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I have been trying to write a function to check if user is authenticated and then call a google analytics script for custom report. This has been a big hassle and I believe Drupal is not that difficult. Is there anyone who can help or take up the project? It should be a simple and straight forward thing to do but being able to check user authentication has not been easy

I've tried to use a php function to check if user is logged in but I was not able to call javascript function from it.

I wrote a script function with jquery calling the script on page load but I was not able to check if user is logged in using javascript

AYC
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1 Answers1

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Maybe it's not the best option, but...

  1. What do you think about calling, from your JS function, a custom module's controller, that return true if... $currentUser = \Drupal::currentUser(); $uid = $currentUser->id(); returns a numeric value higher than 0 or false if the value returned is 0 (anonymous user)? This controller only should had to return the UID of the current user in a JSON format, readable afterwards from your JS.

  2. Another try would be to write a YOURTHEMENAME_preprocess_page() function in your theme's .theme file that implement the above check, and send the value to the template, in order to render the value in a 'data-attribute' in some DOM element. Once rendered, you could access the value from your JS.

None of these approachs are 'Drupal way' of doing the stuff, but... hope these help you.

Cheers.

donbuche
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