public override async Task OnConnectedAsync()
{
var userId = Guid.Parse(Context.User.Identity.Name ?? string.Empty);
var channelId = Context.User.FindFirst("ChannelId").Value;
var user = await _applicationDbContext.Users.SingleOrDefaultAsync(u => u.Id == userId);
user.Connections++;
var permission = _userPermissionRepository.GetPermission(userId);
if (permission == null)
{
permission = new UserPermission {
AllowControl = true
};
_userPermissionRepository.SetPermission(userId, permission);
}
var hostConnectionId = _hostConnectionRepository.GetConnection(channelId);
if (user.Connections == 1 && hostConnectionId != null)
{
await _hostHubContext.SendUserConnected(hostConnectionId,
new ChannelUserMsg { Id = user.Id, Name = user.Name, AllowControl = permission.AllowControl });
}
await _applicationDbContext.SaveChangesAsync();
await Groups.AddToGroupAsync(Context.ConnectionId, channelId);
}
public Task SetUserPermission(UserPermissionMsg userPermissionMsg)
{
_userPermissionRepository.SetPermission(userPermissionMsg.UserId,
new UserPermission {
AllowControl = userPermissionMsg.AllowControl
});
return(Task.CompletedTask);
}