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efrain |
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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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// Prevent Caching Headers.
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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
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header("Cache-Control: no-cache");
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header("Pragma: no-cache");
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require_once('../../config.php');
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require_once($CFG->dirroot.'/mod/scorm/lib.php');
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require_once($CFG->dirroot.'/mod/scorm/locallib.php');
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require_once($CFG->dirroot.'/mod/scorm/datamodels/aicclib.php');
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foreach ($_POST as $key => $value) {
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$tempkey = strtolower($key);
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$_POST[$tempkey] = $value;
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}
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$command = required_param('command', PARAM_ALPHA);
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$sessionid = required_param('session_id', PARAM_ALPHANUM);
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$aiccdata = optional_param('aicc_data', '', PARAM_RAW);
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$cfgscorm = get_config('scorm');
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$url = new moodle_url('/mod/scorm/aicc.php', array('command' => $command, 'session_id' => $sessionid));
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if ($aiccdata !== 0) {
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$url->param('aicc_data', $aiccdata);
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}
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$PAGE->set_url($url);
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if (empty($cfgscorm->allowaicchacp)) {
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require_login();
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if (!confirm_sesskey($sessionid)) {
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throw new \moodle_exception('invalidsesskey');
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}
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$aiccuser = $USER;
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$scormsession = $SESSION->scorm;
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} else {
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$scormsession = scorm_aicc_confirm_hacp_session($sessionid);
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if (empty($scormsession)) {
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throw new \moodle_exception('invalidhacpsession', 'scorm');
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}
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$aiccuser = $DB->get_record('user', array('id' => $scormsession->userid), 'id,username,lastname,firstname', MUST_EXIST);
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}
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if (!empty($command)) {
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$command = strtolower($command);
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if (isset($scormsession->scoid)) {
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$scoid = $scormsession->scoid;
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} else {
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throw new \moodle_exception('cannotcallscript');
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}
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$mode = 'normal';
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if (isset($scormsession->scormmode)) {
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$mode = $scormsession->scormmode;
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}
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$status = 'Not Initialized';
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if (isset($scormsession->scormstatus)) {
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$status = $scormsession->scormstatus;
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}
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if (isset($scormsession->attempt)) {
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$attempt = $scormsession->attempt;
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} else {
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$attempt = 1;
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}
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$attemptobject = scorm_get_attempt($aiccuser->id, $scormsession->scormid, $attempt);
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if ($sco = scorm_get_sco($scoid, SCO_ONLY)) {
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if (!$scorm = $DB->get_record('scorm', array('id' => $sco->scorm))) {
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throw new \moodle_exception('cannotcallscript');
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}
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} else {
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throw new \moodle_exception('cannotcallscript');
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}
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$aiccrequest = "MOODLE scoid: $scoid"
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. "\r\nMOODLE mode: $mode"
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. "\r\nMOODLE status: $status"
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. "\r\nMOODLE attempt: $attempt"
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. "\r\nAICC sessionid: $sessionid"
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. "\r\nAICC command: $command"
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. "\r\nAICC aiccdata:\r\n$aiccdata";
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scorm_debug_log_write("aicc", "HACP Request:\r\n$aiccrequest", $scoid);
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ob_start();
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if ($scorm = $DB->get_record('scorm', array('id' => $sco->scorm))) {
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switch ($command) {
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case 'getparam':
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if ($status == 'Not Initialized') {
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$scormsession->scormstatus = 'Running';
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$status = 'Running';
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}
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if ($status != 'Running') {
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echo "error=101\r\nerror_text=Terminated\r\n";
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} else {
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if ($usertrack = scorm_get_tracks($scoid, $aiccuser->id, $attempt)) {
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$userdata = $usertrack;
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} else {
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$userdata->status = '';
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$userdata->score_raw = '';
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}
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$aiccuserid = get_config('scorm', 'aiccuserid');
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if (!empty($aiccuserid)) {
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$userdata->student_id = $aiccuser->id;
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} else {
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$userdata->student_id = $aiccuser->username;
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}
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$userdata->student_name = $aiccuser->lastname .', '. $aiccuser->firstname;
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$userdata->mode = $mode;
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if ($userdata->mode == 'normal') {
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$userdata->credit = 'credit';
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} else {
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$userdata->credit = 'no-credit';
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}
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if ($sco = scorm_get_sco($scoid)) {
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$userdata->course_id = $sco->identifier;
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$userdata->datafromlms = isset($sco->datafromlms) ? $sco->datafromlms : '';
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$userdata->mastery_score = isset($sco->mastery_score) && is_numeric($sco->mastery_score) ?
