import_view.php

<?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/>.

/**
 * Prints a particular instance of groupformation
 *
 * @package     mod_groupformation
 * @author      Eduard Gallwas, Johannes Konert, Rene Roepke, Nora Wester, Ahmed Zukic
 * @copyright   2015 MoodlePeers
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
require_once('../../config.php');
require('header.php');

require_once($CFG->dirroot . '/mod/groupformation/classes/controller/import_export_controller.php');
require_once($CFG->dirroot . '/mod/groupformation/classes/forms/import_form.php');

$filename = substr(__FILE__, strrpos(__FILE__, '\\') + 1);
$filename = substr($filename, strpos($filename, '/mod'));

$url = new moodle_url($filename, $urlparams);

// Set PAGE config.
$PAGE->set_url('/mod/groupformation/import_view.php', $urlparams);
$PAGE->set_title(format_string($groupformation->name));
$PAGE->set_heading(format_string($course->fullname));
$PAGE->set_context(context_module::instance($cm->id));
$PAGE->set_cm($cm);

// Import jQuery and js file.
groupformation_add_jquery($PAGE, 'settings_functions.js');

// Redirect if no access is granted for user.
if (has_capability('mod/groupformation:editsettings', $context)) {
    $returnurl = new moodle_url('/mod/groupformation/analysis_view.php', array('id' => $id, 'do_show' => 'analysis'));
    redirect($returnurl);
} else {
    $currenttab = $doshow;
}

$store = new mod_groupformation_storage_manager($groupformation->id);
$usermanager = new mod_groupformation_user_manager($groupformation->id);

if (!$store->is_questionnaire_available() || $usermanager->is_completed($userid)) {
    $returnurl = new moodle_url('/mod/groupformation/view.php', array('id' => $id, 'do_show' => 'view'));
    redirect($returnurl);
}

$cancel = optional_param('cancel', false, PARAM_BOOL);

if ($cancel) {
    // Handle form cancel operation.
    $returnurl = new moodle_url('/mod/groupformation/import_export_view.php', array('id' => $id, 'do_show' => 'import_export'));
    redirect($returnurl);
}

$currenttab = 'import_export';
// Echo standard header.
echo $OUTPUT->header();

// Print the tabs.
require('tabs.php');

// Instantiate form.
$mform = new mod_groupformation_import_form();

// Set default data (if any).
$toform = array('cmid' => $cm->id, 'id' => $cm->id);
$mform->set_data($toform);

$controller = new mod_groupformation_import_export_controller($groupformation->id, $cm);

if ($fromform = $mform->get_data()) {
    // In this case you process validated data.
    // $mform->get_data() returns data posted in form.
    if ($content = $mform->get_file_content('userfile') && ($name = $mform->get_new_filename('userfile')) &&
        (substr($name, strlen($name) - 4, 4) == '.xml')
    ) {

        $content = $mform->get_file_content('userfile');
        try {
            $controller->import_xml($content);
            $controller->render_result(true);
        } catch (Exception $e) {
            $controller->render_result(false);
        }
    } else {
        // Render form for file upload.
        $controller->render_form($mform, true);
    }
} else {
    // Render form for file upload.
    $controller->render_form($mform, false);
}


echo $OUTPUT->footer();