completed

InventoryManager.java

@@ -0,0 +1,74 @@
+
+/**
+ * Write a description of class InventoryManager here.
+ *
+ * @author (your name)
+ * @version (a version number or a date)
+ */
+
+import java.util.ArrayList;
+import java.util.Scanner;
+public class InventoryManager
+{
+    
+   
+    ArrayList<Product> productList = new ArrayList<Product>();
+    /**
+     * Constructor for objects of class InventoryManager
+     */
+    public InventoryManager(){
+
+    }
+
+    
+    public void addProduct (String productId, int price, int onHand){
+        
+        Product productName = new Product(price,productId, onHand);
+        productList.add(productName);
+    }
+    
+    public void addInventory (String productId, int quantity){
+        if(productList.contains(productId)){
+        int index = productList.indexOf(productId);
+        productList.get(index).addOnHand(quantity);
+    }else System.out.println("Product Not Found!");
+    }   
+    
+    public void removeProduct(String productId){
+        int index = productList.indexOf(productId);
+        productList.remove(index);
+    }
+    
+    public void displayInventory(){
+    for(Product p: productList){
+        System.out.println(p.getId() + ":");
+        System.out.println("On Hand: " + p.getOnHand());
+        System.out.println("Price: " + p.getPrice());
+        System.out.println("Total Inventory Value: " + p.totalValue());
+    }
+    }
+    
+    public String getStringInput(String prompt) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println(prompt);
+        String userInput = scanner.nextLine();
+        String userInput2 = userInput.toLowerCase();
+        return userInput2;
+    }
+    
+     public  Integer getIntegerInput(String prompt) {
+        Scanner scannerB = new Scanner(System.in);
+        int b = 0;
+        System.out.println(prompt);
+        while(b == 0){
+        if(scannerB.hasNextInt()){
+        b = scannerB.nextInt();
+    }else{
+        System.out.print("Invalid input please start over\n");
+    }
+}
+        return b;
+    }
+    
+}
+

InventoryManagerTest.java

@@ -0,0 +1,42 @@
+
+
+import static org.junit.Assert.*;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * The test class InventoryManagerTest.
+ *
+ * @author  (your name)
+ * @version (a version number or a date)
+ */
+public class InventoryManagerTest
+{
+    /**
+     * Default constructor for test class InventoryManagerTest
+     */
+    public InventoryManagerTest()
+    {
+    }
+
+    /**
+     * Sets up the test fixture.
+     *
+     * Called before every test case method.
+     */
+    @Before
+    public void setUp()
+    {
+    }
+
+    /**
+     * Tears down the test fixture.
+     *
+     * Called after every test case method.
+     */
+    @After
+    public void tearDown()
+    {
+    }
+}

MainApplication.java

@@ -3,4 +3,45 @@
  * Created by leon on 1/10/18.
  */
 public class MainApplication {
+    
+    public static void main(String[] args) {
+        InventoryManager system = new InventoryManager();
+        String temp;
+        int tempPrice;
+        int tempOnHand;
+        boolean onOff = true;
+       System.out.println("Welcome to the inventory tracker.\n");
+       
+       while(onOff = true){
+           switch(system.getStringInput("What Would You Like To Do?\n" + "ADD product\n" + 
+           "ADD INVENTORY of an existing product \n" + "DISPLAY all current products\n" + 
+           "REMOVE a product from the system\n" +"EXIT the system\n")){
+             case "add" : 
+                temp = system.getStringInput("What Product Are You Adding?");
+                tempPrice = system.getIntegerInput("What Is The Product's Price?");
+                tempOnHand = system.getIntegerInput("How Many Do You Have?");
+                system.addProduct(temp,tempPrice,tempOnHand);
+             break;
+             case "add inventory" : 
+                 temp = system.getStringInput("What Product Are You Adding Inventory To?");
+                 tempOnHand = tempOnHand = system.getIntegerInput("How Much Are You Adding?");
+                 system.addInventory(temp,tempOnHand);
+             break;
+             case "display" : system.displayInventory();
+             break;
+             case "remove" : 
+                  temp = system.getStringInput("Which Product Do You Want To Remove?");
+                  system.removeProduct(temp);
+             break;
+             case "exit" : onOff = false;
+             break;
+             default: System.out.println("Invalid Choice: Please Try Again");
+             break;
+            }
+        }
+        
+        System.out.println("Goodbye");
+    }
+    
+     
 }

