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unique-categoryName-updateCategory-CategoryServiceImpl #1

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8 changes: 8 additions & 0 deletions sb-ecom/src/main/java/com/ecommerce/project/service/CategoryServiceImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,14 @@ public CategoryDTO updateCategory(CategoryDTO categoryDTO, Long categoryId) {
.orElseThrow(() -> new ResourceNotFoundException("Category","categoryId",categoryId));

Category category = modelMapper.map(categoryDTO, Category.class);

//To implement unique categoryName before updating the record.
Category savedCategoryName = categoryRepository.findByCategoryName(category.getCategoryName());

if(savedCategoryName != null){
throw new APIException("Category with name " + category.getCategoryName() + " already exists!");
}

category.setCategoryId(categoryId);
savedCategory = categoryRepository.save(category);
return modelMapper.map(savedCategory, CategoryDTO.class);
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