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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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require_once('../../../config.php');
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require_once($CFG->dirroot.'/mod/scorm/locallib.php');
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$id = optional_param('id', '', PARAM_INT); // Course Module ID, or
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$a = optional_param('a', '', PARAM_INT); // scorm ID.
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$scoid = required_param('scoid', PARAM_INT); // Sco ID.
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$attempt = required_param('attempt', PARAM_INT); // Attempt number.
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$function = required_param('function', PARAM_RAW); // Function to call.
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$request = optional_param('request', '', PARAM_RAW); // Scorm ID.
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if (!empty($id)) {
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$cm = get_coursemodule_from_id('scorm', $id, 0, false, MUST_EXIST);
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$course = $DB->get_record("course", array("id" => $cm->course), '*', MUST_EXIST);
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$scorm = $DB->get_record("scorm", array("id" => $cm->instance), '*', MUST_EXIST);
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} else if (!empty($a)) {
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$scorm = $DB->get_record("scorm", array("id" => $a), '*', MUST_EXIST);
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$course = $DB->get_record("course", array("id" => $scorm->course), '*', MUST_EXIST);
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$cm = get_coursemodule_from_instance("scorm", $scorm->id, $course->id, false, MUST_EXIST);
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} else {
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throw new \moodle_exception('missingparameter');
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}
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$PAGE->set_url('/mod/scorm/datamodels/sequencinghandler.php',
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array('scoid' => $scoid, 'attempt' => $attempt, 'id' => $cm->id, 'function' => $function, 'request' => $request));
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require_login($course, false, $cm);
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if (!empty($scoid) && !empty($function)) {
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require_once($CFG->dirroot.'/mod/scorm/datamodels/scorm_13lib.php');
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if (has_capability('mod/scorm:savetrack', context_module::instance($cm->id))) {
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$result = null;
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switch ($function) {
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case 'scorm_seq_flow' :
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if ($request == 'forward' || $request == 'backward') {
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$seq = scorm_seq_navigation ($scoid, $USER->id, $request.'_', $attempt);
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$sco = scorm_get_sco($scoid);
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$seq = scorm_seq_flow($sco, $request, $seq, true, $USER->id);
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if (!empty($seq->nextactivity)) {
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scorm_seq_end_attempt($sco, $USER->id, $seq);
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}
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}
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echo json_encode($seq);
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break;
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}
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}
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}
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