CHORE | Get users list to add to chat members

src/rest/app/chats/chats.module.ts

@@ -1,5 +1,5 @@
 import { DynamicModule, Module } from '@nestjs/common'
-import { ChatsModule, RealTimeModule } from 'src/domain'
+import { ChatsModule, RealTimeModule, UsersModule } from 'src/domain'
 import { JwtModule } from 'src/libs'
 import {
 	AppChatsController,
@@ -17,6 +17,7 @@ export class AppChatsModule {
 				JwtModule.forFeature(),
 				ChatsModule.forFeature(),
 				RealTimeModule.forFeature(),
+				UsersModule.forFeature(),
 			],
 			providers: [AppChatsService, AppChatsMessagesService, AppChatsMembersService],
 			controllers: [

src/rest/app/chats/controllers/app-chats.controller.ts

@@ -24,7 +24,13 @@ import { ChatDetailsDto, ChatsListDto } from 'src/core/dto'
 import { IPagination } from 'src/core/interfaces'
 import { AuthGuard } from 'src/domain/sessions/decorators'
 import { ApiImplictPagination, ReqPagination, ReqUser } from 'src/shared'
-import { SetChatMutedDto, StoreGroupChatDto, StorePersonalChatDto, UpdateChatDto } from '../dto'
+import {
+	PotentialMembersListDto,
+	SetChatMutedDto,
+	StoreGroupChatDto,
+	StorePersonalChatDto,
+	UpdateChatDto,
+} from '../dto'
 import { AppChatsService } from '../services'
 
 @ApiTags('App | Chats')
@@ -123,6 +129,23 @@ export class AppChatsController {
 
 	/*************************************************************************************** */
 
+	@ApiOperation({
+		summary: 'Отримання списку користувачів, що можуть стати учасниками групового чату',
+	})
+	@ApiOkResponse({
+		description: 'Повертає список імен користувачів',
+		isArray: true,
+		type: PotentialMembersListDto,
+	})
+	@ApiImplictPagination()
+	@AuthGuard()
+	@Get('users')
+	public async getUsersForChat(@ReqPagination() pagination: IPagination) {
+		return this.chatsService.getUsersForChat(pagination)
+	}
+
+	/*************************************************************************************** */
+
 	@ApiOperation({
 		summary: 'Отримання чату з учасниками',
 	})

src/rest/app/chats/dto/index.ts

@@ -11,3 +11,4 @@ export * from './unread-messages-count.dto'
 export * from './export-chat-messages.dto'
 export * from './delete-chat-member.dto'
 export * from './delete-message.dto'
+export * from './potential-chat-members.dto'

src/rest/app/chats/dto/potential-chat-members.dto.ts

@@ -0,0 +1,31 @@
+import { IsString } from 'class-validator'
+import { DtoProperty } from 'src/shared'
+
+export class PotentialMemberDto {
+	@DtoProperty()
+	@IsString()
+	userId: number
+
+	@DtoProperty()
+	@IsString()
+	firstName: string
+
+	@DtoProperty()
+	@IsString()
+	lastName: string
+
+	@DtoProperty()
+	@IsString()
+	avatarUrl: string
+}
+
+export class PotentialMembersListDto {
+	@DtoProperty({
+		isArray: true,
+		type: PotentialMemberDto,
+	})
+	items: PotentialMemberDto[]
+
+	@DtoProperty()
+	count: number
+}

src/rest/app/chats/services/app-chats.service.ts

@@ -1,6 +1,6 @@
 import { Inject, Injectable } from '@nestjs/common'
 import * as _ from 'lodash'
-import { Chats, FilesStorage, WebSockets } from 'src/core'
+import { Chats, FilesStorage, Users, WebSockets } from 'src/core'
 import {
 	CHATS_MEMBERS_SERVICE,
 	CHATS_MESSAGES_SERVICE,
@@ -8,23 +8,24 @@ import {
 	CHATS_SYSTEM_MESSAGES_SERVICE,
 	GET_CHATS_LIST_ACTION,
 	REAL_TIME_SERVICE,
+	USERS_SERVICE,
 } from 'src/core/consts'
 import { IPagination } from 'src/core/interfaces'
+import { transformFileUrl } from 'src/shared/transforms'
 import { SetChatMutedDto, StoreGroupChatDto, StorePersonalChatDto, UpdateChatDto } from '../dto'
 
 @Injectable()
 export class AppChatsService {
-	constructor(
-		@Inject(CHATS_SERVICE) private readonly chatsService: Chats.IChatsService,
-		@Inject(CHATS_MESSAGES_SERVICE)
-		private readonly chatsMessagesService: Chats.IChatsMessagesService,
-		@Inject(CHATS_SYSTEM_MESSAGES_SERVICE)
-		private readonly chatsSystemMessagesService: Chats.IChatsSystemMessagesService,
-		@Inject(CHATS_MEMBERS_SERVICE)
-		private readonly chatsMembersService: Chats.IChatsMembersService,
-		@Inject(REAL_TIME_SERVICE) private wsService: WebSockets.Service,
-		@Inject(GET_CHATS_LIST_ACTION) private getChatsListAction: Chats.IGetChatsListAction,
-	) {}
+	@Inject(CHATS_SERVICE) private readonly chatsService: Chats.IChatsService
+	@Inject(CHATS_MESSAGES_SERVICE)
+	private readonly chatsMessagesService: Chats.IChatsMessagesService
+	@Inject(CHATS_SYSTEM_MESSAGES_SERVICE)
+	private readonly chatsSystemMessagesService: Chats.IChatsSystemMessagesService
+	@Inject(CHATS_MEMBERS_SERVICE)
+	private readonly chatsMembersService: Chats.IChatsMembersService
+	@Inject(REAL_TIME_SERVICE) private wsService: WebSockets.Service
+	@Inject(GET_CHATS_LIST_ACTION) private getChatsListAction: Chats.IGetChatsListAction
+	@Inject(USERS_SERVICE) private readonly usersService: Users.IUsersService
 
 	public async storeGroupChat(
 		userId: number,
@@ -103,6 +104,24 @@ export class AppChatsService {
 		chatUsersIds.map(it => this.wsService.emitToUser(it, 'chat/delete-chat', { chatId }))
 	}
 
+	public async getUsersForChat(pagination: IPagination) {
+		const { items, count } = await this.usersService.getList(pagination, {})
+
+		const reducedUsers = items.map(user => {
+			const reducedUser = _.pick(user.info, ['userId', 'firstName', 'middleName', 'lastName'])
+
+			return {
+				...reducedUser,
+				avatarUrl: transformFileUrl(user.info.avatarUrl),
+			}
+		})
+
+		return {
+			items: reducedUsers,
+			count,
+		}
+	}
+
 	private async restoreMemberIfDeleted(userId: number, members: Chats.IChatMember[]) {
 		const member = _.find(members, member => member.userId === userId)
 		if (!member.isDeleted) return