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// @flow
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, gameList as gameListSchema } from '../schemas/games';
import { actions as gameActions, types } from '../redux/games';
import { actions as playerActions } from '../redux/players';
import type { SocketObjectType, SocketType } from '../utils/websocket';
function* watchGames({ socket }: { socket: SocketType }): * {
const gamesChannel = yield call(createSubscriptionChannel, socket, '/topic/games');
try {
while (true) {
const gameList = yield take(gamesChannel);
const normGameList = normalize(gameList, gameListSchema);
// for an empty game array, there is no players/games entity maps
yield put(playerActions.updatePlayers(normGameList.entities.players || {}));
yield put(gameActions.updateGames(normGameList.entities.games || {}));
}
} finally {
yield apply(gamesChannel, gamesChannel.close);
}
}
function* watchLobbyJoined({ socket }: { socket: SocketType }): * {
const joinedLobbyChannel = yield call(createSubscriptionChannel, socket, '/user/queue/lobby/joined');
try {
const joinedLobby = yield take(joinedLobbyChannel);
const normalized = normalize(joinedLobby, gameSchema);
const gameId = normalized.result;
yield put(playerActions.updatePlayers(normalized.entities.players));
yield put(gameActions.updateGames(normalized.entities.games));
yield put(gameActions.enterLobby(normalized.entities.games[gameId]));
yield put(push(`/lobby/${gameId}`));
} finally {
yield apply(joinedLobbyChannel, joinedLobbyChannel.close);
}
}
function* createGame({ socket }: { socket: SocketType }): * {
while (true) {
const { gameName } = yield take(types.REQUEST_CREATE_GAME);
yield apply(socket, socket.send, ['/app/lobby/create', JSON.stringify({ gameName }), {}]);
}
}
function* joinGame({ socket }: { socket: SocketType }): * {
while (true) {
const { gameId } = yield take(types.REQUEST_JOIN_GAME);
yield apply(socket, socket.send, ['/app/lobby/join', JSON.stringify({ gameId }), {}]);
}
}
function* gameBrowserSaga(socketConnection: SocketObjectType): * {
yield [
call(watchGames, socketConnection),
call(watchLobbyJoined, socketConnection),
call(createGame, socketConnection),
call(joinGame, socketConnection),
];
}
export default gameBrowserSaga;
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