vn-verdnaturachat/app/sagas/rooms.js

95 lines
3.3 KiB
JavaScript

import {
put, select, race, take, fork, cancel, delay
} from 'redux-saga/effects';
import { BACKGROUND, INACTIVE } from 'redux-enhancer-react-native-appstate';
import { Q } from '@nozbe/watermelondb';
import { sanitizedRaw } from '@nozbe/watermelondb/RawRecord';
import * as types from '../actions/actionsTypes';
import { roomsSuccess, roomsFailure } from '../actions/rooms';
import database from '../lib/database';
import log from '../utils/log';
import mergeSubscriptionsRooms from '../lib/methods/helpers/mergeSubscriptionsRooms';
import RocketChat from '../lib/rocketchat';
const updateRooms = function* updateRooms({ server, newRoomsUpdatedAt }) {
const serversDB = database.servers;
const serversCollection = serversDB.collections.get('servers');
const serverRecord = yield serversCollection.find(server);
return serversDB.action(async() => {
await serverRecord.update((record) => {
record.roomsUpdatedAt = newRoomsUpdatedAt;
});
});
};
const handleRoomsRequest = function* handleRoomsRequest() {
try {
const serversDB = database.servers;
yield RocketChat.subscribeRooms();
const newRoomsUpdatedAt = new Date();
const server = yield select(state => state.server.server);
const serversCollection = serversDB.collections.get('servers');
const serverRecord = yield serversCollection.find(server);
const { roomsUpdatedAt } = serverRecord;
const [subscriptionsResult, roomsResult] = yield RocketChat.getRooms(roomsUpdatedAt);
const { subscriptions } = mergeSubscriptionsRooms(subscriptionsResult, roomsResult);
const db = database.active;
const subCollection = db.collections.get('subscriptions');
if (subscriptions.length) {
const subsIds = subscriptions.map(sub => sub.rid);
const existingSubs = yield subCollection.query(Q.where('id', Q.oneOf(subsIds))).fetch();
const subsToUpdate = existingSubs.filter(i1 => subscriptions.find(i2 => i1._id === i2._id));
const subsToCreate = subscriptions.filter(i1 => !existingSubs.find(i2 => i1._id === i2._id));
// TODO: subsToDelete?
const allRecords = [
...subsToCreate.map(subscription => subCollection.prepareCreate((s) => {
s._raw = sanitizedRaw({ id: subscription.rid }, subCollection.schema);
return Object.assign(s, subscription);
})),
...subsToUpdate.map((subscription) => {
const newSub = subscriptions.find(s => s._id === subscription._id);
return subscription.prepareUpdate(() => {
Object.assign(subscription, newSub);
});
})
];
yield db.action(async() => {
await db.batch(...allRecords);
});
}
yield updateRooms({ server, newRoomsUpdatedAt });
yield put(roomsSuccess());
} catch (e) {
yield put(roomsFailure(e));
log(e);
}
};
const root = function* root() {
while (true) {
const params = yield take(types.ROOMS.REQUEST);
const isAuthenticated = yield select(state => state.login.isAuthenticated);
if (isAuthenticated) {
const roomsRequestTask = yield fork(handleRoomsRequest, params);
yield race({
roomsSuccess: take(types.ROOMS.SUCCESS),
roomsFailure: take(types.ROOMS.FAILURE),
serverReq: take(types.SERVER.SELECT_REQUEST),
background: take(BACKGROUND),
inactive: take(INACTIVE),
logout: take(types.LOGOUT),
timeout: delay(30000)
});
yield cancel(roomsRequestTask);
}
}
};
export default root;