Added what is finished so far

src/main/java/com/dtcc/projects/productcategories/controllers/AssociationController.java

@@ -1,4 +1,5 @@
 package com.dtcc.projects.productcategories.controllers;
 
 public class AssociationController {
+
 }

src/main/java/com/dtcc/projects/productcategories/controllers/ProductController.java

@@ -1,4 +1,40 @@
 package com.dtcc.projects.productcategories.controllers;
 
+import com.dtcc.projects.productcategories.models.Product;
+import com.dtcc.projects.productcategories.services.ProductService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+
+import java.util.List;
+
+@Controller
 public class ProductController {
+
+    @Autowired
+    private ProductService productService;
+
+    @GetMapping(value = "/")
+    public String getIndexPage(Model model) {
+
+        List<Product> productList=productService.showAll();
+
+        model.addAttribute("products",productList);
+        return "products/index";
+    }
+
+    @GetMapping(value = "/products/newproduct")
+    public String newprod(Model model) {
+        model.addAttribute("newproduct", new Product());
+        return "products/newproduct";
+    }
+
+    @PostMapping(value = "/products/createproduct")
+    public String CreateProduct(@ModelAttribute("newproduct") Product item) {
+        productService.saveProduct(item);
+        return "redirect:/";
+    }
 }

src/main/java/com/dtcc/projects/productcategories/models/Association.java

@@ -1,4 +1,37 @@
 package com.dtcc.projects.productcategories.models;
 
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.Date;
+
+@Data
+@Entity
+@NoArgsConstructor
+@Table(name = "categories_products")
 public class Association {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "Product_ID")
+    private Product productId;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "Category_ID")
+    private Category categoryID;
+
+    @Column(name = "Created_At")
+    private Date createdAt;
+
+    @Column(name = "Updated_At")
+    private Date updatedAt;
+
+    public Association(Product productId, Category categoryID) {
+        this.productId = productId;
+        this.categoryID = categoryID;
+    }
 }

src/main/java/com/dtcc/projects/productcategories/models/Category.java

@@ -1,4 +1,37 @@
 package com.dtcc.projects.productcategories.models;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import javax.persistence.*;
+import java.util.Date;
+import java.util.List;
+
+@Data
+@Entity
+@NoArgsConstructor
 
 public class Category {
-}
+    @Id
+    @GeneratedValue
+    @Column(name = "CATEGORY_ID")
+    private Integer categoryId;
+
+    @Column(name = "CATEGORY_NAME")
+    private String categoryName;
+
+    @Column(name = "CREATED_AT")
+    private Date createdAt;
+
+    @Column(name = "UPDATED_AT")
+    private Date updatedAt;
+
+    @ManyToMany
+    @JoinTable(name = "categories_products", joinColumns = @JoinColumn(name = "category_Id"), inverseJoinColumns = @JoinColumn(name = "product_Id"))
+    private List<Product> productList;
+
+
+    public Category(String value, Date created_at, Date updated_at) {
+        this.categoryName = value;
+        this.createdAt = created_at;
+        this.updatedAt = updated_at;
+    }
+}

src/main/java/com/dtcc/projects/productcategories/models/Product.java

@@ -1,4 +1,48 @@
 package com.dtcc.projects.productcategories.models;
 
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.time.LocalDate;
+import java.util.Date;
+import java.util.List;
+
+
+@Data
+@Entity
+@NoArgsConstructor
 public class Product {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column(name = "PRODUCT_ID")
+    private Long productId;
+
+    @Column(name ="PRODUCT_NAME")
+    private String productName;
+
+    @Column(name ="DESCRIPTION")
+    private String description;
+
+    @Column(name ="PRICE")
+    private Double price;
+
+    @Column(name ="CREATED_AT")
+    private Date createdAt;
+
+    @Column(name = "UPDATED_AT")
+    private Date updatedAt;
+
+
+    @ManyToMany
+    @JoinTable(name="categories_products", joinColumns = @JoinColumn(name ="product_Id"), inverseJoinColumns = @JoinColumn(name = "category_Id"))
+    private List <Category> categoryList;
+    public Product(String productName, String description, Double price, Date createdAt, Date updatedAt) {
+        this.productName = productName;
+        this.description = description;
+        this.price = price;
+        this.createdAt = createdAt;
+        this.updatedAt = updatedAt;
+    }
 }

src/main/java/com/dtcc/projects/productcategories/repositories/AssociationRepository.java

@@ -1,4 +1,10 @@
 package com.dtcc.projects.productcategories.repositories;
 
-public interface AssociationRepository {
+import com.dtcc.projects.productcategories.models.Association;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface AssociationRepository extends CrudRepository<Association, Long> {
+
 }

src/main/java/com/dtcc/projects/productcategories/repositories/CategoryRepository.java

@@ -1,8 +1,16 @@
 package com.dtcc.projects.productcategories.repositories;
 
+import com.dtcc.projects.productcategories.models.Category;
+import com.dtcc.projects.productcategories.models.Product;
+import com.dtcc.projects.productcategories.services.CategoryService;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+import org.springframework.stereotype.Service;
+
 import java.util.List;
 
-public interface CategoryRepository {
+@Repository
+public interface CategoryRepository extends CrudRepository<Category, Long> {
     List<Category> findAll();
-    List<Category> findByProductsNotContains(Product product);
+//    List<Category> findByProductsNotContains(Product product);
 }

src/main/java/com/dtcc/projects/productcategories/repositories/ProductRepository.java

