gprunet
119 lines
2.4 KiB
JavaScript
119 lines
2.4 KiB
JavaScript
import {query} from '../db.js';
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// Create the room with name as the only parameter
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// max_players, status and the other variables have their default values defined in db.js
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async function createRoom(name, userId)
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{
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const result = await query
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(
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`INSERT INTO game_rooms (name) VALUES ($1) RETURNING *`,
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[name]
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);
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const room = result.rows[0];
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await query
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(
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'INSERT INTO game_players (room_id, user_id) VALUES ($1, $2)',
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[room.id, userId]
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);
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return (room);
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}
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async function getRoomById(roomId)
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{
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const result = await query
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(
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'SELECT * FROM game_rooms WHERE id = $1',
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[roomId]
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);
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return (result.rows[0]);
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}
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// List all the waiting rooms and the player amount in each of them
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async function listActiveRooms()
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{
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const result = await query
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(
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`SELECT r.*, COUNT(p.id) as player_count
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FROM game_rooms r
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LEFT JOIN game_players p ON r.id = p.room_id
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WHERE r.status = 'waiting'
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GROUP BY r.id
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ORDER BY player_count DESC, r.created_at DESC`
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);
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return (result.rows);
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}
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async function joinRoom(roomId, userId)
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{
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const room = await getRoomById(roomId);
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if (!room)
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throw new Error('Room not found');
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const playerCount = await query
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(
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'SELECT COUNT(*) FROM game_players WHERE room_id = $1',
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[roomId]
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);
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if (parseInt(playerCount.rows[0].count) >= 8)
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throw new Error('Room is full');
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if (room.status !== 'waiting')
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throw new Error('Game already started or ended');
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const result = await query
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(
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'INSERT INTO game_players (room_id, user_id) VALUES ($1, $2) RETURNING *',
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[roomId, userId]
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);
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return (result.rows[0]);
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}
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async function leaveRoom(roomId, userId)
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{
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await query
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(
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'DELETE FROM game_players WHERE room_id = $1 AND user_id = $2',
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[roomId, userId]
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);
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const playerCount = await query
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(
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'SELECT COUNT(*) FROM game_players WHERE room_id = $1',
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[roomId]
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);
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if (parseInt(playerCount.rows[0].count) === 0)
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{
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await query
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(
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'DELETE FROM game_rooms WHERE id = $1',
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[roomId]
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);
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}
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}
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// List the players in the room and their scores
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// Useful for the scoreboard and also tell which player is currently drawing
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async function getRoomPlayers(roomId)
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{
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const result = await query
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(
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`SELECT gp.*, u.username
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FROM game_players gp
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JOIN users u ON gp.user_id = u.id
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WHERE gp.room_id = $1
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ORDER BY gp.score DESC`,
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[roomId]
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);
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return (result.rows);
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}
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export default
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{
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createRoom,
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getRoomById,
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listActiveRooms,
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joinRoom,
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leaveRoom,
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getRoomPlayers
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}; |