Ambika Rawat
Java Developer | Spring Boot & REST API Development
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Completing the E-Commerce Backend with Repository Layer.
ProductRepository with custom findByCategoryId + pagination.
CategoryRepository for basic operations.
Full layered architecture done.😊
Product & Category Entity Design.
ManyToOne & OneToMany relationship.
Proper JoinColumn mapping.
@JsonBackReference to prevent infinite loop.
Clean and simple structure.
Spring Boot + JPA
Clean Service Layer in my E-Commerce project.
Moved all business logic to service classes:
CategoryService .
ProductService (With pagination & category filter).
This keeps the controller clean and code more maintainable.
Tech: Spring Boot + Spring Data JPA
Pagination + Sorting in my E-Commerce backend.
Implemented dynamic pagination and sorting in the Product APIs using Spring Data.
Features:
Page number & page size control.
Sort by any field (id, name, price etc.)
Ascending / Descending order.
Filter products by Category with...
Here's how I seed sample products in my E-Commerce backend.
I used a DataSeeder class that implements CommandLineRunner to automatically create categories and products when the application starts.
Categories: Electronics, Home & Kitchen, Clothing.
Products: Smartphone, Laptop,...
