root/modules/branches/2.3/callback/functions.inc.php

<?php /* $Id */

// returns a associative arrays with keys 'destination' and 'description'
function callback_destinations() {
  //get the list of meetmes
  $results = callback_list();

  // return an associative array with destination and description
  if (isset($results)) {
    foreach($results as $result){
        $extens[] = array('destination' => 'callback,'.$result['callback_id'].',1', 'description' => $result['description']);
    }
    return $extens;
  } else {
    return null;
  }
}

/*  Generates dialplan for callback
  We call this with retrieve_conf
*/
function callback_get_config($engine) {
  global $ext;  // is this the best way to pass this?
  global $asterisk_conf;
  switch($engine) {
    case "asterisk":
      $timelist = callback_list();
      if(is_array($timelist)) {
        foreach($timelist as $item) {
          //$thisitem = callback_get(ltrim($item['callback_id']));
          // add dialplan
          
          // use callbacknum if avail, otherwise use cidnum
          $callback_num = (empty($item['callbacknum']) ? '${CALLERID(number)}' : $item['callbacknum']);
          $ext->add('callback', $item['callback_id'], '', new ext_setvar("CALL",$callback_num));
          
          //substitute commas with periods to keep asterisk dialplan variables happy
          $callback_destination = str_replace(",",".",$item['destination']);
          $ext->add('callback', $item['callback_id'], '', new ext_setvar("DESTINATION",$callback_destination));
          
          // set sleep time
          $sleep = (empty($item['sleep']) ? '0' : $item['sleep']);
          $ext->add('callback', $item['callback_id'], '', new ext_setvar("SLEEP",$sleep));
          
          // kick off the callback script - run in background (&) so we can hangup
          $ext->add('callback', $item['callback_id'], '', new ext_system((empty($asterisk_conf['astvarlib']) ? '/var/lib/asterisk' : $asterisk_conf['astvarlib']).'/bin/callback ${CALL} ${DESTINATION} ${SLEEP} &'));
          
          //hangup
          $ext->add('callback', $item['callback_id'], '', new ext_hangup(''));
        }
        
      }
    break;
  }
}

//get the existing meetme extensions
function callback_list() {
  $results = sql("SELECT * FROM callback","getAll",DB_FETCHMODE_ASSOC);
  if(is_array($results)){
    foreach($results as $result){
      // check to see if we have a dept match for the current AMP User.
      if (checkDept($result['deptname'])){
        // return this item's dialplan destination, and the description
        $allowed[] = $result;
      }
    }
  }
  if (isset($allowed)) {
    return $allowed;
  } else { 
    return null;
  }
}

function callback_get($id){
  //get all the variables for the meetme
  $results = sql("SELECT * FROM callback WHERE callback_id = '$id'","getRow",DB_FETCHMODE_ASSOC);
  return $results;
}

function callback_del($id){
  $results = sql("DELETE FROM callback WHERE callback_id = '$id'","query");
}

function callback_add($post){
  if(!callback_chk($post))
    return false;
  extract($post);
  if(empty($description)) $description = ${$goto0.'0'};
  $results = sql("INSERT INTO callback (description,callbacknum,destination,deptname,sleep) values (\"$description\",\"$callbacknum\",\"${$goto0.'0'}\",\"$deptname\",\"$sleep\")");
}

function callback_edit($id,$post){
  if(!callback_chk($post))
    return false;
  extract($post);
  if(empty($description)) $description = ${$goto0.'0'};
  $results = sql("UPDATE callback SET description = \"$description\", callbacknum = \"$callbacknum\", destination = \"${$goto0.'0'}\", deptname = \"$deptname\", sleep = \"$sleep\" WHERE callback_id = \"$id\"");
}

// ensures post vars is valid
function callback_chk($post){
  return true;
}
?>