Extension:NotifyCategoryTalkOnEdit

require_once("$IP/extensions/NotifyCategoryTalkOnEdit/NotifyCategoryTalkOnEdit.php");

<?php
 
if( !defined( 'MEDIAWIKI' ) )
die();
 
$wgExtensionCredits[other][] = array(
        'name' => "Notify Category Talk On Edit",
        'description' => "Makes a note on a category's talk page when a user modifies or creates a page in that category.  The result is that users watching the category will then be notified (by the usual means).",
        'version' => 0.9,
        'author' => "Justin Gregory",
        'url' => "http://www.mediawiki.org/wiki/Extension:NotifyCategoryTalkOnEdit",
 );
 
$wgAutoloadClasses['NotifyCategoryTalkOnEdit'] = dirname(__FILE__) . '/NotifyCategoryTalkOnEdit.body.php';
 
$wgExtensionFunctions[] = 'wfNCTOESetup';
 
function wfNCTOESetup()
{
        global $wgMessageCache;
        require(dirname( __FILE__ ) . '/NotifyCategoryTalkOnEdit.i18n.php');
        foreach ($NCTOEMessages as $lang => $langMessages)
        {
            $wgMessageCache->addMessages($langMessages, $lang);
        }
}
 
 
$wgHooks['ArticleInsertComplete'][] = 'NotifyCategoryTalkOnEdit::NCTOnAddPage';
$wgHooks['ArticleSaveComplete'][] = 'NotifyCategoryTalkOnEdit::NCTOnSavePage';
 
$wgNCTOENotifyOnCreate = true;
$wgNCTOENotifyOnEdit = true;

<?php
 
if( !defined( 'MEDIAWIKI' ) )
die();
 
class NotifyCategoryTalkOnEdit
{
 
function NCTOnAddPage(&$article, &$user, &$text, &$summary, &$minoredit, &$watchthis, &$sectionanchor, &$flags)
{
        // Make sure this feature hasn't been turned off in LocalSettings.php:
        global $wgNCTOENotifyOnCreate;
        if ($wgNCTOENotifyOnCreate != true)
        {
                return true;
        }
 
        // If this is a minor edit, be sure to include the appropriate flag:
        $minorflag = 0;
        if ($minoredit)
        {
                $minorflag = EDIT_MINOR;
        }
 
        global $wgCanonicalNamespaceNames;
 
        // the Categoryfinder will be used to search the article for categories
        $cf = new Categoryfinder;
 
        // Get a list of all known categories from the database
        $dbr =& wfGetDB(DB_SLAVE);
        $res = $dbr->select('categorylinks', array('cl_to', 'count(*) AS count'), '', 'NotifyCategoryTalkOnEdit::NCTOnAddPage()', array('GROUP BY' => 'cl_to'));
 
        // For each category...
        while ( $row = $dbr->fetchObject( $res ) )
        {
                // ... look for it in the article
                $cf->seed(array($article->getID()), array($row->cl_to)); 
                $a = $cf->run(); 
 
                // Did we find it?
                foreach ($a as $pageID)
                {
                        // If so, edit the category's talk page to add the notification message
                        $talktitle = Title::newFromText($wgCanonicalNamespaceNames[NS_CATEGORY_TALK] . ':' . $row->cl_to);
                        $talkpage = new Article($talktitle);
                        $oldcontent = $talkpage->getContent();
                        $newcontent = $oldcontent . wfMsg('nctoenewpagemessage', Title::newFromID($pageID)->getPrefixedText(), $row->cl_to, $wgCanonicalNamespaceNames[NS_CATEGORY]); 
                        $summary = wfMsg('nctoenewpagesummary', Title::newFromID($pageID)->getPrefixedText());
                        $talkpage->doEdit($newcontent, $summary, EDIT_AUTOSUMMARY | EDIT_FORCE_BOT | $minorflag);
                }
        }
 
        // Clean up
        $dbr->freeResult($res);
        return true;
}
 
 
function NCTOnSavePage(&$article, &$user, &$text, &$summary, &$minoredit, &$watchthis, &$sectionanchor, &$flags)
{
        // Make sure this feature hasn't been turned off in LocalSettings.php:
        global $wgNCTOENotifyOnEdit;
        if ($wgNCTOENotifyOnEdit != true)
        {
                return true;
        }
 
        // Make sure this is not an NCTOE auto-notification on a talk page, and that it is not a new page, which
        // would have already been handled by NCTOnAddPage()
        if (($flags & EDIT_FORCE_BOT) | ($flags & EDIT_NEW))
        {
                return true;
        }
 
        // If this is a minor edit, be sure to include the appropriate flag:
        $minorflag = 0;
        if ($minoredit)
        {
                $minorflag = EDIT_MINOR;
        }
 
        global $wgCanonicalNamespaceNames;
 
        // the Categoryfinder will be used to search the article for categories
        $cf = new Categoryfinder;
 
        // Get a list of all known categories from the database
        $dbr =& wfGetDB(DB_SLAVE);
        $res = $dbr->select('categorylinks', array('cl_to', 'count(*) AS count'), '', 'NotifyCategoryTalkOnEdit::NCTOnSavePage()', array('GROUP BY' => 'cl_to'));
 
        // For each category...
        while ( $row = $dbr->fetchObject( $res ) )
        {
                // ... look for it in the article
                $cf->seed(array($article->getID()), array($row->cl_to)); 
                $a = $cf->run(); 
 
                // Did we find it?
                foreach ($a as $pageID)
                {
                        // If so, edit the category's talk page to add the notification message
                        $talktitle = Title::newFromText($wgCanonicalNamespaceNames[NS_CATEGORY_TALK] . ':' . $row->cl_to);
                        $talkpage = new Article($talktitle);
                        $oldcontent = $talkpage->getContent();
                        $newcontent = $oldcontent . wfMsg('nctoepageeditmessage', Title::newFromID($pageID)->getPrefixedText(), $row->cl_to, $wgCanonicalNamespaceNames[NS_CATEGORY]);
                        $summary = wfMsg('nctoepageeditsummary', Title::newFromID($pageID)->getPrefixedText());
                        $talkpage->doEdit($newcontent, $summary, EDIT_AUTOSUMMARY | EDIT_FORCE_BOT | $minorflag);
                }
        }
 
        // Clean up
        $dbr->freeResult($res);
        return true;
}
 
}

<?php
 
if( !defined( 'MEDIAWIKI' ) )
die();
 
$NCTOEMessages = array('en' => array(   'nctoenewpagemessage' => '
 
== Automatic New Page Notification: $1  == 
 
The page [[:$1]] was recently created, and has been included in the category [[:$3:$2|$2]].',
                                        'nctoenewpagesummary' => 'Auto-notify creation of page $1.',
                                        'nctoepageeditmessage' => '
 
== Automatic Page Modification Notification: $1 ==
 
The page [[:$1]] has recently been modified, and is a member of the category [[:$3:$2|$2]].', 
                                        'nctoepageeditsummary' => 'Auto-notify modification of page $1.')
 
// TODO: Add other languages...
 
);