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<?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/>.
/**
* Cohort related management functions, this file needs to be included manually.
*
* @package core_cohort
* @copyright 2010 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require('../config.php');
require_once($CFG->dirroot.'/course/lib.php');
require_once($CFG->dirroot.'/cohort/lib.php');
require_once($CFG->dirroot.'/cohort/edit_form.php');
$id = optional_param('id', 0, PARAM_INT);
$contextid = optional_param('contextid', 0, PARAM_INT);
$delete = optional_param('delete', 0, PARAM_BOOL);
$show = optional_param('show', 0, PARAM_BOOL);
$hide = optional_param('hide', 0, PARAM_BOOL);
$confirm = optional_param('confirm', 0, PARAM_BOOL);
$returnurl = optional_param('returnurl', '', PARAM_LOCALURL);
require_login();
$category = null;
if ($id) {
$cohort = $DB->get_record('cohort', array('id'=>$id), '*', MUST_EXIST);
$context = context::instance_by_id($cohort->contextid, MUST_EXIST);
} else {
$context = context::instance_by_id($contextid, MUST_EXIST);
if ($context->contextlevel != CONTEXT_COURSECAT and $context->contextlevel != CONTEXT_SYSTEM) {
print_error('invalidcontext');
}
$cohort = new stdClass();
$cohort->id = 0;
$cohort->contextid = $context->id;
$cohort->name = '';
$cohort->description = '';
}
require_capability('moodle/cohort:manage', $context);
if ($returnurl) {
$returnurl = new moodle_url($returnurl);
} else {
$returnurl = new moodle_url('/cohort/index.php', array('contextid'=>$context->id));
}
if (!empty($cohort->component)) {
// We can not manually edit cohorts that were created by external systems, sorry.
redirect($returnurl);
}
$PAGE->set_context($context);
$baseurl = new moodle_url('/cohort/edit.php', array('contextid' => $context->id, 'id' => $cohort->id));
$PAGE->set_url($baseurl);
$PAGE->set_context($context);
$PAGE->set_pagelayout('admin');
if ($context->contextlevel == CONTEXT_COURSECAT) {
$category = $DB->get_record('course_categories', array('id'=>$context->instanceid), '*', MUST_EXIST);
navigation_node::override_active_url(new moodle_url('/cohort/index.php', array('contextid'=>$cohort->contextid)));
} else {
navigation_node::override_active_url(new moodle_url('/cohort/index.php', array()));
}
if ($delete and $cohort->id) {
$PAGE->url->param('delete', 1);
if ($confirm and confirm_sesskey()) {
cohort_delete_cohort($cohort);
redirect($returnurl);
}
$strheading = get_string('delcohort', 'cohort');
$PAGE->navbar->add($strheading);
$PAGE->set_title($strheading);
$PAGE->set_heading($COURSE->fullname);
echo $OUTPUT->header();
echo $OUTPUT->heading($strheading);
$yesurl = new moodle_url('/cohort/edit.php', array('id' => $cohort->id, 'delete' => 1,
'confirm' => 1, 'sesskey' => sesskey(), 'returnurl' => $returnurl->out_as_local_url()));
$message = get_string('delconfirm', 'cohort', format_string($cohort->name));
echo $OUTPUT->confirm($message, $yesurl, $returnurl);
echo $OUTPUT->footer();
die;
}
if ($show && $cohort->id && confirm_sesskey()) {
if (!$cohort->visible) {
$record = (object)array('id' => $cohort->id, 'visible' => 1, 'contextid' => $cohort->contextid);
cohort_update_cohort($record);
}
redirect($returnurl);
}
if ($hide && $cohort->id && confirm_sesskey()) {
if ($cohort->visible) {
$record = (object)array('id' => $cohort->id, 'visible' => 0, 'contextid' => $cohort->contextid);
cohort_update_cohort($record);
}
redirect($returnurl);
}
$editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES,
'maxbytes' => $SITE->maxbytes, 'context' => $context);
if ($cohort->id) {
// Edit existing.
$cohort = file_prepare_standard_editor($cohort, 'description', $editoroptions,
$context, 'cohort', 'description', $cohort->id);
$strheading = get_string('editcohort', 'cohort');
} else {
// Add new.
$cohort = file_prepare_standard_editor($cohort, 'description', $editoroptions,
$context, 'cohort', 'description', null);
$strheading = get_string('addcohort', 'cohort');
}
$PAGE->set_title($strheading);
$PAGE->set_heading($COURSE->fullname);
$PAGE->navbar->add($strheading);
$editform = new cohort_edit_form(null, array('editoroptions'=>$editoroptions, 'data'=>$cohort, 'returnurl'=>$returnurl));
if ($editform->is_cancelled()) {
redirect($returnurl);
} else if ($data = $editform->get_data()) {
$oldcontextid = $context->id;
$editoroptions['context'] = $context = context::instance_by_id($data->contextid);
if ($data->id) {
if ($data->contextid != $oldcontextid) {
// Cohort was moved to another context.
get_file_storage()->move_area_files_to_new_context($oldcontextid, $context->id,
'cohort', 'description', $data->id);
}
$data = file_postupdate_standard_editor($data, 'description', $editoroptions,
$context, 'cohort', 'description', $data->id);
cohort_update_cohort($data);
} else {
$data->descriptionformat = $data->description_editor['format'];
$data->description = $description = $data->description_editor['text'];
$data->id = cohort_add_cohort($data);
$editoroptions['context'] = $context = context::instance_by_id($data->contextid);
$data = file_postupdate_standard_editor($data, 'description', $editoroptions,
$context, 'cohort', 'description', $data->id);
if ($description != $data->description) {
$updatedata = (object)array('id' => $data->id,
'description' => $data->description, 'contextid' => $context->id);
cohort_update_cohort($updatedata);
}
}
if ($returnurl->get_param('showall') || $returnurl->get_param('contextid') == $data->contextid) {
// Redirect to where we were before.
redirect($returnurl);
} else {
// Use new context id, it has been changed.
redirect(new moodle_url('/cohort/index.php', array('contextid' => $data->contextid)));
}
}
echo $OUTPUT->header();
echo $OUTPUT->heading($strheading);
if (!$id && ($editcontrols = cohort_edit_controls($context, $baseurl))) {
echo $OUTPUT->render($editcontrols);
}
echo $editform->display();
echo $OUTPUT->footer();