Implement lobby view functionality

[dominictdavies]

We should use websockets for updating details with new lobby details.

Tasks:

• [ ] Connect a websocket to lobby view pages so that edits are updated for all users
• [ ] TBA

[justinarat]

TODO: (Might be better to do some of these in a different issue) routes.py:

• [x] Server-side rendering of lobby view.
• [ ] Redirect user to lobby searching page if they can't join the room (lobby full)
• [x] Figure out if username should be in the session cookie, or just use the user id from the session cookie to get the username from the database.
• [x] Also user_id should be added to the session cookie when the user logs in (should be in the issue for logging in).
• [x] Use Flask Login to identify user instead of storing user_id then querying the database for the username.

lobby-view.html and form_routes.py:

• [ ] Add "Join lobby?" message above join/don't join buttons
• [x] If user is not logged in, change join or leave button with "Need to login" message. (Done: user is sent to login page instead)

socketevents.py:

• [x] Update lobby changes to the database. (Done for user joining and leaving)
• [x] Finish is_lobby_host(user_id). (Done: quick fix for now, but should work)

socket-events.js:

• [ ] Update number of players when a player joins/leaves.
• [ ] Send and setup events for changing lobby settings.

socketevents.py and socket-events.js:

• [x] Figure out how kicking a player works.
• [ ] Implement time schedule changing.
• [x] Maybe print to log messages in flask and js console (Probs not doing this)

Database:

• [ ] Can keep the chat history in the database, will need to create a lobby chat table.

Other:

• Might not be able to implement ability for lobby host to edit all lobby settings, but I think changing lobby tags shouldn't be too hard.

[justinarat]

TODO:

• [x] Handle socket disconnection (urgent)
• [ ] Add server-side rendering for time schedule (urgent)
• [x] Update # of players, still need to add max player count to database (urgent) (Done but need to link get_max_player_count() to databse, will make new issue)
• [ ] Improve get_host() function in Lobby class model
• [ ] Store chat in database and render server-side
• [ ] tag editting
• [ ] lobby name editting
• [ ] lobby description editting
• [ ] player kicking