Chore: Migrate methods/loadMessagesForRoom to Typescript (#3701)

* chore: change loadMessagesForRoom to typescript

* minor tweak

* chore: minor tweaks after merge with developer

* chore: minor tweaks after merge with developer

* chore: minor tweak

* chore: minor tweaks

* Fix return

Co-authored-by: Diego Mello <diegolmello@gmail.com>
Co-authored-by: Gleidson Daniel Silva <gleidson10daniel@hotmail.com>

app/definitions/IRoom.ts

@@ -37,6 +37,7 @@ export interface IRoom {
 	tags?: string[];
 	e2eKeyId?: string;
 	avatarETag?: string;
+	latest?: string;
 	default?: true;
 	featured?: true;
 }

app/lib/methods/loadMessagesForRoom.ts

@@ -5,32 +5,41 @@ import log from '../../utils/log';
 import { getMessageById } from '../database/services/Message';
 import { generateLoadMoreId } from '../utils';
 import updateMessages from './updateMessages';
+import { IMessage, TMessageModel } from '../../definitions';
+import sdk from '../rocketchat/services/sdk';
+import roomTypeToApiType, { RoomTypes } from '../rocketchat/methods/roomTypeToApiType';
 
 const COUNT = 50;
 
-async function load({ rid: roomId, latest, t }) {
-	let params = { roomId, count: COUNT };
+async function load({ rid: roomId, latest, t }: { rid: string; latest?: string; t: RoomTypes }) {
+	let params = { roomId, count: COUNT } as { roomId: string; count: number; latest?: string };
 	if (latest) {
 		params = { ...params, latest: new Date(latest).toISOString() };
 	}
 
-	const apiType = this.roomTypeToApiType(t);
+	const apiType = roomTypeToApiType(t);
 	if (!apiType) {
 		return [];
 	}
 
 	// RC 0.48.0
-	const data = await this.sdk.get(`${apiType}.history`, params);
+	// @ts-ignore
+	const data: any = await sdk.get(`${apiType}.history`, params);
 	if (!data || data.status === 'error') {
 		return [];
 	}
 	return data.messages;
 }
 
-export default function loadMessagesForRoom(args) {
+export default function loadMessagesForRoom(args: {
+	rid: string;
+	t: RoomTypes;
+	latest: string;
+	loaderItem: TMessageModel;
+}): Promise<IMessage[] | []> {
 	return new Promise(async (resolve, reject) => {
 		try {
-			const data = await load.call(this, args);
+			const data = await load(args);
 			if (data?.length) {
 				const lastMessage = data[data.length - 1];
 				const lastMessageRecord = await getMessageById(lastMessage._id);
@@ -46,9 +55,8 @@ export default function loadMessagesForRoom(args) {
 				}
 				await updateMessages({ rid: args.rid, update: data, loaderItem: args.loaderItem });
 				return resolve(data);
-			} else {
-				return resolve([]);
 			}
+			return resolve([]);
 		} catch (e) {
 			log(e);
 			reject(e);

app/lib/methods/updateMessages.ts

@@ -13,7 +13,7 @@ import { getSubscriptionByRoomId } from '../database/services/Subscription';
 interface IUpdateMessages {
 	rid: string;
 	update: IMessage[];
-	remove: IMessage[];
+	remove?: IMessage[];
 	loaderItem?: TMessageModel;
 }