Merge pull request #108 from Tech-Harbor/Bezsmertnyi

Bezsmertnyi | Added filter productName
Tech-Harbor · Apr 15, 2024 · c48d31b · c48d31b
2 parents 54f755d + a726339
commit c48d31b
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Showing 3 changed files with 36 additions and 4 deletions.
diff --git a/src/main/java/com/example/backend/web/Product/ProductController.java b/src/main/java/com/example/backend/web/Product/ProductController.java
@@ -15,6 +15,7 @@ public class ProductController {
 
     private final ProductServiceImpl productService;
     private static final String URI_PRODUCTS_ID = "/{id}";
+    private static final String URI_PRODUCTS_FILTER = "/filter/{name}";
     private static final String URL_DELETE_ALL = "/deleteAll";
 
     @PostMapping(URI_PRODUCTS_ID)
@@ -46,6 +47,11 @@ public void deleteIdProduct(@PathVariable final Long id) {
         productService.deleteIdProduct(id);
     }
 
+    @GetMapping(URI_PRODUCTS_FILTER)
+    public List<ProductEntity> getFilterName(@PathVariable final String name) {
+        return productService.getFilterProductName(name);
+    }
+
     @DeleteMapping(URL_DELETE_ALL)
     public void deleteAllProduct() {
         productService.deleteAll();

diff --git a/src/main/java/com/example/backend/web/Product/ProductService.java b/src/main/java/com/example/backend/web/Product/ProductService.java
@@ -8,5 +8,6 @@ public interface ProductService {
     ProductDTO getOneProduct(Long id);
     ProductDTO editProduct(Long id, ProductDTO entity);
     void deleteIdProduct(Long id);
+    List<ProductEntity> getFilterProductName(String name);
     void deleteAll();
 }
diff --git a/src/main/java/com/example/backend/web/Product/ProductServiceImpl.java b/src/main/java/com/example/backend/web/Product/ProductServiceImpl.java
@@ -4,6 +4,12 @@
 import com.example.backend.web.Category.CategoryService;
 import com.example.backend.web.User.UserEntity;
 import com.example.backend.web.User.UserService;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.TypedQuery;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.CriteriaQuery;
+import jakarta.persistence.criteria.Predicate;
+import jakarta.persistence.criteria.Root;
 import lombok.AllArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -14,10 +20,11 @@
 @AllArgsConstructor
 public class ProductServiceImpl implements ProductService {
 
-    private ProductRepository productRepository;
-    private UserService userService;
-    private ProductFactory productFactory;
-    private CategoryService categoryService;
+    private final ProductRepository productRepository;
+    private final CategoryService categoryService;
+    private final ProductFactory productFactory;
+    private final UserService userService;
+    private final EntityManager em;
 
     @Override
     public ProductDTO createProduct(final Long id, final ProductDTO product) {
@@ -75,6 +82,24 @@ public void deleteAll() {
         productRepository.deleteAll();
     }
 
+    @Override
+    public List<ProductEntity> getFilterProductName(final String name) {
+
+        CriteriaBuilder criteriaBuilder = em.getCriteriaBuilder();
+
+        CriteriaQuery<ProductEntity> criteriaQuery = criteriaBuilder.createQuery(ProductEntity.class);
+
+        Root<ProductEntity> productEntityRoot = criteriaQuery.from(ProductEntity.class);
+
+        Predicate nameProductPredicate = criteriaBuilder.equal(productEntityRoot.get("name"), name);
+
+        criteriaQuery.where(nameProductPredicate);
+
+        TypedQuery<ProductEntity> typedQuery = em.createQuery(criteriaQuery);
+
+        return typedQuery.getResultList();
+    }
+
     private ProductEntity getIdProduct(final Long id) {
         return productRepository.getReferenceById(id);
     }