Final Common Core Project at 1337 "No more C! No more C++! This project is about doing something you’ve never done before. Remind yourself the beginning of your journey in computer science. Look at you now. Time to shine!" : 42
When the user A is friend with the user B and user C, and user A blocked user B, user C get affected also (user A and B are being removed from friendsID list of user C)
if you sent a game invitation to a friend and before he interacts with the invitation you refreshed your page aka your socket disconnects and he just accepted the invitation he enters /play and start playing the game alone. :(
-- prevent him from entering the game