1.3.0

Добавлена совместимость с Firebase Cloud Messaging.

Сервис и контроллер модуля schedule-replacer были перенесены в модуль schedule.

src/app.module.ts

@@ -3,7 +3,7 @@ import { AuthModule } from "./auth/auth.module";
 import { UsersModule } from "./users/users.module";
 import { ScheduleModule } from "./schedule/schedule.module";
 import { CacheModule } from "@nestjs/cache-manager";
-import { ScheduleReplacerModule } from "./schedule-replacer/schedule-replacer.module";
+import { FirebaseAdminModule } from "./firebase-admin/firebase-admin.module";
 
 @Module({
 	imports: [
@@ -11,7 +11,7 @@ import { ScheduleReplacerModule } from "./schedule-replacer/schedule-replacer.mo
 		UsersModule,
 		ScheduleModule,
 		CacheModule.register({ ttl: 5 * 60 * 1000, isGlobal: true }),
-		ScheduleReplacerModule,
+		FirebaseAdminModule,
 	],
 	controllers: [],
 	providers: [],

src/auth/auth.controller.ts

@@ -34,8 +34,8 @@ import { UserToken } from "./auth.decorator";
 @Controller("api/v1/auth")
 export class AuthController {
 	constructor(
-		private readonly scheduleService: ScheduleService,
 		private readonly authService: AuthService,
+		private readonly scheduleService: ScheduleService,
 	) {}
 
 	@ApiExtraModels(SignInReqDto)

src/auth/auth.module.ts

@@ -1,4 +1,4 @@
-import { Module } from "@nestjs/common";
+import { forwardRef, Module } from "@nestjs/common";
 import { JwtModule } from "@nestjs/jwt";
 import { jwtConstants } from "../contants";
 import { AuthService } from "./auth.service";
@@ -9,8 +9,8 @@ import { ScheduleModule } from "../schedule/schedule.module";
 
 @Module({
 	imports: [
-		UsersModule,
-		ScheduleModule,
+		forwardRef(() => UsersModule),
+		forwardRef(() => ScheduleModule),
 		JwtModule.register({
 			global: true,
 			secret: jwtConstants.secret,

src/contants.ts

@@ -14,3 +14,7 @@ export const httpsConstants = {
 export const apiConstants = {
 	port: process.env.API_PORT ?? 5050,
 };
+
+export const firebaseConstants = {
+	serviceAccountPath: process.env.FIREBASE_ACCOUNT_PATH!,
+};

src/dto/user.dto.ts

@@ -1,13 +1,17 @@
 import { ApiProperty, OmitType, PickType } from "@nestjs/swagger";
 import {
+	IsArray,
 	IsEnum,
 	IsJWT,
 	IsMongoId,
+	IsObject,
+	IsOptional,
 	IsString,
 	MaxLength,
 	MinLength,
+	ValidateNested,
 } from "class-validator";
-import { Expose, plainToClass } from "class-transformer";
+import { Expose, plainToClass, Type } from "class-transformer";
 
 export enum UserRoleDto {
 	STUDENT = "STUDENT",
@@ -15,6 +19,25 @@ export enum UserRoleDto {
 	ADMIN = "ADMIN",
 }
 
+export class UserFcmDto {
+	@ApiProperty({
+		description: "Токен Firebase Cloud Messaging",
+	})
+	@IsString()
+	@Expose()
+	token: string;
+
+	@ApiProperty({
+		example: ["schedule-update"],
+		description: "Топики на которые подписан пользователь",
+	})
+	@IsArray()
+	@ValidateNested({ each: true })
+	@IsString()
+	@Expose()
+	topics: Array<string>;
+}
+
 export class UserDto {
 	@ApiProperty({
 		example: "66e1b7e255c5d5f1268cce90",
@@ -67,12 +90,20 @@ export class UserDto {
 	@IsEnum(UserRoleDto)
 	@Expose()
 	role: UserRoleDto;
+
+	@ApiProperty({ description: "Данные Firebase Cloud Messaging" })
+	@IsObject()
+	@Type(() => UserFcmDto)
+	@IsOptional()
+	@Expose()
+	fcm: UserFcmDto | null;
 }
 
 export class ClientUserResDto extends OmitType(UserDto, [
 	"password",
 	"salt",
 	"accessToken",
+	"fcm",
 ]) {
 	static fromUserDto(userDto: UserDto): ClientUserResDto {
 		return plainToClass(ClientUserResDto, userDto, {

