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https://dimagi.atlassian.net/browse/CCCT-786

cross-request: dimagi/commcare-core#1455

Technical Summary

As shown in the ticket, users are sometimes shown "empty" push notifications, i.e. with no title or text. It seems this is possible if the server sends certain payloads, so this PR adds some logging to help us better understand more about when it happens.

Feature Flag

ConnectID Messaging

Safety Assurance

Safety story

Simple under-the-hood logging, very little risk

Automated test coverage

No automated tests for ConnectID yet.

QA Plan

No testing required or useful.

Labels and Review

  • Do we need to enhance the manual QA test coverage ? If yes, the "QA Note" label is set correctly
  • Does the PR introduce any major changes worth communicating ? If yes, the "Release Note" label is set and a "Release Note" is specified in PR description.
  • Risk label is set correctly
  • The set of people pinged as reviewers is appropriate for the level of risk of the change

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coderabbitai bot commented Mar 12, 2025

📝 Walkthrough

Walkthrough

The changes update the showNotification method in the CommCareFirebaseMessagingService class to improve error handling. A new check verifies whether both notificationTitle and notificationText are empty or only whitespace. When this condition is met, the method logs an exception using the Logger.exception method, including a message and a throwable with details about the action tied to the notification. Additionally, minor formatting is applied by adding a space after the if keyword in the condition for largeIcon. No changes were made to any public or exported entities.

Sequence Diagram(s)

sequenceDiagram
    participant S as CommCareFirebaseMessagingService
    participant L as Logger

    S->>S: Call showNotification(notificationTitle, notificationText, ...)
    alt Notification title and text are empty/whitespace
        S->>L: Logger.exception("Empty push notification encountered", throwable)
    else Valid notification content
        S->>S: Process and display notification
    end
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Possibly related PRs

Suggested reviewers

  • pm-dimagi
  • shubham1g5

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Actionable comments posted: 0

🧹 Nitpick comments (1)
app/src/org/commcare/services/CommCareFirebaseMessagingService.java (1)

221-224: Good implementation of empty notification logging.

This change effectively addresses the PR objective by detecting and logging empty push notifications. The logging includes the action associated with the notification, which will help in understanding the circumstances under which these empty notifications occur.

Consider enhancing the logging by including more context from the payload (like channel ID, message ID, etc. if available) to further aid in debugging.

 if (Strings.isEmptyOrWhitespace(notificationTitle) && Strings.isEmptyOrWhitespace(notificationText)) {
-    Logger.exception("Empty push notification",
-            new Throwable(String.format("Empty notification for action '%s'", action)));
+    Logger.exception("Empty push notification",
+            new Throwable(String.format("Empty notification for action '%s', payload: %s", 
+                          action, payloadData.toString())));
 }
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📥 Commits

Reviewing files that changed from the base of the PR and between 12a6338 and 8c7af9a.

📒 Files selected for processing (1)
  • app/src/org/commcare/services/CommCareFirebaseMessagingService.java (3 hunks)
🔇 Additional comments (2)
app/src/org/commcare/services/CommCareFirebaseMessagingService.java (2)

18-18: Appropriate import for the new empty notification check.

The addition of Strings import from Google's common utilities is necessary for using the isEmptyOrWhitespace method in the new code.


236-236: Minor formatting improvement.

The added space after the if keyword improves code readability and maintains consistent style throughout the codebase.

@shubham1g5
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Think we should also add similar validations on server side which fails the process to send notification if these fields are empty

@OrangeAndGreen
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Agreed, I'll pass that on to the server team so they can prioritize it in.

@OrangeAndGreen OrangeAndGreen merged commit 3bdfffd into connect_qa Mar 13, 2025
2 checks passed
@OrangeAndGreen OrangeAndGreen deleted the dv/log_empty_notification branch March 13, 2025 18:10
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3 participants