public async Task <RecommendedUsers> GetRecommendedUsers(GetRecommendedUsers user)
{
Logger.LogInformation($"{nameof(FriendsService)}.{nameof(GetRecommendedUsers)}.Start");
var vkFriends = await GetFriendsFromVk(user.UserId);
// var fbFriends = GetFriendsFromFb(user.UserId);
//await Task.WhenAll(vkFriends, fbFriends);
//vkFriends.AddRange();
var friendsFromNetwroks = vkFriends.Distinct();
var socialFriends =
await SocialDb.RecommendedPeople.GetRecommendedFromUsersId(friendsFromNetwroks);
// return new BadResponseResult("Something goes wrong with social friends.");
var partOffset = user.PageParams.Offset;
var partCount = user.PageParams.Count;
var followers = await SocialDb.RecommendedPeople.GetRecommendedFromFollowers(user.UserId, partOffset, partCount);
// return new BadResponseResult("Something goes wrong with followers.");
var followings = await SocialDb.RecommendedPeople.GetRecommendedFromFollowings(user.UserId, partOffset, partCount);
//return new BadResponseResult("Something goes wrong with follows as you ))) .");
//Parallel.ForEach(followers, x => { x.CommonFollowingsCount = (int)(x.CommonFollowingsCount * 1.5); });
var recommended = new List <(RecommendedType Type, RecommendedFollowingQuery list)>(followers.Count + followings.Count);
recommended.AddRange(followers.Select(x => (RecommendedType.Follower, x)));
recommended.AddRange(followings.Select(x => (RecommendedType.Following, x)));
recommended = recommended.OrderByDescending(x =>
{
if (x.Type == RecommendedType.Follower)
{
return(x.list.CommonFollowingsCount * 1.5);
}
return(x.list.CommonFollowingsCount);
}).Skip(user.PageParams.Offset).Take(user.PageParams.Count).ToList();
MakeFollowersAndFollowsTo(recommended, out var followersOut, out var followingsOut);
var result = new RecommendedUsers
{
SocialFriends = MakeSocialNetFriends(socialFriends, 100),
Followers = followersOut,
Followings = followingsOut
};
Logger.LogInformation($"{nameof(FriendsService)}.{nameof(GetRecommendedUsers)}.End");
return(result);
}
public async Task <IActionResult> GetRecommendedUsers([FromBody] GetRecommendedUsers user)
{
if (!ModelState.IsValid)
{
return(new BadResponseResult(ModelState));
}
var result = await _friendsService.GetRecommendedUsers(user);
return(new OkResponseResult(result));
}
