working put statement for product

src/main/java/com/nisum/webfluxday2/controller/ProductController.java

@@ -32,5 +32,15 @@ public class ProductController {
         return productService.addProduct(productRequest);
     }
 
+    @PutMapping("/products/{id}")
+    public Mono<ProductResponse> alterProduct(@PathVariable String id, @RequestBody ProductRequest productRequest){
+        return productService.alterProduct(id, productRequest);
+    }
+
+    @DeleteMapping("/products/{id}")
+    public Mono<Boolean> deleteProduct(@PathVariable String id){
+        return productService.deleteProduct(id);
+    }
+
 
 }

src/main/java/com/nisum/webfluxday2/service/ProductService.java

@@ -30,4 +30,29 @@ public class ProductService {
         Mono<Product> product = productRepository.findById(id);
         return product.map(prod -> new ProductResponse(prod));
     }
+
+    public Mono<ProductResponse> alterProduct(String id, ProductRequest productRequest) {
+
+        System.out.println("put service");
+
+        Mono<Product> product = productRepository.findById(id);
+
+        return product.flatMap(prod -> {
+            prod.setDescription(productRequest.getDescription());
+            prod.setPrice(productRequest.getPrice());
+            prod.setName(productRequest.getName());
+            return productRepository.save(prod);
+        }).map(prod -> new ProductResponse(prod));
+
+    }
+
+
+    public Mono<Boolean> deleteProduct(String id) {
+        Mono<Product> productToDelete = productRepository.findById(id);
+        return productToDelete.map(product -> {
+                productRepository.delete(product);
+                return product;
+        }).hasElement();
+
+    }
 }