refactor: divided controllers into Navigation-, User-, Donation- and …

…OrganizationController

src/main/java/edu/group5/app/App.java

@@ -1,8 +1,9 @@
 package edu.group5.app;
 
-import edu.group5.app.control.MainController;
+import edu.group5.app.control.NavigationController;
 import edu.group5.app.control.wrapper.DbWrapper;
 import edu.group5.app.control.wrapper.OrgApiWrapper;
+import edu.group5.app.model.AppState;
 import edu.group5.app.model.donation.DonationRepository;
 import edu.group5.app.model.donation.DonationService;
 import edu.group5.app.model.organization.OrganizationRepository;
@@ -12,6 +13,7 @@
 import javafx.application.Application;
 import javafx.scene.Scene;
 import javafx.scene.image.Image;
+import javafx.scene.layout.BorderPane;
 import javafx.stage.Stage;
 
 import java.util.List;
@@ -56,11 +58,13 @@ public void start(Stage stage) {
     DonationService donationService = new DonationService(donationRepository, organizationRepository);
     OrganizationService organizationService = new OrganizationService(organizationRepository);
 
-    MainController controller = new MainController(userService, donationService, organizationService);
+    BorderPane root = new BorderPane();
+    AppState appState = new AppState();
+    NavigationController nav = new NavigationController(root, appState, userService, donationService, organizationService);
 
-    Scene scene = controller.getMainView().getScene();
-    controller.showLoginPage();
+    nav.showLoginPage();
 
+    Scene scene = new Scene(root, 1280, 720);
     stage.getIcons().add(new Image(getClass().getResource("/header/images/hmh-logo.png").toExternalForm()));
     stage.setTitle("Help-Me-Help");
     stage.setScene(scene);

src/main/java/edu/group5/app/control/DonationController.java

@@ -1,4 +1,84 @@
 package edu.group5.app.control;
 
+import edu.group5.app.model.AppState;
+import edu.group5.app.model.donation.Donation;
+import edu.group5.app.model.donation.DonationService;
+import edu.group5.app.model.organization.Organization;
+import edu.group5.app.model.user.Customer;
+import edu.group5.app.model.user.User;
+
+import java.math.BigDecimal;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
 public class DonationController {
+  private final AppState appState;
+  private final NavigationController nav;
+  private final DonationService service;
+
+  public DonationController(AppState appState, NavigationController nav, DonationService service) {
+    this.appState = appState;
+    this.nav = nav;
+    this.service = service;
+  }
+
+  public Map<Integer, Donation> getUserDonations(int userId) {
+    return service.getDonationRepository().filterByUser(userId);
+  }
+
+  public Set<Integer> getUniqueOrgs() {
+    Map<Integer, Donation> userDonations = getUserDonations(appState.getCurrentUser().getUserId());
+
+    Set<Integer> uniqueOrgs = new HashSet<>();
+    for (Donation donation : userDonations.values()) {
+      uniqueOrgs.add(donation.organizationId());
+    }
+
+    return uniqueOrgs;
+  }
+
+  public void handleDonate() {
+    // Get session data from MainController
+    User currentUser = appState.getCurrentUser();
+    Organization currentOrg = appState.getCurrentOrganization();
+    BigDecimal amount = appState.getCurrentDonationAmount();
+
+    if (currentUser == null) {
+      System.err.println("Error: No user logged in");
+      return;
+    }
+    if (!(currentUser instanceof Customer customer)) {
+      System.err.println("Error: Only customers can donate");
+      return;
+    }
+    if (currentOrg == null) {
+      System.err.println("Error: No organization selected");
+      return;
+    }
+    if (amount == null || amount.compareTo(BigDecimal.ZERO) <= 0) {
+      System.err.println("Error: Invalid donation amount");
+      return;
+    }
+
+    // Create donation via service
+    boolean success = service.donate(
+        customer,
+        currentOrg.orgNumber(),
+        amount,
+        "Online"
+    );
+
+    if (success) {
+      System.out.println("Donation created: " + amount + " kr to " + currentOrg.name());
+    } else {
+      System.err.println("Failed to create donation");
+    }
+
+    // Clear donation session state
+    appState.setCurrentDonationAmount(null);
+
+    // Navigate to payment complete
+    nav.showPaymentCompletePage();
+  }
 }

src/main/java/edu/group5/app/control/NavigationController.java

@@ -1,99 +1,91 @@
 package edu.group5.app.control;
 
