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[backend/core] Update user in background to avoid accessing a disposed DbContext

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Laura Hausmann 2024-02-17 18:50:04 +01:00
parent 19b004687d
commit b3d0c0f476
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GPG key ID: D044E84C5BE01605
3 changed files with 37 additions and 3 deletions
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2
Iceshrimp.Backend/Core/Extensions/ServiceExtensions.cs
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@ -22,7 +22,7 @@ public static class ServiceExtensions
public static void AddServices(this IServiceCollection services) public static void AddServices(this IServiceCollection services)
{ {
// Transient = instantiated per request and class // Transient = instantiated per request and class
//services.AddTransient<T>(); services.AddTransient<FollowupTaskService>();
// Scoped = instantiated per request // Scoped = instantiated per request
services services

16
Iceshrimp.Backend/Core/Federation/ActivityPub/UserResolver.cs
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@ -5,7 +5,12 @@ using Iceshrimp.Backend.Core.Services;
namespace Iceshrimp.Backend.Core.Federation.ActivityPub; namespace Iceshrimp.Backend.Core.Federation.ActivityPub;
public class UserResolver(ILogger<UserResolver> logger, UserService userSvc, WebFingerService webFingerSvc) public class UserResolver(
ILogger<UserResolver> logger,
UserService userSvc,
WebFingerService webFingerSvc,
FollowupTaskService followupTaskSvc
)
{ {
/* /*
* The full web finger algorithm: * The full web finger algorithm:
@ -110,7 +115,14 @@ public class UserResolver(ILogger<UserResolver> logger, UserService userSvc, Web
try try
{ {
return await userSvc.UpdateUserAsync(user).WaitAsync(TimeSpan.FromMilliseconds(1500)); var task = followupTaskSvc.ExecuteTask("UpdateUserAsync", async provider =>
{
var bgUserSvc = provider.GetRequiredService<UserService>();
await bgUserSvc.UpdateUserAsync(user);
});
// Return early, but continue execution in background
await task.WaitAsync(TimeSpan.FromMilliseconds(1500));
} }
catch (Exception e) catch (Exception e)
{ {

22
Iceshrimp.Backend/Core/Services/FollowupTaskService.cs Normal file
View file

@ -0,0 +1,22 @@
namespace Iceshrimp.Backend.Core.Services;
public class FollowupTaskService(IServiceScopeFactory serviceScopeFactory)
{
public Task ExecuteTask(string taskName, Func<IServiceProvider, Task> work)
{
return Task.Run(async () =>
{
using var scope = serviceScopeFactory.CreateScope();
try
{
var provider = scope.ServiceProvider;
await work(provider);
}
catch (Exception e)
{
var logger = scope.ServiceProvider.GetRequiredService<ILogger<FollowupTaskService>>();
logger.LogError("Failed to execute background task {name}: {error}", taskName, e.ToString());
}
});
}
}