Craft CMS 2 Task progression

Question

In Craft CMS 2, I've created a task for updating Craft Commerce products from an Excel file. Everything's working correctly except the UI progression bar. The progression bar in control panel stays at 0 %, even if in database, I see steps increasing. Then when task is finished, it goes directly to the end (100 %) and disappear. I noticed that it will happen if I call for

craft()->commerce_products->saveProduct($product);

If I comment this line, progression works correctly. Any idea on what's going wrong?

Answer 1

As far as I know you should manually set the progress value. The task can't determine the progress by itself, unless you are returning/polling this data.

An example of how we use it, for sending activation mails to multiple users;

public function execute($queue)
{   
    // creation date of user        
    $days = ($this->data['creationDate']) ? $this->data['creationDate'] : 7;

    // get pending users
    $dateFilter = (new \DateTime( $days . ' days ago'))->format(\DateTime::ATOM);
    $users = \craft\elements\User::find()->status('pending')->dateCreated(" < {$dateFilter}")->all();

    // loop
    $totalUsers = count($users);
    $currentUser = 0;   

    foreach($users as $user) {          
        // send mail
        $result = $this->sendReminderMail($user);

        // update progress          
        $this->setProgress($queue, $currentUser++ / $totalUsers);
    }
}

setProgress is used to update the progress, which will be visible in the CP.

Answer 2

If totalSteps is getting set correctly, and currentStep is getting updated correctly, yet the progress bar isn’t progressing, then it’s likely happening because the server’s connections are maxed out, so the Ajax request that is trying to get the new progress for the Control Panel isn’t getting resolved.

Perhaps calling saveProduct() is ultimately resulting in the server attempting to make its own HTTP request to itself – the SEOmatic plugin tends to do that, for example – which is blocking the Control Panel from making additional HTTP requests to the web server.