47 lines
1.3 KiB
C#
47 lines
1.3 KiB
C#
 
|
using MongoDB.Driver;
|
||
|
|
using MongoDB.Entities;
|
||
|
|
|
||
|
|
using PrivaPub.Models.Social;
|
||
|
|
using PrivaPub.Models.User;
|
||
|
|
using PrivaPub.StaticServices;
|
||
|
|
|
||
|
|
using System.Text.Json.Nodes;
|
||
|
|
|
||
|
|
using static PrivaPub.Federation.Objects.ActivityJson;
|
||
|
|
|
||
|
|
using PostEntity = PrivaPub.Models.Post.Post;
|
||
|
|
|
||
|
|
namespace PrivaPub.Federation.Inbox.Handlers
|
||
|
|
{
|
||
|
|
public class DislikeHandler : IActivityHandler
|
||
|
|
{
|
||
|
|
readonly DbEntities _dbEntities;
|
||
|
|
|
||
|
|
public DislikeHandler(DbEntities dbEntities)
|
||
|
|
{
|
||
|
|
_dbEntities = dbEntities;
|
||
|
|
}
|
||
|
|
|
||
|
|
public string Type => "Dislike";
|
||
|
|
|
||
|
|
public async Task Handle(JsonNode activity, ForeignAvatar actor, CancellationToken token)
|
||
|
|
{
|
||
|
|
var objectUri = Id(activity["object"]);
|
||
|
|
var post = objectUri == default
|
||
|
|
? default
|
||
|
|
: await _dbEntities.Posts.Match(p => p.ObjectURI == objectUri && !p.DeletedAt.HasValue && p.ReblogOfPostId == null).ExecuteFirstAsync(token);
|
||
|
|
if (post == default || !LikeHandler.MaySee(post, actor))
|
||
|
|
return;
|
||
|
|
|
||
|
|
try
|
||
|
|
{
|
||
|
|
await DB.Default.SaveAsync(new Downvote { AccountId = actor.ID, ActorURI = actor.ActorURI, PostId = post.ID, ActivityURI = Id(activity) }, token);
|
||
|
|
}
|
||
|
|
catch (MongoWriteException ex) when (ex.WriteError?.Category == ServerErrorCategory.DuplicateKey)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
await DB.Default.Update<PostEntity>().MatchID(post.ID).Modify(b => b.Inc(p => p.DownvotesCount, 1)).ExecuteAsync(token);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|