/// <summary>
/// Synchronization deleting friend
/// </summary>
/// <param name="friendReceiveModel"></param>
public void SynchronizeDeletingFriend(FriendReceiveModel friendReceiveModel)
{
var onlineFriend = _connectedClients.FirstOrDefault(cc => cc.Id == friendReceiveModel.FriendId);
if (onlineFriend != null)
{
_logger.Info($"Sync deleting friend {onlineFriend.Id} by user {friendReceiveModel.UserId}");
Task.Run(() =>
{
var responseJson = _jsonStringSerializer.Serialize(new OperationResultInfo()
{
ErrorInfo = string.Empty,
OperationResult = OperationsResults.Successfully,
ToListener = ListenerType.FriendListDeleteListener,
JsonData = _jsonStringSerializer.Serialize(new UserListResponseModel()
{
UserId = friendReceiveModel.UserId
})
});
onlineFriend.SendMessage(_encoder.Encryption(responseJson));
//onlineFriend.SendMessage(responseJson);
});
}
}
/// <summary>
/// Synchronization users add to friends notifications
/// </summary>
public void SynchronizeAddFriendNotifications(FriendReceiveModel friendReceiveModel)
{
var notification = new NotificationReceiveModel()
{
FromUserId = friendReceiveModel.UserId,
ToUserId = friendReceiveModel.FriendId
};
if (_mainLogic.GetNotification(notification) == null)
{
_logger.Info($"Sync notification for user {friendReceiveModel.FriendId} from user {friendReceiveModel.UserId}");
notification.IsAccepted = false;
notification.Message = "Пользователь " +
$"{(_mainLogic.GetUser(new UserReceiveModel() { Id = notification.FromUserId }).JsonData as UserResponseModel).UserName}" +
" хочет добавить вас в друзья";
_mainLogic.AddNotification(notification);
var endClient = _connectedClients.FirstOrDefault(c => c.Id == notification.ToUserId);
if (endClient != null)
{
Task.Run(() =>
{
var notificationDb = _mainLogic.GetNotification(notification);
endClient.SendMessage(_encoder.Encryption(_jsonStringSerializer.Serialize(new OperationResultInfo()
{
ErrorInfo = string.Empty,
OperationResult = OperationsResults.Successfully,
ToListener = ListenerType.NotificationListListener,
JsonData = _jsonStringSerializer.Serialize(notificationDb)
})));
//endClient.SendMessage(_jsonStringSerializer.Serialize(new OperationResultInfo()
//{
// ErrorInfo = string.Empty,
// OperationResult = OperationsResults.Successfully,
// ToListener = ListenerType.NotificationListListener,
// JsonData = _jsonStringSerializer.Serialize(notificationDb)
//}));
});
}
}
}
/// <summary>
/// Deleting a friend from Friends database table
/// </summary>
/// <param name="model"><see cref="FriendReceiveModel"/></param>
public void Delete(FriendReceiveModel model)
{
using (var context = new DatabaseContext())
{
var friend = context.Friends.FirstOrDefault(f => f.UserId == model.UserId && f.FriendId == model.FriendId);
if (friend == null)
{
throw new Exception("Пользователь не найден у вас в друзьях");
}
//unbinding current user with his friend
context.Friends.RemoveRange(
friend,
context.Friends.FirstOrDefault(f => f.UserId == model.FriendId && f.FriendId == model.UserId)
);
context.SaveChanges();
}
}
public OperationResultInfo DeleteFriend(FriendReceiveModel model)
{
try
{
_friendLogic.Delete(model);
return(new OperationResultInfo()
{
ErrorInfo = string.Empty,
OperationResult = OperationsResults.Successfully,
ToListener = ListenerType.FriendListDeleteListener
});
}
catch (Exception ex)
{
return(new OperationResultInfo()
{
ErrorInfo = ex.Message,
OperationResult = OperationsResults.Unsuccessfully,
ToListener = ListenerType.FriendListDeleteListener
});
}
}
/// <summary>
/// Adding a new friend to Friends database table
/// </summary>
/// <param name="model"><see cref="FriendReceiveModel"/></param>
public void Create(FriendReceiveModel model)
{
using (var context = new DatabaseContext())
{
if (context.Friends.FirstOrDefault(f => f.UserId == model.UserId && f.FriendId == model.FriendId) != null)
{
throw new Exception("Данный пользователь уже находится у вас в друзьях");
}
context.Friends.AddRange(
new DbModels.Friend()
{
UserId = model.UserId,
FriendId = model.FriendId
},
new DbModels.Friend()
{
UserId = model.FriendId,
FriendId = model.UserId
});
context.SaveChanges();
}
}
