feat[LoginController]: add dialog box for accepting privacy policy wh…

…en signing up

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

@@ -5,6 +5,9 @@
 import edu.group5.app.model.user.UserService;
 import edu.group5.app.view.loginpage.LoginPageView;
 import edu.group5.app.view.loginpage.SignInPageView;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Button;
+import javafx.scene.control.ButtonType;
 
 import java.util.Arrays;
 
@@ -38,17 +41,30 @@ public void handleSignIn(SignInPageView view, String firstName, String lastName,
       passwordChars[0] = '0';
     }
 
-    boolean success = userService.registerUser(
-        "Customer", firstName, lastName, email, hashedPassword);
+    Alert privacyPolicy = new Alert(Alert.AlertType.CONFIRMATION);
+    privacyPolicy.setTitle("Accept Privacy Policy");
+    privacyPolicy.setHeaderText("Accept Privacy Policy");
+    privacyPolicy.setContentText(
+        "Your user information like:\n" +
+            "Name and email—as well as donations tied to your account—will be saved locally on your machine.\n" +
+            "By creating an account, you accept the right of our app to store this information.");
 
-    if (success) {
-      User user = userService.getUserByEmail(email);
+    if (privacyPolicy.showAndWait().orElse(ButtonType.CANCEL) == ButtonType.OK) {
+      boolean success = userService.registerUser(
+          "Customer", firstName, lastName, email, hashedPassword);
 
-      appState.setCurrentUser(user);
-      nav.showHomePage();
+      if (success) {
+        User user = userService.getUserByEmail(email);
+
+        appState.setCurrentUser(user);
+        nav.showHomePage();
+      } else {
+        view.showError("Registration failed. Email may already be in use.");
+      }
     } else {
-      view.showError("Registration failed. Email may already be in use.");
+      view.showError("Registration failed. Must Accept Privacy Policy to create account.");
     }
+
   }
 
   public void handleLogin(LoginPageView view, String email, char[] passwordChars) {