“Cannot get Author or IsDeveloper() with Frontend class in use.” – Issues – Discuss

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Cannot get Author or IsDeveloper() with Frontend class in use.

A bug in 2.2, submitted by ahwayakchih on 01 April 2011

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Closed#599: Cannot get Author or IsDeveloper() with Frontend class in use.

- ahwayakchih
- Comment #1
- 01 Apr 11, 4:17 am

I am not sure why it is like that. I wanted field to check if user is Developer, and only then allow to change value of field. It works on administration pages, using Symphony::Engine(), but it does not work when viewing frontend page (using section_schemas) - it crashes page :(.

Anyone knows why it is like that? I thought that maybe Frontend class does not have $Author initialized, so i tried calling isLoggedIn() first (which should set up $Author variable), but it did not help.

- brendo
- Comment #2
- 01 Apr 11, 1:38 pm

Can you post the code that you are using?

This works for me in the Frontend context (grab function of a Datasource).

if(Frontend::instance()->Author instanceof Author && Frontend::instance()->Author->isDeveloper()) {
    // do Developer code
}
else {
    // user is not a Symphony Author or is not a Developer
}

- ahwayakchih
- Comment #3
- 02 Apr 11, 2:14 am

I was modifying incrementnumber field, so it can be used as simple views counter, but does not allow authors to cheat :).

I added implementation of processRawFieldData() which checks for developer like this:

if (Symphony::Engine()->Author->isDeveloper())

and it works great. Entries are edited only through administration pages (not frontend + events).

Next i wanted to make field "readonly" for non-developer accounts, so i tried using the same check in displayPublishPanel() function. It worked great on administration pages, but frontend page started to crash (no output is given to browser/client) when user is not logged in.

Now i can see that, since user is not logged in, there is no Author object available. My bad - i should have checked for that and should not assume that there will be "dummy" object (like there is in Drupal). I'm sorry :(.

This issue is closed.

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