feat: add admin authentication

apps/api/package.json

@@ -18,6 +18,7 @@
     "@nestjs/core": "^11.0.11",
     "@nestjs/platform-fastify": "^11.0.11",
     "@prisma/client": "^6.2.1",
+    "bcryptjs": "^2.4.3",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.1",
     "fastify": "^5.2.1",

apps/api/prisma/schema.prisma

@@ -138,6 +138,18 @@ model Tag {
   @@unique([brandId, name])
 }
 
+model AdminUser {
+  id           String   @id @default(uuid())
+  username     String   @unique
+  passwordHash String
+  displayName  String
+  role         String   @default("admin")
+  isEnabled    Boolean  @default(true)
+  lastLoginAt  DateTime?
+  createdAt    DateTime @default(now())
+  updatedAt    DateTime @updatedAt
+}
+
 model BookingTag {
   bookingId String
   tagId     String

apps/api/prisma/seed.ts

@@ -1,4 +1,5 @@
 import { PrismaClient } from "@prisma/client";
+import { hash } from "bcryptjs";
 
 const prisma = new PrismaClient();
 
@@ -54,6 +55,15 @@ async function main(): Promise<void> {
       create: { brandId: brand.id, name, isPreset: true },
     });
   }
+  await prisma.adminUser.upsert({
+    where: { username: "admin" },
+    update: {},
+    create: {
+      username: "admin",
+      passwordHash: await hash(process.env.SEED_ADMIN_PASSWORD ?? "change-me-now-123", 12),
+      displayName: "品牌管理员",
+    },
+  });
 }
 
 main().finally(() => prisma.$disconnect());

apps/api/src/admin-auth.dto.ts

@@ -0,0 +1,6 @@
+import { IsString, MinLength } from "class-validator";
+
+export class AdminLoginDto {
+  @IsString() username!: string;
+  @IsString() @MinLength(8) password!: string;
+}

apps/api/src/admin-auth.service.ts

@@ -0,0 +1,30 @@
+import { Injectable, UnauthorizedException } from "@nestjs/common";
+import { compare } from "bcryptjs";
+import { PrismaService } from "./prisma.service.js";
+import { signIdentity } from "./auth.js";
+
+@Injectable()
+export class AdminAuthService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async login(username: string, password: string): Promise<{ token: string; displayName: string }> {
+    const user = await this.prisma.adminUser.findUnique({ where: { username } });
+    // bcryptjs ships incomplete typings in this dependency version.
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-call
+    if (!user || !user.isEnabled || !(await compare(password, user.passwordHash))) {
+      throw new UnauthorizedException("账号或密码错误");
+    }
+    await this.prisma.adminUser.update({
+      where: { id: user.id },
+      data: { lastLoginAt: new Date() },
+    });
+    return {
+      token: signIdentity({
+        subject: user.id,
+        brandId: process.env.DEFAULT_BRAND_ID ?? "",
+        role: "admin",
+      }),
+      displayName: user.displayName,
+    };
+  }
+}

apps/api/src/main.ts

@@ -19,6 +19,8 @@ import { WechatAuthService } from "./wechat-auth.js";
 import { BookingService } from "./booking.service.js";
 import { CreateBookingDto } from "./booking.dto.js";
 import { UpdateBookingStatusDto } from "./admin.dto.js";
+import { AdminAuthService } from "./admin-auth.service.js";
+import { AdminLoginDto } from "./admin-auth.dto.js";
 import type { FastifyRequest } from "fastify";
 import { readIdentity, signIdentity } from "./auth.js";
 
@@ -92,6 +94,15 @@ export class CustomerSessionController {
   }
 }
 
+@Controller("admin/session")
+export class AdminSessionController {
+  constructor(private readonly auth: AdminAuthService) {}
+  @Post("login")
+  login(@Body() body: AdminLoginDto): Promise<{ token: string; displayName: string }> {
+    return this.auth.login(body.username, body.password);
+  }
+}
+
 @Controller("customer/bookings")
 export class CustomerBookingController {
   constructor(
@@ -185,10 +196,11 @@ export class AdminBookingController {
     HealthController,
     PublicController,
     CustomerSessionController,
+    AdminSessionController,
     CustomerBookingController,
     AdminBookingController,
   ],
-  providers: [PrismaService, WechatAuthService, BookingService],
+  providers: [PrismaService, WechatAuthService, BookingService, AdminAuthService],
   exports: [PrismaService, WechatAuthService],
 })
 export class AppModule {}

apps/api/src/types/bcryptjs.d.ts

@@ -0,0 +1,4 @@
+declare module "bcryptjs" {
+  export function compare(password: string, hash: string): Promise<boolean>;
+  export function hash(password: string, saltRounds: number): Promise<string>;
+}