Dev

pom.xml

@@ -15,11 +15,24 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.8.1</version>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
+                    <source>9</source>
+                    <target>9</target>
                 </configuration>
             </plugin>
         </plugins>
     </build>
-
+    <dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <version>5.4.2</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>5.4.2</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
 </project>

src/main/java/App.java

@@ -0,0 +1,168 @@
+import models.Sneaker;
+import services.SneakerService;
+
+import java.util.Arrays;
+import java.util.Date;
+import java.util.Scanner;
+
+import static services.SneakerService.inventory;
+import static utils.CSVUtils.csvFile;
+
+public class App {
+
+    private SneakerService sneakerService = new SneakerService(); // (1)
+
+    public static void main(String... args) {
+        App application = new App(); // (2)
+        application.init();  // (3)
+    }
+
+    public void init() {
+        // (4)
+        // application logic here
+        // call methods to take user input and interface with services
+        Console.printWelcome();
+        runMainMenu();
+    }
+
+    public void runMainMenu() {
+        boolean running = true;
+        Scanner scanner = new Scanner(System.in);
+
+
+        while (running) {
+            Console.printMainMenu();
+            utils.CSVUtils.loadData();
+            utils.CSVUtils.writeSneakersToCSV(csvFile, inventory);
+            int choice = scanner.nextInt();
+            scanner.nextLine(); // Consume newline
+            switch (choice) {
+                case 1:
+                    addNewItem();
+                    // Create product
+                    // Implement the logic to create a product and add it to inventory
+                    break;
+                case 2:
+                    readExistingProducts();
+                    // Read existing products
+                    // Implement the logic to read and display existing products
+                    break;
+                case 3:
+                    updateItem();
+                    // Update product
+                    // Implement the logic to update a product's details
+                    break;
+                case 4:
+                    deleteItem();
+                    // Delete product
+                    // Implement the logic to delete a product from inventory
+                    break;
+                case 5:
+                    getInventoryReport();
+                    // Get reports about products
+                    // Implement the logic to generate and display reports
+                    break;
+                case 6:
+                    System.out.println("Do you want to quit?\n" +
+                                    "if Yes - type [y]\n" +
+                                    "if No - type [n]");
+                    String quit = scanner.nextLine();
+                    if (quit.equalsIgnoreCase("y")) {
+                        running = false;
+                    }if (quit.equalsIgnoreCase("n")){
+                        return;
+                }
+                    break;
+                default:
+                    System.out.println("Invalid choice. Please select a valid option.");
+            }
+        }
+
+        System.out.println("Exiting the program. Goodbye!");
+        scanner.close();
+    }
+
+    public void addNewItem() {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Please give a name of this product");
+        String name = scanner.nextLine();
+        System.out.println("Please give the brand of this product");
+        String brand = scanner.nextLine();
+        System.out.println("Please tell what sport");
+        String sport = scanner.nextLine();
+        System.out.println("Please give a size");
+        double size = scanner.nextDouble();
+        System.out.println("Please give a qty ot this items");
+        int qty = scanner.nextInt();
+        System.out.println("Please give a price");
+        float price = scanner.nextFloat();
+        sneakerService.create(name, brand, sport, size, qty, price);
+        System.out.println("We add new itm to inventory");
+    }
+
+    public void updateItem() {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("If you want to update some item press [1] , return press [2]");
+        int answer1 = scanner.nextInt();
+        System.out.println("What is the ID of the item that you want to update ?");
+        int itemID = scanner.nextInt();
+        if (answer1 == 1) {
+            Sneaker temp = sneakerService.findSneaker(itemID);
+
+            System.out.println("Set new price price press  [1] \n" +
+                    "Set new Qty press [2] \n");
+            int choise = scanner.nextInt();
+
+            if (choise == 1) {
+                System.out.println("What is new price?");
+                float newPrice = scanner.nextFloat();
+                temp.setPrice(newPrice);
+            }
+            if (choise == 2) {
+                System.out.println("What is new Qty?");
+                int newQty = scanner.nextInt();
+                temp.setQty(newQty);
+            } else {
+                return;
+            }
+
+        }
+    }
+
+    public void getInventoryReport () {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("If you want to see the list of all items press [1] , return press [2]");
+        int answer = scanner.nextInt();
+        if (answer == 1) {
+            sneakerService.getInvetoryReport();
+        } else {
+            return;
+        }
+    }
+    public void deleteItem () {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("What item do you want to delete ? \n" +
+                "Please provide the item ID ");
+        int answer = scanner.nextInt();
+        for (Sneaker itemToDelete : sneakerService.findAll()) {
+            if (itemToDelete.getId() == answer) {
+                sneakerService.delete(itemToDelete.getId());
+                System.out.println("The item was succsefully removed");
+            }
+            else {
+                System.out.println("We dont have this ID number in our inventory list");
+            }
+        }
+    }
+
+    public void readExistingProducts () {
+        for (Sneaker s : sneakerService.findAll()){
+
+            System.out.println(s.getName());
+        }
+    }
+
+}
+
+
+

