refactor: switch the category classes to clean architecture

src/main/java/br/com/fiap/grupo30/fastfood/domain/repositories/CategoryRepository.java

@@ -1,8 +1,8 @@
 package br.com.fiap.grupo30.fastfood.domain.repositories;
 
-import br.com.fiap.grupo30.fastfood.presentation.presenters.dto.CategoryDTO;
+import br.com.fiap.grupo30.fastfood.domain.entities.Category;
 import java.util.List;
 
 public interface CategoryRepository {
-    List<CategoryDTO> findAll();
+    List<Category> findAll();
 }

src/main/java/br/com/fiap/grupo30/fastfood/domain/usecases/category/ListAllCategoriesInMenuUseCase.java

@@ -0,0 +1,18 @@
+package br.com.fiap.grupo30.fastfood.domain.usecases.category;
+
+import br.com.fiap.grupo30.fastfood.domain.entities.Category;
+import br.com.fiap.grupo30.fastfood.infrastructure.gateways.CategoryGateway;
+import java.util.List;
+
+public class ListAllCategoriesInMenuUseCase {
+
+    private final CategoryGateway categoryGateway;
+
+    public ListAllCategoriesInMenuUseCase(CategoryGateway categoryGateway) {
+        this.categoryGateway = categoryGateway;
+    }
+
+    public List<Category> execute() {
+        return categoryGateway.findAll();
+    }
+}

src/main/java/br/com/fiap/grupo30/fastfood/infrastructure/configuration/CategoryConfiguration.java

@@ -0,0 +1,23 @@
+package br.com.fiap.grupo30.fastfood.infrastructure.configuration;
+
+import br.com.fiap.grupo30.fastfood.domain.repositories.CategoryRepository;
+import br.com.fiap.grupo30.fastfood.domain.usecases.category.ListAllCategoriesInMenuUseCase;
+import br.com.fiap.grupo30.fastfood.infrastructure.gateways.CategoryGateway;
+import br.com.fiap.grupo30.fastfood.infrastructure.persistence.repositories.JpaCategoryRepository;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class CategoryConfiguration {
+
+    @Bean
+    public CategoryRepository categoryRepository(JpaCategoryRepository jpaCategoryRepository) {
+        return new CategoryGateway(jpaCategoryRepository);
+    }
+
+    @Bean
+    public ListAllCategoriesInMenuUseCase listAllCategoriesInMenuUseCase(
+            CategoryGateway categoryGateway) {
+        return new ListAllCategoriesInMenuUseCase(categoryGateway);
+    }
+}

src/main/java/br/com/fiap/grupo30/fastfood/infrastructure/gateways/CategoryGateway.java

@@ -1,9 +1,8 @@
 package br.com.fiap.grupo30.fastfood.infrastructure.gateways;
 
+import br.com.fiap.grupo30.fastfood.domain.entities.Category;
 import br.com.fiap.grupo30.fastfood.domain.repositories.CategoryRepository;
 import br.com.fiap.grupo30.fastfood.infrastructure.persistence.repositories.JpaCategoryRepository;
-import br.com.fiap.grupo30.fastfood.presentation.presenters.dto.CategoryDTO;
-import br.com.fiap.grupo30.fastfood.presentation.presenters.mapper.impl.CategoryMapper;
 import java.util.List;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -13,20 +12,17 @@
 public class CategoryGateway implements CategoryRepository {
 
     public final JpaCategoryRepository jpaCategoryRepository;
-    private final CategoryMapper categoryMapper;
 
     @Autowired
-    public CategoryGateway(
-            JpaCategoryRepository jpaCategoryRepository, CategoryMapper categoryMapper) {
+    public CategoryGateway(JpaCategoryRepository jpaCategoryRepository) {
         this.jpaCategoryRepository = jpaCategoryRepository;
-        this.categoryMapper = categoryMapper;
     }
 
     @Override
     @Transactional(readOnly = true)
-    public List<CategoryDTO> findAll() {
+    public List<Category> findAll() {
         return jpaCategoryRepository.findAll().stream()
-                .map(entity -> new CategoryDTO(categoryMapper.mapFrom(entity)))
+                .map(entity -> new Category(entity.getId(), entity.getName()))
                 .toList();
     }
 }

src/main/java/br/com/fiap/grupo30/fastfood/presentation/controllers/CategoryController.java

@@ -1,7 +1,8 @@
 package br.com.fiap.grupo30.fastfood.presentation.controllers;
 
-import br.com.fiap.grupo30.fastfood.domain.usecases.product.ListAllCategoriesInMenuUseCase;
+import br.com.fiap.grupo30.fastfood.domain.usecases.category.ListAllCategoriesInMenuUseCase;
 import br.com.fiap.grupo30.fastfood.presentation.presenters.dto.CategoryDTO;
+import br.com.fiap.grupo30.fastfood.presentation.presenters.mapper.impl.CategoryDTOMapper;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import java.util.List;
@@ -17,18 +18,25 @@
 public class CategoryController {
 
     private final ListAllCategoriesInMenuUseCase listAllCategoriesInMenuUseCase;
+    private final CategoryDTOMapper categoryDTOMapper;
 
