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Formative_assessment/src/bookingSystem.java

+import java.util.Scanner;
+import java.util.ArrayList;
+/*
+
+This is a demo of a restaurant booking system (prototype)
+
+Requirements:
+0. Ask for the customers name
+1. Customer chooses seating
+2. Display a menu
+	- Food
+	- Drinks
+	- Item code
+	- Price
+	- Quantity
+3. Order/Basket
+	- Add items
+	- Remove items
+	- Check quantity
+4. Checkout
+5. Confirmation
+
+---------------------------------------------------------------------------------------------------------------------
+
+	Algorithm
+	
+Start
+0. Ask for the customers name
+1. Customer chooses seating:
+	- Ask if customer wants to choose a seat (01 - 41)
+	- Can only choose from available seating (seating already reserved cannot be assigned to while its reserved)
+	- Reserved seats should be marked with an "XX"
+	- Otherwise the customer is allocated to the next available seat 
+2. Display a menu:
+	- Item (food, drinks)
+	- Code (for the item)
+	- Price
+	- Quantity
+3. Order/Basket
+	- Add items from menu to basket (ask for item code and quantity)
+	- Remove items from basket (ask for item code and quantity) 
+	- Check if the quantity is higher than stock - if so reject order otherwise add to basket
+4. Checkout
+	- Display the total cost
+	- Final checkout (ask for payment) 
+	- Empty basket after successful payment 
+	- Reject order if payment unsuccessful or payment amount is less than the cost of the order
+5. Confirmation message:
+	- Display customers name
+	- Seat number 
+	- List of ordered items
+	- Total cost of the order
+
+----------------------------------------------------------------------------------------------------
+
+Errors/things that still need finishing:
+	- after initial run - menu and seating array runs multiple times - loops itself?
+	- make code choose next available seat if option is chosen
+	- remove items method doesnt remove items
+	- make it empty basket after purchase
+
+*/
+
+public class bookingSystem {
+	
+	//Deals with the inputs
+	static Scanner input = new Scanner(System.in);
+	
+	//Arrays used to hold the menu items name, code, price, quantity, and seat
+	static ArrayList<String>  itemName  = new ArrayList<String>();//Name
+	static ArrayList<Integer> itemCode  = new ArrayList<Integer>();//Code
+	static ArrayList<Float>   itemPrice = new ArrayList<Float>();//Price
+	static ArrayList<Integer> itemQty   = new ArrayList<Integer>();//Quantity
+	static ArrayList<String>  Seat      = new ArrayList<String>();//Seat
+
+	//Holds information for the basket 
+	static ArrayList<String>  basketName  = new ArrayList<String>();//Name
+	static ArrayList<Integer> basketCode  = new ArrayList<Integer>();//Code
+	static ArrayList<Float>   basketPrice = new ArrayList<Float>();//Price
+	static ArrayList<Integer> basketQty   = new ArrayList<Integer>();//Quantity
+
+
+	public static void main(String[] args) {
+		String Name;
+		int Start;
+		
+			//Seating array
+		String seating[][] = {{"01", "02", "03", "04", "05", "06", "07"},
+				  {"08", "09", "10", "11", "12", "13", "14"},
+				  {"15", "16", "17", "18", "19", "20", "21"},
+				  {"22", "23", "24", "25", "26", "27", "28"},
+				  {"29", "30", "31", "32", "33", "34", "35"},
+				  {"36", "37", "38", "39", "40", "41", "42"},
+				  {" ", " ", " ", " ", " ", " ", " "}};//last column wouldnt print out without this row
+	
+		
+		while(true){
+				//0. Ask for the customers name	
+			System.out.println("PLease enter your name");
+			Name = input.next();
+	
+			
+				//Prints out the seating arrangement - each seat enclosed by []
+			for(int i = 0; i < 6; i++) {
+				for(int j = 0; j <= 6; j++) {
+					System.out.print("[" + seating[i][j] + "]");
+				}
+				System.out.println();
+			}//End of for loop
+			
+			
+				//Asks customer if they wish to book a seat
+			System.out.println("Would you like to reserve a seat? \t1:Yes \t2:No");
+			Start = input.nextInt();
+			
+			
+			if(Start == 1) {
+				System(seating);
+				
+				Menu();
+				
+				Basket();
+				
+				Confirmation(Name);
+				
+			}
+			else {
+				break;
+			}
+			
+
+			// break;
+			
+		}//End of while loop
+		
+	}//End of main method
+
+
+	//1. Customer chooses seating
+	private static void System(String[][] seating) {
+		int seatChoice, X, Y;
+		String seatNum, seat;
+		
+		//Decides between choice of seat or automatic choice
+		System.out.println("Would you like to choose the seat? \t1:Yes \t2:No");
+		seatChoice = input.nextInt();
+		
+		switch(seatChoice) {
+		
+		case 1:
+/*			
+	Test for picking seat number
+	
+			System.out.println("Please choose a seat");
+			seatNum = input.next();	
+			for(int i = 0; i < 6; i++) {
+				for(int j = 0; j <= 6; j++) {
