ProductRepository i odczyt w wersji tekstowej

PC37-SklepSpring/src/main/java/sklep/controller/ProductController.java

+package sklep.controller;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import sklep.model.Product;
+import sklep.repository.ProductRepository;
+
+@Controller
+public class ProductController {
+    @Autowired
+    private ProductRepository productRepository;
+    
+    @GetMapping(path="/products", produces="text/plain")
+    @ResponseBody
+    public String getProductsTxt() {
+        StringBuilder sb = new StringBuilder("Lista produktów:\n");
+        List<Product> products = productRepository.findAll();
+        for(Product product : products) {
+            sb.append(" * ").append(product.getProductName())
+              .append(" za cenę ").append(product.getPrice())
+              .append('\n');
+        }
+        return sb.toString();
+    }
+    
+}

PC37-SklepSpring/src/main/java/sklep/repository/ProductRepository.java

+package sklep.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import sklep.model.Product;
+
+public interface ProductRepository extends JpaRepository<Product, Integer> {
+
+}