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import { call, put, take, apply } from 'redux-saga/effects';
import { createSubscriptionChannel } from '../utils/websocket';
import { push } from 'react-router-redux';
import { normalize } from 'normalizr';
import { game as gameSchema } from '../schemas/games';
import { actions as gameActions, types } from '../redux/games';
import { actions as playerActions } from '../redux/players';
function getCurrentGameId() {
const path = window.location.pathname;
return path.split('lobby/')[1];
}
function* watchLobbyUpdates({ socket }) {
const currentGameId = getCurrentGameId();
const lobbyUpdatesChannel = yield call(createSubscriptionChannel, socket, `/topic/lobby/${currentGameId}/updated`);
try {
while (true) {
const lobby = yield take(lobbyUpdatesChannel);
const normalized = normalize(lobby, gameSchema);
yield put(gameActions.updateGames(normalized.entities.games));
yield put(playerActions.updatePlayers(normalized.entities.players));
}
} finally {
yield apply(lobbyUpdatesChannel, lobbyUpdatesChannel.close);
}
}
function* watchGameStart({ socket }) {
const currentGameId = getCurrentGameId();
const gameStartedChannel = yield call(createSubscriptionChannel, socket, `/topic/lobby/${currentGameId}/started`);
try {
yield take(gameStartedChannel);
yield put(gameActions.enterGame());
yield put(push('/game'));
} finally {
yield apply(gameStartedChannel, gameStartedChannel.close);
}
}
function* startGame({ socket }) {
while (true) {
yield take(types.REQUEST_START_GAME);
yield apply(socket, socket.send, ['/app/lobby/startGame', {}]);
}
}
function* lobbySaga(socketConnection) {
yield [
call(watchLobbyUpdates, socketConnection),
call(watchGameStart, socketConnection),
call(startGame, socketConnection),
];
}
export default lobbySaga;
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