1

I am using the Privatemsg module in Drupal 7. I have a hook in a custom module that is triggered when users write a message that is too short. I set this up using the instructions here.

Basically, it looks like this:

function mymodule_privatemsg_message_validate($message) {
  $uid = $vars['message']->author->uid;

  //if root or help user, message should always go through regardless of length
  if ($uid !== '1') {
    if ($uid !== '3') {

      if (empty($message->thread_id) && strlen($message->body) < 200 ) {
    form_set_error('[body][value]', t('My custom message.'));
      }
    }
  }
}

I recently noticed there are not so many messages being sent on my site. I would like to know if it is because they are being blocked by this hook. How can I track how many times it is triggered (and even better if I can know which logged-in users are getting the error message)?

  • 4
    As side note, you are using $vars, but that variable has not been initialized from the function, nor is a function's parameter. – kiamlaluno Nov 8 '12 at 7:59
  • @kiamlaluno Sorry, I don't understand your comment. Could you please clarify here? drupal.stackexchange.com/questions/50144/… – Patrick Kenny Nov 9 '12 at 17:26
  • I answered, and I also said what else is wrong in your code. – kiamlaluno Nov 9 '12 at 18:26
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I don't think you'll get 'statistics' as such without some coding yourself, I've never seen a module that does that sort of thing (but hey it's Drupal so there probably is one somewhere).

Failing that I think your best bet would be to use the the watchdog() function, combined with enabling the dblog module on your site. You can use it like so:

if (empty($message->thread_id) && strlen($message->body) < 200 ) {
  form_set_error('[body][value]', t('My custom message.'));

  global $user;
  watchdog('mymodule', 'My custom message for user @username', array('@username' => $user->name));
}

Every time that if statement is entered you'll get a message on the 'Recent log messages' page, where you can even filter by entries for your own module, giving you a basic idea of what's happening, when, and for whom.

  • Is it possible to e-mail myself the watchdog message? Or to send an e-mail with the same message? I don't need an elaborate solution; just some notifications I can't miss (e-mails) would suffice. – Patrick Kenny Nov 9 '12 at 3:26
  • @Patrick I don't think there's anything built in but the Logging and Alerts module should do the trick; one of its features is Allows routing of watchdog messages to various email addresses, based on their severity levels. – Clive Nov 9 '12 at 8:55

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