def room_password(room_id):
"""Show the password form. Authenticate the password for the room with id of room_id."""
# If no one is logged in, show the anon home page.
if not g.user:
return render_template("home-anon.html")
form = RoomForm()
# If conditional will return true when the form submits a response
if form.validate_on_submit():
room = Room.authenticate(id=room_id, password=form.password.data)
if room:
return redirect(f"/room/{room.id}")
flash("Invalid credentials.", 'danger')
return render_template("/room/password.html", form=form)
