Fop2 Realtime PBX support

[Faqterson]

I run my own Asterisk PBX software and make use of Realtime databases.
I have created the engine code to create my buttons from the realtime tables. I hope its useful to other users.
/var/www/html/fop2/admin/functions.php
....
} else if($config_engine == 'realtime') {
$return = realtime_check_extension_usage();
.....

/var/www/html/fop2/admin/functions-realtime.php
<?php
function realtime_populate_contexts_from_tenants() {
$panelcontexts[0]='GENERAL';
return $panelcontexts;
}
// Same as functions-astdb but querying the asterisk database for sip peers and voicemail tables
function realtime_check_extension_usage() {
global $db, $astman, $conf;
$extenlist = array();

        $dbtablesip       = "asterisk.ps_endpoints AS ps_endpoints";
        $dbtableiax       = "asterisk.iaxfriends AS iaxfriends";
        $dbtablevoicemail = "asterisk.voicemail AS voicemail";
        $dbtablequeues = "asterisk.queues AS queues";
    
        // Extensions
        $fields= "CONCAT('PJSIP/',ps_endpoints.id) as dial,ps_endpoints.id as extension,ps_endpoints.context as context,callerid as name,ps_endpoints.id as mailbox,voicemail.password as vmpin,email";
        $results = $db->select($fields,$dbtablesip,"LEFT JOIN $dbtablevoicemail on ps_endpoints.id=voicemail.mailbox","","","","");
        if(is_array($results)) {
            $trunkcount=0;
            foreach ($results as $result) {
    
                if(preg_match("/[,&]/",$result['dial'])) {
                    $partes = preg_split("/[,&]/",$result['dial']);
                    $result['dial']=$partes[0];
                }
    
                $thisexten = $result['extension'];
                $vmpin     = $result['vmpin'];
                $vmemail   = $result['email'];
                $data = array();
                $data['name'] = $result['name'];
                $data['channel'] = $result['dial'];
                $data['mailbox'] = $result['mailbox'];
    
                if( $result['name'] != "") {
                   $data['type']='extension';
                   $data['exten']   = $thisexten;
                } else {
                   $trunkcount++;
                   $data['type']='trunk';
                   $data['exten']=$thisexten;
                }
    
                $data['context'] = $result['context'];
                $data['vmpin']   = $vmpin;
                $data['email']   = $vmemail;
                $data['customastdb'] = 'CF/'.$thisexten;
                $data['context_id'] = 0;
    
                $extenlist[$data['channel']]  = $data;
    
            }
        }
    
        //IAX2
        $fields= "CONCAT('IAX2/',name) as dial,name,context";
        $results = $db->select($fields,$dbtableiax);
        if(is_array($results)) {
            $trunkcount=0;
            foreach ($results as $result) {
    
                if(preg_match("/[,&]/",$result['dial'])) {
                    $partes = preg_split("/[,&]/",$result['dial']);
                    $result['dial']=$partes[0];
                }
    
                $thisexten = $result['name'];
                $vmpin     = "";
                $vmemail   = "";
                $data = array();
                $data['name'] = $result['name'];
                $data['channel'] = $result['dial'];
                $data['mailbox'] = "";
    
                $trunkcount++;
                $data['type']='trunk';
                $data['exten']=$thisexten;
    
                $data['context'] = $result['context'];
                $data['vmpin']   = $vmpin;
                $data['email']   = $vmemail;
                $data['customastdb'] = 'CF/'.$thisexten;
                $data['context_id'] = 0;
    
                $extenlist[$data['channel']]  = $data;
            }
        }
    
        // Queues
        $fields= "name";
        $results = $db->select($fields,$dbtablequeues,"","","","","");
        if(is_array($results)) {
            foreach ($results as $result) {
               $thisexten = $result['name'];
               $data = array();
               $data['channel'] = "QUEUE/$thisexten";
               $data['type']    = "queue";
               $data['context'] = "queue-$thisexten";
               $data['name']    = $thisexten;
               $data['exten']   = $thisexten;
               $data['context_id'] = 0;
               $extenlist[$data['channel']] = $data;
            }
        }
    
        return $extenlist;
    
    }