@@ -1,8 +1,14 @@
 package com.dtcc.projects.productcategories.repositories;
 
+import com.dtcc.projects.productcategories.models.Category;
+import com.dtcc.projects.productcategories.models.Product;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
 import java.util.List;
 
-public interface ProductRepository {
+@Repository
+public interface ProductRepository extends CrudRepository<Product, Long> {
     List<Product> findAll();
-    List<Product> findByCategoriesNotContains(Category category);
+//    List<Product> findByCategoriesNotContains(Category category);
 }

src/main/java/com/dtcc/projects/productcategories/services/AssociationService.java

@@ -0,0 +1,22 @@
+package com.dtcc.projects.productcategories.services;
+
+import com.dtcc.projects.productcategories.models.Association;
+import com.dtcc.projects.productcategories.repositories.AssociationRepository;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class AssociationService {
+
+    private AssociationRepository associationRepository;
+
+    @Autowired
+    public AssociationService(AssociationRepository associationRepository) {
+        this.associationRepository=associationRepository;
+    }
+
+    public Association saveAssociation (Association association){
+        return associationRepository.save(association);
+    }
+}

src/main/java/com/dtcc/projects/productcategories/services/CategoryService.java

@@ -0,0 +1,55 @@
+package com.dtcc.projects.productcategories.services;
+
+import com.dtcc.projects.productcategories.models.Category;
+import com.dtcc.projects.productcategories.models.Product;
+import com.dtcc.projects.productcategories.repositories.CategoryRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+import java.util.List;
+
+@Service
+public class CategoryService {
+
+    private CategoryRepository categoryRepository;
+
+    @Autowired
+    public CategoryService(CategoryRepository categoryRepository) {
+        this.categoryRepository=categoryRepository;
+    }
+
+    public List<Category> showAll(){
+        return categoryRepository.findAll();
+    }
+
+    public Category findByID(Long id){
+        return categoryRepository.findById(id).orElse(null);
+    }
+
+    public Category saveCategory(Category category){
+        return categoryRepository.save(category);
+    }
+
+    public Category updateCategory (Long id, String name){
+        Category category=findByID(id);
+        if( name!= null) {
+            category.setCategoryName(name);
+        } else{
+            category.setCategoryName(category.getCategoryName());
+        }
+
+        category.setUpdatedAt(new Date());
+
+        return categoryRepository.save(category);
+    }
+
+    public void deletById (Long id) {
+        categoryRepository.deleteById(id);
+    }
+
+//    public List <Category> findByProductsNotContains(Product product) {
+//        return categoryRepository.findByProductsNotContains(product);
+//    }
+}
+

src/main/java/com/dtcc/projects/productcategories/services/ProductService.java

@@ -0,0 +1,63 @@
+package com.dtcc.projects.productcategories.services;
+
+import com.dtcc.projects.productcategories.models.Category;
+import com.dtcc.projects.productcategories.models.Product;
+import com.dtcc.projects.productcategories.repositories.ProductRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+import java.util.List;
+
+@Service
+
+public class ProductService {
+    private ProductRepository productRepository;
+
+    @Autowired
+    public ProductService(ProductRepository productRepository) {
+        this.productRepository=productRepository;
+    }
+
+    public List<Product> showAll(){
+        return productRepository.findAll();
+    }
+
+    public Product findById(Long id){
+        return productRepository.findById(id).orElse(null);
+    }
+
+    public Product saveProduct(Product product){
+        return productRepository.save(product);
+    }
+
+    public Product updateProduct(Long id, String Name, String description, Double price){
+        Product product= findById(id);
+        if (Name!= null) {
+            product.setProductName(Name);
+        } else {
+            product.setProductName(product.getProductName());
+        }
+        if(description!= null){
+            product.setDescription(description);
+        } else {
+            product.setDescription(product.getDescription());
+        }
+        if(price!= null){
+            product.setPrice(price);
+        } else {
+            product.setPrice(product.getPrice());
+        }
+
+        product.setUpdatedAt(new Date());
+        return productRepository.save(product);
+    }
+
+    public void deleteById(Long id){
+        productRepository.deleteById(id);
+    }
+
+//    public List<Product> findByCategoriesNotContains(Category category) {
+//        return productRepository.findByCategoriesNotContains(category);
+//    }
+}

src/main/resources/application.properties

@@ -1,5 +1,6 @@
 spring.datasource.url=jdbc:mysql://localhost:3306/products?useSSL=false&useLegacyDatetimeCode=false&serverTimezone=UTC
 spring.datasource.username=root
-spring.datasource.password=root
+spring.datasource.password=JanaReemRoot
 spring.jpa.hibernate.ddl-auto=update
-spring.mvc.view.prefix=/WEB-INF/
+spring.mvc.view.prefix=/WEB-INF/
+spring.mvc.view.suffix=.jsp

src/main/webapp/WEB-INF/products/index.jsp

@@ -19,7 +19,7 @@
 		<h2>All Products</h2>
 		<ul>
 		<c:forEach items="${ products }" var="prod">
-			<li><a href="/${ prod.id }">${ prod.name }</a></li>		
+			<li><a href="/${ prod.productId }">${ prod.productName }</a></li>
 		</c:forEach>
 		</ul>
 		<h4> <a href="/products/newproduct">Add Product</a></h4>