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price-compare-api/src/product/product.controller.ts

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+import { Controller, Get, Post, Put, Body, Param, Query } from '@nestjs/common';
+import { ProductService } from './product.service';
+import { Prisma } from '@prisma/client';
+
+@Controller('products')
+export class ProductController {
+  constructor(private readonly productService: ProductService) {}
+
+  @Get(':id')
+  async getProduct(@Param('id') id: string) {
+    return this.productService.getProduct(Number(id));
+  }
+
+  @Get()
+  async getProducts(
+    @Query('skip') skip?: string,
+    @Query('take') take?: string,
+    @Query('search') search?: string,
+    @Query('maxPrice') maxPrice?: string,
+  ) {
+    if (search) {
+      return this.productService.searchProducts(search);
+    }
+
+    return this.productService.getProducts({
+      skip: skip ? Number(skip) : undefined,
+      take: take ? Number(take) : undefined,
+      where: maxPrice
+        ? {
+            prices: {
+              some: {
+                regularPrice: {
+                  lte: Number(maxPrice),
+                },
+              },
+            },
+          }
+        : undefined,
+    });
+  }
+
+  @Post()
+  async createProduct(@Body() data: Prisma.ProductCreateInput) {
+    return this.productService.createProduct(data);
+  }
+
+  @Put(':id')
+  async updateProduct(
+    @Param('id') id: string,
+    @Body() data: Prisma.ProductUpdateInput,
+  ) {
+    return this.productService.updateProduct({
+      where: { id: Number(id) },
+      data,
+    });
+  }
+}