public async Task DumpUser(int userId, DumpingDepth depth)
{
var user = await _vkWorker.GetPerson(userId);
_dbWorker.AddPerson(user);
await CollectPotentialFriendsRecursive(user, depth, new Dictionary <int, Person>());
}
public async Task DumpUser(int userId, DumpingDepth depth)
{
Person user = await _vkWorker.GetPerson(userId);
if (!_dbcache.CheckAddPersonId(userId))
{
_neo4JWorker.AddPerson(user);
}
await CollectPotentialFriendsRecursive(user, depth, new Dictionary <int, Person>());
}
private async Task DumpFollowersRecursive(Person user, DumpingDepth depth, Dictionary <int, Person> trace)
{
Logger.Out("Dumping followers for user: {0}", MessageType.Verbose, user.Url);
try
{
var followers = await _vkWorker.GetFollowers(user);
await AddPotentialFriendsRecursive(user, EnterType.Follower, followers, depth, trace);
}
catch (Exception ex)
{
Logger.Out("USER: {0} \r\n Message: {1}", MessageType.Error, user.Url, ex.Message);
}
}
private async Task CheckAndDumpPostsCommentsLikesRecursive(Person user, DumpingDepth depth, Dictionary <int, Person> trace)
{
try
{
if (!depth.Enter(EnterType.Post))
{
Logger.Out("Hit bottom on posts", MessageType.Verbose, user.Url);
return;
}
var posts = await _vkWorker.GetAllPosts(user.Id);
var postedPFriendsIds = posts.Select(a => a.FromId).Where(b => b != user.Id).Distinct().ToArray();
await AddPotentialFriendsRecursive(user, EnterType.Post, await _vkWorker.GetPeople(postedPFriendsIds), depth, trace);
depth.StepOut();
if (!depth.Enter(EnterType.Comments))
{
Logger.Out("Hit bottom on comments", MessageType.Verbose, user.Url);
return;
}
var comments = await _vkWorker.GetAllCommentsForPosts(user.Id, posts);
var commentedPFriendsIds = comments.Select(a => a.FromId).Where(b => b != user.Id).Distinct().ToArray();
await AddPotentialFriendsRecursive(user, EnterType.Comments, await _vkWorker.GetPeople(commentedPFriendsIds), depth, trace);
depth.StepOut();
if (!depth.Enter(EnterType.Likes))
{
Logger.Out("Hit bottom on likes", MessageType.Verbose, user.Url);
return;
}
var likes = await _vkWorker.GetAllPeopleLiked(user.Id, posts, comments);
var likedPFriendsIds = likes.Where(b => b != user.Id).Distinct().ToArray();
await AddPotentialFriendsRecursive(user, EnterType.Likes, await _vkWorker.GetPeople(likedPFriendsIds), depth, trace);
depth.StepOut();
}
catch (Exception ex)
{
Logger.Out("USER: {0} \r\n Message: {1}", MessageType.Error, user.Url, ex.Message);
}
}
private async Task CollectPotentialFriendsRecursive(Person user, DumpingDepth depth, Dictionary <int, Person> trace)
{
Logger.Out("Current user: {0}", MessageType.Verbose, user.Url);
Logger.Out("Trace level: {0}", MessageType.Verbose, trace.Count);
Logger.Out(depth.ToString(), MessageType.Debug);
if (trace.ContainsKey(user.Id))
{
Logger.Out("Hey! We've been here({0}).. ", MessageType.Debug, user.Url);
return;
}
//add to trace
trace.Add(user.Id, user);
//add all friends that are not in db
if (depth.Enter(EnterType.Friend))
{
await DumpFriendsRecursive(user, depth, trace);
depth.StepOut();
}
//add all followers that are not in db
if (depth.Enter(EnterType.Follower))
{
await DumpFollowersRecursive(user, depth, trace);
depth.StepOut();
}
//dump recursive posts->comments->likes
await CheckAndDumpPostsCommentsLikesRecursive(user, depth, trace);
//remove from trace
trace.Remove(user.Id);
}
private async Task AddPotentialFriendsRecursive(Person user, EnterType type, List <Person> potentialFriends, DumpingDepth depth, Dictionary <int, Person> trace)
{
foreach (var pFriend in potentialFriends)
{
_dbWorker.AddPotentialFriend(user, pFriend, type);
await CollectPotentialFriendsRecursive(pFriend, depth, trace);
}
}
private async Task AddPotentialFriendsRecursive(Person user, EnterType type, List <Person> potentialFriends, DumpingDepth depth, Dictionary <int, Person> trace)
{
foreach (var pFriend in potentialFriends)
{
if (!_dbcache.CheckAddPersonId(pFriend.Id))
{
_neo4JWorker.AddPerson(pFriend);
}
_neo4JWorker.AddRelation(user, pFriend, type);
await CollectPotentialFriendsRecursive(pFriend, depth, trace);
}
}