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trim($sco->mastery_score) : '';
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$userdata->max_time_allowed = isset($sco->max_time_allowed) ? $sco->max_time_allowed : '';
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$userdata->time_limit_action = isset($sco->time_limit_action) ? $sco->time_limit_action : '';
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echo "error=0\r\nerror_text=Successful\r\naicc_data=";
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echo "[Core]\r\n";
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echo 'Student_ID='.$userdata->student_id."\r\n";
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echo 'Student_Name='.$userdata->student_name."\r\n";
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if (isset($userdata->{'cmi.core.lesson_location'})) {
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echo 'Lesson_Location='.$userdata->{'cmi.core.lesson_location'}."\r\n";
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} else {
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echo 'Lesson_Location='."\r\n";
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}
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echo 'Credit='.$userdata->credit."\r\n";
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if (isset($userdata->status)) {
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if ($userdata->status == '') {
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$userdata->entry = ', ab-initio';
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} else {
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if (isset($userdata->{'cmi.core.exit'}) && ($userdata->{'cmi.core.exit'} == 'suspend')) {
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$userdata->entry = ', resume';
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} else {
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$userdata->entry = '';
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}
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}
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}
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if (isset($userdata->{'cmi.core.lesson_status'})) {
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echo 'Lesson_Status='.$userdata->{'cmi.core.lesson_status'}.$userdata->entry."\r\n";
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$scormsession->scorm_lessonstatus = $userdata->{'cmi.core.lesson_status'};
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} else {
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echo 'Lesson_Status=not attempted'.$userdata->entry."\r\n";
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$scormsession->scorm_lessonstatus = 'not attempted';
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}
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if (isset($userdata->{'cmi.core.score.raw'})) {
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$max = '';
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$min = '';
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if (isset($userdata->{'cmi.core.score.max'}) && !empty($userdata->{'cmi.core.score.max'})) {
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$max = ', '.$userdata->{'cmi.core.score.max'};
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if (isset($userdata->{'cmi.core.score.min'}) && !empty($userdata->{'cmi.core.score.min'})) {
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$min = ', '.$userdata->{'cmi.core.score.min'};
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}
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}
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echo 'Score='.$userdata->{'cmi.core.score.raw'}.$max.$min."\r\n";
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} else {
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echo 'Score='."\r\n";
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}
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if (isset($userdata->{'cmi.core.total_time'})) {
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echo 'Time='.$userdata->{'cmi.core.total_time'}."\r\n";
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} else {
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echo 'Time='.'00:00:00'."\r\n";
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}
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echo 'Lesson_Mode='.$userdata->mode."\r\n";
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if (isset($userdata->{'cmi.suspend_data'})) {
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echo "[Core_Lesson]\r\n".rawurldecode($userdata->{'cmi.suspend_data'})."\r\n";
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} else {
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echo "[Core_Lesson]\r\n";
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}
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echo "[Core_Vendor]\r\n".$userdata->datafromlms."\r\n";
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echo "[Evaluation]\r\nCourse_ID = {".$userdata->course_id."}\r\n";
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echo "[Student_Data]\r\n";
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echo 'Mastery_Score='.$userdata->mastery_score."\r\n";
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echo 'Max_Time_Allowed='.$userdata->max_time_allowed."\r\n";
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echo 'Time_Limit_Action='.$userdata->time_limit_action."\r\n";
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} else {
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throw new \moodle_exception('cannotfindsco', 'scorm');
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}
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}
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break;
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case 'putparam':
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if ($status == 'Running') {
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if (! $cm = get_coursemodule_from_instance("scorm", $scorm->id, $scorm->course)) {
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echo "error=1\r\nerror_text=Unknown\r\n"; // No one must see this error message if not hacked.
