feat[DonationController]: prevent donations that are too large or wit…

…h too many decimals Add error message when trying to donate an amount of money that has too many digits or decimals.
Group-5 · Apr 21, 2026 · f22ad07 · f22ad07
1 parent 58d80d9
commit f22ad07
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diff --git a/src/main/java/edu/group5/app/control/AuthController.java b/src/main/java/edu/group5/app/control/AuthController.java
@@ -86,6 +86,7 @@ public void handleSignUp(SignUpPageView view, String firstName, String lastName,
       return;
     }
 
+    // Checks if any input is too long.
     if (firstName.length() > 32 || lastName.length() > 32
         || email.length() > 32 || passwordChars.length > 72) {
 
@@ -148,6 +149,7 @@ public void handleSignUp(SignUpPageView view, String firstName, String lastName,
       return;
     }
 
+    // Privacy policy pop-up.
     Alert privacyPolicy = new Alert(Alert.AlertType.CONFIRMATION);
     privacyPolicy.setTitle("Accept Privacy Policy");
     privacyPolicy.setHeaderText("Accept Privacy Policy");

diff --git a/src/main/java/edu/group5/app/control/DonationController.java b/src/main/java/edu/group5/app/control/DonationController.java
@@ -178,6 +178,12 @@ private void handleDonate() {
       return;
     }
 
+    // Prevents donations that are too complex from being made
+    if (amount.stripTrailingZeros().precision() > 32 || amount.stripTrailingZeros().scale() > 16) {
+      this.showError("The number is too complex, please donate a smaller or less precise number");
+      return;
+    }
+
     // Create donation via service
     boolean success = service.donate(
         customer,