Robin Kaga

domain-model.md

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+
+## Item Class
+
+| Methods                | Variables         | Scenario                           | Output         |
+|------------------------|-------------------|------------------------------------|----------------|
+|                        | `String sku `     |                                    |                |
+|                        | `String name `    |                                    |                |
+|                        | `String variant ` |                                    |                |
+|                        | `float price `    |                                    |                |
+| `String getSku() `     |                   | Want to get the id of an item      | Return sku     |
+| `String getName() `    |                   | Want to get the name of an item    | Return name    |
+| `String getVariant() ` |                   | Want to get the variant of an item | Return variant |
+| `float getPrice() `    |                   | Want to get the price of an item   | Return price   |
+|                        |                   |                                    |                |
+|                        |                   |                                    |                |
+|                        |                   |                                    |                |
+
+
+## Basket Class
+
+| Methods                            | Variables                | Scenario                             | Output                         |
+|------------------------------------|--------------------------|--------------------------------------|--------------------------------|
+|                                    | `ArrayList<Item> items ` |                                      |                                |
+|                                    | `boolean isFull `        |                                      |                                |
+|                                    | `int capacity `          |                                      |                                |
+|                                    |                          |                                      |                                |
+| `void addItem(String itemSku) `    |                          | Want to add item to basket with room | Adds item to basket            |
+|                                    |                          | Want to add item to full basket      | Informs about full basket      |
+| `void removeItem(String itemSku) ` |                          | Want to remove existing item         | Removes item from basket       |
+|                                    |                          | Want to remove non-existent item     | Inform about non-existing item |
+| `void checkCapacity() `            |                          | Want to check if basket is full      | Updated isFull if needed       |
+| `void changeCapacity(int newCap) ` |                          | Want to change basket capacity       | Change capacity to newCap      |
+| `float totalCost() `               |                          | Want to know cost of basket          | Add together and return sum    |
+| `boolean containsItem() `          |                          | Item is in basket                    | True                           |
+|                                    |                          | Item is not in basket                | False                          |
+| `boolean containsItem() `          |                          | Item is in basket                    | True                           |
+
+
+## Inventory Class
+
+| Methods                               | Variables                                    | Scenario                           | Output                          |
+|---------------------------------------|----------------------------------------------|------------------------------------|---------------------------------|
+|                                       | `HashMap<String item, int stock> inventory ` |                                    |                                 |
+| `void addItem(String itemSku) `       |                                              | Want to add item to inventory      | Updates inventory               |
+| `void removeItem(String itemSku) `    |                                              | Want to remove item from inventory | Updates inventory               |
+

src/main/java/com/booleanuk/core/Basket.java

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+package com.booleanuk.core;
+
+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class Basket {
+    private ArrayList<Item> items = new ArrayList<>();
+    private int capacity = 10;
+    private boolean isFull;
+    private Inventory inventory = new Inventory();
+
+    public Basket(Inventory inventory){
+        this.isFull = false;
+        this.inventory = inventory;
+    }
+
+    public Inventory getInventory(){
+        return this.inventory;
+    }
+
+    public ArrayList<Item> getItems(){
+        return items;
+    }
+
+    public boolean getIsFull(){
+        return isFull;
+    }
+
+    public int getCapacity(){
+        return capacity;
+    }
+
+    public void checkCapacity(){
+        if (items.size() == capacity){
+            isFull = true;
+            return;
+        }
+        isFull = false;
+    }
+
+    public boolean containsItem(String itemSku){
+        for (Item item : items){
+            if (item.getSku().equals(itemSku)){
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public void addItem(String itemSku){
+        checkCapacity();
+        if (isFull){
+            System.out.println("Your basket is full, cant add item!");
+            return;
+        }
+        if (inventory.getItemStock(itemSku) == 0){
+            System.out.println("No stock left for chosen item!");
+            return;
+        }
+        Item item = new Item(itemSku);
+        System.out.println(item.getVariant() + " " + item.getName() + " price: $" + item.getPrice());
+        System.out.println("Do you want to add " + item.getVariant()
+                + " " + item.getName() +" to the basket? (yes/no): ");
+
+        Scanner scanner = new Scanner(System.in);
+        String userInput = scanner.nextLine().trim().toLowerCase();
+
+        if (userInput.equals("yes")) {
+            items.add(item);
+            inventory.removeStockItem(itemSku, 1);
+            System.out.println(item.getVariant() + " " + item.getName() + " added to the basket.");
+        } else {
+            System.out.println(item.getVariant() + " " + item.getName() + " not added to the basket.");
+        }
+    }
+
+    public void removeItem(String itemSku){
+        for (Item item : items){
+            if (item.getSku().equals(itemSku)){
+                items.remove(item);
+                inventory.addStockItem(itemSku, 1);
+                return;
+            }
+        }
+        System.out.println("This item does not exist in the basket!");
+    }
+
+    public void changeCapacity(int newCap){
+        this.capacity = newCap;
+    }
+
+    public float totalCost(){
+        float total = 0;
+        for (Item item : items){
+            total += item.getPrice();
+        }
+        return total;
+    }
+}