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}
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$savetrack = has_capability('mod/scorm:savetrack', context_module::instance($cm->id), $aiccuser->id);
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if (!empty($aiccdata) && $savetrack) {
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$initlessonstatus = 'not attempted';
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$lessonstatus = 'not attempted';
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if (isset($scormsession->scorm_lessonstatus)) {
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$initlessonstatus = $scormsession->scorm_lessonstatus;
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}
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$score = '';
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$datamodel['lesson_location'] = 'cmi.core.lesson_location';
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$datamodel['lesson_status'] = 'cmi.core.lesson_status';
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$datamodel['score'] = 'cmi.core.score.raw';
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$datamodel['time'] = 'cmi.core.session_time';
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$datamodel['[core_lesson]'] = 'cmi.suspend_data';
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$datamodel['[comments]'] = 'cmi.comments';
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$datarows = explode("\r\n", $aiccdata);
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reset($datarows);
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$multirowvalue = '';
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$multirowelement = '';
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foreach ($datarows as $did => $datarow) {
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$equal = strpos($datarow, '=');
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if ($equal === false || !empty($multirowelement)) {
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if (empty($multirowelement)) {
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if (isset($datamodel[strtolower(trim($datarow))])) {
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$multirowelement = $datamodel[strtolower(trim($datarow))];
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} else {
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// An element was passed by the external AICC package is not one we care about.
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continue;
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}
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}
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$multirowvalue .= $datarow."\r\n";
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if (isset($datarows[$did + 1]) && substr($datarows[$did + 1], 0, 1) != '[') {
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// This is a multiline row, we haven't found the end yet.
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continue;
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}
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$value = rawurlencode($multirowvalue);
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$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id, $attemptobject,
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$multirowelement, $value);
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$multirowvalue = $multirowelement = '';
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} else {
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$element = strtolower(trim(substr($datarow, 0, $equal)));
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$value = trim(substr($datarow, $equal + 1));
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if (isset($datamodel[$element])) {
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$element = $datamodel[$element];
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switch ($element) {
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case 'cmi.core.lesson_location':
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$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,
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$attemptobject, $element, $value);
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break;
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case 'cmi.core.lesson_status':
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$statuses = array(
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'passed' => 'passed',
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'completed' => 'completed',
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'failed' => 'failed',
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'incomplete' => 'incomplete',
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'browsed' => 'browsed',
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'not attempted' => 'not attempted',
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'p' => 'passed',
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'c' => 'completed',
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'f' => 'failed',
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'i' => 'incomplete',
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'b' => 'browsed',
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'n' => 'not attempted'
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);
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$exites = array(
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'logout' => 'logout',
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'time-out' => 'time-out',
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'suspend' => 'suspend',
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'l' => 'logout',
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't' => 'time-out',
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's' => 'suspend',
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);
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$values = explode(',', $value);
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$value = '';
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if (count($values) > 1) {
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$value = trim(strtolower($values[1]));
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$value = $value[0];
