feat/#55/admin api 생성

package.json

@@ -31,6 +31,7 @@
     "@nestjs/swagger": "^7.4.2",
     "@prisma/client": "^6.0.1",
     "@types/cache-manager-redis-store": "^2.0.4",
+    "bcrypt": "^5.1.1",
     "cache-manager": "^5.7.6",
     "cache-manager-redis-store": "^2.0.0",
     "class-transformer": "^0.5.1",
@@ -49,6 +50,7 @@
     "@nestjs/cli": "^10.0.0",
     "@nestjs/schematics": "^10.0.0",
     "@nestjs/testing": "^10.4.4",
+    "@types/bcrypt": "^5.0.2",
     "@types/express": "^4.17.17",
     "@types/jest": "^29.5.2",
     "@types/node": "^20.3.1",

prisma/migrations/20250105105313_create_admin/migration.sql

@@ -0,0 +1,13 @@
+-- CreateTable
+CREATE TABLE "admin_user" (
+    "id" SERIAL NOT NULL,
+    "email" VARCHAR(50) NOT NULL,
+    "password" VARCHAR(255) NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "admin_user_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "admin_user_email_key" ON "admin_user"("email");

prisma/schema.prisma

@@ -155,3 +155,13 @@ model PartProgress {
   @@id([userId, partId])
   @@map("part_progress")
 }
+
+model AdminUser {
+  id        Int      @id @default(autoincrement())
+  email     String   @unique @db.VarChar(50)
+  password  String   @db.VarChar(255)
+  createdAt DateTime @default(now()) @map("created_at")
+  updatedAt DateTime @updatedAt @map("updated_at")
+
+  @@map("admin_user")
+}

src/admin/admin.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { AdminController } from './controllers/admin.controller';
+import { AdminService } from './services/admin.service';
+
+@Module({
+  imports: [],
+  providers: [AdminService],
+  controllers: [AdminController],
+})
+export class AdminModule {}

src/admin/controllers/admin.controller.ts

@@ -0,0 +1,16 @@
+import { Body, Controller, Post } from '@nestjs/common';
+import { AdminService } from '../services/admin.service';
+import { LoginAdminDto } from '../dtos/login-admin.dto';
+import { ApiTags } from '@nestjs/swagger';
+
+@Controller('admin')
+export class AdminController {
+  constructor(private readonly adminService: AdminService) {}
+
+  // admin 로그인
+  @ApiTags('admins')
+  @Post('login')
+  async loginAdmin(@Body() loginAdminInfo: LoginAdminDto) {
+    return await this.adminService.loginAdmin(loginAdminInfo);
+  }
+}

src/admin/dtos/login-admin.dto.ts

@@ -0,0 +1,18 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { IsEmail, IsString } from 'class-validator';
+
+export class LoginAdminDto {
+  @ApiProperty({
+    description: 'admin 이메일',
+    example: 'gwgw123@gmail.com',
+  })
+  @IsEmail()
+  readonly email: string;
+
+  @ApiProperty({
+    description: 'admin 비밀번호',
+    example: 'gwpassword123',
+  })
+  @IsString()
+  readonly password: string;
+}

src/admin/services/admin.service.ts

@@ -0,0 +1,53 @@
+import {
+  Injectable,
+  NotFoundException,
+  UnauthorizedException,
+} from '@nestjs/common';
+import { PrismaService } from 'src/prisma/prisma.service';
+import * as bcrypt from 'bcrypt';
+import { LoginAdminDto } from '../dtos/login-admin.dto';
+
+@Injectable()
+export class AdminService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  /**
+   * admin 로그인 메서드
+   * @param loginAdminInfo
+   * email과 password
+   * @returns
+   */
+  async loginAdmin(loginAdminInfo: LoginAdminDto) {
+    const { email, password } = loginAdminInfo;
+
+    const userInfo = await this.prisma.adminUser.findUnique({
+      where: { email },
+    });
+
+    if (!userInfo) {
+      throw new NotFoundException('Please check your email.');
+    }
+
+    // 비밀번호 복호화
+    const isMatch = await this.comparePasswords(password, userInfo.password);
+
+    if (!isMatch) {
+      throw new UnauthorizedException('Password does not match.');
+    }
+
+    return true;
+  }
+
+  /**
+   * password 복호화 함수
+   * @param plainPassword 사용자가 입력한 password 값
+   * @param hashedPassword DB에 있는 password 값
+   * @returns
+   */
+  private async comparePasswords(
+    plainPassword: string,
+    hashedPassword: string,
+  ): Promise<boolean> {
+    return await bcrypt.compare(plainPassword, hashedPassword);
+  }
+}

src/app.module.ts

@@ -9,6 +9,7 @@ import { SectionsModule } from './sections/sections.module';
 import { ConfigModule } from '@nestjs/config';
 import { AuthModule } from './auth/auth.module';
 import { AppController } from './app.controller';
+import { AdminModule } from './admin/admin.module';
 
 @Module({
   imports: [
@@ -22,6 +23,7 @@ import { AppController } from './app.controller';
       isGlobal: true,
     }),
     AuthModule,
+    AdminModule,
   ],
   controllers: [AppController],
   providers: [AppService],