refactor(gameplay): move phase view model into cartridge

lobby/views.py

@@ -12,6 +12,7 @@ from fupogfakta.models import Category, GameSession, Guess, LieAnswer, Player, Q
 from fupogfakta.payloads import (
     build_leaderboard as _build_leaderboard,
     build_lie_started_payload as _build_lie_started_payload,
+    build_phase_view_model as _build_phase_view_model,
     build_reveal_payload as _build_reveal_payload,
     build_scoreboard_phase_event as _build_scoreboard_phase_event,
 )
@@ -82,51 +83,6 @@ def _maybe_promote_reveal_to_scoreboard(session: GameSession) -> GameSession:
 
 
 
-def _build_phase_view_model(session: GameSession, *, players_count: int, has_round_question: bool) -> dict:
-    status = session.status
-    in_lobby = status == GameSession.Status.LOBBY
-    in_lie = status == GameSession.Status.LIE
-    in_guess = status == GameSession.Status.GUESS
-    in_scoreboard = status == GameSession.Status.SCOREBOARD
-    in_finished = status == GameSession.Status.FINISHED
-
-    min_players_reached = players_count >= 3
-    max_players_allowed = players_count <= 5
-
-    return {
-        "status": status,
-        "current_phase": status,
-        "round_number": session.current_round,
-        "players_count": players_count,
-        "constraints": {
-            "min_players_to_start": 3,
-            "max_players_mvp": 5,
-            "min_players_reached": min_players_reached,
-            "max_players_allowed": max_players_allowed,
-        },
-        "readiness": {
-            "question_ready": has_round_question,
-            "scoreboard_ready": status in {GameSession.Status.REVEAL, GameSession.Status.SCOREBOARD, GameSession.Status.FINISHED},
-            "can_advance_to_next_round": in_scoreboard,
-        },
-        "host": {
-            "can_start_round": in_lobby and min_players_reached and max_players_allowed,
-            "can_show_question": False,
-            "can_mix_answers": False,
-            "can_calculate_scores": False,
-            "can_reveal_scoreboard": False,
-            "can_start_next_round": in_scoreboard,
-            "can_finish_game": in_scoreboard,
-        },
-        "player": {
-            "can_join": status in JOINABLE_STATUSES,
-            "can_submit_lie": in_lie and has_round_question,
-            "can_submit_guess": in_guess and has_round_question,
-            "can_view_final_result": in_finished,
-        },
-    }
-
-
 @require_POST
 @login_required
 def create_session(request: HttpRequest) -> JsonResponse: