Rocket.Chat.ReactNative/app/lib/methods/subscriptions/room.ts

344 lines
10 KiB
TypeScript

import EJSON from 'ejson';
import { sanitizedRaw } from '@nozbe/watermelondb/RawRecord';
import { InteractionManager } from 'react-native';
import log from '../../../utils/log';
import protectedFunction from '../helpers/protectedFunction';
import buildMessage from '../helpers/buildMessage';
import database from '../../database';
import { getMessageById } from '../../database/services/Message';
import { getThreadById } from '../../database/services/Thread';
import { getThreadMessageById } from '../../database/services/ThreadMessage';
import { store as reduxStore } from '../../store/auxStore';
import { addUserTyping, clearUserTyping, removeUserTyping } from '../../../actions/usersTyping';
import debounce from '../../../utils/debounce';
import RocketChat from '../../rocketchat';
import { subscribeRoom, unsubscribeRoom } from '../../../actions/room';
import { Encryption } from '../../encryption';
import { IMessage, TMessageModel, TSubscriptionModel, TThreadMessageModel, TThreadModel } from '../../../definitions';
import { IDDPMessage } from '../../../definitions/IDDPMessage';
import sdk from '../../rocketchat/services/sdk';
const WINDOW_TIME = 1000;
export default class RoomSubscription {
private rid: string;
private isAlive: boolean;
private timer: null | number;
private queue: { [key: string]: IMessage };
private messagesBatch: {};
private _messagesBatch: { [key: string]: TMessageModel };
private threadsBatch: {};
private _threadsBatch: { [key: string]: TThreadModel };
private threadMessagesBatch: {};
private _threadMessagesBatch: { [key: string]: TThreadMessageModel };
private promises?: Promise<TSubscriptionModel[]>;
private connectedListener?: Promise<any>;
private disconnectedListener?: Promise<any>;
private notifyRoomListener?: Promise<any>;
private messageReceivedListener?: Promise<any>;
private lastOpen?: Date;
constructor(rid: string) {
this.rid = rid;
this.isAlive = true;
this.timer = null;
this.queue = {};
this.messagesBatch = {};
this.threadsBatch = {};
this.threadMessagesBatch = {};
this._messagesBatch = {};
this._threadsBatch = {};
this._threadMessagesBatch = {};
}
subscribe = async () => {
console.log(`[RCRN] Subscribing to room ${this.rid}`);
if (this.promises) {
await this.unsubscribe();
}
this.promises = sdk.subscribeRoom(this.rid);
this.connectedListener = sdk.onStreamData('connected', this.handleConnection);
this.disconnectedListener = sdk.onStreamData('close', this.handleConnection);
this.notifyRoomListener = sdk.onStreamData('stream-notify-room', this.handleNotifyRoomReceived);
this.messageReceivedListener = sdk.onStreamData('stream-room-messages', this.handleMessageReceived);
if (!this.isAlive) {
await this.unsubscribe();
}
reduxStore.dispatch(subscribeRoom(this.rid));
};
unsubscribe = async () => {
console.log(`[RCRN] Unsubscribing from room ${this.rid}`);
this.isAlive = false;
reduxStore.dispatch(unsubscribeRoom(this.rid));
if (this.promises) {
try {
const subscriptions = (await this.promises) || [];
subscriptions.forEach(sub => sub.unsubscribe().catch(() => console.log('unsubscribeRoom')));
} catch (e) {
// do nothing
}
}
reduxStore.dispatch(clearUserTyping());
this.removeListener(this.connectedListener);
this.removeListener(this.disconnectedListener);
this.removeListener(this.notifyRoomListener);
this.removeListener(this.messageReceivedListener);
if (this.timer) {
clearTimeout(this.timer);
}
};
removeListener = async (promise?: Promise<any>): Promise<void> => {
if (promise) {
try {
const listener = await promise;
listener.stop();
} catch (e) {
// do nothing
}
}
};
handleConnection = async () => {
try {
reduxStore.dispatch(clearUserTyping());
await RocketChat.loadMissedMessages({ rid: this.rid });
const _lastOpen = new Date();
this.read(_lastOpen);
this.lastOpen = _lastOpen;
} catch (e) {
log(e);
}
};
handleNotifyRoomReceived = protectedFunction((ddpMessage: IDDPMessage) => {
const [_rid, ev] = ddpMessage.fields.eventName.split('/');
if (this.rid !== _rid) {
return;
}
if (ev === 'typing') {
const { user } = reduxStore.getState().login;
const { UI_Use_Real_Name } = reduxStore.getState().settings;
const { rooms } = reduxStore.getState().room;
if (rooms[0] !== _rid) {
return;
}
const [name, typing] = ddpMessage.fields.args;
const key = UI_Use_Real_Name ? 'name' : 'username';
if (name !== user[key]) {
if (typing) {
reduxStore.dispatch(addUserTyping(name));
} else {
reduxStore.dispatch(removeUserTyping(name));
}
}
} else if (ev === 'deleteMessage') {
InteractionManager.runAfterInteractions(async () => {
if (ddpMessage && ddpMessage.fields && ddpMessage.fields.args.length > 0) {
try {
const { _id } = ddpMessage.fields.args[0];
const db = database.active;
const msgCollection = db.get('messages');
const threadsCollection = db.get('threads');
const threadMessagesCollection = db.get('thread_messages');
let deleteMessage: TMessageModel;
let deleteThread: TThreadModel;
let deleteThreadMessage: TThreadMessageModel;
// Delete message
try {
const m = await msgCollection.find(_id);
deleteMessage = m.prepareDestroyPermanently();
} catch (e) {
// Do nothing
}
// Delete thread
try {
const m = await threadsCollection.find(_id);
deleteThread = m.prepareDestroyPermanently();
} catch (e) {
// Do nothing
}
// Delete thread message
try {
const m = await threadMessagesCollection.find(_id);
deleteThreadMessage = m.prepareDestroyPermanently();
} catch (e) {
// Do nothing
}
await db.write(async () => {
await db.batch(deleteMessage, deleteThread, deleteThreadMessage);
});
} catch (e) {
log(e);
}
}
});
}
});
read = debounce((lastOpen: Date) => {
RocketChat.readMessages(this.rid, lastOpen);
}, 300);
updateMessage = (message: IMessage): Promise<void> =>
new Promise(async resolve => {
if (this.rid !== message.rid) {
return resolve();
}
const db = database.active;
const msgCollection = db.get('messages');
const threadsCollection = db.get('threads');
const threadMessagesCollection = db.get('thread_messages');
// Decrypt the message if necessary
message = await Encryption.decryptMessage(message);
// Create or update message
try {
let operation = null;
const messageRecord = await getMessageById(message._id);
if (messageRecord) {
operation = messageRecord.prepareUpdate(
protectedFunction((m: TMessageModel) => {
Object.assign(m, message);
})
);
} else {
operation = msgCollection.prepareCreate(
protectedFunction((m: TMessageModel) => {
m._raw = sanitizedRaw({ id: message._id }, msgCollection.schema);
if (m.subscription) m.subscription.id = this.rid;
Object.assign(m, message);
})
);
}
this._messagesBatch[message._id] = operation;
} catch (e) {
log(e);
}
// Create or update thread
if (message.tlm) {
try {
let operation = null;
const threadRecord = await getThreadById(message._id);
if (threadRecord) {
operation = threadRecord.prepareUpdate(
protectedFunction((t: TThreadModel) => {
Object.assign(t, message);
})
);
} else {
operation = threadsCollection.prepareCreate(
protectedFunction((t: TThreadModel) => {
t._raw = sanitizedRaw({ id: message._id }, threadsCollection.schema);
if (t.subscription) t.subscription.id = this.rid;
Object.assign(t, message);
})
);
}
this._threadsBatch[message._id] = operation;
} catch (e) {
log(e);
}
}
// Create or update thread message
if (message.tmid) {
try {
let operation = null;
const threadMessageRecord = await getThreadMessageById(message._id);
if (threadMessageRecord) {
operation = threadMessageRecord.prepareUpdate(
protectedFunction((tm: TThreadMessageModel) => {
Object.assign(tm, message);
if (message.tmid) {
tm.rid = message.tmid;
delete tm.tmid;
}
})
);
} else {
operation = threadMessagesCollection.prepareCreate(
protectedFunction((tm: TThreadMessageModel) => {
tm._raw = sanitizedRaw({ id: message._id }, threadMessagesCollection.schema);
Object.assign(tm, message);
if (tm.subscription) {
tm.subscription.id = this.rid;
}
if (message.tmid) {
tm.rid = message.tmid;
delete tm.tmid;
}
})
);
}
this._threadMessagesBatch[message._id] = operation;
} catch (e) {
log(e);
}
}
return resolve();
});
handleMessageReceived = (ddpMessage: IDDPMessage) => {
if (!this.timer) {
this.timer = setTimeout(async () => {
// copy variables values to local and clean them
const _lastOpen = this.lastOpen;
const _queue = Object.keys(this.queue).map(key => this.queue[key]);
this._messagesBatch = this.messagesBatch;
this._threadsBatch = this.threadsBatch;
this._threadMessagesBatch = this.threadMessagesBatch;
this.queue = {};
this.messagesBatch = {};
this.threadsBatch = {};
this.threadMessagesBatch = {};
this.timer = null;
for (let i = 0; i < _queue.length; i += 1) {
try {
// eslint-disable-next-line no-await-in-loop
await this.updateMessage(_queue[i]);
} catch (e) {
log(e);
}
}
try {
const db = database.active;
await db.write(async () => {
await db.batch(
...Object.values(this._messagesBatch),
...Object.values(this._threadsBatch),
...Object.values(this._threadMessagesBatch)
);
});
this.read(_lastOpen);
} catch (e) {
log(e);
}
// Clean local variables
this._messagesBatch = {};
this._threadsBatch = {};
this._threadMessagesBatch = {};
}, WINDOW_TIME);
}
this.lastOpen = new Date();
const message = buildMessage(EJSON.fromJSONValue(ddpMessage.fields.args[0])) as IMessage;
this.queue[message._id] = message;
};
}