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SocialPub/PrivaPub/Federation/Inbox/Handlers/DeleteHandler.cs
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using MongoDB.Entities;
using PrivaPub.Federation.Actors;
using PrivaPub.Federation.Objects;
using PrivaPub.Federation.Outbox;
using PrivaPub.Federation.Rendering;
using PrivaPub.Models.Federation;
using PrivaPub.Models.Group;
using PrivaPub.Models.Post;
using PrivaPub.Models.User;
using PrivaPub.StaticServices;
using System.Text.Json.Nodes;
using static PrivaPub.Federation.Inbox.ForeignMembers;
using static PrivaPub.Federation.Objects.ActivityJson;
using PostEntity = PrivaPub.Models.Post.Post;
namespace PrivaPub.Federation.Inbox.Handlers
{
public class DeleteHandler : IActivityHandler
{
readonly DbEntities _dbEntities;
readonly ILocalActorService _localActors;
readonly IRemoteActorService _remoteActors;
readonly IDeliveryService _delivery;
public DeleteHandler(DbEntities dbEntities, ILocalActorService localActors, IRemoteActorService remoteActors, IDeliveryService delivery)
{
_dbEntities = dbEntities;
_localActors = localActors;
_remoteActors = remoteActors;
_delivery = delivery;
}
public string Type => "Delete";
public async Task Handle(JsonNode activity, ForeignAvatar actor, CancellationToken token)
{
var delete = activity;
var objectUri = Id(delete["object"]);
if (!Origin.Same(objectUri, actor.ActorURI))
return;
if (objectUri == actor.ActorURI)
{
actor.DeletionAt = DateTime.UtcNow;
actor.AccountState = AvatarAccountState.Deleted;
await DB.Default.SaveAsync(actor, token);
var followers = await _dbEntities.Followers.Match(f => f.ActorURI == actor.ActorURI).ExecuteAsync(token);
foreach (var follower in followers)
{
await DB.Default.DeleteAsync<Follower>(follower.ID);
if (follower.LocalActorKind == LocalActorKind.Group)
await RemoveForeignMember(follower.LocalActorId, actor.ActorURI, token);
}
return;
}
await DB.Default.DeleteAsync<PostEntity>(p => p.ObjectURI == objectUri && p.ActorURI == actor.ActorURI);
return;
}
}
}