feat: Initial project structure for WebTriviasMulti
- Backend: FastAPI + Python-SocketIO + SQLAlchemy - Models for categories, questions, game sessions, events - AI services for answer validation and question generation (Claude) - Room management with Redis - Game logic with stealing mechanics - Admin API for question management - Frontend: React + Vite + TypeScript + Tailwind - 5 visual themes (DRRR, Retro, Minimal, RGB, Anime 90s) - Real-time game with Socket.IO - Achievement system - Replay functionality - Sound effects per theme - Docker Compose for deployment - Design documentation Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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204
backend/app/services/game_manager.py
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204
backend/app/services/game_manager.py
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from typing import Optional
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from datetime import datetime, timedelta
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from app.services.room_manager import room_manager
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from app.services.ai_validator import ai_validator
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from app.config import get_settings
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settings = get_settings()
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class GameManager:
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async def start_game(self, room_code: str, board: dict) -> Optional[dict]:
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"""
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Start a game in a room.
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Args:
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room_code: The room code
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board: Dict of category_id -> list of questions
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Returns:
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Updated room state
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"""
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room = await room_manager.get_room(room_code)
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if not room:
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return None
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# Check minimum players
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if not room["teams"]["A"] or not room["teams"]["B"]:
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return None
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# Set up game state
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room["status"] = "playing"
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room["current_team"] = "A"
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room["current_player_index"] = {"A": 0, "B": 0}
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room["board"] = board
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room["scores"] = {"A": 0, "B": 0}
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await room_manager.update_room(room_code, room)
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return room
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async def select_question(
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self,
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room_code: str,
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question_id: int,
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category_id: int
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) -> Optional[dict]:
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"""Select a question from the board."""
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room = await room_manager.get_room(room_code)
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if not room or room["status"] != "playing":
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return None
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# Mark question as current
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room["current_question"] = question_id
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room["can_steal"] = False
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# Find and mark question on board
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if str(category_id) in room["board"]:
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for q in room["board"][str(category_id)]:
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if q["id"] == question_id:
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q["selected"] = True
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break
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await room_manager.update_room(room_code, room)
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return room
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async def submit_answer(
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self,
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room_code: str,
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question: dict,
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player_answer: str,
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is_steal: bool = False
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) -> dict:
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"""
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Submit an answer for validation.
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Returns:
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dict with validation result and updated game state
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"""
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room = await room_manager.get_room(room_code)
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if not room:
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return {"error": "Room not found"}
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# Validate answer with AI
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result = await ai_validator.validate_answer(
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question=question["question_text"],
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correct_answer=question["correct_answer"],
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alt_answers=question.get("alt_answers", []),
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player_answer=player_answer
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)
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is_correct = result.get("valid", False)
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points = question["points"]
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if is_correct:
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# Award points
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current_team = room["current_team"]
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room["scores"][current_team] += points
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# Mark question as answered
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category_id = str(question["category_id"])
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if category_id in room["board"]:
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for q in room["board"][category_id]:
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if q["id"] == question["id"]:
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q["answered"] = True
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break
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# Winner chooses next
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room["current_question"] = None
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room["can_steal"] = False
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# Advance player rotation
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team_players = room["teams"][current_team]
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room["current_player_index"][current_team] = (
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room["current_player_index"][current_team] + 1
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) % len(team_players)
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else:
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if is_steal:
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# Failed steal - penalize
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stealing_team = room["current_team"]
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penalty = int(points * settings.steal_penalty_multiplier)
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room["scores"][stealing_team] = max(
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0, room["scores"][stealing_team] - penalty
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)
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# Mark question as answered (nobody gets it)
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category_id = str(question["category_id"])
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if category_id in room["board"]:
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for q in room["board"][category_id]:
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if q["id"] == question["id"]:
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q["answered"] = True
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break
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# Original team chooses next
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room["current_team"] = "B" if stealing_team == "A" else "A"
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room["current_question"] = None
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room["can_steal"] = False
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else:
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# Original team failed - enable steal
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room["can_steal"] = True
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# Switch to other team for potential steal
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room["current_team"] = "B" if room["current_team"] == "A" else "A"
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# Check if game is over (all questions answered)
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all_answered = all(
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q["answered"]
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for questions in room["board"].values()
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for q in questions
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)
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if all_answered:
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room["status"] = "finished"
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await room_manager.update_room(room_code, room)
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return {
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"valid": is_correct,
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"reason": result.get("reason", ""),
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"points_earned": points if is_correct else 0,
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"room": room
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}
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async def pass_steal(self, room_code: str, question_id: int) -> Optional[dict]:
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"""Pass on stealing opportunity."""
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room = await room_manager.get_room(room_code)
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if not room:
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return None
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# Mark question as answered
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for category_id, questions in room["board"].items():
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for q in questions:
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if q["id"] == question_id:
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q["answered"] = True
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break
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# Switch back to original team for next selection
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room["current_team"] = "B" if room["current_team"] == "A" else "A"
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room["current_question"] = None
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room["can_steal"] = False
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await room_manager.update_room(room_code, room)
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return room
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async def get_current_player(self, room: dict) -> Optional[dict]:
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"""Get the current player who should answer."""
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team = room["current_team"]
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if not team:
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return None
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players = room["teams"][team]
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if not players:
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return None
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index = room["current_player_index"][team]
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return players[index % len(players)]
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def calculate_timer_end(self, time_seconds: int, is_steal: bool = False) -> datetime:
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"""Calculate when the timer should end."""
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if is_steal:
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time_seconds = int(time_seconds * settings.steal_time_multiplier)
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return datetime.utcnow() + timedelta(seconds=time_seconds)
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# Singleton instance
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game_manager = GameManager()
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