+					if(seating[i][j].contentEquals(seatNum)) {
+						//Assigns XX to chosen seat
+						seating[i][j] = "XX"; //Assigns seat position with XX
+					}//End of if seating = seatNum
+				}
+			}//End of for loops
+*/			
+			
+			
+			//Asks customer which seat they would like (using coordinates)
+			System.out.println("Please enter an x coordinate");
+			X = input.nextInt();
+			
+			System.out.println("Please enter a y coordinate");
+			Y = input.nextInt();
+			
+				//Checks if position = XX already 
+			if(seating[Y][X].contentEquals("XX")) {
+				//If position = XX then this method is ran again until the user enters available seat
+				System.out.println("This seat is already reserved, try again");
+				System.out.println();
+				System(seating);
+				break;
+			}
+			
+			Seat.add(seating[Y][X]);
+			seating[Y][X] = "XX"; //Assigns seat position with XX
+			break;
+			
+		case 2:
+			//Iterates through the array seating
+			for(int i = 0; i < 6; i++) {
+				for(int j = 0; j < 6; j++) {
+					
+					//Apply XX to next available seat
+					
+					seating[0][0] = "XX"; // Temporary
+
+				}
+			}//End of for loop
+			break;
+			
+		}//End of switch
+		
+			
+			//Prints out the seating arrangement - each seat enclosed by []
+		for(int i = 0; i < 6; i++) {
+			for(int j = 0; j <= 6; j++) {
+				System.out.print("[" + seating[i][j] + "]");
+			}
+			System.out.println();
+		}//End of for loop
+			
+	}//End of System method
+
+	
+	//2. Menu
+	private static void Menu() {
+		//Display a menu - item, code, price, quantity
+		System.out.println("\n\t\t|Menu|");
+		
+		itemName.add("Pizza\t");
+		itemCode.add(1);
+		itemPrice.add((float) 10.00);
+		itemQty.add(50);
+		
+		itemName.add("Steak\t");
+		itemCode.add(2);
+		itemPrice.add((float) 7.00);
+		itemQty.add(50);
+		
+		itemName.add("Sandwich");
+		itemCode.add(3);
+		itemPrice.add((float) 5.00);
+		itemQty.add(50);
+		
+		itemName.add("Water\t");
+		itemCode.add(4);
+		itemPrice.add((float) 1.00);
+		itemQty.add(30);
+		
+		itemName.add("Soft drink");
+		itemCode.add(5);
+		itemPrice.add((float) 2.00);
+		itemQty.add(30);
+		
+		itemName.add("Tea\t");
+		itemCode.add(6);
+		itemPrice.add((float) 2.00);
+		itemQty.add(20);
+		
+		itemName.add("Coffee");
+		itemCode.add(7);
+		itemPrice.add((float) 2.00);
+		itemQty.add(20);
+		
+		itemName.add("Ice cream");
+		itemCode.add(8);
+		itemPrice.add((float) 2.00);
+		itemQty.add(20);
+		
+		itemName.add("Chocolate");
+		itemCode.add(9);
+		itemPrice.add((float) 2.00);
+		itemQty.add(20);
+		
+		System.out.println( "Code \t: Name \t\t: Price \t: Qty" );
+		for( int i=0; i< itemName.size(); i++ ) {
+		
+		System.out.println(itemCode.get(i) + " \t: " + itemName.get(i) + "\t: " + itemPrice.get(i) + " \t\t:" + itemQty.get(i));	
+		
+		}
+	}//End of Menu method
+	
+	
+	//3. Basket
+	private static void Basket() {
+		int tempItemCode, tempItemQty;
+		
+		while(true) {	
+			//Ask the user to enter item code
+			System.out.println("Please enter an item code to select the item, 0 for checkout, or -1 to remove items");
+			//Enter item code - adds the item to the basket
+			tempItemCode = input.nextInt() ;  
+			
+	 		if(tempItemCode == 0) {     
+				   Checkout();
+				 //Termination point
+				 break;
+			}
+	 		else if(tempItemCode == -1) {
+	 			removeItem();
+	 			break;
+	 		}
+			else {
+				//Asks for quantity
+				System.out.println("How many would you like to order?");
+				tempItemQty = input.nextInt();
+
+			 //	Checks if there is enough
+				if(itemQty.get(tempItemCode) >= tempItemQty ) {			
+					//If enough then add it to the basket
+					addItem(tempItemCode, tempItemQty);
+					}
+	 			else{
+	 				System.out.println("Not enough stock");
+	 			}
+				displayOrder();
+			}
+	 		
+		}
+	}//END of basket
+
+
+	//4. Checkout
+	private static void Checkout() {
+		float bill = 0, amount, excess, change;
+		
+		//Total cost of the order/basket
+		for( int i=0; i< basketName.size(); i++ ) {
+			bill += basketPrice.get(i); 
+		}
+			
+		//Display the bill
+		System.out.println("Total cost is " + bill);
+			
+		//Ask the user to enter the amount payed
+		System.out.println("Please enter the amount being paid");
+			
+		//Get the amount from the customer
+		amount = input.nextFloat();
+			
+
+		//If there is change, gives customer their change
+		if(amount > bill) {
+			System.out.println("Your change is  " + (amount - bill) );
+				
+			//Asks them to take their seat
+			System.out.println("Thank you, please take your seat.");
+			System.out.println();
+		}//End of if statement
+			
+		//If customer enters less than cost
+		else if(amount < bill) {
+			change = bill - amount; //The difference between the cost of the bill and the amount entered by the user.