Product.java

@@ -1,7 +1,42 @@
 
-
 /**
  * Created by leon on 1/10/18.
  */
 public class Product {
+    //  Create a product class which has a price, id, and quantity on hand
+    private int price;
+    private String id;
+    private int onHand;
+    public Product(int startPrice, String startId, int startOnHand){
+        this.price = startPrice;
+        this.id = startId;
+        this.onHand = startOnHand;
+    }
+
+    public int getPrice() {
+        return this.price;   
+    }
+    
+    public String getId() {
+        return this.id;
+    }
+    
+    public int getOnHand() {
+        return this.onHand;
+    }
+    
+    public int changePrice(int newPrice) {
+        this.price = newPrice;
+        return price;
+    }
+    
+    public int addOnHand(int supply) {
+        this.onHand = this.onHand + supply;
+        return onHand;
+    }
+    
+    public int totalValue(){
+    return this.onHand * this.price;
+    }
+
 }

ProductTest.java

@@ -1,5 +1,80 @@
 /**
  * Created by leon on 1/10/18.
  */
+
+import org.junit.Assert;
+import org.junit.Test;
+
 public class ProductTest {
+    
+    @Test
+    public void getPriceTest(){
+     //Given
+     Product test = new Product(5, "Melon", 10);
+     //Then
+     int expected = 5;
+     int actual = test.getPrice();
+     //Assert
+     Assert.assertEquals(expected, actual);
+     
+    }
+    
+     @Test
+    public void getIdTest(){
+     //Given
+     Product test = new Product(5, "Melon", 10);
+     //Then
+     String expected = "Melon";
+     String actual = test.getId();
+     //Assert
+     Assert.assertEquals(expected, actual);
+     
+    }
+    
+     @Test
+    public void getOnHandTest(){
+     //Given
+     Product test = new Product(5, "Melon", 10);
+     //Then
+     int expected = 10;
+     int actual = test.getOnHand();
+     //Assert
+     Assert.assertEquals(expected, actual);
+     
+    }
+    
+      @Test
+    public void changePriceTest(){
+     //Given
+     Product test = new Product(5, "Melon", 10);
+     test.changePrice(3);
+     //Then
+     int expected = 3;
+     int actual = test.getPrice();
+     //Assert
+     Assert.assertEquals(expected, actual);
+     
+    }
+    
+      @Test
+    public void addOnHandTest(){
+     //Given
+     Product test = new Product(5, "Melon", 10);
+     test.addOnHand(15);
+     //Then
+     int expected = 25;
+     int actual = test.getOnHand();
+     //Assert
+     Assert.assertEquals(expected, actual);
+     
+    }
+    
+    @Test
+    public void totalValueTest(){
+    Product test = new Product(5, "Melon", 10);
+    int expected = 50;
+    int actual = test.totalValue();
+    
+    Assert.assertEquals(expected, actual);
+    }
 }

package.bluej

@@ -1,20 +1,29 @@
 #BlueJ package file
-editor.fx.0.height=722
-editor.fx.0.width=800
-editor.fx.0.x=560
-editor.fx.0.y=117
-objectbench.height=101
-objectbench.width=461
+dependency1.from=ProductTest
+dependency1.to=Product
+dependency1.type=UsesDependency
+dependency2.from=InventoryManager
+dependency2.to=Product
+dependency2.type=UsesDependency
+dependency3.from=MainApplication
+dependency3.to=InventoryManager
+dependency3.type=UsesDependency
+editor.fx.0.height=713
+editor.fx.0.width=1151
+editor.fx.0.x=129
+editor.fx.0.y=23
+objectbench.height=103
+objectbench.width=776
 package.divider.horizontal=0.6
-package.divider.vertical=0.8007380073800738
-package.editor.height=427
+package.divider.vertical=0.7970479704797048
+package.editor.height=425
 package.editor.width=674
-package.editor.x=141
-package.editor.y=59
+package.editor.x=7
+package.editor.y=27
 package.frame.height=600
 package.frame.width=800
-package.numDependencies=0
-package.numTargets=0
+package.numDependencies=3
+package.numTargets=5
 package.showExtends=true
 package.showUses=true
 project.charset=UTF-8
@@ -23,3 +32,39 @@ readme.name=@README
 readme.width=47
 readme.x=10
 readme.y=10
+target1.height=50
+target1.name=ProductTest
+target1.showInterface=false
+target1.type=UnitTestTargetJunit4
+target1.width=100
+target1.x=10
+target1.y=170
+target2.height=50
+target2.name=InventoryManagerTest
+target2.showInterface=false
+target2.type=UnitTestTargetJunit4
+target2.width=140
+target2.x=170
+target2.y=120
+target3.association=InventoryManagerTest
+target3.height=50
+target3.name=InventoryManager
+target3.showInterface=false
+target3.type=ClassTarget
+target3.width=140
+target3.x=140
+target3.y=150
+target4.height=50
+target4.name=Product
+target4.showInterface=false
+target4.type=ClassTarget
+target4.width=80
+target4.x=80
+target4.y=230
+target5.height=50
+target5.name=MainApplication
+target5.showInterface=false
+target5.type=ClassTarget
+target5.width=120
+target5.x=450
+target5.y=60