blob: 0bfda84cd3a94c4c7cdab6404c9df820e901ed60 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
using Microsoft.AspNetCore.SignalR;
using Microsoft.Extensions.Logging;
using System;
using System.Threading.Tasks;
using Timeline.Auth;
using Timeline.Services;
using Timeline.Services.Timeline;
using Timeline.Services.User;
namespace Timeline.SignalRHub
{
public class TimelineHub : Hub<ITimelineClient>
{
private readonly ILogger<TimelineHub> _logger;
private readonly ITimelineService _timelineService;
public TimelineHub(ILogger<TimelineHub> logger, ITimelineService timelineService)
{
_logger = logger;
_timelineService = timelineService;
}
public static string GenerateTimelinePostChangeListeningGroupName(string timelineName)
{
return $"timeline-post-change-{timelineName}";
}
public async Task SubscribeTimelinePostChange(string timelineName)
{
try
{
var timelineId = await _timelineService.GetTimelineIdByNameAsync(timelineName);
var user = Context.User;
if (!user.HasPermission(UserPermission.AllTimelineManagement) && !await _timelineService.HasReadPermissionAsync(timelineId, user.GetOptionalUserId()))
throw new HubException(Resource.MessageForbidden);
var group = GenerateTimelinePostChangeListeningGroupName(timelineName);
await Groups.AddToGroupAsync(Context.ConnectionId, group);
_logger.LogInformation(Resource.LogSubscribeTimelinePostChange, Context.ConnectionId, group);
}
catch (ArgumentException)
{
throw new HubException(Resource.MessageTimelineNameInvalid);
}
catch (EntityNotExistException)
{
throw new HubException(Resource.MessageTimelineNotExist);
}
}
public async Task UnsubscribeTimelinePostChange(string timelineName)
{
var group = GenerateTimelinePostChangeListeningGroupName(timelineName);
await Groups.RemoveFromGroupAsync(Context.ConnectionId, group);
_logger.LogInformation(Resource.LogUnsubscribeTimelinePostChange, Context.ConnectionId, group);
}
}
}
|