src/firebase-admin/firebase-admin.controller.spec.ts

@@ -0,0 +1,20 @@
+import { Test, TestingModule } from "@nestjs/testing";
+import { FirebaseAdminController } from "./firebase-admin.controller";
+
+describe("FirebaseAdminController", () => {
+	let controller: FirebaseAdminController;
+
+	beforeEach(async () => {
+		const module: TestingModule = await Test.createTestingModule({
+			controllers: [FirebaseAdminController],
+		}).compile();
+
+		controller = module.get<FirebaseAdminController>(
+			FirebaseAdminController,
+		);
+	});
+
+	it("should be defined", () => {
+		expect(controller).toBeDefined();
+	});
+});

src/firebase-admin/firebase-admin.controller.ts

@@ -0,0 +1,41 @@
+import {
+	Controller,
+	HttpCode,
+	HttpStatus,
+	Param,
+	Post,
+	UseGuards,
+} from "@nestjs/common";
+import { AuthGuard } from "../auth/auth.guard";
+import { UserToken } from "../auth/auth.decorator";
+import { UserFromTokenPipe } from "../auth/auth.pipe";
+import { UserDto } from "../dto/user.dto";
+import { ResultDto } from "../utility/validation/class-validator.interceptor";
+import { FirebaseAdminService } from "./firebase-admin.service";
+
+@Controller("api/v1/fcm")
+@UseGuards(AuthGuard)
+export class FirebaseAdminController {
+	private readonly defaultTopics = new Set(["schedule-update"]);
+
+	constructor(private readonly firebaseAdminService: FirebaseAdminService) {}
+
+	@Post("set-token/:token")
+	@HttpCode(HttpStatus.OK)
+	@ResultDto(null)
+	async setToken(
+		@Param("token") token: string,
+		@UserToken(UserFromTokenPipe) user: UserDto,
+	): Promise<void> {
+		if (user.fcm?.token === token) return;
+
+		const updatedUser = (
+			await this.firebaseAdminService.updateToken(user, token)
+		).userDto;
+
+		await this.firebaseAdminService.subscribe(
+			updatedUser,
+			this.defaultTopics,
+		);
+	}
+}

src/firebase-admin/firebase-admin.module.ts

@@ -0,0 +1,12 @@
+import { forwardRef, Module } from "@nestjs/common";
+import { FirebaseAdminService } from "./firebase-admin.service";
+import { UsersModule } from "../users/users.module";
+import { FirebaseAdminController } from "./firebase-admin.controller";
+
+@Module({
+	imports: [forwardRef(() => UsersModule)],
+	providers: [FirebaseAdminService],
+	exports: [FirebaseAdminService],
+	controllers: [FirebaseAdminController],
+})
+export class FirebaseAdminModule {}

src/firebase-admin/firebase-admin.service.spec.ts

@@ -0,0 +1,18 @@
+import { Test, TestingModule } from "@nestjs/testing";
+import { FirebaseAdminService } from "./firebase-admin.service";
+
+describe("FirebaseAdminService", () => {
+	let service: FirebaseAdminService;
+
+	beforeEach(async () => {
+		const module: TestingModule = await Test.createTestingModule({
+			providers: [FirebaseAdminService],
+		}).compile();
+
+		service = module.get<FirebaseAdminService>(FirebaseAdminService);
+	});
+
+	it("should be defined", () => {
+		expect(service).toBeDefined();
+	});
+});

