User:Nx/Extensions/Intercom/Intercom.php

<?php

if ( !defined( 'MEDIAWIKI' ) ) {
	exit;
}

# change varbinary to varchar depending on wiki settings
# create table /*$wgDBprefix*/intercom_message (id int NOT NULL auto_increment, summary tinyblob, message mediumblob, author int unsigned NOT NULL, list varbinary(255) NOT NULL, timestamp varbinary(14), expires varbinary(14), parsed boolean NOT NULL default true, PRIMARY KEY id (id)) /*$wgDBTableOptions*/;
# create table /*$wgDBprefix*/intercom_list (userid int unsigned NOT NULL, list varbinary(255) NOT NULL, PRIMARY KEY (userid,list)) /*$wgDBTableOptions*/;
# create table /*$wgDBprefix*/intercom_read (userid int unsigned NOT NULL, messageid int unsigned NOT NULL, PRIMARY KEY (userid,messageid)) /*$wgDBTableOptions*/;

# give crats the right to send urgent messages
$wgGroupPermissions['bureaucrat']['intercom-sendurgent'] = true;

# give autoconfirmed users the right to send urgent messages
$wgGroupPermissions['autoconfirmed']['intercom-sendmessage'] = true;

$wgExtensionCredits['other'][] = array(
        'name' => 'RationalWiki Intercom',
        'author' => '[http://rationalwiki.com/wiki/User:Tmtoulouse Trent Toulouse]',
        'url' => 'http://rationalwiki.com/',
        'description' => 'Creates a sitewide message to all users'
);

$wgHooks['SiteNoticeAfter'][] = 'Intercom::DisplayMessages';

$wgSpecialPages['Intercom'] = 'SpecialIntercom';

global $wgUseAjax;
if ($wgUseAjax)
{
  $wgAjaxExportList[] = 'Intercom::getNextMessage';
  $wgAjaxExportList[] = 'Intercom::getPrevMessage';
  $wgAjaxExportList[] = 'Intercom::markRead';
}

$wgHooks['AjaxAddScript'][] = 'Intercomaddjs';

function Intercomaddjs($out) {
  global $wgJsMimeType, $wgScriptPath;
  $out->addScript("<script type=\"{$wgJsMimeType}\" src=\"{$wgScriptPath}/extensions/Intercom/js/Intercom.js\"></script>");
  return true;
}

## include path
$wgIntercomIP = dirname( __FILE__ );
$wgExtensionMessagesFiles['Intercom'] = "$wgIntercomIP/Intercom.i18n.php";


//Avoid unstubbing $wgParser on setHook() too early on modern (1.12+) MW versions, as per r35980
if ( defined( 'MW_SUPPORTS_PARSERFIRSTCALLINIT' ) ) {
	$wgHooks['ParserFirstCallInit'][] = 'intercominit';
} else { // Otherwise do things the old fashioned way
	$wgExtensionFunctions[] = 'intercominit';
}

function intercominit() {
  wfLoadExtensionMessages('Intercom');
  return true;
}

## Load classes
$wgAutoloadClasses['Intercom'] =  "$wgIntercomIP/Intercom.body.php";
$wgAutoloadClasses['SpecialIntercom'] =  "$wgIntercomIP/Intercom.body.php";