feat: initial commit

apps/api/src/modules/catalog/catalog.service.ts

@@ -0,0 +1,28 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import { PrismaService } from '../../prisma/prisma.service';
+
+@Injectable()
+export class CatalogService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  listProducts() {
+    return this.prisma.product.findMany({
+      where: { isActive: true },
+      include: {
+        variants: true,
+        images: true,
+        category: true,
+        brand: true,
+        collections: { include: { collection: true } },
+      },
+    });
+  }
+
+  async getVariantOrThrow(variantId: string) {
+    const variant = await this.prisma.productVariant.findUnique({ where: { id: variantId } });
+    if (!variant || !variant.isActive) {
+      throw new NotFoundException(`Product variant ${variantId} not found or inactive`);
+    }
+    return variant;
+  }
+}