product-api: delete and save

Author: mama-samba-braima

src/main/java/com/amigoscode/product/NewProductRequest.java

@@ -0,0 +1,12 @@
+package com.amigoscode.product;
+
+import java.math.BigDecimal;
+
+public record NewProductRequest(
+        String name,
+        String description,
+        BigDecimal price,
+        Integer stockLevel,
+        String imageUrl
+) {
+}

src/main/java/com/amigoscode/product/Product.java

@@ -37,6 +37,22 @@ public class Product {
 
     private Instant deletedAt;
 
+    public Product() {}
+
+    public Product(UUID id,
+                   String name,
+                   String description,
+                   BigDecimal price,
+                   String imageUrl,
+                   Integer stockLevel) {
+        this.id = id;
+        this.name = name;
+        this.description = description;
+        this.price = price;
+        this.imageUrl = imageUrl;
+        this.stockLevel = stockLevel;
+    }
+
     @PrePersist
     public void prePersist(){
         if(this.id == null) {

src/main/java/com/amigoscode/product/ProductController.java

@@ -1,9 +1,6 @@
 package com.amigoscode.product;
 
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 import java.util.UUID;
@@ -27,4 +24,14 @@ public List<Product> getAllProducts() {
     public Product getProductById(@PathVariable("id") UUID id) {
         return productService.getProductById(id);
     }
+
+    @DeleteMapping("{id}")
+    public void deleteProductById(@PathVariable("id") UUID id) {
+        productService.deleteProductById(id);
+    }
+
+    @PostMapping
+    public UUID saveProduct(@RequestBody NewProductRequest product) {
+        return productService.saveNewProduct(product);
+    }
 }

src/main/java/com/amigoscode/product/ProductService.java

@@ -24,4 +24,28 @@ public Product getProductById(UUID id) {
                         "product with id [" + id + "] not found"
                 ));
     }
+
+    public void deleteProductById(UUID id) {
+        boolean exists = productRepository.existsById(id);
+        if (!exists) {
+            throw new ResourceNotFound(
+                    "product with id [" + id + "] not found"
+            );
+        }
+        productRepository.deleteById(id);
+    }
+
+    public UUID saveNewProduct(NewProductRequest product) {
+        UUID id = UUID.randomUUID();
+        Product newProduct = new Product(
+                id,
+                product.name(),
+                product.description(),
+                product.price(),
+                product.imageUrl(),
+                product.stockLevel()
+        );
+        productRepository.save(newProduct);
+        return id;
+    }
 }