Feat/products implementation

[Ali127Hub]

Summary by Sourcery

Implement the products module by defining a JPA entity, repository, and service for managing products

New Features:

• Add ProductEntity with name, description, price, and image fields
• Add ProductRepository for performing CRUD operations on ProductEntity
• Add ProductService with a newProduct method to create and save products

[sourcery-ai]

Reviewer's Guide

Adds a new Product domain model with JPA and Lombok annotations, exposes persistence via a Spring Data JPA repository, and provides a service method to create new product records.

Class diagram for Product domain model and service

classDiagram
    class BaseEntity {
        <<abstract>>
        // (attributes not shown)
    }
    class ProductEntity {
        String name
        String description
        double price
        String image
    }
    class ProductRepository {
        +save(ProductEntity): ProductEntity
    }
    class ProductService {
        -ProductRepository productRepository
        +newProduct(ProductEntity): ProductEntity
    }
    ProductEntity --|> BaseEntity
    ProductRepository <|-- ProductService
    ProductRepository o-- ProductEntity
    ProductService o-- ProductRepository

Loading

File-Level Changes

Change	Details	Files
Define ProductEntity with JPA mappings and Lombok boilerplate	Extended BaseEntity and declared core fields: name, description, price, image Annotated class with @entity, @table, @NoArgsConstructor, @Getter, @Setter Configured non-null constraints on name, description, and price columns	src/main/java/com/github/alideweb/stuffshop/modules/product/entity/ProductEntity.java
Create ProductRepository extending JpaRepository	Declared interface extending JpaRepository<ProductEntity, Long> Annotated repository with @repository	src/main/java/com/github/alideweb/stuffshop/modules/product/ProductRepository.java
Implement ProductService with newProduct() operation	Injected ProductRepository via constructor Implemented newProduct() to save and return a product entity Annotated service with @service and @requiredargsconstructor	src/main/java/com/github/alideweb/stuffshop/modules/product/ProductService.java

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[sourcery-ai]

Hey @AliDeWeb - I've reviewed your changes - here's some feedback:

• Consider using BigDecimal for the price field instead of double to avoid floating‐point precision issues with monetary values.
• Add validation annotations (e.g. @notblank for name/description and @min(0) for price) to enforce basic constraints at the model level.
• It’s generally preferable to follow a consistent naming convention for your table (e.g. singular lower‐case snake_case) rather than "Products".

Prompt for AI Agents

Please address the comments from this code review:
## Overall Comments
- Consider using BigDecimal for the price field instead of double to avoid floating‐point precision issues with monetary values.
- Add validation annotations (e.g. @NotBlank for name/description and @Min(0) for price) to enforce basic constraints at the model level.
- It’s generally preferable to follow a consistent naming convention for your table (e.g. singular lower‐case snake_case) rather than "Products".

## Individual Comments

### Comment 1
<location> `src/main/java/com/github/alideweb/stuffshop/modules/product/entity/ProductEntity.java:17` </location>
<code_context>
+@Getter
+@Setter
+public class ProductEntity extends BaseEntity {
+    @Column(nullable = false)
+    private String name;
+
+    @Column(nullable = false)
+    private String description;
+
+    @Column(nullable = false)
+    private double price;
+
+    private String image;
</code_context>

<issue_to_address>
Consider using BigDecimal for price instead of double.

BigDecimal provides greater accuracy for financial values and helps prevent rounding errors.

Suggested implementation:

```java
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import java.math.BigDecimal;

```

```java
    @Column(nullable = false)
    private BigDecimal price;

```
</issue_to_address>

### Comment 2
<location> `src/main/java/com/github/alideweb/stuffshop/modules/product/entity/ProductEntity.java:26` </location>
<code_context>
+    @Column(nullable = false)
+    private double price;
+
+    private String image;
+}
</code_context>

<issue_to_address>
Clarify the expected format or constraints for the image field.

Specify whether the image field should be a URL, file path, or base64, and add validation to enforce this format.
</issue_to_address>

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[sourcery-ai]

suggestion: Consider using BigDecimal for price instead of double.

BigDecimal provides greater accuracy for financial values and helps prevent rounding errors.

Suggested implementation:

import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import java.math.BigDecimal;

    @Column(nullable = false)
    private BigDecimal price;

[sourcery-ai]

suggestion: Clarify the expected format or constraints for the image field.

Specify whether the image field should be a URL, file path, or base64, and add validation to enforce this format.