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Cloud-Warrior · #1 12-06-2007, 10:54 AM

I'm currently working on a script that produces XML/RDF output for some of vBulletin's data.
For that I'd also like to make a plugin that puts different autodiscovery links into the headers of various vBulletin pages.

E. g. for forumdisplay.php it should put
<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=forum&id=XXX" />
into its header (with XXX being the id of the currently viewed forum)

There seems to be no way to hook into the header, I only found the possibility to manually edit templates.
Is it possible to have autodiscovery links that change according to which forum/post/user profile page is viewed?
Can that be done in a way so that a user installing such a plugin doesn't have to do any maual editing of templates?

RedTyger · #2 12-06-2007, 11:21 AM

Use the hook global_setup_complete.

Code:

if (isset($foruminfo['forumid']))
{
$headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=forum&id='.$foruminfo['forumid'].'" />';
}

$headinclude contains the meta tags and a few other additions, anything you add there will go between the <head></head> tags.

Cloud-Warrior · #3 12-06-2007, 03:44 PM

Thanks RedTyger - that was a very helpful answer!

Now I try to distinguish if a forum, thread, post or user profile is currently displayed and give only the appropriate autodiscovery link for that. E. g. when a post is viewed, don't give additional links for the thread or forum it is in.
I came up with this code that I included at the hook location you told me:

Code:

$vbulletin->input->clean_array_gpc('r', array( 'userid' => INT ));
if ($vbulletin->GPC['userid']) {
$headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=user&sioc_id='.$vbulletin->GPC['userid'].'" />';
} elseif ($vbulletin->GPC['postid']) {
$headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=post&sioc_id='.$vbulletin->GPC['postid'].'" />';
} elseif ($vbulletin->GPC['threadid']) {
$headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=thread&sioc_id='.$vbulletin->GPC['threadid'].'" />';
} elseif ($vbulletin->GPC['forumid']) {
$headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=forum&sioc_id='.$vbulletin->GPC['forumid'].'" />';
} else {
$headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=site" />';
}

I think this solution is a bit awkward, and I'm not sure if there are situations in which it might not work.
Is there another, more elegant solution for that?

RedTyger · #4 12-07-2007, 07:30 AM

You could use a switch if you wanted it to be a little neater I suppose, I personally would use THIS_SCRIPT to determine when links are used as the other variables may be added or used elsewhere.

Code:

switch (THIS_SCRIPT)
{
case 'member':
    $headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=user&sioc_id='.$_REQUEST['u'].'" />';
    break;
case 'showpost':
    $headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=post&sioc_id='.$_REQUEST['p'].'" />';
    break;
case 'showthread':
   $headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=forum&sioc_id='.$_REQUEST['t'].'" />';
    break;
case 'forumdisplay':
   $headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=forum&sioc_id='.$_REQUEST['f'].'" />';
    break;
default:
   $headinclude .= '<link rel="meta" type="application/rdf+xml" title="SIOC" href="sioc.php?sioc_type=site" />';
}

You can clean the $_REQUEST values if you want, but as they're not accessing any data and the forum will deal with incorrect values by default it's probably not necessary.

Cloud-Warrior · #5 12-10-2007, 10:04 AM

Ah, I didn't know about THIS_SCRIPT, that's just what I needed - thank you!

X vBulletin 3.8.12 by vBS Debug Information
Page Generation 0.08127 seconds Memory Usage 2,204KB Queries Executed 13 (?)
More Information
Template Usage: (1)SHOWTHREAD (1)ad_footer_end (1)ad_footer_start (1)ad_header_end (1)ad_header_logo (1)ad_navbar_below (1)ad_showthread_beforeqr (1)ad_showthread_firstpost (1)ad_showthread_firstpost_sig (1)ad_showthread_firstpost_start (3)bbcode_code (1)footer (1)forumjump (1)forumrules (1)gobutton (1)header (1)headinclude (1)navbar (3)navbar_link (120)option (5)post_thanks_box (5)post_thanks_button (1)post_thanks_javascript (1)post_thanks_navbar_search (5)post_thanks_postbit_info (5)postbit (5)postbit_onlinestatus (5)postbit_wrapper (1)spacer_close (1)spacer_open (1)tagbit_wrapper Phrase Groups Available: global inlinemod postbit posting reputationlevel showthread	Included Files: ./showthread.php ./global.php ./includes/init.php ./includes/class_core.php ./includes/config.php ./includes/functions.php ./includes/class_hook.php ./includes/modsystem_functions.php ./includes/functions_bigthree.php ./includes/class_postbit.php ./includes/class_bbcode.php ./includes/functions_reputation.php ./includes/functions_post_thanks.php Hooks Called: init_startup init_startup_session_setup_start init_startup_session_setup_complete cache_permissions fetch_postinfo_query fetch_postinfo fetch_threadinfo_query fetch_threadinfo fetch_foruminfo style_fetch cache_templates global_start parse_templates global_setup_complete showthread_start showthread_getinfo forumjump showthread_post_start showthread_query_postids showthread_query bbcode_fetch_tags bbcode_create showthread_postbit_create postbit_factory postbit_display_start post_thanks_function_post_thanks_off_start post_thanks_function_post_thanks_off_end post_thanks_function_fetch_thanks_start post_thanks_function_fetch_thanks_end post_thanks_function_thanked_already_start post_thanks_function_thanked_already_end fetch_musername postbit_imicons bbcode_parse_start bbcode_parse_complete_precache bbcode_parse_complete postbit_display_complete post_thanks_function_can_thank_this_post_start tag_fetchbit_complete forumrules navbits navbits_complete showthread_complete
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