     @Autowired
-    public CategoryController(ListAllCategoriesInMenuUseCase listAllCategoriesInMenuUseCase) {
+    public CategoryController(
+            ListAllCategoriesInMenuUseCase listAllCategoriesInMenuUseCase,
+            CategoryDTOMapper categoryDTOMapper) {
         this.listAllCategoriesInMenuUseCase = listAllCategoriesInMenuUseCase;
+        this.categoryDTOMapper = categoryDTOMapper;
     }
 
     @GetMapping
     @Operation(
             summary = "Get all categories",
             description = "Retrieve a list of all registered categories")
     public ResponseEntity<List<CategoryDTO>> findAll() {
-        List<CategoryDTO> list = this.listAllCategoriesInMenuUseCase.execute();
+        List<CategoryDTO> list =
+                this.listAllCategoriesInMenuUseCase.execute().stream()
+                        .map(this.categoryDTOMapper::mapTo)
+                        .toList();
         return ResponseEntity.ok().body(list);
     }
 }

src/main/java/br/com/fiap/grupo30/fastfood/presentation/presenters/mapper/impl/CategoryDTOMapper.java

@@ -0,0 +1,26 @@
+package br.com.fiap.grupo30.fastfood.presentation.presenters.mapper.impl;
+
+import br.com.fiap.grupo30.fastfood.domain.entities.Category;
+import br.com.fiap.grupo30.fastfood.presentation.presenters.dto.CategoryDTO;
+import br.com.fiap.grupo30.fastfood.presentation.presenters.mapper.Mapper;
+import org.springframework.stereotype.Component;
+
+@Component
+public class CategoryDTOMapper implements Mapper<Category, CategoryDTO> {
+
+    @Override
+    public CategoryDTO mapTo(Category category) {
+        CategoryDTO dto = new CategoryDTO();
+        dto.setId(category.getId());
+        dto.setName(category.getName());
+        return dto;
+    }
+
+    @Override
+    public Category mapFrom(CategoryDTO dto) {
+        Category category = new Category();
+        category.setId(dto.getId());
+        category.setName(dto.getName());
+        return category;
+    }
+}

src/main/java/br/com/fiap/grupo30/fastfood/presentation/presenters/mapper/impl/CategoryMapper.java → src/main/java/br/com/fiap/grupo30/fastfood/presentation/presenters/mapper/impl/CategoryEntityMapper.java

@@ -6,7 +6,7 @@
 import org.springframework.stereotype.Component;
 
 @Component
-public class CategoryMapper implements Mapper<Category, CategoryEntity> {
+public class CategoryEntityMapper implements Mapper<Category, CategoryEntity> {
 
     @Override
     public CategoryEntity mapTo(Category category) {

src/main/java/br/com/fiap/grupo30/fastfood/presentation/presenters/mapper/impl/ProductDTOMapper.java

@@ -14,13 +14,14 @@
 public final class ProductDTOMapper implements Mapper<ProductDTO, ProductEntity> {
 
     private final JpaCategoryRepository jpaCategoryRepository;
-    private final CategoryMapper categoryMapper;
+    private final CategoryEntityMapper categoryEntityMapper;
 
     @Autowired
     public ProductDTOMapper(
-            JpaCategoryRepository jpaCategoryRepository, CategoryMapper categoryMapper) {
+            JpaCategoryRepository jpaCategoryRepository,
+            CategoryEntityMapper categoryEntityMapper) {
         this.jpaCategoryRepository = jpaCategoryRepository;
-        this.categoryMapper = categoryMapper;
+        this.categoryEntityMapper = categoryEntityMapper;
     }
 
     @Override
@@ -44,7 +45,7 @@ public ProductDTO mapFrom(ProductEntity entity) {
         dto.setDescription(entity.getDescription());
         dto.setImgUrl(entity.getImgUrl());
         dto.setPrice(entity.getPrice());
-        Category category = categoryMapper.mapFrom(entity.getCategory());
+        Category category = categoryEntityMapper.mapFrom(entity.getCategory());
         dto.setCategory(new CategoryDTO(category));
         return dto;
     }

src/main/java/br/com/fiap/grupo30/fastfood/presentation/presenters/mapper/impl/ProductMapper.java

@@ -9,11 +9,11 @@
 @Component
 public final class ProductMapper implements Mapper<Product, ProductEntity> {
 
-    private final CategoryMapper categoryMapper;
+    private final CategoryEntityMapper categoryEntityMapper;
 
     @Autowired
-    public ProductMapper(CategoryMapper categoryMapper) {
-        this.categoryMapper = categoryMapper;
+    public ProductMapper(CategoryEntityMapper categoryEntityMapper) {
+        this.categoryEntityMapper = categoryEntityMapper;
     }
 
     @Override
@@ -24,7 +24,7 @@ public ProductEntity mapTo(Product product) {
         entity.setDescription(product.getDescription());
         entity.setPrice(product.getPrice());
         entity.setImgUrl(product.getImgUrl());
-        entity.setCategory(categoryMapper.mapTo(product.getCategory()));
+        entity.setCategory(categoryEntityMapper.mapTo(product.getCategory()));
         return entity;
     }
 
@@ -36,7 +36,7 @@ public Product mapFrom(ProductEntity entity) {
         product.setDescription(entity.getDescription());
         product.setPrice(entity.getPrice());
         product.setImgUrl(entity.getImgUrl());
-        product.setCategory(categoryMapper.mapFrom(entity.getCategory()));
+        product.setCategory(categoryEntityMapper.mapFrom(entity.getCategory()));
         return product;
     }
 }