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280 |
if (isset($exites[$value])) {
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$value = $exites[$value];
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282 |
}
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}
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284 |
if (empty($value) || isset($exites[$value])) {
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$subelement = 'cmi.core.exit';
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$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,
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$attemptobject, $subelement, $value);
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}
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$value = trim(strtolower($values[0]));
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$value = $value[0];
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if (isset($statuses[$value]) && ($mode == 'normal')) {
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$value = $statuses[$value];
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$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,
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$attemptobject, $element, $value);
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}
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296 |
$lessonstatus = $value;
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break;
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case 'cmi.core.score.raw':
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$values = explode(',', $value);
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300 |
if ((count($values) > 1) && ($values[1] >= $values[0]) && is_numeric($values[1])) {
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301 |
$subelement = 'cmi.core.score.max';
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$value = trim($values[1]);
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$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,
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$attemptobject, $subelement, $value);
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if ((count($values) == 3) && ($values[2] <= $values[0]) && is_numeric($values[2])) {
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$subelement = 'cmi.core.score.min';
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307 |
$value = trim($values[2]);
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308 |
$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,
|
|
|
309 |
$attemptobject, $subelement, $value);
|
|
|
310 |
}
|
|
|
311 |
}
|
|
|
312 |
|
|
|
313 |
$value = '';
|
|
|
314 |
if (is_numeric($values[0])) {
|
|
|
315 |
$value = trim($values[0]);
|
|
|
316 |
$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,
|
|
|
317 |
$attemptobject, $element, $value);
|
|
|
318 |
}
|
|
|
319 |
$score = $value;
|
|
|
320 |
break;
|
|
|
321 |
case 'cmi.core.session_time':
|
|
|
322 |
$scormsession->sessiontime = $value;
|
|
|
323 |
break;
|
|
|
324 |
}
|
|
|
325 |
}
|
|
|
326 |
}
|
|
|
327 |
}
|
|
|
328 |
if (($mode == 'browse') && ($initlessonstatus == 'not attempted')) {
|
|
|
329 |
$lessonstatus = 'browsed';
|
|
|
330 |
$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,
|
|
|
331 |
$attemptobject, 'cmi.core.lesson_status', 'browsed');
|
|
|
332 |
}
|
|
|
333 |
if ($mode == 'normal') {
|
|
|
334 |
if ($sco = scorm_get_sco($scoid)) {
|
|
|
335 |
if (isset($sco->mastery_score) && is_numeric($sco->mastery_score)) {
|
|
|
336 |
if ($score != '') { // Score is correctly initialized w/ an empty string, see above.
|
|
|
337 |
if ($score >= trim($sco->mastery_score)) {
|
|
|
338 |
$lessonstatus = 'passed';
|
|
|
339 |
} else {
|
|
|
340 |
$lessonstatus = 'failed';
|
|
|
341 |
}
|
|
|
342 |
}
|
|
|
343 |
}
|
|
|
344 |
$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,
|
|
|
345 |
$attemptobject, 'cmi.core.lesson_status', $lessonstatus);
|
|
|
346 |
}
|
|
|
347 |
}
|
|
|
348 |
}
|
|
|
349 |
echo "error=0\r\nerror_text=Successful\r\n";
|
|
|
350 |
} else if ($status == 'Terminated') {
|
|
|
351 |
echo "error=1\r\nerror_text=Terminated\r\n";
|
|
|
352 |
} else {
|
|
|
353 |
echo "error=1\r\nerror_text=Not Initialized\r\n";
|
|
|
354 |
}
|
|
|
355 |
break;
|
|
|
356 |
case 'putcomments':
|
|
|
357 |
if ($status == 'Running') {
|
|
|
358 |
echo "error=0\r\nerror_text=Successful\r\n";
|
|
|
359 |
} else if ($status == 'Terminated') {
|
|
|
360 |
echo "error=1\r\nerror_text=Terminated\r\n";
|
|
|
361 |
} else {
|
|
|
362 |
echo "error=1\r\nerror_text=Not Initialized\r\n";
|
|
|
363 |
}
|
|
|
364 |
break;
|
|
|
365 |
case 'putinteractions':
|
|
|
366 |
if ($status == 'Running') {
|
|
|
367 |
echo "error=0\r\nerror_text=Successful\r\n";
|
|
|
368 |
} else if ($status == 'Terminated') {
|
|
|
369 |
echo "error=1\r\nerror_text=Terminated\r\n";
|
|
|
370 |
} else {
|
|
|
371 |
echo "error=1\r\nerror_text=Not Initialized\r\n";
|
|
|
372 |
}
|
|
|
373 |
break;
|
|
|
374 |
case 'putobjectives':
|
|
|
375 |
if ($status == 'Running') {
|
|
|
376 |
echo "error=0\r\nerror_text=Successful\r\n";
|
|
|
377 |
} else if ($status == 'Terminated') {
|
|
|
378 |
echo "error=1\r\nerror_text=Terminated\r\n";
|
|
|
379 |
} else {
|
|
|
380 |
echo "error=1\r\nerror_text=Not Initialized\r\n";
|
|
|
381 |
}
|
|
|
382 |
break;
|
|
|
383 |
case 'putpath':
|
|
|
384 |
if ($status == 'Running') {
|
|
|
385 |
echo "error=0\r\nerror_text=Successful\r\n";
|
|
|
386 |
} else if ($status == 'Terminated') {
|
|
|
387 |
echo "error=1\r\nerror_text=Terminated\r\n";
|
|
|
388 |
} else {
|
|
|
389 |
echo "error=1\r\nerror_text=Not Initialized\r\n";
|
|
|
390 |
}
|
|
|
391 |
break;
|
|
|
392 |
case 'putperformance':
|
|
|
393 |
if ($status == 'Running') {
|
|
|
394 |
echo "error=0\r\nerror_text=Successful\r\n";
|
|
|
395 |
} else if ($status == 'Terminated') {
|
|
|
396 |
echo "error=1\r\nerror_text=Terminated\r\n";
|
|
|
397 |
} else {
|
|
|
398 |
echo "error=1\r\nerror_text=Not Initialized\r\n";
|
|
|
399 |
}
|
|
|
400 |
break;
|
|
|
401 |
case 'exitau':
|
|
|
402 |
if ($status == 'Running') {
|
|
|
403 |
if (isset($scormsession->sessiontime) && ($scormsession->sessiontime != '')) {
|
|
|
404 |
$track = scorm_get_sco_value($sco->id, $aiccuser->id, 'cmi.core.total_time', $attempt);
|
|
|
405 |
if (!empty($track)) {
|
|
|
406 |
// Add session_time to total_time.
