<?php

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Web services admin UI
 *
 * @package   webservice
 * @copyright 2009 Moodle Pty Ltd (http://moodle.com)
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once('../../config.php');
require_once($CFG->libdir.'/adminlib.php');
require_once('forms.php');

$id      = required_param('id', PARAM_INT);
$action  = optional_param('action', '', PARAM_ACTION);
$confirm = optional_param('confirm', 0, PARAM_BOOL);

$PAGE->set_url('/admin/external_service.php', array('id'=>$id));
$PAGE->navbar->ignore_active(true);
$PAGE->navbar->add(get_string('administrationsite'));
$PAGE->navbar->add(get_string('plugins', 'admin'));
$PAGE->navbar->add(get_string('webservices', 'webservice'));
$PAGE->navbar->add(get_string('externalservices', 'webservice'), new moodle_url('/admin/settings.php?section=externalservices'));
if (empty($id)) {
    $PAGE->navbar->add(get_string('addaservice', 'webservice'));
} else if($action == "delete") {
    $PAGE->navbar->add(get_string('deleteaservice', 'webservice'));
} else {
    $PAGE->navbar->add(get_string('editaservice', 'webservice'));
}

admin_externalpage_setup('externalservice');

$returnurl = "$CFG->wwwroot/$CFG->admin/settings.php?section=externalservices";

if ($id) {
    $service = $DB->get_record('external_services', array('id'=>$id), '*', MUST_EXIST);
} else {
    $service = null;
}

if ($action == 'delete' and confirm_sesskey() and $service and empty($service->component)) {
    if (!$confirm) {
        echo $OUTPUT->header();
        $optionsyes = array('id'=>$id, 'action'=>'delete', 'confirm'=>1, 'sesskey'=>sesskey());
        $optionsno  = array('section'=>'externalservices');
        $formcontinue = new single_button(new moodle_url('service.php', $optionsyes), get_string('delete'), 'post');
        $formcancel = new single_button(new moodle_url("$CFG->wwwroot/$CFG->admin/settings.php", $optionsno), get_string('cancel'), 'get');
        echo $OUTPUT->confirm(get_string('deleteserviceconfirm', 'webservice', $service->name), $formcontinue, $formcancel);
        echo $OUTPUT->footer();
        die;
    }
    $DB->delete_records('external_services_users', array('externalserviceid'=>$service->id));
    $DB->delete_records('external_services_functions', array('externalserviceid'=>$service->id));
    $DB->delete_records('external_services', array('id'=>$service->id));
    add_to_log(1, 'webservice', 'delete', $CFG->wwwroot."/$CFG->admin/settings.php?section=externalservices", get_string('deleteservice', 'webservice', $service));
    redirect($returnurl);
}

$mform = new external_service_form(null, $service);

if ($mform->is_cancelled()) {
    redirect($returnurl);

} else if ($data = $mform->get_data()) {
    $data = (object)$data;
  if (!empty($data->requiredcapability) && $data->requiredcapability == "norequiredcapability")
      {
          $data->requiredcapability = "";
      }

    if (empty($data->id)) {
        $data->timecreated = mktime();
        $data->id = $DB->insert_record('external_services', $data);
        add_to_log(1, 'webservice', 'add', $CFG->wwwroot."/$CFG->admin/settings.php?section=externalservices", get_string('addservice', 'webservice', $data));
    } else {
        $data->timemodified = mktime();
        $DB->update_record('external_services', $data);
        add_to_log(1, 'webservice', 'edit', $CFG->wwwroot."/$CFG->admin/settings.php?section=externalservices", get_string('editservice', 'webservice', $data));
    }

    redirect($returnurl);
}

echo $OUTPUT->header();
$mform->display();
echo $OUTPUT->footer();