Drush CiviCRM proof of concept

<?php
/*
 * Copyright (C) 2010 Kasper Souren
 * Licensed to CiviCRM under the GNU General Public License v2 or later
 *
 */


define('MODULE_BUILDER_ENV', 'drush');

/**
 * Implementation of hook_drush_command().
 *
 * In this hook, you specify which commands your
 * drush module makes available, what it does and
 * description.
 *
 * Notice how this structure closely resembles how
 * you define menu hooks.
 *
 * @See drush_parse_command() for a list of recognized keys.
 *
 * @return
 *   An associative array describing your command(s).
 */
function civicrm_drush_command() {
  $items = array();

  // the key in the $items array is the name of the command.
  $items['crm api'] = array(
    'callback' => 'crm_api_call',
    'description' => "Call CiviCRM API.",
    'arguments' => array(
      'api function' => 'API function.',
      'arguments' => 'Arguments.',
    ),
   'options' => array(
      '--csv' => "output as csv.",
    )
  );

  $items['crm bin'] = array(
    'callback' => 'crm_bin_call',
    'description' => "CiviCRM bin/ scripts.",
    'arguments' => array(
      'api function' => 'API function.',
      'arguments' => 'Arguments.',
    ),
  );

  $items['crm clear'] = array(
    'callback' => 'crm_clear_call',
    'description' => "Clear CiviCRM cache.",
  );

  return $items;
}

/**
 * Implementation of hook_drush_help().
 *
 * This function is called whenever a drush user calls
 * 'drush help <name-of-your-command>'
 *
 * @param
 *   A string with the help section (prepend with 'drush:')
 *
 * @return
 *   A string with the help text for your command.
 */
function civicrm_drush_help($section) {
  switch ($section) {
    case 'drush:mb':
      return dt("CiviCRM proof of concept.");
  }
}

/**
 * Module builder drush command callback.
 *
 * Form:
 * $drush mb machine_name hookA hookB hookC
 * where 'hookA' is the short name, ie 'menu' not hook_menu'.
 */
function crm_api_call() {
  $args = func_get_args();
  civicrm_initialize();
  //  Uncomment return self::error( 'Unknown function invocation' ) in REST.php
  require('CRM/Utils/REST.php');
  array_unshift( $args, null );
  $result = CRM_Utils_Rest::process( $args );
  $csv = drush_get_option('csv');
  if ($csv) {
    foreach ($result as $row) {
      fputcsv (STDOUT, $row);
    }
  } else {
    print_r( $result );
  }
}

function crm_bin_call() {
  $args = func_get_args();
  # e.g. UpdateMembershipRecord.php, CiviMailProcessor.php, civimail.cronjob.php                                                            
  $cmd = $args[0];
  print $cmd;
  # TODO: fix Failed opening required '../civicrm.config.php'                                                                               
  require ('bin/' . $args[0]);
}


function crm_clear_call() {
  civicrm_initialize();
  if ( strlen(CIVICRM_TEMPLATE_COMPILEDIR) > 5 ) {
    $exec = 'rm -r ' . CIVICRM_TEMPLATE_COMPILEDIR;
    system ($exec);
    echo "CiviCRM template dir cleared\n";
  } else {
    echo "Your template dir is probably not configured as it should be: " . CIVICRM_TEMPLATE_COMPILEDIR . "\n";
  }

  require('CRM/Admin/Form/Setting.php');
  CRM_Admin_Form_Setting::rebuildMenu();
  echo "Menu has been rebuilt (and Config.IDS.ini has been deleted).\n";
  drush_core_cache_clear();
}

# todo:
#  http://wiki.civicrm.org/confluence/display/CRMDOC/Command-line+Script+Configuration