Implement the App Store Menu

Author: DevExzh

src/main/Driver.java

@@ -5,6 +5,7 @@
 import models.*;
 import utils.FoundationClassUtilities;
 import utils.ScannerInput;
+import utils.Utilities;
 
 /**
  * The responsibility for this class is to manage the User Interface (UI) i.e. the menu and user input/output. This class should be the only class that has System.out.println() or Scanner reads in it. This class contains an object of AppStoreAPI and an object of DeveloperAPI.
@@ -13,8 +14,8 @@
  * @link <a href="https://github.com/DevExzh/">GitHub Link</a>
  */
 public class Driver {
- private DeveloperAPI developerAPI = new DeveloperAPI();
- private AppStoreAPI appStoreAPI = new AppStoreAPI();
+ private final DeveloperAPI developerAPI = new DeveloperAPI();
+ private final AppStoreAPI appStoreAPI = new AppStoreAPI();
 
  public static void main(String[] args) {
  new Driver().start();
@@ -52,13 +53,12 @@ private void runMainMenu() {
  while (option != 0) {
  switch (option) {
  case 1 -> runDeveloperMenu();
- //case 2 -> // TODO run the App Store Menu and the associated methods (your design here)
- //case 3 -> // TODO run the Reports Menu and the associated methods (your design here)
+ case 2 -> runAppMenu();
+ case 3 -> runReportMenu();
  case 4 -> searchAppsBySpecificCriteria();
  case 5 -> appStoreAPI.sortAppsByNameAscending(); // Sort Apps by Name
- case 6 -> { // print the recommended apps
- System.out.println(appStoreAPI.listAllRecommendedApps());
- }
+ case 6 -> // print the recommended apps
+ System.out.println(appStoreAPI.listAllRecommendedApps());
  case 7 -> {
  System.out.println("=== App of the Day ==="); // print the random app of the day
  System.out.println(appStoreAPI.randomApp());
@@ -80,6 +80,92 @@ private void exitApp() {
  System.exit(0);
  }
 
+ //---------------------
+ // App Management
+ // --------------------
+ private void runAppMenu() {
+ switch (FoundationClassUtilities.scanValidInteger("""
+ |--------App Store Menu--------|
+ | 1) Add an app |
+ | 2) Update an app |
+ | 3) Delete an app |
+ | 0) RETURN to main menu |
+ |------------------------------|
+ """, (choice) -> choice >= 0 && choice <= 5)) {
+ default:
+ ScannerInput.validNextLine("Invalid option... Return to main menu.\nPress any key to continue...");
+ case 0:
+ return;
+ case 1: // Add an app
+ String appType = FoundationClassUtilities.scanValidString(
+ "Which type of App would you like to add [Education / Game / Productivity]? ",
+ new String[] {"e", "education", "g", "game", "p", "productivity"});
+ Developer developer = readValidDeveloperByName();
+ String appName = ScannerInput.validNextLine("Please enter the name of the App: ");
+ double appSize = FoundationClassUtilities.scanValidDouble("Please enter the size of the App: ",
+ (value) -> value >= 1 && value <= 1000); // [1, 1000]
+ double appVersion = FoundationClassUtilities.scanValidDouble("Please enter the version of the App: ",
+ (value) -> Utilities.greaterThanOrEqualTo(value, 1.0)); // >= 1.0
+ double appCost = FoundationClassUtilities.scanValidDouble("Please enter the cost of the App: ",
+ (value) -> Utilities.greaterThanOrEqualTo(value, 0)); // >= 0
+ System.out.println(appStoreAPI.addApp(switch (appType.toLowerCase()) {
+ case "education", "e" ->
+ new EducationApp(developer, appName, appSize, appVersion, appCost,
+ ScannerInput.validNextInt("Please enter the level of the education app: "));
+ case "game", "g" ->
+ new GameApp(developer, appName, appSize, appVersion, appCost, Utilities.YNtoBoolean(
+ ScannerInput.validNextChar("Does the game support multiplayer? [Y/n]: ")));
+ case "productivity", "p" ->
+ new ProductivityApp(developer, appName, appSize, appVersion, appCost);
+ default -> // Will never reach here, just to be safe
+ new ProductivityApp(developer, "", -1, -1, -1);
+ }) ? "The app has been added successfully." : "There was an error adding the app.");
+ break;
+ case 2: // Update an app
+ appStoreAPI.listAllApps();
+ App appToBeUpdated = appStoreAPI.getAppByIndex(
+ FoundationClassUtilities.scanValidInteger(
+ "Please choose the index of the App you want to update: ",
+ appStoreAPI::isValidIndex));
+ switch (FoundationClassUtilities.scanValidString(
+ "Which property would you like to update? [Name / Description / Size / Cost / Version]",
+ new String[] {"n", "name", "d", "description", "s", "size", "c", "cost", "v", "version"})) {
+ case "n", "name" -> appToBeUpdated.setAppName(
+ ScannerInput.validNextLine("Please enter the name of the App: "));
+ case "d", "description" -> appToBeUpdated.setDescription(
+ ScannerInput.validNextLine("Please enter the description of the App: "));
+ case "s", "size" -> appToBeUpdated.setAppSize(
+ FoundationClassUtilities.scanValidDouble("Please enter the size of the App: ",
+ (value) -> value >= 1 && value <= 1000));
+ case "c", "cost" -> appToBeUpdated.setAppCost(
+ FoundationClassUtilities.scanValidDouble("Please enter the cost of the App: ",
+ (value) -> Utilities.greaterThanOrEqualTo(value, 0)));
+ case "v", "version" -> appToBeUpdated.setAppVersion(
+ FoundationClassUtilities.scanValidDouble("Please enter the version of the App: ",
+ (value) -> Utilities.greaterThanOrEqualTo(value, 1.0)));
+ }
+ break;
+ case 3: // Delete an app
+ appStoreAPI.listAllApps();
+ System.out.println(
+ appStoreAPI.deleteAppByIndex(
+ FoundationClassUtilities.scanValidInteger(
+ "Please choose the index of the App you want to delete: ",
+ appStoreAPI::isValidIndex)) == null
+ ? "There was an error deleting the specified App."
+ : "The App has been deleted successfully.");
+ break;
+
+ }
+ }
+
+ //---------------------
+ // Reports
+ // --------------------
+ private void runReportMenu() {
+
+ }
+
  //--------------------------------------------------
  // Developer Management - Menu Items
  //--------------------------------------------------
@@ -160,7 +246,6 @@ private void searchAppsBySpecificCriteria() {
  3) Rating (all apps of that rating or above)""");
  int option = ScannerInput.validNextInt("==>> ");
  switch (option) {
- // TODO Search methods below
  case 1 -> searchAppsByName();
  case 2 -> searchAppsByDeveloper(readValidDeveloperByName());
  case 3 -> searchAppsEqualOrAboveAStarRating();
@@ -185,7 +270,7 @@ private void searchAppsByName() {
  }
 
  private void simulateRatings() {
- // simulate random ratings for all apps (to give data for recommended apps and reports etc).
+ // simulate random ratings for all apps (to give data for recommended apps and reports etc.).
  if (appStoreAPI.numberOfApps() > 0) {
  System.out.println("Simulating ratings...");
  appStoreAPI.simulateRatings();