feat: New endpoint for listing rooms & discussions from teams

.changeset/soft-mirrors-remember.md

@@ -0,0 +1,8 @@
+---
+"@rocket.chat/meteor": minor
+"@rocket.chat/core-services": minor
+"@rocket.chat/model-typings": minor
+"@rocket.chat/rest-typings": minor
+---
+
+New `teams.listChildren` endpoint that allows users listing rooms & discussions from teams. Only the discussions from the team's main room are returned.

apps/meteor/app/api/server/v1/teams.ts

@@ -11,6 +11,7 @@ import {
 	isTeamsDeleteProps,
 	isTeamsLeaveProps,
 	isTeamsUpdateProps,
+	isTeamsListChildrenProps,
 } from '@rocket.chat/rest-typings';
 import { escapeRegExp } from '@rocket.chat/string-helpers';
 import { Match, check } from 'meteor/check';
@@ -375,6 +376,44 @@ API.v1.addRoute(
 	},
 );
 
+const getTeamByIdOrNameOrParentRoom = async (
+	params: { teamId: string } | { teamName: string } | { roomId: string },
+): Promise<Pick<ITeam, 'type' | 'roomId' | '_id'> | null> => {
+	if ('teamId' in params && params.teamId) {
+		return Team.getOneById<ITeam>(params.teamId, { projection: { type: 1, roomId: 1 } });
+	}
+	if ('teamName' in params && params.teamName) {
+		return Team.getOneByName(params.teamName, { projection: { type: 1, roomId: 1 } });
+	}
+	if ('roomId' in params && params.roomId) {
+		return Team.getOneByRoomId(params.roomId, { projection: { type: 1, roomId: 1 } });
+	}
+	return null;
+};
+
+// This should accept a teamId, filter (search by name on rooms collection) and sort/pagination
+// should return a list of rooms/discussions from the team. the discussions will only be returned from the main room
+API.v1.addRoute(
+	'teams.listChildren',
+	{ authRequired: true, validateParams: isTeamsListChildrenProps },
+	{
+		async get() {
+			const { offset, count } = await getPaginationItems(this.queryParams);
+			const { sort } = await this.parseJsonQuery();
+			const { filter, type } = this.queryParams;
+
+			const team = await getTeamByIdOrNameOrParentRoom(this.queryParams);
+			if (!team) {
+				return API.v1.notFound();
+			}
+
+			const data = await Team.listChildren(this.userId, team, filter, type, sort, offset, count);
+
+			return API.v1.success({ ...data, offset, count });
+		},
+	},
+);
+
 API.v1.addRoute(
 	'teams.members',
 	{ authRequired: true },

apps/meteor/server/models/raw/Rooms.ts

@@ -2063,4 +2063,85 @@ export class RoomsRaw extends BaseRaw<IRoom> implements IRoomsModel {
 
 		return this.updateMany(query, update);
 	}
+
+	findChildrenOfTeam(
+		teamId: string,
+		teamRoomId: string,
+		userId: string,
+		filter?: string,
+		type?: 'channels' | 'discussions',
+		options?: FindOptions<IRoom>,
+	): AggregationCursor<{ totalCount: { count: number }[]; paginatedResults: IRoom[] }> {
+		const nameFilter = filter ? new RegExp(escapeRegExp(filter), 'i') : undefined;
+		return this.col.aggregate<{ totalCount: { count: number }[]; paginatedResults: IRoom[] }>([
+			{
+				$match: {
+					$and: [
+						{
+							$or: [
+								...(!type || type === 'channels' ? [{ teamId }] : []),
+								...(!type || type === 'discussions' ? [{ prid: teamRoomId }] : []),
+							],
+						},
+						...(nameFilter ? [{ $or: [{ fname: nameFilter }, { name: nameFilter }] }] : []),
+					],
+				},
+			},
+			{
+				$lookup: {
+					from: 'rocketchat_subscription',
+					let: {
+						roomId: '$_id',
+					},
+					pipeline: [
+						{
+							$match: {
+								$and: [
+									{
+										$expr: {
+											$eq: ['$rid', '$$roomId'],
+										},
+									},
+									{
+										$expr: {
+											$eq: ['$u._id', userId],
+										},
+									},
+									{
+										$expr: {
+											$ne: ['$t', 'c'],
+										},
+									},
+								],
+							},
+						},
+						{
+							$project: { _id: 1 },
+						},
+					],
+					as: 'subscription',
+				},
+			},
+			{
+				$match: {
+					$or: [
+						{ t: 'c' },
+						{
+							$expr: {
+								$ne: [{ $size: '$subscription' }, 0],
+							},
+						},
+					],
+				},
+			},
+			{ $project: { subscription: 0 } },
+			{ $sort: options?.sort || { ts: 1 } },
+			{
+				$facet: {
+					totalCount: [{ $count: 'count' }],
+					paginatedResults: [{ $skip: options?.skip || 0 }, { $limit: options?.limit || 50 }],
+				},
+			},
+		]);
+	}
 }

