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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;
}
[Obsolete("Use overload with owner.")]
public static string GenerateTimelinePostChangeListeningGroupName(string timelineName)
{
return $"timeline-post-change-{timelineName}";
}
public static string GenerateTimelinePostChangeListeningGroupName(string owner, string timeline)
{
return $"v2-timeline-post-change-{owner}/{timeline}";
}
[Obsolete("Use v2.")]
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 SubscribeTimelinePostChangeV2(string owner, string timeline)
{
try
{
var timelineId = await _timelineService.GetTimelineIdAsync(owner, timeline);
var user = Context.User;
if (!user.HasPermission(UserPermission.AllTimelineManagement) && !await _timelineService.HasReadPermissionAsync(timelineId, user.GetOptionalUserId()))
throw new HubException(Resource.MessageForbidden);
var group = GenerateTimelinePostChangeListeningGroupName(owner, timeline);
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);
}
}
[Obsolete("Use v2.")]
public async Task UnsubscribeTimelinePostChange(string timelineName)
{
var group = GenerateTimelinePostChangeListeningGroupName(timelineName);
await Groups.RemoveFromGroupAsync(Context.ConnectionId, group);
_logger.LogInformation(Resource.LogUnsubscribeTimelinePostChange, Context.ConnectionId, group);
}
public async Task UnsubscribeTimelinePostChangeV2(string owner, string timeline)
{
var group = GenerateTimelinePostChangeListeningGroupName(owner, timeline);
await Groups.RemoveFromGroupAsync(Context.ConnectionId, group);
_logger.LogInformation(Resource.LogUnsubscribeTimelinePostChange, Context.ConnectionId, group);
}
}
}
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