|
|
|
407 |
$value = scorm_add_time($track->value, $scormsession->sessiontime);
|
|
|
408 |
$v = new stdClass();
|
|
|
409 |
$v->id = $track->valueid;
|
|
|
410 |
$v->value = $value;
|
|
|
411 |
$v->timemodified = time();
|
|
|
412 |
$DB->update_record('scorm_scoes_value', $v);
|
|
|
413 |
} else {
|
|
|
414 |
$track = new stdClass();
|
|
|
415 |
$track->scoid = $sco->id;
|
|
|
416 |
$track->element = scorm_get_elementid('cmi.core.total_time');
|
|
|
417 |
$track->value = $scormsession->sessiontime;
|
|
|
418 |
$atobject = scorm_get_attempt($aiccuser->id, $scormsession->scormid, $attempt);
|
|
|
419 |
$track->attempt = $atobject->id;
|
|
|
420 |
$track->timemodified = time();
|
|
|
421 |
$id = $DB->insert_record('scorm_scoes_value', $track);
|
|
|
422 |
}
|
|
|
423 |
scorm_update_grades($scorm, $aiccuser->id);
|
|
|
424 |
}
|
|
|
425 |
$scormsession->scormstatus = 'Terminated';
|
|
|
426 |
$scormsession->session_time = '';
|
|
|
427 |
echo "error=0\r\nerror_text=Successful\r\n";
|
|
|
428 |
} else if ($status == 'Terminated') {
|
|
|
429 |
echo "error=1\r\nerror_text=Terminated\r\n";
|
|
|
430 |
} else {
|
|
|
431 |
echo "error=1\r\nerror_text=Not Initialized\r\n";
|
|
|
432 |
}
|
|
|
433 |
break;
|
|
|
434 |
default:
|
|
|
435 |
echo "error=1\r\nerror_text=Invalid Command\r\n";
|
|
|
436 |
break;
|
|
|
437 |
}
|
|
|
438 |
}
|
|
|
439 |
} else {
|
|
|
440 |
if (empty($command)) {
|
|
|
441 |
echo "error=1\r\nerror_text=Invalid Command\r\n";
|
|
|
442 |
} else {
|
|
|
443 |
echo "error=3\r\nerror_text=Invalid Session ID\r\n";
|
|
|
444 |
}
|
|
|
445 |
}
|
|
|
446 |
if (empty($cfgscorm->allowaicchacp)) {
|
|
|
447 |
$SESSION->scorm = $scormsession;
|
|
|
448 |
} else {
|
|
|
449 |
$scormsession->timemodified = time();
|
|
|
450 |
$DB->update_record('scorm_aicc_session', $scormsession);
|
|
|
451 |
}
|
|
|
452 |
|
|
|
453 |
$aiccresponse = ob_get_contents();
|
|
|
454 |
scorm_debug_log_write("aicc", "HACP Response:\r\n$aiccresponse", $scoid);
|
|
|
455 |
ob_end_flush();
|