apps/meteor/server/services/team/service.ts

@@ -913,8 +913,8 @@ export class TeamService extends ServiceClassInternal implements ITeamService {
 		});
 	}
 
-	async getOneByRoomId(roomId: string): Promise<ITeam | null> {
-		const room = await Rooms.findOneById(roomId);
+	async getOneByRoomId(roomId: string, options?: FindOptions<ITeam>): Promise<ITeam | null> {
+		const room = await Rooms.findOneById(roomId, { projection: { teamId: 1 } });
 
 		if (!room) {
 			throw new Error('invalid-room');
@@ -924,7 +924,7 @@ export class TeamService extends ServiceClassInternal implements ITeamService {
 			throw new Error('room-not-on-team');
 		}
 
-		return Team.findOneById(room.teamId);
+		return Team.findOneById(room.teamId, options);
 	}
 
 	async addRolesToMember(teamId: string, userId: string, roles: Array<string>): Promise<boolean> {
@@ -1078,4 +1078,37 @@ export class TeamService extends ServiceClassInternal implements ITeamService {
 		const parentRoom = await this.getParentRoom(team);
 		return { team, ...(parentRoom && { parentRoom }) };
 	}
+
+	// Returns the list of rooms and discussions a user has access to inside a team
+	// Rooms returned are a composition of the rooms the user is in + public rooms + discussions from the main room (if any)
+	async listChildren(
+		userId: string,
+		team: AtLeast<ITeam, '_id' | 'roomId' | 'type'>,
+		filter?: string,
+		type?: 'channels' | 'discussions',
+		sort?: Record<string, 1 | -1>,
+		skip = 0,
+		limit = 10,
+	): Promise<{ total: number; data: IRoom[] }> {
+		const mainRoom = await Rooms.findOneById(team.roomId, { projection: { _id: 1 } });
+		if (!mainRoom) {
+			throw new Error('error-invalid-team-no-main-room');
+		}
+
+		const isMember = await TeamMember.findOneByUserIdAndTeamId(userId, team._id, {
+			projection: { _id: 1 },
+		});
+
+		if (!isMember) {
+			throw new Error('error-invalid-team-not-a-member');
+		}
+
+		const [{ totalCount: [{ count: total }] = [], paginatedResults: data = [] }] =
+			(await Rooms.findChildrenOfTeam(team._id, mainRoom._id, userId, filter, type, { skip, limit, sort }).toArray()) || [];
+
+		return {
+			total,
+			data,
+		};
+	}
 }

apps/meteor/tests/data/teams.helper.ts

@@ -2,11 +2,20 @@ import type { ITeam, TEAM_TYPE } from '@rocket.chat/core-typings';
 
 import { api, request } from './api-data';
 
-export const createTeam = async (credentials: Record<string, any>, teamName: string, type: TEAM_TYPE): Promise<ITeam> => {
-	const response = await request.post(api('teams.create')).set(credentials).send({
-		name: teamName,
-		type,
-	});
+export const createTeam = async (
+	credentials: Record<string, any>,
+	teamName: string,
+	type: TEAM_TYPE,
+	members?: string[],
+): Promise<ITeam> => {
+	const response = await request
+		.post(api('teams.create'))
+		.set(credentials)
+		.send({
+			name: teamName,
+			type,
+			...(members && { members }),
+		});
 
 	return response.body.team;
 };