src/firebase-admin/firebase-admin.service.ts

@@ -0,0 +1,99 @@
+import { forwardRef, Inject, Injectable, OnModuleInit } from "@nestjs/common";
+
+import { initializeApp, App } from "firebase-admin/app";
+import { credential } from "firebase-admin";
+import {
+	BaseMessage,
+	getMessaging,
+	Messaging,
+	TopicMessage,
+} from "firebase-admin/messaging";
+
+import { firebaseConstants } from "../contants";
+import { UsersService } from "../users/users.service";
+import { UserDto } from "../dto/user.dto";
+
+@Injectable()
+export class FirebaseAdminService implements OnModuleInit {
+	constructor(
+		@Inject(forwardRef(() => UsersService))
+		private readonly usersService: UsersService,
+	) {}
+
+	private app: App;
+	private messaging: Messaging;
+
+	onModuleInit() {
+		this.app = initializeApp({
+			credential: credential.cert(firebaseConstants.serviceAccountPath),
+		});
+		this.messaging = getMessaging(this.app);
+	}
+
+	async sendByTopic(topic: string, message: BaseMessage): Promise<void> {
+		const topicMessage = message as TopicMessage;
+		topicMessage.topic = topic;
+
+		await this.messaging.send(topicMessage);
+	}
+
+	async updateToken(
+		user: UserDto,
+		token: string,
+	): Promise<{ userDto: UserDto; isNew: boolean }> {
+		const isNew = user.fcm === null;
+
+		const fcm = !isNew ? user.fcm : { token: token, topics: [] };
+		if (!isNew) {
+			if (fcm.token === token) return { userDto: user, isNew: false };
+
+			for (const topic in fcm.topics)
+				await this.messaging.subscribeToTopic(token, topic);
+			fcm.token = token;
+		}
+
+		return {
+			userDto: await this.usersService.update({
+				where: { id: user.id },
+				data: { fcm: fcm },
+			}),
+			isNew: isNew,
+		};
+	}
+
+	async unsubscribe(user: UserDto, topics: Set<string>): Promise<UserDto> {
+		const fcm = user.fcm;
+		const currentTopics = new Set(fcm.topics);
+
+		for (const topic of topics) {
+			await this.messaging.unsubscribeFromTopic(fcm.token, topic);
+			currentTopics.delete(topic);
+		}
+		if (currentTopics.size === fcm.topics.length) return user;
+
+		fcm.topics = Array.from(currentTopics);
+
+		return await this.usersService.update({
+			where: { id: user.id },
+			data: { fcm: fcm },
+		});
+	}
+
+	async subscribe(user: UserDto, topics: Set<string>): Promise<UserDto> {
+		const fcm = user.fcm;
+		const currentTopics = new Set(fcm.topics);
+
+		for (const topic of topics) {
+			await this.messaging.subscribeToTopic(fcm.token, topic);
+			currentTopics.add(topic);
+		}
+		if (currentTopics.size === fcm.topics.length) return user;
+
+		fcm.topics = Array.from(currentTopics);
+
+		return await this.usersService.update({
+			where: { id: user.id },
+			data: { fcm: fcm },
+		});
+	}
+}

src/schedule-replacer/schedule-replacer.module.ts

@@ -1,15 +0,0 @@
-import { Module } from "@nestjs/common";
-import { ScheduleReplacerService } from "./schedule-replacer.service";
-import { PrismaService } from "../prisma/prisma.service";
-import { ScheduleReplacerController } from "./schedule-replacer.controller";
-import { ScheduleModule } from "../schedule/schedule.module";
-import { AuthService } from "../auth/auth.service";
-import { UsersModule } from "../users/users.module";
-
-@Module({
-	imports: [ScheduleModule, UsersModule],
-	providers: [AuthService, PrismaService, ScheduleReplacerService],
-	exports: [ScheduleReplacerService],
-	controllers: [ScheduleReplacerController],
-})
-export class ScheduleReplacerModule {}

src/schedule/internal/schedule-parser/schedule-parser.ts

@@ -149,14 +149,8 @@ export class ScheduleParser {
 			!downloadData.new &&
 			this.lastResult &&
 			this.xlsDownloader.getCacheMode() !== XlsDownloaderCacheMode.NONE
-		) {
-			console.debug(
-				"Так как скачанный XLS не новый, присутствует уже готовый результат и кеширование не отключено...",
-			);
-			console.debug("будет возвращён предыдущий результат.");
-
+		)
 			return this.lastResult;
-		}
 
 		const workBook = XLSX.read(downloadData.fileData);
 		const workSheet = workBook.Sheets[workBook.SheetNames[0]];

src/schedule/internal/xls-downloader/basic-xls-downloader.ts

@@ -9,7 +9,7 @@ import {
 	NotAcceptableException,
 	ServiceUnavailableException,
 } from "@nestjs/common";
-import { ScheduleReplacerService } from "../../../schedule-replacer/schedule-replacer.service";
+import { ScheduleReplacerService } from "../../schedule-replacer.service";
 import { Error } from "mongoose";
 import * as crypto from "crypto";
 

src/schedule/schedule-replacer.controller.ts

@@ -17,7 +17,7 @@ import {
 import { AuthRoles } from "../auth-role/auth-role.decorator";
 import { UserRoleDto } from "../dto/user.dto";
 import { ScheduleReplacerService } from "./schedule-replacer.service";
-import { ScheduleService } from "../schedule/schedule.service";
+import { ScheduleService } from "./schedule.service";
 import { FileInterceptor } from "@nestjs/platform-express";
 import {
 	ApiExtraModels,

src/schedule/schedule-replacer.service.ts

@@ -7,6 +7,14 @@ import { plainToClass } from "class-transformer";
 export class ScheduleReplacerService {
 	constructor(private readonly prismaService: PrismaService) {}
 
