add product service, controller, dto, update progress

ShoppingCart/Backend/src/main/java/com/yen/ShoppingCart/controller/ProductController.java

@@ -0,0 +1,42 @@
+package com.yen.ShoppingCart.controller;
+
+import com.yen.ShoppingCart.common.ApiResponse;
+import com.yen.ShoppingCart.model.Category;
+import com.yen.ShoppingCart.model.dto.ProductDto;
+import com.yen.ShoppingCart.service.CategoryService;
+import com.yen.ShoppingCart.service.ProductService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Optional;
+
+@RestController
+@RequestMapping("/product")
+public class ProductController {
+
+    @Autowired
+    ProductService productService;
+
+    @Autowired
+    CategoryService categoryService;
+
+    @PostMapping("/add")
+    public ResponseEntity<ApiResponse> addProduct(@RequestBody ProductDto productDto) {
+
+        // TODO : optimize below
+        Optional<Category> optionalCategory = categoryService.readCategory(productDto.getCategoryId());
+        if (!optionalCategory.isPresent()) {
+            return new ResponseEntity<ApiResponse>(new ApiResponse(false, "category is invalid"), HttpStatus.CONFLICT);
+        }
+
+        Category category = optionalCategory.get();
+        productService.addProduct(productDto, category);
+        return new ResponseEntity<>(new ApiResponse(true, "Product has been added"), HttpStatus.CREATED);
+    }
+
+}

ShoppingCart/Backend/src/main/java/com/yen/ShoppingCart/model/Product.java

@@ -32,6 +32,10 @@ public Product(String name, String imageURL, double price, String description, C
         this.category = category;
     }
 
+    public Product() {
+
+    }
+
     public Integer getId() {
         return id;
     }

ShoppingCart/Backend/src/main/java/com/yen/ShoppingCart/model/dto/ProductDto.java

@@ -0,0 +1,82 @@
+package com.yen.ShoppingCart.model.dto;
+
+import com.sun.istack.NotNull;
+import com.yen.ShoppingCart.model.Product;
+
+public class ProductDto {
+    private Integer id;
+    private @NotNull String name;
+    private @NotNull String imageURL;
+    private @NotNull double price;
+    private @NotNull String description;
+    private @NotNull Integer categoryId;
+
+    public ProductDto(Product product) {
+        this.setId(product.getId());
+        this.setName(product.getName());
+        this.setImageURL(product.getImageURL());
+        this.setDescription(product.getDescription());
+        this.setPrice(product.getPrice());
+        this.setCategoryId(product.getCategory().getId());
+    }
+
+    public ProductDto(@NotNull String name, @NotNull String imageURL, @NotNull double price, @NotNull String description, @NotNull Integer categoryId) {
+        this.name = name;
+        this.imageURL = imageURL;
+        this.price = price;
+        this.description = description;
+        this.categoryId = categoryId;
+    }
+
+    public ProductDto() {
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getImageURL() {
+        return imageURL;
+    }
+
+    public void setImageURL(String imageURL) {
+        this.imageURL = imageURL;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    public void setPrice(double price) {
+        this.price = price;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public Integer getCategoryId() {
+        return categoryId;
+    }
+
+    public void setCategoryId(Integer categoryId) {
+        this.categoryId = categoryId;
+    }
+
+}

ShoppingCart/Backend/src/main/java/com/yen/ShoppingCart/service/ProductService.java

@@ -1,5 +1,8 @@
 package com.yen.ShoppingCart.service;
 
+import com.yen.ShoppingCart.model.Category;
+import com.yen.ShoppingCart.model.Product;
+import com.yen.ShoppingCart.model.dto.ProductDto;
 import com.yen.ShoppingCart.repository.ProductRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -9,4 +12,23 @@ public class ProductService {
 
     @Autowired
     private ProductRepository productRepository;
+
+    public void addProduct(ProductDto productDto, Category category) {
+        Product product = getProductFromDto(productDto, category);
+        productRepository.save(product);
+
+    }
+
+    // local method
+    public static Product getProductFromDto(ProductDto productDto, Category category) {
+        Product product = new Product();
+        product.setCategory(category);
+        product.setDescription(productDto.getDescription());
+        product.setImageURL(productDto.getImageURL());
+        product.setPrice(productDto.getPrice());
+        product.setName(productDto.getName());
+        return product;
+    }
+
 }
+

ShoppingCart/doc/progress.txt

@@ -1,4 +1,7 @@
 # Progress
 
 # 20231126
-- https://dev.to/webtutsplus/let-s-develop-an-e-commerce-application-from-scratch-using-java-1gap
+- https://dev.to/webtutsplus/let-s-develop-an-e-commerce-application-from-scratch-using-java-1gap
+
+# 20231127
+- https://dev.to/nilmadhabmondal/creating-an-ecommerce-frontend-with-vue-js-59o