package com.educative.ecommerce.service; import com.educative.ecommerce.model.Category; import com.educative.ecommerce.repository.Categoryrepository; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import javax.transaction.Transactional; import java.util.List; import java.util.Optional; @Service public class CategoryService { @Autowired private Categoryrepository categoryrepository; public List<Category> listCategories() { return categoryrepository.findAll(); } public void createCategory(Category category) { categoryrepository.save(category); } public Category readCategory(String categoryName) { return categoryrepository.findByCategoryName(categoryName); } public Optional<Category> readCategory(Integer categoryId) { return categoryrepository.findById(categoryId); } public void updateCategory(Integer categoryID, Category newCategory) { Category category = categoryrepository.findById(categoryID).get(); category.setCategoryName(newCategory.getCategoryName()); category.setDescription(newCategory.getDescription()); category.setImageUrl(newCategory.getImageUrl()); categoryrepository.save(category); } }