+	async hasByEtag(etag: string): Promise<boolean> {
+		return (
+			(await this.prismaService.scheduleReplace.count({
+				where: { etag: etag },
+			})) > 0
+		);
+	}
+
 	async getByEtag(etag: string): Promise<ScheduleReplacerDto | null> {
 		const response = await this.prismaService.scheduleReplace.findUnique({
 			where: { etag: etag },

src/schedule/schedule.module.ts

@@ -1,18 +1,16 @@
-import { Module } from "@nestjs/common";
+import { forwardRef, Module } from "@nestjs/common";
 import { ScheduleService } from "./schedule.service";
 import { ScheduleController } from "./schedule.controller";
-import { UsersService } from "../users/users.service";
 import { PrismaService } from "../prisma/prisma.service";
-import { ScheduleReplacerService } from "../schedule-replacer/schedule-replacer.service";
+import { FirebaseAdminModule } from "../firebase-admin/firebase-admin.module";
+import { UsersModule } from "src/users/users.module";
+import { ScheduleReplacerService } from "./schedule-replacer.service";
+import { ScheduleReplacerController } from "./schedule-replacer.controller";
 
 @Module({
-	providers: [
-		ScheduleService,
-		ScheduleReplacerService,
-		UsersService,
-		PrismaService,
-	],
-	controllers: [ScheduleController],
+	imports: [forwardRef(() => UsersModule), FirebaseAdminModule],
+	providers: [PrismaService, ScheduleService, ScheduleReplacerService],
+	controllers: [ScheduleController, ScheduleReplacerController],
 	exports: [ScheduleService],
 })
 export class ScheduleModule {}

src/schedule/schedule.service.ts

@@ -1,4 +1,8 @@
-import { Inject, Injectable, NotFoundException } from "@nestjs/common";
+import {
+	Inject,
+	Injectable,
+	NotFoundException,
+} from "@nestjs/common";
 import {
 	ScheduleParser,
 	ScheduleParseResult,
@@ -17,7 +21,8 @@ import { Cache, CACHE_MANAGER } from "@nestjs/cache-manager";
 import { instanceToPlain } from "class-transformer";
 import { cacheGetOrFill } from "../utility/cache.util";
 import * as crypto from "crypto";
-import { ScheduleReplacerService } from "../schedule-replacer/schedule-replacer.service";
+import { ScheduleReplacerService } from "./schedule-replacer.service";
+import { FirebaseAdminService } from "../firebase-admin/firebase-admin.service";
 
 @Injectable()
 export class ScheduleService {
@@ -37,6 +42,7 @@ export class ScheduleService {
 	constructor(
 		@Inject(CACHE_MANAGER) private readonly cacheManager: Cache,
 		private readonly scheduleReplacerService: ScheduleReplacerService,
+		private readonly firebaseAdminService: FirebaseAdminService,
 	) {
 		const xlsDownloader = this.scheduleParser.getXlsDownloader();
 
@@ -77,8 +83,26 @@ export class ScheduleService {
 			if (
 				this.scheduleUpdatedAt.valueOf() === 0 ||
 				this.cacheHash !== oldHash
-			)
+			) {
+				if (this.scheduleUpdatedAt.valueOf() !== 0) {
+					const isReplaced =
+						await this.scheduleReplacerService.hasByEtag(
+							schedule.etag,
+						);
+
+					await this.firebaseAdminService.sendByTopic(
+						"schedule-update",
+						{
+							data: {
+								type: "schedule-update",
+								replaced: isReplaced.toString(),
+								etag: schedule.etag,
+							},
+						},
+					);
+				}
 				this.scheduleUpdatedAt = new Date();
+			}
 
 			return schedule;
 		});

src/users/users.module.ts

@@ -1,13 +1,13 @@
-import { Module } from "@nestjs/common";
+import { forwardRef, Module } from "@nestjs/common";
 import { UsersService } from "./users.service";
 import { PrismaService } from "../prisma/prisma.service";
 import { UsersController } from "./users.controller";
-import { AuthService } from "../auth/auth.service";
 import { ScheduleModule } from "../schedule/schedule.module";
+import { AuthModule } from "../auth/auth.module";
 
 @Module({
-	imports: [ScheduleModule],
-	providers: [PrismaService, UsersService, AuthService],
+	imports: [forwardRef(() => ScheduleModule), forwardRef(() => AuthModule)],
+	providers: [PrismaService, UsersService],
 	exports: [UsersService],
 	controllers: [UsersController],
 })

src/users/users.service.ts

@@ -1,5 +1,7 @@
 import {
 	ConflictException,
+	forwardRef,
+	Inject,
 	Injectable,
 	NotFoundException,
 } from "@nestjs/common";
@@ -16,6 +18,7 @@ import { ScheduleService } from "../schedule/schedule.service";
 export class UsersService {
 	constructor(
 		private readonly prismaService: PrismaService,
+		@Inject(forwardRef(() => ScheduleService))
 		private readonly scheduleService: ScheduleService,
 	) {}