Project 1

package com.company;

import java.util.Scanner;

public class Main {

public static void main(String[] args) {
System.out.println("Welcome to the ecommerce store!");
System.out.println("Which user are you? 1. Customer 2. Seller 3. Admin");
Scanner sc = new Scanner(System.in);
int choice = sc.nextInt();
String typeOfUser;
if (choice == 1) {
typeOfUser = "Customer";
Customer current = new Customer();
System.out.println("What is your userId?");
sc.nextLine();
current.setUserId(sc.nextLine());
System.out.println("What is your passWord?");
sc.nextLine();
current.setPassword(sc.nextLine());
if (current.verifyUser() == true) {
System.out.println("User verified!");
while (true) {

System.out.println("Do you want to- 1. View products 2. View Cart 3. Contact Us 4. Exit");
choice = sc.nextInt();
if (choice == 1) {
Catalogue catalogue = new Catalogue();
Product[] allProducts = catalogue.getListofAllProducts();
for (int i = 0; i < allProducts.length; i++) {
System.out.println(allProducts[i].getProductId() + " " + allProducts[i].getProductName()
+ " " + allProducts[i].getCost());
}
System.out.println("Do you want to add any product to the cart? Y/N");
sc.nextLine();
String addToCart = sc.nextLine();
if (addToCart.equals("Y")) {
System.out.println("Input the product id of the product which you want to add to cart.");
String productId = sc.nextLine();
Product[] cartProducts = new Product[1];
for (int i = 0; i < allProducts.length; i++) {
if (allProducts[i].getProductId().equals(productId)) {
cartProducts[0] = allProducts[i];
}
}

Cart cart = new Cart();
cart.setCartId("1");
cart.setListOfProducts(cartProducts);
current.setCart(cart);
System.out.println("The product is successfully added to the cart");

}
}

else if (choice == 2) {
Product[] cartProducts = current.getCart().getListOfProducts();
System.out.println(current.getCart().getCartId());
for (int i = 0; i < cartProducts.length; i++) {
System.out.println(cartProducts[i].getProductId() + " " + cartProducts[i].getProductName()
+ " " + cartProducts[i].getCost());
}
System.out.println("Do you want to checkout? Y/N");
sc.nextLine();
String checkout = sc.nextLine();
if (checkout.equals("Y"))
if (current.getCart().checkOut())
// Create an order object and assign this user to the order with an order id
System.out.println("Your order is placed successfully");

} else if (choice == 3) {
System.out.println("To contact us, please email on [email protected]");
} else if (choice == 4)
break;
else
System.out.println("Invalid choice, please try again.");

}
}
}
else if (choice == 2)
typeOfUser = "Seller";
System.out.println("Do you want to- 1. View products 2. View Cart 3. Contact Us 4. Exit");
else if (choice == 3)
typeOfUser = "Admin";
else
System.out.println("Invalid input. Try again");
}
}

package com.company;

public class Catalogue {
private Product[] listofAllProducts;

public Product[] getListofAllProducts() {
Product product1 = new Product();
product1.setProductId("1");
product1.setProductName("Product 1");
product1.setCost("100");
Product product2 = new Product();
product2.setProductId("2");
product2.setProductName("Product 2");
product2.setCost("200");
listofAllProducts = new Product[2];
listofAllProducts[0] = product1;
listofAllProducts[1] = product2;
return listofAllProducts;
}

public void setListofAllProducts(Product[] listofAllProducts) {
this.listofAllProducts = listofAllProducts;
}
}

package com.company;

public class Product {
private String productId;
private String cost;
private String productName;
private Seller seller;

public Seller getSeller() {
return seller;
}

public void setSeller(Seller seller) {
this.seller = seller;
}

public String getProductId() {
return productId;
}

public void setProductId(String productId) {
this.productId = productId;
}

public String getCost() {
return cost;
}

public void setCost(String cost) {
this.cost = cost;
}

public String getProductName() {
return productName;
}

public void setProductName(String productName) {
this.productName = productName;
}
}

package com.company;

public class Seller extends User{
private Product [] productsListed;

@Override
public Boolean verifyUser() {
return true;
}
public Product[] getProductsListed() {
return productsListed;
}
public void setProductsListed(Product[] productsListed) {
this.productsListed = productsListed;
}

}

package com.company;

public class Customer extends User {
private Cart cart;

public Cart getCart() {
return cart;
}

public void setCart(Cart cart) {
this.cart = cart;
}

@Override
public Boolean verifyUser() {
return true;
}
}

package com.company;

public class Cart {
private String cartId;

public String getCartId() {
return cartId;
}

public void setCartId(String cartId) {
this.cartId = cartId;
}

private Product[] listOfProducts;

public Product[] getListOfProducts() {
return listOfProducts;
}

public void setListOfProducts(Product[] listOfProducts) {
this.listOfProducts = listOfProducts;
}
public Boolean checkOut() {
return true;
}
}

package com.company;

public abstract class User {
String userId = "";
String password = "";
String loginStatus = "";

abstract Boolean verifyUser();

public String getUserId() {
return userId;
}

public void setUserId(String userId) {
this.userId = userId;
}

public String getPassword() {
return password;
}

public void setPassword(String password) {
this.password = password;
}

public String getLoginStatus() {
return loginStatus;
}

public void setLoginStatus(String loginStatus) {
this.loginStatus = loginStatus;
}

}