main create

main.ts

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+import { NestFactory } from '@nestjs/core';
+import { Module, Controller, Get, Post, Body, Param, ParseIntPipe, NotFoundException, BadRequestException } from '@nestjs/common';
+import { PrismaService } from './prisma.service';
+import 'dotenv/config';
+import * as bcrypt from 'bcrypt';
+
+@Controller()
+class AppController {
+  @Get()
+  getHello(): string {
+    return 'Travel Planning API is running!';
+  }
+}
+
+@Controller('v1/auth')
+class AuthController {
+  constructor(private prisma: PrismaService) {}
+
+  @Post('signup')
+  async signup(@Body() body: any) {
+    const { email, password, name } = body;
+    
+    // 1. Kiểm tra email tồn tại
+    const existingUser = await this.prisma.user.findUnique({ where: { email } });
+    if (existingUser) throw new BadRequestException('Email đã được sử dụng');
+
+    // 2. Logic "First User is Admin"
+    const userCount = await this.prisma.user.count();
+    const shouldBeAdmin = userCount === 0;
+
+    // 3. Hash mật khẩu
+    const passwordHash = await bcrypt.hash(password, 10);
+
+    return this.prisma.user.create({
+      data: { email, passwordHash, name, isAdmin: shouldBeAdmin },
+      select: { id: true, email: true, name: true, isAdmin: true }
+    });
+  }
+}
+
+@Controller('v1/tours')
+class TourController {
+  constructor(private prisma: PrismaService) {}
+
+  @Get('explore')
+  async getPublicTours() {
+    // Lấy các tour có ít nhất 1 ảnh và thông tin vị trí từ chặng đầu tiên
+    return this.prisma.tour.findMany({
+      take: 20,
+      include: {
+        photos: { take: 1 },
+        legs: {
+          take: 1,
+          include: {
+            places: { take: 1 }
+          }
+        }
+      }
+    });
+  }
+
+  @Get(':id')
+  async getTourDetails(@Param('id', ParseIntPipe) id: number) {
+    const tour = await this.prisma.tour.findUnique({
+      where: { id },
+      include: {
+        members: true,
+        photos: true,
+        legs: {
+          orderBy: { sequenceNumber: 'asc' },
+          include: {
+            places: { orderBy: { sequenceInLeg: 'asc' } },
+            expenses: true,
+          },
+        },
+      },
+    });
+
+    if (!tour) throw new NotFoundException(`Không tìm thấy Tour với ID ${id}`);
+    return tour;
+  }
+}
+
+@Module({ 
+  controllers: [AppController, AuthController, TourController], 
+  providers: [PrismaService], 
+  exports: [PrismaService] 
+})
+class AppModule {}
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+  app.enableCors(); // Cho phép Frontend gọi API
+  app.setGlobalPrefix('api'); // Tất cả API sẽ bắt đầu bằng /api/...
+  
+  const port = process.env.PORT || 3001;
+  await app.listen(port);
+  console.log(`🚀 Server is running on: http://localhost:${port}`);
+}
+bootstrap();