public void DeleteFriend(UserFriendRequest request, Result result)
{
try
{
_unitOfWork.FriendRepo.RemoveFriend(request.UserId, request.FriendId);
result.Status = Status.Success.ToString();
result.Message = string.Format("Successfully removed {0} and {1} as friends", request.FriendId, request.UserId);
}
catch (Exception ex)
{
result.Status = Status.Error.ToString();
result.Message = string.Format("Error deleting friends {0}. Reason :: {1}", request, ex.Message);
}
}
public void AddFriend(UserFriendRequest request, Result result)
{
try
{
_unitOfWork.FriendRepo.AddFriend(request.UserId, request.FriendId);
result.Status = Status.Success.ToString();
result.Message = string.Format("Successfully added {0} and {1} as friends", request.FriendId, request.UserId);
}
catch (Exception ex)
{
result.Status = Status.Error.ToString();
result.Message = string.Format("Error adding user {0} as friend of user {1}. Reason :: {2}", request.FriendId, request.UserId, ex.Message);
}
}
public IEnumerable<UsersConnectionResponse> GetShortestConnection(UserFriendRequest request, Result result)
{
try
{
var allPossiblePaths = _unitOfWork.FriendNetworkRepo.GetAllPaths(request.UserId, request.FriendId).ToList();
var allPaths = allPossiblePaths.Select(path => path as IList<UserResponse> ?? path.ToList()).Select(userResponses => new UsersConnectionResponse
{
Count = userResponses.Count(), Path = string.Join("->", userResponses.Select(each => each.UserName))
}).ToList();
result.Status = Status.Success.ToString();
return allPaths.OrderBy(each=>each.Count);
}
catch (Exception ex)
{
result.Status = Status.Error.ToString();
result.Message = string.Format("Error in getting the connection between {0} and {1}. Reason :: {2}", request.UserId, request.FriendId, ex.Message);
}
return null;
}
public Response<IEnumerable<UsersConnectionResponse>> Post(UserFriendRequest request)
{
return FriendFinderServiceBase.GetResponse(request, (req, result) => _friendsController.GetShortestConnection(request, result));
}
public Response Delete(int userId, int friendId)
{
var request = new UserFriendRequest { UserId = userId, FriendId = friendId };
return FriendFinderServiceBase.GetResponse(request, (req, result) => _friendsController.DeleteFriend(request, result));
}
