Marcus Ikdal

.gitignore

@@ -20,4 +20,7 @@ gradle-app.setting
 # JDT-specific (Eclipse Java Development Tools)
 .classpath
 
-.idea
+.idea
+
+bin/
+.settings/

domain-model.md

@@ -0,0 +1,68 @@
+# Domain model
+
+## Item
+
+| Method       | Variable       | Scenario | Output       |
+| ------------ | -------------- | -------- | ------------ |
+|              | SKU sku        |          |              |
+|              | float price    |          |              |
+|              | String type    |          |              |
+|              | String variant |          |              |
+| getSku()     |                |          | return sku   |
+| getPrice()   |                |          | return price |
+| getType()    |                |          | return type  |
+| getVariant() |                |          | return price |
+
+## Basket
+
+| Method              | Variable               | Scenario                                    | Output                              |
+| ------------------- | ---------------------- | ------------------------------------------- | ----------------------------------- |
+|                     | Inventory inventory    |                                             |                                     |
+|                     | int capacity           |                                             |                                     |
+|                     | ArrayList\<Item> items |                                             |                                     |
+| addItem(Item item)  |                        | basket is not full and item is in inventory | add item to items, return true      |
+| addItem(Item item)  |                        | item is not in inventory                    | return false                        |
+| addItem(Item item)  |                        | basket is full                              | return false                        |
+| removeItem(SKU sku) |                        | item exists in basket                       | remove item from items, return true |
+| removeItem(SKU sku) |                        | item doesn't exist in basket                | return false                        |
+| getTotalCost()      |                        |                                             | return total cost of items          |
+| getItems()          |                        |                                             | return items                        |
+
+## Inventory
+
+| Method                           | Variable                     | Scenario          | Output                              |
+| -------------------------------- | ---------------------------- | ----------------- | ----------------------------------- |
+|                                  | HashMap<SKU, Integer> invMap |                   |                                     |
+| checkStock(SKU sku)              |                              | in stock          | return true                         |
+| checkStock(SKU sku)              |                              | not in stock      | return false                        |
+| addStock(SKU sku, int amount)    |                              | amount > 0        | add item to invMap, return true     |
+| addStock(SKU sku, int amount)    |                              | amount <= 0       | return false                        |
+| removeStock(SKU sku, int amount) |                              | item in stock     | remove item from stock, return true |
+| removeStock(SKU sku, int amount) |                              | item not in stock | return false                        |
+
+## Receipt
+
+### User stories
+
+As a member of the public,
+So I can assess the damage after paying,
+I'd like to see the total cost of my order on the receipt.
+
+As a member of the public,
+So I can check if my order was handled correctly,
+I'd like to see all items in my order listed on the receipt.
+
+As a member of the public,
+So I can double check the total cost,
+I'd like to see the individual price of every item listed on the receipt.
+
+As a member of the public,
+So I can keep my finances in order,
+I'd like to see the time of my purchase listed on the receipt.
+
+| Method         | Variable         | Scenario | Output                    |
+| -------------- | ---------------- | -------- | ------------------------- |
+|                | Basket basket    |          |                           |
+|                | String time      |          |                           |
+| printReceipt() |                  |          | print receipt to terminal |
+| getReceipt()   |                  |          | return receipt String     |

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

@@ -0,0 +1,7 @@
+package com.booleanuk.core;
+
+public class Bagel extends Item {
+    public Bagel(SKU sku) {
+        super(sku);
+    }
+}

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

@@ -0,0 +1,47 @@
+package com.booleanuk.core;
+
+import java.util.ArrayList;
+
+public class Basket {
+    private Inventory inventory;
+    private int capacity;
+    private ArrayList<Item> items = new ArrayList<>();
+
+    public Basket(Inventory inventory, int capacity) {
+        this.inventory = inventory;
+        this.capacity = capacity;
+    }
+
+    boolean addItem(Item item) {
+        // if basket is not full and item is in stock
+        if (items.size() < capacity && inventory.checkStock(item.getSku())) {
+            items.add(item);
+            inventory.removeStock(item.getSku(), 1); // remove item from stock
+            return true;
+        }
+        return false;
+    }
+
+    boolean removeItem(SKU sku) {
+        for (int i = 0; i < items.size(); i++) {
+            if (items.get(i).getSku() == sku) {
+                items.remove(i);
+                inventory.addStock(sku, 1);
+                return true;
+            }
+        }
+        return false;
+    }
+
+    float getTotalCost() {
+        float total = 0f;
+        for (Item i : items) {
+            total += i.getPrice();
+        }
+        return total;
+    }
+
+    ArrayList<Item> getItems() {
+        return items;
+    }
+}