src/main/java/com/booleanuk/core/Inventory.java

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+package com.booleanuk.core;
+
+import java.util.HashMap;
+
+public class Inventory {
+    private HashMap<String, Integer> stock = new HashMap<>();
+
+
+    public Inventory(){
+
+    }
+
+    public int getStockSize(){
+        return this.stock.size();
+    }
+
+    public int getItemStock(String sku){
+        return this.stock.get(sku);
+    }
+
+    public void addStockItem(String sku, int amount){
+        if (!stock.containsKey(sku)){
+            stock.put(sku, amount);
+            return;
+        }
+        stock.put(sku, stock.get(sku) + amount);
+    }
+
+    public void removeStockItem(String sku, int amount){
+        if (stock.containsKey(sku) && stock.get(sku) >= amount){
+            stock.put(sku, stock.get(sku) - amount);
+            if (stock.get(sku) == 0){
+                stock.remove(sku);
+            }
+            return;
+        }
+        System.out.println("Not enough stock in inventory!");
+    }
+
+
+}

src/main/java/com/booleanuk/core/Item.java

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+package com.booleanuk.core;
+
+public class Item {
+    private String sku;
+    private String name;
+    private String variant;
+    private float price;
+
+    public Item(String sku) {
+        this.sku = sku;
+
+        if (sku.equals("BGLO")) {
+            this.name = "Bagel";
+            this.variant = "Onion";
+            this.price = 0.49f;
+        } else if (sku.equals("BGLP")) {
+            this.name = "Bagel";
+            this.variant = "Plain";
+            this.price = 0.39f;
+        } else if (sku.equals("BGLE")) {
+            this.name = "Bagel";
+            this.variant = "Everything";
+            this.price = 0.49f;
+        } else if (sku.equals("BGLS")) {
+            this.name = "Bagel";
+            this.variant = "Sesame";
+            this.price = 0.49f;
+        } else if (sku.equals("COFB")) {
+            this.name = "Coffee";
+            this.variant = "Black";
+            this.price = 0.99f;
+        } else if (sku.equals("COFW")) {
+            this.name = "Coffee";
+            this.variant = "White";
+            this.price = 1.19f;
+        } else if (sku.equals("COFC")) {
+            this.name = "Coffee";
+            this.variant = "Capuccino";
+            this.price = 1.29f;
+        } else if (sku.equals("COFL")) {
+            this.name = "Coffee";
+            this.variant = "Latte";
+            this.price = 1.29f;
+        } else if (sku.equals("FILB")) {
+            this.name = "Filling";
+            this.variant = "Bacon";
+            this.price = 0.12f;
+        } else if (sku.equals("FILE")) {
+            this.name = "Filling";
+            this.variant = "Egg";
+            this.price = 0.12f;
+        } else if (sku.equals("FILC")) {
+            this.name = "Filling";
+            this.variant = "Cheese";
+            this.price = 0.12f;
+        } else if (sku.equals("FILX")) {
+            this.name = "Filling";
+            this.variant = "Cream Cheese";
+            this.price = 0.12f;
+        } else if (sku.equals("FILS")) {
+            this.name = "Filling";
+            this.variant = "Smoked Salmon";
+            this.price = 0.12f;
+        } else if (sku.equals("FILH")) {
+            this.name = "Filling";
+            this.variant = "Ham";
+            this.price = 0.12f;
+        } else {
+            throw new IllegalArgumentException("Invalid SKU: " + sku);
+        }
+    }
+
+    public String getSku() {return sku;}
+
+    public String getName() {return name;}
+
+    public String getVariant() {return variant;}
+
+    public float getPrice() {return price;}
+}