src/main/java/CSVUtils.java

@@ -0,0 +1,88 @@
+package utils;
+
+import models.Sneaker;
+import services.SneakerService;
+
+import java.io.*;
+import java.util.List;
+
+import static services.SneakerService.inventory;
+
+public class CSVUtils {
+    private static final int HEADER_LINE = 1;
+
+    private static final char DEFAULT_SEPARATOR = ',';
+    public static final String csvFile = "/Users/dima/Projects/Product-Inventory-Lab/Sneaker.csv";
+
+    public static void writeLine(Writer w, List<String> values) throws IOException {
+        boolean first = true;
+        StringBuilder sb = new StringBuilder();
+
+        for (String value : values) {
+            if (!first) {
+                sb.append(DEFAULT_SEPARATOR);
+            }
+            sb.append(value);
+            first = false;
+        }
+        sb.append("\n");
+        w.append(sb.toString());
+    }
+
+    public static void writeSneakersToCSV(String csvFilePath, List<Sneaker> sneakers) {
+        try (FileWriter writer = new FileWriter(csvFilePath)) {
+            writeLine(writer, List.of("ID", "Name", "Brand", "Sport", "Size", "Quantity", "Price"));
+
+            for (Sneaker s : sneakers) {
+                List<String> list = List.of(
+                        String.valueOf(s.getId()),
+                        s.getName(),
+                        s.getBrand(),
+                        s.getSport(),
+                        String.valueOf(s.getSize()),
+                        String.valueOf(s.getQty()),
+                        String.valueOf(s.getPrice())
+                );
+
+                CSVUtils.writeLine(writer, list);
+            }
+            writer.close();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void loadData() {
+        // (1)
+        // String csvFile = csvFile;
+        String line = "";
+        String csvSplitBy = ",";
+
+        // (2)
+
+        try (BufferedReader br = new BufferedReader(new FileReader(csvFile))) {
+            // Skip the header line
+            br.readLine();
+
+            SneakerService sneakerService = new SneakerService();
+            while ((line = br.readLine()) != null) {
+                // split line with comma
+                String[] beer = line.split(csvSplitBy);
+
+                // (4)
+                int id = Integer.parseInt(beer[0]);
+                String name = beer[1];
+                String brand = beer[2];
+                String sport = beer[3];
+                double size = Double.parseDouble(beer[4]);
+                int qty = Integer.parseInt(beer[5]);
+                float price = Float.parseFloat(beer[6]);
+
+                // (5)
+                sneakerService.create(name, brand, sport, size, qty, price);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/Console.java

@@ -0,0 +1,38 @@
+import services.SneakerService;
+
+import java.util.Scanner;
+//package io;
+
+
+public class Console extends SneakerService {
+
+    public static void printWelcome() {
+        System.out.println("" +
+                "*****************************************************"+"\n"+
+                "***           Welcome and Bienvenue               ***"+"\n"+
+                "***                    to                         ***"+"\n"+
+                "***          ZipCo Inventory Manager              ***"+"\n"+
+                "*****************************************************");
+    }
+
+
+    public static void printMainMenu() {
+        System.out.println(""+
+                        "*****************************************************"+"\n"+
+                        "***          Press number to make choice          ***"+"\n"+
+                        "***           [1]    Create a new product         ***"+"\n"+
+                        "***           [2]    Read existing products       ***"+"\n"+
+                        "***           [3]    Update product               ***"+"\n"+
+                        "***           [4]    Delete product               ***"+"\n"+
+                        "***           [5]    Get reports about products   ***"+"\n"+
+                        "***           [6]    Exit the program             ***"+"\n"+
+                        "*****************************************************"
+
+                );
+    }
+
+    public static void createAProduct(){
+
+    }
+
+}