merge pull request #469 from kmi0817/be-feautre/#468-change-attaching-files

[feat] 파일 시스템으로 이미지를 관리하도록 하는 서비스 생성

Author: yaongmeow

BE/src/app.module.ts

@@ -7,7 +7,8 @@ import { TimelinesModule } from './timelines/timelines.module';
 import { AuthModule } from './auth/auth.module';
 import { ConfigModule, ConfigService } from '@nestjs/config';
 import { DatabaseModule } from './database/database.module';
-import { StorageModule } from './storage/storage.module';
+// import { StorageModule } from './storage/storage.module';
+import { FileModule } from './file/file.module';
 import { JwtModule } from '@nestjs/jwt';
 import { EmailModule } from './email/email.module';
 
@@ -22,7 +23,8 @@ import { EmailModule } from './email/email.module';
       secret: process.env.JWT_SECRET_ACCESS,
       signOptions: { expiresIn: '30d' },
     }),
-    StorageModule,
+    // StorageModule,
+    FileModule,
     UsersModule,
     PostingsModule,
     TimelinesModule,

BE/src/app.service.ts

@@ -1,9 +1,10 @@
-import { StorageService } from './storage/storage.service';
+// import { StorageService } from './storage/storage.service';
+import { FileService } from './file/file.service';
 import { Injectable } from '@nestjs/common';
 
 @Injectable()
 export class AppService {
-  constructor(private readonly storageService: StorageService) {}
+  constructor(private readonly storageService: FileService) {}
 
   getHello(): string {
     return `

BE/src/auth/auth.module.ts

@@ -3,7 +3,8 @@ import { AuthService } from './auth.service';
 import { AuthController } from './auth.controller';
 import { UsersModule } from 'src/users/users.module';
 import { UsersService } from 'src/users/users.service';
-import { StorageService } from 'src/storage/storage.service';
+// import { StorageService } from 'src/storage/storage.service';
+import { FileService } from 'src/file/file.service';
 import { HttpModule } from '@nestjs/axios';
 import { AuthGuard } from './auth.guard';
 import { EmailModule } from 'src/email/email.module';
@@ -16,7 +17,8 @@ import { AppleLoginStrategy } from 'src/socialLogin/apple-login-strategy';
   providers: [
     AuthService,
     UsersService,
-    StorageService,
+    // StorageService,
+    FileService,
     AuthGuard,
     KakaoLoginStrategy,
     AppleLoginStrategy,

BE/src/file/file.module.ts

@@ -0,0 +1,8 @@
+import { FileService } from './file.service';
+import { Module } from '@nestjs/common';
+
+@Module({
+  providers: [FileService],
+  exports: [FileService],
+})
+export class FileModule {}

BE/src/file/file.service.ts

@@ -0,0 +1,36 @@
+import { Injectable } from '@nestjs/common';
+import { mkdir, unlink, writeFile } from 'fs/promises';
+import { v4 as uuidv4 } from 'uuid';
+
+@Injectable()
+export class FileService {
+  private readonly basePath = 'static/';
+
+  constructor() {}
+
+  private generateFilename(originalname: string) {
+    const extension = originalname.split('.').pop();
+    const uniqueId = uuidv4();
+    return `${uniqueId}.${extension}`;
+  }
+
+  async upload(path: string, file: Express.Multer.File) {
+    const filePath =
+      this.basePath + path + this.generateFilename(file.originalname);
+    await mkdir(this.basePath + path, { recursive: true });
+    await writeFile(filePath, file.buffer);
+
+    return {
+      imageUrl: filePath,
+      path: filePath,
+    };
+  }
+
+  async getImageUrl(key: string): Promise<string> {
+    return this.basePath + key;
+  }
+
+  async delete(path: string) {
+    await unlink(this.basePath + path);
+  }
+}

BE/src/postings/postings.module.ts

@@ -7,10 +7,11 @@ import { PostingsRepository } from './repositories/postings.repository';
 import { LikedsRepository } from './repositories/likeds.repository';
 import { ReportsRepository } from './repositories/reports.repository';
 import { UsersModule } from '../users/users.module';
-import { StorageModule } from 'src/storage/storage.module';
+// import { StorageModule } from 'src/storage/storage.module';
+import { FileModule } from 'src/file/file.module';
 
 @Module({
-  imports: [DatabaseModule, UsersModule, StorageModule],
+  imports: [DatabaseModule, UsersModule, FileModule],
   controllers: [PostingsController],
   providers: [
     ...postingsProviders,

