init

2026-06-30 10:33:56 +08:00
commit 6e047dc0a5
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+import { Injectable } from '@nestjs/common';
+import { PrismaService } from '../../common/prisma/prisma.module';
+import { serializeBigInt } from '../../common/decorators/current-user.decorator';
+
+@Injectable()
+export class CatalogService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async listCities() {
+    const cities = await this.prisma.city.findMany({
+      where: { status: 'ACTIVE' },
+      include: { partner: { select: { companyName: true } } },
+    });
+    return serializeBigInt(cities);
+  }
+
+  async listProducts(aromaType?: string) {
+    const products = await this.prisma.product.findMany({
+      where: { status: 'ON_SALE', ...(aromaType ? { aromaType: aromaType as never } : {}) },
+      orderBy: { sortOrder: 'asc' },
+    });
+    return serializeBigInt(
+      products.map((p) => ({
+        ...p,
+        benefitAmount: p.benefitAmount ?? p.price,
+        price: Number(p.price),
+        benefitDisplay: Number(p.benefitAmount ?? p.price),
+      })),
+    );
+  }
+
+  async getProduct(id: bigint) {
+    const product = await this.prisma.product.findUnique({ where: { id } });
+    if (!product) return null;
+    return serializeBigInt({
+      ...product,
+      benefitAmount: product.benefitAmount ?? product.price,
+      price: Number(product.price),
+    });
+  }
+}