+				
+			//Iterates until the user has entered enough money to pay for the items
+			for(int i=0; change<=bill; i++) {
+				System.out.println("You have not paid the full amount \nPlease enter the other £" + change);
+				excess = input.nextFloat();
+				change = change - excess;
+					
+				//If the user enters enough money, they will receive their change
+				if(change <= 0) {
+					System.out.println("Your change is £" + (change*-1));//Converts left over change into positive number
+					break;
+				}
+			}//End of for loop
+			System.out.println("Thank you, please take your seat. \n");
+		}//End of if else
+		
+		
+		
+		
+		
+	}// End of payment method
+	
+	
+	//5. Confirmation message
+	private static void Confirmation(String Name) {
+		float bill = 0;
+		
+		//Total cost of the order/basket
+		for( int i=0; i< basketName.size(); i++ ) {
+			bill += basketPrice.get(i); 
+		}
+		
+		
+		
+		//Start of receipt
+		System.out.println("-----------------------\n\tReceipt\n-----------------------");
+		
+		//Prints customers name
+		System.out.println(Name + "\n");
+		
+		//Prints customers seat number
+		System.out.println("Seat number:\t" + Seat);
+		
+		//Prints customers order
+		System.out.println("\nOrder:");
+		for( int i=0; i< basketName.size(); i++ ) {
+			System.out.println(basketName.get(i) + "\tx" + basketQty.get(i) + "\t:£" + basketPrice.get(i));
+		}
+		
+		//Prints out the total cost
+		System.out.print("\nTotal: £" + bill + "\n");
+		
+		//End of receipt
+		System.out.println("-----------------------");
+		
+	}//End of Confirmation method
+	
+	
+	//Lets customer remove items they no longer want
+	private static void removeItem() {
+		//Displays the current order
+		displayOrder();
+		int tempItemCode, tempItemQty;
+		
+		//User enters the code for the item they want to remove
+		System.out.println("Please enter an item code to select an item");
+		tempItemCode = input.nextInt();
+		
+		//User enters the amount of the chosen item they wish to remove
+		System.out.println("How many would you like to remove?");
+		tempItemQty = input.nextInt();
+			
+		//Removes chosen items and quantity 
+		basketCode.remove(tempItemCode);
+		basketName.remove(itemName.get(tempItemCode));
+		basketQty.remove(tempItemQty);
+		basketPrice.remove(tempItemQty * itemPrice.get(tempItemCode));
+		
+		
+		
+		
+		
+		Basket();
+	}
+
+	
+	//Adds input items to the basket
+	private static void addItem(int tempItemCode, int tempItemQty) {
+		basketCode.add(tempItemCode);
+		basketName.add(itemName.get(tempItemCode));
+		basketQty.add(tempItemQty);
+		basketPrice.add(tempItemQty * itemPrice.get(tempItemCode));
+	}//End of method
+	
+	
+	//Displays the items you order 
+	private static void displayOrder() {
+			
+		System.out.println("Code \t: Name \t\t: Price \t: Qty");
+		
+			for( int i=0; i< basketName.size(); i++ ) {
+				System.out.println(basketCode.get(i) + " \t: " + basketName.get(i) + "\t: " + basketPrice.get(i) + " \t\t:" + basketQty.get(i)  );		
+			}
+	}//End of display order method
+
+	
+}//End of bookingSystem class