135,7 @@ public override async Task<IDisplayResult> UpdateAsync(User user, UpdateEditorCo
             var userContext = new UserContext(user);
             // TODO This handler should be invoked through the create or update methods.
             // otherwise it will not be invoked when a workflow, or other operation, changes this value.
-            await _userEventHandlers.InvokeAsync((handler, context) => handler.EnabledAsync(userContext), userContext, _logger);
+            await _userEventHandlers.InvokeAsync((handler, context) => handler.EnabledAsync(context), userContext, _logger);
         }
 
         if (context.Updater.ModelState.IsValid)

src/OrchardCore.Modules/OrchardCore.Users/TimeZone/Handlers/UserEventHandler.cs

@@ -0,0 +1,35 @@
+using Microsoft.Extensions.Caching.Distributed;
+using OrchardCore.Users.Handlers;
+
+namespace OrchardCore.Users.TimeZone.Handlers;
+
+public class UserEventHandler : UserEventHandlerBase
+{
+    private const string CacheKey = "UserTimeZone/";
+
+    private readonly IDistributedCache _distributedCache;
+
+    public UserEventHandler(IDistributedCache distributedCache)
+    {
+        _distributedCache = distributedCache;
+    }
+
+    public override Task DeletedAsync(UserDeleteContext context)
+        => ForgetCacheAsync(context.User.UserName);
+
+    public override Task UpdatedAsync(UserUpdateContext context)
+        => ForgetCacheAsync(context.User.UserName);
+
+    public override Task DisabledAsync(UserContext context)
+        => ForgetCacheAsync(context.User.UserName);
+
+    private Task ForgetCacheAsync(string userName)
+    {
+        var key = GetCacheKey(userName);
+
+        return _distributedCache.RemoveAsync(key);
+    }
+
+    internal static string GetCacheKey(string userName)
+        => CacheKey + userName;
+}

src/OrchardCore.Modules/OrchardCore.Users/TimeZone/Services/UserTimeZoneService.cs

@@ -2,15 +2,14 @@
 using Microsoft.Extensions.Caching.Distributed;
 using OrchardCore.Entities;
 using OrchardCore.Modules;
-using OrchardCore.Users.Handlers;
 using OrchardCore.Users.Models;
+using OrchardCore.Users.TimeZone.Handlers;
 using OrchardCore.Users.TimeZone.Models;
 
 namespace OrchardCore.Users.TimeZone.Services;
 
-public class UserTimeZoneService : UserEventHandlerBase, IUserTimeZoneService
+public class UserTimeZoneService : IUserTimeZoneService
 {
-    private const string CacheKey = "UserTimeZone/";
     private const string EmptyTimeZone = "NoTimeZoneFound";
 
     private static readonly DistributedCacheEntryOptions _slidingExpiration = new()
@@ -47,7 +46,6 @@ public async ValueTask<ITimeZone> GetAsync(string userName)
         return _clock.GetTimeZone(currentTimeZoneId);
     }
 
-
     /// <inheritdoc/>
     public ValueTask<ITimeZone> GetAsync(IUser user)
         => GetAsync(user?.UserName);
@@ -59,7 +57,7 @@ public async ValueTask UpdateAsync(IUser user)
     /// <inheritdoc/>
     private async ValueTask<string> GetTimeZoneIdAsync(string userName)
     {
-        var key = GetCacheKey(userName);
+        var key = UserEventHandler.GetCacheKey(userName);
 
         var timeZoneId = await _distributedCache.GetStringAsync(key);
 
@@ -95,22 +93,10 @@ private async ValueTask<string> GetTimeZoneIdAsync(string userName)
         return timeZoneId;
     }
 
-    public override Task DeletedAsync(UserDeleteContext context)
-        => ForgetCacheAsync(context.User.UserName);
-
-    public override Task UpdatedAsync(UserUpdateContext context)
-        => ForgetCacheAsync(context.User.UserName);
-
-    public override Task DisabledAsync(UserContext context)
-        => ForgetCacheAsync(context.User.UserName);
-
     private Task ForgetCacheAsync(string userName)
     {
-        var key = GetCacheKey(userName);
+        var key = UserEventHandler.GetCacheKey(userName);
 
         return _distributedCache.RemoveAsync(key);
     }
-
-    private static string GetCacheKey(string userName)
-        => CacheKey + userName;
 }

src/OrchardCore.Modules/OrchardCore.Users/TimeZone/Startup.cs

@@ -4,6 +4,7 @@
 using OrchardCore.Users.Handlers;
 using OrchardCore.Users.Models;
 using OrchardCore.Users.TimeZone.Drivers;
+using OrchardCore.Users.TimeZone.Handlers;
 using OrchardCore.Users.TimeZone.Services;
 
 namespace OrchardCore.Users.TimeZone;
@@ -13,10 +14,9 @@ public sealed class Startup : StartupBase
 {
     public override void ConfigureServices(IServiceCollection services)
     {
+        services.AddScoped<IUserTimeZoneService, UserTimeZoneService>();
+        services.AddScoped<IUserEventHandler, UserEventHandler>();
         services.AddScoped<ITimeZoneSelector, UserTimeZoneSelector>();
-        services.AddScoped<UserTimeZoneService>();
-        services.AddScoped<IUserTimeZoneService>(sp => sp.GetRequiredService<UserTimeZoneService>());
-        services.AddScoped<IUserEventHandler>(sp => sp.GetRequiredService<UserTimeZoneService>());
         services.AddDisplayDriver<User, UserTimeZoneDisplayDriver>();
     }
 }