<?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/>.

/**

* Displays forms for creation and configuration of review sessions

*

* If no session is specified, a form is displayed to create a new one.

* If a session is specified for editing, the form is displayed to allow it to be edited.

* If a session is specified for configuration, a form is displayed to allow reviews to be

* generated for the session.

*

* @package local_progressreview

* @copyright 2011 Taunton's College, UK

* @author Mark Johnson <mark.johnson@tauntons.ac.uk>

* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

*/

require_once('../../config.php');

require_once($CFG->dirroot.'/local/progressreview/lib.php');

require_once($CFG->dirroot.'/local/progressreview/course_selector.php');

require_once($CFG->dirroot.'/local/progressreview/renderer.php');

require_once($CFG->dirroot.'/local/progressreview/sessions_form.php');

require_login($SITE);

require_capability('moodle/local_progressreview:manage', $PAGE->context);

$id = optional_param('id', null, PARAM_INT);

$editid = optional_param('editid', '', PARAM_INT);

$generate_subject = optional_param('generate_subject', false, PARAM_TEXT);

$regenerate_subject = optional_param('regenerate_subject', false, PARAM_TEXT);

$snapshot = optional_param('snapshot', false, PARAM_TEXT);

$generate_tutor = optional_param('generate_tutor', false, PARAM_TEXT);

$regenerate_tutor = optional_param('regenerate_tutor', false, PARAM_TEXT);

$params = array_filter(array('id' => $id, 'editid' => $editid));

$PAGE->set_url('/local/progressreview/session.php', $params);

$PAGE->navbar->add(get_string('pluginname', 'local_progressreview'), '/local/progressreview');

$PAGE->navbar->add(get_string('sessions', 'local_progressreview'));

if (!$id) {

$form = new progressreview_session_form();

if ($data = $form->get_data()) {

$sessionid = $form->process($data);

add_to_log(SITEID, 'local_progressreview', 'update', $PAGE->url->out(), $sessionid);

$strcreated = get_string('sessioncreated', 'local_progressreview');

redirect($PAGE->url->out(true, array('id' => $sessionid)), $strcreated);

exit();

}

if ($editid) {

$session = $DB->get_record('progressreview_session', array('id' => $editid));

$session->editid = $session->id;

$params = array('sessionid' => $session->id);

$activeplugins = $DB->get_records('progressreview_activeplugins', $params);

$session->plugins = array();

foreach ($activeplugins as $activeplugin) {

$session->plugins[$activeplugin->plugin] = 1;

}

$form->set_data($session);

}

add_to_log(SITEID, 'local_progressreview', 'view form', $PAGE->url->out(), $editid);

} else {

$output = $PAGE->get_renderer('local_progressreview');

$session = $DB->get_record('progressreview_session', array('id' => $id));

$potential_subject_selector = new progressreview_potential_course_selector('potential_subjects');

$distributed_subject_selector = new progressreview_distributed_course_selector('distributed_subjects',

$session->id);

$excludes = $distributed_subject_selector->find_users();

foreach ($excludes as $exclude) {

$potential_subject_selector->exclude(array_keys($exclude));

}

$subjects = array();

if ($generate_subject) {

$subjects = $potential_subject_selector->get_selected_users();

} else if ($regenerate_subject || $snapshot) {

$subjects = $distributed_subject_selector->get_selected_users();

if ($snapshot) {

foreach ($subjects as $subject) {

progressreview_controller::snapshot_data($session->id, $subject->id);

}

redirect($PAGE->url->out(), get_string('snapshotted', 'local_progressreview'));

exit();

}

}

if ($subjects) {

foreach ($subjects as $subject) {

progressreview_controller::generate_reviews_for_course($subject->id,

$session->id,

PROGRESSREVIEW_SUBJECT);

}

redirect($PAGE->url->out(), get_string('reviewsgenerated', 'local_progressreview'));

exit();

}

$subject_selector = $output->course_selector_form($potential_subject_selector,

$distributed_subject_selector,

$session->id);

$content = $OUTPUT->heading(get_string('subjectreviews', 'local_progressreview'), 2);

$content .= $subject_selector;

// Tutor group selector

$potential_tutor_selector = new progressreview_potential_course_selector('potential_tutors');

$distributed_tutor_selector = new progressreview_distributed_course_selector('distributed_tutors',

$session->id,

PROGRESSREVIEW_TUTOR);

$excludes = $distributed_tutor_selector->find_users();

foreach ($excludes as $exclude) {

$potential_tutor_selector->exclude(array_keys($exclude));

}

$tutors = array();

if ($generate_tutor) {

$tutors = $potential_tutor_selector->get_selected_users();

} else if ($regenerate_tutor) {

$tutors = $distributed_tutor_selector->get_selected_users();

}

if ($tutors) {

add_to_log(SITEID,

'local_progressreview',

'update reviews',

$PAGE->url->out(),

count($tutors));

foreach ($tutors as $tutor) {

progressreview_controller::generate_reviews_for_course($tutor->id,

$session->id,

PROGRESSREVIEW_TUTOR);

}

redirect($PAGE->url->out(), get_string('reviewsgenerated', 'local_progressreview'));

exit();

}

add_to_log(SITEID, 'local_progressreview', 'view', $PAGE->url->out());

$tutor_selector = $output->course_selector_form($potential_tutor_selector,

$distributed_tutor_selector,

$session->id,

PROGRESSREVIEW_TUTOR);

$content .= $OUTPUT->heading(get_string('tutorreviews', 'local_progressreview'), 2);

$content .= $tutor_selector;

}

echo $OUTPUT->header();

if (isset($form)) {

$form->display();

} else {

echo $content;

}

echo $OUTPUT->footer();