+import edu.group5.app.model.AppState;
 import edu.group5.app.model.donation.DonationService;
-import edu.group5.app.model.organization.Organization;
 import edu.group5.app.model.organization.OrganizationService;
-import edu.group5.app.model.user.User;
 import edu.group5.app.model.user.UserService;
-import edu.group5.app.view.ViewManager;
-
-import java.math.BigDecimal;
-
-public class MainController {
-  private final ViewManager view;
-
+import edu.group5.app.view.Header;
+import edu.group5.app.view.causespage.CausesPageView;
+import edu.group5.app.view.donationpage.DonationPageView;
+import edu.group5.app.view.donationpage.PaymentCompletePageView;
+import edu.group5.app.view.homepage.HomePageView;
+import edu.group5.app.view.loginpage.LoginHeader;
+import edu.group5.app.view.loginpage.LoginPageView;
+import edu.group5.app.view.loginpage.SignInPageView;
+import edu.group5.app.view.organizationpage.OrganizationPageView;
+import edu.group5.app.view.userpage.UserPageView;
+import javafx.scene.layout.BorderPane;
+
+public class NavigationController {
+  private final BorderPane root;
+  private final Header header;
+  private final LoginHeader loginHeader;
+
+  private final AppState appState;
   private final UserService userService;
   private final DonationService donationService;
   private final OrganizationService organizationService;
 
   private final UserController userController;
+  private final DonationController donationController;
+  private final OrganizationController organizationController;
 
-  private User currentUser;
-  private Organization currentOrganization;
-  private BigDecimal currentDonationAmount;
+  public NavigationController(BorderPane root, AppState appState, UserService userService, DonationService donationService, OrganizationService organizationService) {
+    this.root = root;
+    this.header = new Header(this);
+    this.loginHeader = new LoginHeader();
 
-  public MainController(UserService userService, DonationService donationService,
-                        OrganizationService organizationService) {
+    this.appState = appState;
     this.userService = userService;
     this.donationService = donationService;
     this.organizationService = organizationService;
 
-    this.userController = new UserController(this, userService, donationService, organizationService);
-
-    this.view = new ViewManager(this);
-  }
-
-  public ViewManager getMainView() {
-    return this.view;
-  }
-
-  public User getCurrentUser() {
-    return this.currentUser;
-  }
-
-  public void setCurrentUser(User user) {
-    this.currentUser = user;
-  }
-
-  public Organization getCurrentOrganization() {
-    return this.currentOrganization;
-  }
-
-  public void setCurrentOrganization(Organization organization) {
-    this.currentOrganization = organization;
-  }
-
-  public BigDecimal getCurrentDonationAmount() {
-    return this.currentDonationAmount;
-  }
-
-  public void setCurrentDonationAmount(BigDecimal amount) {
-    this.currentDonationAmount = amount;
+    this.userController = new UserController(appState, this, userService);
+    this.donationController = new DonationController(appState, this, donationService);
+    this.organizationController = new OrganizationController(appState, this, organizationService);
   }
 
   public void showHomePage() {
-    view.showHomePage();
+    root.setTop(header);
+    root.setCenter(new HomePageView(appState, this));
   }
 
   public void showLoginPage() {
-    view.showLoginPage();
+    root.setTop(loginHeader);
+    root.setCenter(new LoginPageView(appState, this, userController));
   }
 
   public void showSignInPage() {
-    view.showSignInPage();
+    root.setTop(loginHeader);
+    root.setCenter(new SignInPageView(appState, this, userController));
   }
 
   public void showPaymentCompletePage() {
-    view.showPaymentCompletePage();
+    root.setTop(header);
+    root.setCenter(new PaymentCompletePageView(this));
   }
 
   public void showCausesPage() {
-    view.showCausesPage();
+    root.setTop(header);
+    root.setCenter(new CausesPageView(appState, this, organizationController));
   }
 
