Merge pull request #107 from Tech-Harbor/Bezsmertnyi

Bezsmertnyi | Added filter categoryName
Tech-Harbor · Apr 15, 2024 · 54f755d · 54f755d
2 parents b1f1e5a + bdf6c05
commit 54f755d
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Showing 3 changed files with 33 additions and 5 deletions.
diff --git a/src/main/java/com/example/backend/web/Category/CategoryController.java b/src/main/java/com/example/backend/web/Category/CategoryController.java
@@ -16,6 +16,7 @@ public class CategoryController {
 
     private final CategoryServiceImpl categoryService;
     private static final String URI_CATEGORIES_ID = "/{id}";
+    private static final String URI_CATEGORIES_FILTER = "/filter/{categoryName}";
 
     @GetMapping
     public List<CategoryDTO> getAll() {
@@ -38,6 +39,11 @@ public CategoryDTO update(@PathVariable final Long id, @RequestBody @Validated f
         return categoryService.update(id, categoryDTO);
     }
 
+    @GetMapping(URI_CATEGORIES_FILTER)
+    public List<CategoryEntity> getFilterLatsName(@PathVariable final String categoryName) {
+        return categoryService.getFilterCategory(categoryName);
+    }
+
     @DeleteMapping(URI_CATEGORIES_ID)
     public void delete(@PathVariable final Long id) {
         categoryService.deleteId(id);

diff --git a/src/main/java/com/example/backend/web/Category/CategoryService.java b/src/main/java/com/example/backend/web/Category/CategoryService.java
@@ -4,14 +4,10 @@
 public interface CategoryService {
 
     List<CategoryDTO> getAll();
-
     CategoryEntity getById(Long id);
-
     CategoryDTO getOneById(Long id);
-
     CategoryDTO create(CategoryDTO categoryDTO);
-
     CategoryDTO update(Long categoryId, CategoryDTO categoryDTO);
-
     void deleteId(Long id);
+    List<CategoryEntity> getFilterCategory(String categoryName);
 }
diff --git a/src/main/java/com/example/backend/web/Category/CategoryServiceImpl.java b/src/main/java/com/example/backend/web/Category/CategoryServiceImpl.java
@@ -1,5 +1,11 @@
 package com.example.backend.web.Category;
 
+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;
 
@@ -12,6 +18,7 @@ public class CategoryServiceImpl implements CategoryService {
 
     private final CategoryRepository categoryRepository;
     private final CategoryFactory categoryFactory;
+    private final EntityManager em;
 
     @Override
     public List<CategoryDTO> getAll() {
@@ -59,4 +66,23 @@ public void deleteId(final Long id) {
     public CategoryEntity getIdCategory(final Long id) {
         return categoryRepository.getReferenceById(id);
     }
+
+    @Override
+    public List<CategoryEntity> getFilterCategory(final String categoryName) {
+
+        CriteriaBuilder criteriaBuilder = em.getCriteriaBuilder();
+
+        CriteriaQuery<CategoryEntity> criteriaQuery = criteriaBuilder.createQuery(CategoryEntity.class);
+
+        Root<CategoryEntity> categoryEntityRootRoot = criteriaQuery.from(CategoryEntity.class);
+
+        Predicate categoryNamePredicate = criteriaBuilder.equal(
+                categoryEntityRootRoot.get("categoryName"), categoryName);
+
+        criteriaQuery.where(categoryNamePredicate);
+
+        TypedQuery<CategoryEntity> typedQuery = em.createQuery(criteriaQuery);
+
+        return typedQuery.getResultList();
+    }
 }