Implementation of category creation.

codiki-infrastructure/src/main/java/org/codiki/infrastructure/category/CategoryJpaAdapter.java

@@ -1,5 +1,6 @@
 package org.codiki.infrastructure.category;
 
+import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
 
@@ -22,4 +23,18 @@ public class CategoryJpaAdapter implements CategoryPort {
         return categoryRepository.findById(categoryId)
             .map(CategoryEntity::toDomain);
     }
+
+    @Override
+    public void save(Category category) {
+        CategoryEntity categoryEntity = new CategoryEntity(category);
+        categoryRepository.save(categoryEntity);
+    }
+
+    @Override
+    public List<Category> findAllByIds(final List<UUID> subCategoryIds) {
+        return categoryRepository.findAllById(subCategoryIds)
+            .stream()
+            .map(CategoryEntity::toDomain)
+            .toList();
+    }
 }