   public void showOrganizationPage() {
-    view.showOrganizationPage();
+    root.setTop(header);
+    root.setCenter(new OrganizationPageView(appState, this, donationController));
   }
 
   public void showDonationPage() {
-    view.showDonationPage();
+    root.setTop(header);
+    root.setCenter(new DonationPageView(appState, this, donationController));
   }
 
   public void showAboutUsPage() {
-    view.showAboutUsPage();
+    root.setTop(header);
   }
 
   public void showUserPage() {
-    view.showUserPage();
+    root.setTop(header);
+    root.setCenter(new UserPageView(appState, this, userController, donationController, organizationController));
   }
 }

src/main/java/edu/group5/app/control/OrganizationController.java

@@ -1,4 +1,27 @@
 package edu.group5.app.control;
 
+import edu.group5.app.model.AppState;
+import edu.group5.app.model.organization.Organization;
+import edu.group5.app.model.organization.OrganizationService;
+
+import java.util.Map;
+
 public class OrganizationController {
+  private final AppState appState;
+  private final NavigationController nav;
+  private final OrganizationService service;
+
+  public OrganizationController(AppState appState, NavigationController nav, OrganizationService service) {
+    this.appState = appState;
+    this.nav = nav;
+    this.service = service;
+  }
+
+  public Organization getOrgById(int orgId) {
+    return service.findByOrgNumber(orgId);
+  }
+
+  public Map<Integer, Organization> getTrustedOrgs() {
+    return service.getTrustedOrganizations();
+  }
 }

src/main/java/edu/group5/app/control/UserController.java

@@ -1,4 +1,80 @@
 package edu.group5.app.control;
 
+import edu.group5.app.model.AppState;
+import edu.group5.app.model.donation.Donation;
+import edu.group5.app.model.donation.DonationService;
+import edu.group5.app.model.organization.Organization;
+import edu.group5.app.model.organization.OrganizationService;
+import edu.group5.app.model.user.Customer;
+import edu.group5.app.model.user.User;
+import edu.group5.app.model.user.UserService;
+import edu.group5.app.view.loginpage.LoginPageView;
+import edu.group5.app.view.loginpage.SignInPageView;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+
+import java.math.BigDecimal;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
 public class UserController {
+  private final AppState appState;
+  private final NavigationController nav;
+  private final UserService userService;
+
+  public UserController(AppState appState, NavigationController nav, UserService userService) {
+    this.appState = appState;
+    this.nav = nav;
+    this.userService = userService;
+  }
+
+  public void handleSignIn(SignInPageView view, String firstName, String lastName, String email, char[] passwordChars) {
+    if (firstName == null || firstName.trim().isEmpty() ||
+        lastName == null || lastName.trim().isEmpty() ||
+        email == null || email.trim().isEmpty() ||
+        passwordChars == null || passwordChars.length == 0) {
+      view.showError("All fields are required");
+      return;
+    }
+
+    String password = new String(passwordChars);
+    BCryptPasswordEncoder encoder = new BCryptPasswordEncoder();
+    String hashedPassword = encoder.encode(password);
+
+    boolean success = userService.registerUser(
+        "Customer", firstName, lastName, email, hashedPassword);
+
+    if (success) {
+      User user = userService.getUserByEmail(email);
+
+      appState.setCurrentUser(user);
+      nav.showHomePage();
+    } else {
+      view.showError("Registration failed. Email may already be in use.");
+    }
+  }
+
+  public void handleLogin(LoginPageView view, String email, char[] passwordChars) {
+    if (email == null || email.trim().isEmpty() || passwordChars == null || passwordChars.length == 0) {
+      view.showError("Email and password are required");
+      return;
+    }
+
+    User user = userService.login(email, passwordChars);
+
+    if (user != null) {
+      appState.setCurrentUser(user);
+      nav.showHomePage();
+    } else {
+      view.showError("Invalid email or password");
+    }
+  }
+
+  public void handleLogout() {
+    appState.setCurrentUser(null);
+    appState.setCurrentOrganization(null);
+    appState.setCurrentDonationAmount(null);
+    nav.showLoginPage();
+  }
 }