Merge pull request nus-cs2113-AY1920S2#5 from gmuthu17/master

mvp of menu with add and delete

src/main/java/Dish.java

@@ -0,0 +1,18 @@
+import java.util.ArrayList;
+
+public class Dish {
+
+    private ArrayList<String> ingredients;
+
+    private String name;
+
+    public Dish(String name, ArrayList<String> ingredients ) {
+        this.name = name;
+        this.ingredients = ingredients;
+    }
+
+    public ArrayList<String> getIngredients() {
+        return ingredients;
+    }
+
+}

src/main/java/Menu.java

@@ -0,0 +1,52 @@
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+
+public class Menu {
+
+    private static HashMap<String, Dish> dishMap = new HashMap<String, Dish>();
+
+    public static void addDish (String input) {
+        ArrayList<String> ingredients = parseIngredients(input);
+        String name = parseName(input);
+        Dish d = new Dish(name, ingredients);
+        dishMap.put(name, d);
+    }
+
+    public static void deleteDish (String name) {
+        dishMap.remove(name);
+    }
+
+    public static ArrayList<String> parseIngredients(String input) {
+        ArrayList<String> ingredients = new ArrayList<String>();
+        input = input.substring(input.indexOf("i/") + 2);
+        input = input.substring(0, input.indexOf(";"));
+        String[] splitString = input.split(",");
+        for (String str: splitString) {
+            ingredients.add(str.trim());
+        }
+        return ingredients;
+    }
+
+    public static String parseName(String input) {
+        input = input.substring(input.indexOf("n/") + 2);
+        input = input.substring(0, input.indexOf(";"));
+        return input;
+    }
+
+    public static void printDishes() {
+        for (String name: dishMap.keySet()) {
+            String iList = "";
+            for (String str: dishMap.get(name).getIngredients()) {
+                iList += str + ",";
+            }
+            iList = iList.substring(0, iList.length()-1);
+            System.out.println("Name: " + name + "; Ingredients: " + iList);
+        }
+    }
+
+    public static HashMap<String, Dish> getDishMap() {
+        return dishMap;
+    }
+
+}

src/test/java/MenuTest.java

@@ -0,0 +1,57 @@
+import static org.junit.jupiter.api.Assertions.*;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+
+class MenuTest {
+
+    @Test
+    public void parseIngredientsTest() {
+        String d1a = "n/bacon pizza; i/cheese, bacon;";
+        ArrayList<String> l1 = new ArrayList<String>();
+        l1.add("cheese");
+        l1.add("bacon");
+        assertEquals(l1, Menu.parseIngredients(d1a));
+        String d1b = "i/cheese, bacon; n/bacon pizza;";
+        assertEquals(l1, Menu.parseIngredients(d1b));
+        String d2 = "i/chicken, rice, chili; n/chicken biryani;";
+        ArrayList<String> l2 = new ArrayList<String>();
+        l2.add("chicken");
+        l2.add("rice");
+        l2.add("chili");
+        assertEquals(l2, Menu.parseIngredients(d2));
+    }
+
+    @Test
+    public void parseNameTest() {
+        String d1 = "n/bacon pizza; i/cheese, bacon;";
+        assertEquals("bacon pizza", Menu.parseName(d1));
+        String d2 = "i/chicken, rice, chili; n/chicken biryani;";
+        assertEquals("chicken biryani", Menu.parseName(d2));
+    }
+
+    @Test
+    public void addDishTest() {
+        String d1 = "n/bacon pizza; i/cheese, bacon;";
+        Menu.addDish(d1);
+        assertTrue(Menu.getDishMap().containsKey("bacon pizza"));
+        String d2 = "i/chicken, rice, chili; n/chicken biryani;";
+        Menu.addDish(d2);
+        assertTrue(Menu.getDishMap().containsKey("chicken biryani"));
+    }
+
+    @Test
+    public void deleteDishTest() {
+        String d1 = "n/bacon pizza; i/cheese, bacon;";
+        Menu.addDish(d1);
+        assertTrue(Menu.getDishMap().containsKey("bacon pizza"));
+        String d2 = "i/chicken, rice, chili; n/chicken biryani;";
+        Menu.addDish(d2);
+        assertTrue(Menu.getDishMap().containsKey("chicken biryani"));
+        Menu.deleteDish("bacon pizza");
+        assertFalse(Menu.getDishMap().containsKey("bacon pizza"));
+        Menu.deleteDish("chicken biryani");
+        assertFalse(Menu.getDishMap().containsKey("chicken biryani"));
+    }
+
+}