[dev] hooks: prefs & conf loading problem

[Hans Lellelid]

I'm running into some trouble w/ the way pref hooks are implemented.

I'm using the Horde framework to build some inter-related apps that all 
share a non-horde user backend.  Basically, I'm trying to populate the 
Identity object with some values from my user module/app and using the 
pref_hooks framework seemed like an obvious way to do this.

So, I have hooks that look like this:

    function _prefs_hook_fullname()
    {
        $registry = &Registry::singleton();
        require_once $registry->getParam('fileroot', 'myuserapp') . 
'/lib/base.php';      
        require_once DDHR_BASE . '/lib/MyUserApp.php';
        $user = &MyUserApp::getCurrentUser();
        return $user->getName();
   }

The hook is being invoked, BUT IS FAILING because of the way that 
Registry pushes apps onto the stack.  My call to 
MyUserApp::getCurrentUser() wants to pass the apps' $conf values to the 
driver, but it cannot access the $conf for my app because in 
Registry->pushApp() the preferences are read before the conf is loaded 
for the app -- and of course, loading the prefs in my scenario is 
dependent on the hook, which is dependent on being able to access that 
application's $conf variable.   ... So, in short, pushApp() is failing 
because of the order in which prefs & conf files are loaded (i.e. prefs 
first, then conf).

In Registry->pushApp(), is there any reason why we couldn't load the 
app's $conf (i.e. Registry->importConfig($app) ) before loading the apps 
preferences...?  Maybe I'm missing something really obvious here.

Maybe there is a way around this?  Even using Registry->call() would, I 
think, result in the same problem -- since the app would not be pushed 
until prefs had been initialized.

Thanks in advance,

Hans
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