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// @flow
import { normalize } from 'normalizr';
import { push } from 'react-router-redux';
import type { SagaIterator } from 'redux-saga';
import { eventChannel } from 'redux-saga';
import { all, apply, call, put, take } from 'redux-saga/effects';
import type { SevenWondersSession } from '../api/sevenWondersApi';
import { actions as gameActions, types } from '../redux/games';
import { actions as playerActions } from '../redux/players';
import { game as gameSchema, gameList as gameListSchema } from '../schemas/games';
function* watchGames(session: SevenWondersSession): SagaIterator {
const gamesChannel = yield eventChannel(session.watchGames());
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(session: SevenWondersSession): SagaIterator {
const joinedLobbyChannel = yield eventChannel(session.watchLobbyJoined());
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(session: SevenWondersSession): SagaIterator {
while (true) {
const { gameName } = yield take(types.REQUEST_CREATE_GAME);
// $FlowFixMe
yield apply(session, session.createGame, [gameName]);
}
}
function* joinGame(session: SevenWondersSession): SagaIterator {
while (true) {
const { gameId } = yield take(types.REQUEST_JOIN_GAME);
// $FlowFixMe
yield apply(session, session.joinGame, [gameId]);
}
}
export function* gameBrowserSaga(session: SevenWondersSession): SagaIterator {
yield all([
call(watchGames, session),
call(watchLobbyJoined, session),
call(createGame, session),
call(joinGame, session),
]);
}
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