BE/src/postings/postings.service.ts

@@ -17,7 +17,8 @@ import { Liked } from './entities/liked.entity';
 import { Report } from './entities/report.entity';
 import { Period, Season } from './postings.types';
 import { BLOCKING_LIMIT } from './postings.constants';
-import { StorageService } from 'src/storage/storage.service';
+// import { StorageService } from 'src/storage/storage.service';
+import { FileService } from 'src/file/file.service';
 import { BlockRepository } from 'src/users/block.repository';
 
 @Injectable()
@@ -28,7 +29,7 @@ export class PostingsService {
     private readonly postingsRepository: PostingsRepository,
     private readonly likedsRepository: LikedsRepository,
     private readonly reportsRepository: ReportsRepository,
-    private readonly storageService: StorageService
+    private readonly storageService: FileService
   ) {}
 
   async create(userId: string, createPostingDto: CreatePostingDto) {

BE/src/timelines/timelines.module.ts

@@ -12,14 +12,16 @@ import { PostingsRepository } from '../postings/repositories/postings.repository
 import { LikedsRepository } from '../postings/repositories/likeds.repository';
 import { ReportsRepository } from '../postings/repositories/reports.repository';
 import { postingsProviders } from '../postings/postings.providers';
-import { StorageModule } from '../storage/storage.module';
+// import { StorageModule } from '../storage/storage.module';
+import { FileModule } from '../file/file.module';
 
 @Module({
   imports: [
     DatabaseModule,
     PostingsModule,
     UsersModule,
-    StorageModule,
+    // StorageModule,
+    FileModule,
     HttpModule,
   ],
   controllers: [TimelinesController],

BE/src/timelines/timelines.service.ts

@@ -10,7 +10,8 @@ import { CreateTimelineDto } from './dto/create-timeline.dto';
 import { UpdateTimelineDto } from './dto/update-timeline.dto';
 import { TimelinesRepository } from './timelines.repository';
 import { Timeline } from './entities/timeline.entity';
-import { StorageService } from '../storage/storage.service';
+// import { StorageService } from '../storage/storage.service';
+import { FileService } from '../file/file.service';
 import { PostingsService } from '../postings/postings.service';
 import { KAKAO_KEYWORD_SEARCH, PAPAGO_URL } from './timelines.constants';
 import { PostingsRepository } from '../postings/repositories/postings.repository';
@@ -21,7 +22,7 @@ export class TimelinesService {
     private readonly timelinesRepository: TimelinesRepository,
     private readonly postingsRepository: PostingsRepository,
     private readonly postingsService: PostingsService,
-    private readonly storageService: StorageService,
+    private readonly storageService: FileService,
     private readonly httpService: HttpService
   ) {}
 

BE/src/users/users.module.ts

@@ -3,12 +3,13 @@ import { UsersService } from './users.service';
 import { UsersController } from './users.controller';
 import { usersProvider } from './users.providers';
 import { UserRepository } from './users.repository';
-import { StorageModule } from '../storage/storage.module';
+// import { StorageModule } from '../storage/storage.module';
+import { FileModule } from '../file/file.module';
 import { DatabaseModule } from '../database/database.module';
 import { BlockRepository } from './block.repository';
 
 @Module({
-  imports: [DatabaseModule, StorageModule],
+  imports: [DatabaseModule, FileModule],
   controllers: [UsersController],
   providers: [UsersService, ...usersProvider, UserRepository, BlockRepository],
   exports: [UserRepository, UsersService, BlockRepository],

BE/src/users/users.service.ts

@@ -1,6 +1,7 @@
 import { BadRequestException, Injectable } from '@nestjs/common';
 import { UserInfoDto } from './dto/user-info.dto';
-import { StorageService } from 'src/storage/storage.service';
+// import { StorageService } from 'src/storage/storage.service';
+import { FileService } from 'src/file/file.service';
 import { UserRepository } from './users.repository';
 import { CheckDuplicatedNameResponseDto } from './dto/check-duplicated-name-response.dto';
 import { UpdateUserDto } from './dto/update-user.dto';
@@ -12,7 +13,7 @@ export class UsersService {
   constructor(
     private userRepository: UserRepository,
     private blockRepository: BlockRepository,
-    private readonly storageService: StorageService
+    private readonly storageService: FileService
   ) {}
 
   nameGenerator() {