Project : Ecommerce Store using JAVA

package EcommerceWebsite;

import java.util.Scanner;

/*
* Ask which type of user are you? Customer, Seller, Administrator
* User- Customer, Seller, Administrator
* Customer- View products, View cart, Contact Us.
* View products- Add the product to the cart, View cart- Checkout.
* Seller- View your products, Add a product, Contact Us
* View your products- delete this product. Add a product- Submit details of the product.
* Administrator- ...
* Product
* Category
* Cart
* Order
*/
public class Store {
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();
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) {
System.out.println("Thank You For Visit!");
break;
} else {
System.out.println("Invalid input! Please try again");
}
}
}
} else if (choice == 2) {
Seller currentSeller = new Seller();
System.out.println("Enter your Seller id");
sc.nextLine();
currentSeller.setUserId(sc.nextLine());
System.out.println("What is your passWord?");
sc.nextLine();
if (currentSeller.verifyUser() == true) {
System.out.println("Seller Verified");
while (true) {
System.out.println(
"Do you want to - 1. Add a Product 2.Contact ECom Company 3.View Addded Products 4.Exit");
int Sellerchoice = sc.nextInt();
if (Sellerchoice == 1) {
System.out.println(
"Choose category you want to add product to : 1. Glocery 2. Electronics 3. Books");
int sellerCatgchoice = sc.nextInt();
if (sellerCatgchoice == 1) {
System.out.println(
"Choose sub-category you want to add product to : 1. Atta 2. Rice 3. Oil");
int sellerSubCatgchoice = sc.nextInt();
if ((sellerSubCatgchoice == 1) || (sellerSubCatgchoice == 2)
|| (sellerSubCatgchoice == 3)) {
addSellerProducts();
}
} else if (sellerCatgchoice == 2) {
System.out.println(
"Choose sub-category you want to add product to : 1. Mobiles 2. Laptops 3. TVs");
int sellerSubCatgchoice = sc.nextInt();
if ((sellerSubCatgchoice == 1) || (sellerSubCatgchoice == 2)
|| (sellerSubCatgchoice == 3)) {
addSellerProducts();
}
} else if (sellerCatgchoice == 3) {
System.out.println(
"Choose sub-category you want to add product to : 1. Adventure 2. Mythology 3. Fiction");
int sellerSubCatgchoice = sc.nextInt();
if ((sellerSubCatgchoice == 1) || (sellerSubCatgchoice == 2)
|| (sellerSubCatgchoice == 3)) {
addSellerProducts();

}

} else {
System.out.println("Invalid input! Please try again!");
}
}

else if (Sellerchoice == 2) {
System.out.println(
"Please contact us by mail for any seller related queries : [email protected]");
} else if (Sellerchoice == 4) {
System.out.println("Thank You For Visit!");
break;
} else {
System.out.println("Invalid input! Please try again");
}
}
}
}
// if User is Administrator
else if (choice == 3) {
Admin currentAdmin = new Admin();
System.out.println("Enter your Admin UserId?");
sc.nextLine();
currentAdmin.setUserId(sc.nextLine());
System.out.println("What is your passWord?");
sc.nextLine();
if (currentAdmin.verifyUser() == true) {
System.out.println("Admin verified!");
while (true) {
System.out.println(
"Do you want to- 1. View products 2. Contact to Seller 3.Contact to Customer 4. Exit");
int Adminchoice = sc.nextInt();
if (Adminchoice == 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());
}
}

else if (Adminchoice == 2) {
System.out.println("To contact Seller, please email on [email protected]");
} else if (Adminchoice == 3) {
System.out.println("To Contact Customer- Customer Data on this Portal: CustomerDataStore.Org ");
} else if (Adminchoice == 4) {
System.out.println("Thank you !!");
break;
} else
System.out.println("Invalid choice, please try again.");
}
}
} else {
System.out.println("Invalid input. Try again");
}
}

// Add Seller Products
private static void addSellerProducts() {
System.out.println("Enter the id of the new product");
Scanner sc = new Scanner(System.in);
String newProductId = sc.nextLine();
System.out.println("Enter the name of the new product");
String newProductName = sc.nextLine();
System.out.println("Enter the cost of the new product");
String newProductCost = sc.nextLine();
Product newProduct = new Product();
newProduct.setProductId(newProductId);
newProduct.setProductName(newProductName);
newProduct.setCost(newProductCost);
System.out.println("Your new added product is " + newProduct.getProductId() + " " + newProduct.getProductName()
+ " " + newProduct.getCost());
}

}