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

@@ -0,0 +1,7 @@
+package com.booleanuk.core;
+
+public class Coffee extends Item {
+    public Coffee(SKU sku) {
+        super(sku);
+    }
+}

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

@@ -0,0 +1,7 @@
+package com.booleanuk.core;
+
+public class Filling extends Item {
+    public Filling(SKU sku) {
+        super(sku);
+    }
+}

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

@@ -0,0 +1,40 @@
+package com.booleanuk.core;
+
+import java.util.HashMap;
+
+public class Inventory {
+    private HashMap<SKU, Integer> invMap = new HashMap<>();   
+
+    boolean checkStock(SKU sku) {
+        if (invMap.containsKey(sku) && invMap.get(sku) > 0) {
+            return true;
+        }
+        return false;
+    }
+
+    boolean addStock(SKU sku, int amount) {
+        if (amount <= 0) {
+            return false;
+        }
+        // if sku already in stock
+        if(invMap.containsKey(sku)) {
+           invMap.put(sku, invMap.get(sku) + amount);
+        }
+        // if sku not in stock 
+        else {
+            invMap.put(sku, amount);
+        }
+        return true;
+    }
+
+    boolean removeStock(SKU sku, int amount) {
+        // if amount is more than in stock return false
+        if (!checkStock(sku) || amount > invMap.get(sku)) {
+            return false;
+        }
+
+        invMap.put(sku, invMap.get(sku) - amount);
+        return true;
+    }
+
+}

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

@@ -0,0 +1,89 @@
+package com.booleanuk.core;
+
+public abstract class Item {
+    private SKU sku;
+    private float price;
+    private String type;
+    private String variant;
+
+    public Item(SKU sku) {
+        this.sku = sku;
+
+        // Set price, type, and variant based on SKU
+        if (sku == SKU.BGLO) {
+            price = 0.49f;
+            type = "Bagel";
+            variant = "Onion";
+        } else if (sku == SKU.BGLP) {
+            price = 0.39f;
+            type = "Bagel";
+            variant = "Plain";
+        } else if (sku == SKU.BGLE) {
+            price = 0.49f;
+            type = "Bagel";
+            variant = "Everything";
+        } else if (sku == SKU.BGLS) {
+            price = 0.49f;
+            type = "Bagel";
+            variant = "Sesame";
+        } else if (sku == SKU.COFB) {
+            price = 0.99f;
+            type = "Coffee";
+            variant = "Black";
+        } else if (sku == SKU.COFW) {
+            price = 1.19f;
+            type = "Coffee";
+            variant = "White";
+        } else if (sku == SKU.COFC) {
+            price = 1.29f;
+            type = "Coffee";
+            variant = "Capuccino";
+        } else if (sku == SKU.COFL) {
+            price = 1.29f;
+            type = "Coffee";
+            variant = "Latte";
+        } else if (sku == SKU.FILB) {
+            price = 0.12f;
+            type = "Filling";
+            variant = "Bacon";
+        } else if (sku == SKU.FILE) {
+            price = 0.12f;
+            type = "Filling";
+            variant = "Egg";
+        } else if (sku == SKU.FILC) {
+            price = 0.12f;
+            type = "Filling";
+            variant = "Cheese";
+        } else if (sku == SKU.FILX) {
+            price = 0.12f;
+            type = "Filling";
+            variant = "Cream Cheese";
+        } else if (sku == SKU.FILS) {
+            price = 0.12f;
+            type = "Filling";
+            variant = "Smoked Salmon";
+        } else if (sku == SKU.FILH) {
+            price = 0.12f;
+            type = "Filling";
+            variant = "Ham";
+        } else {
+            throw new IllegalArgumentException("Invalid SKU: " + sku);
+        }
+    }
+
+    SKU getSku() {
+        return sku;
+    }
+
+    float getPrice() {
+        return price;
+    }
+
+    String getType() {
+        return type;
+    }
+
+    String getVariant() {
+        return variant;
+    }
+}

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

@@ -0,0 +1,18 @@
+package com.booleanuk.core;
+
+public enum SKU {
+    BGLO,
+    BGLP,
+    BGLE,
+    BGLS,
+    COFB,
+    COFW,
+    COFC,
+    COFL,
+    FILB,
+    FILE,
+    FILC,
+    FILX,
+    FILS,
+    FILH,
+}

src/main/java/com/booleanuk/extension/Bagel.java

@@ -0,0 +1,7 @@
+package com.booleanuk.extension;
+
+public class Bagel extends Item {
+    public Bagel(SKU sku) {
+        super(sku);
+    }
+}