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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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require_once $CFG->libdir.'/gradelib.php';
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require_once($CFG->libdir.'/xmlize.php');
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require_once $CFG->dirroot.'/grade/lib.php';
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require_once $CFG->dirroot.'/grade/import/lib.php';
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function import_xml_grades($text, $course, &$error) {
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global $USER, $DB;
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$importcode = get_new_importcode();
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$status = true;
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$content = xmlize($text);
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if (!empty($content['results']['#']['result'])) {
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$results = $content['results']['#']['result'];
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foreach ($results as $i => $result) {
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$gradeidnumber = $result['#']['assignment'][0]['#'];
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if (!$grade_items = grade_item::fetch_all(array('idnumber'=>$gradeidnumber, 'courseid'=>$course->id))) {
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// gradeitem does not exist
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// no data in temp table so far, abort
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$status = false;
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$error = get_string('errincorrectgradeidnumber', 'gradeimport_xml', $gradeidnumber);
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break;
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} else if (count($grade_items) != 1) {
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$status = false;
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$error = get_string('errduplicategradeidnumber', 'gradeimport_xml', $gradeidnumber);
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break;
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} else {
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$grade_item = reset($grade_items);
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}
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// grade item locked, abort
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if ($grade_item->is_locked()) {
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$status = false;
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$error = get_string('gradeitemlocked', 'grades');
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break;
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}
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// check if user exist and convert idnumber to user id
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$useridnumber = $result['#']['student'][0]['#'];
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if (!$user = $DB->get_record('user', array('idnumber' =>$useridnumber))) {
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// no user found, abort
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$status = false;
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$error = get_string('errincorrectuseridnumber', 'gradeimport_xml', $useridnumber);
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break;
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}
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// check if grade_grade is locked and if so, abort
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if ($grade_grade = new grade_grade(array('itemid'=>$grade_item->id, 'userid'=>$user->id))) {
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$grade_grade->grade_item =& $grade_item;
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if ($grade_grade->is_locked()) {
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// individual grade locked, abort
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$status = false;
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$error = get_string('gradelocked', 'grades');
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break;
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}
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}
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$newgrade = new stdClass();
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$newgrade->itemid = $grade_item->id;
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$newgrade->userid = $user->id;
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$newgrade->importcode = $importcode;
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$newgrade->importer = $USER->id;
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// check grade value exists and is a numeric grade
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if (isset($result['#']['score'][0]['#']) && $result['#']['score'][0]['#'] !== '-') {
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if (is_numeric($result['#']['score'][0]['#'])) {
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$newgrade->finalgrade = $result['#']['score'][0]['#'];
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} else {
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$status = false;
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$error = get_string('badgrade', 'grades');
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break;
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}
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} else {
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$newgrade->finalgrade = NULL;
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}
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// check grade feedback exists
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if (isset($result['#']['feedback'][0]['#'])) {
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$newgrade->feedback = $result['#']['feedback'][0]['#'];
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} else {
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$newgrade->feedback = NULL;
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}
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// insert this grade into a temp table
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$DB->insert_record('grade_import_values', $newgrade);
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}
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} else {
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// no results section found in xml,
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// assuming bad format, abort import
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$status = false;
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$error = get_string('errbadxmlformat', 'gradeimport_xml');
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}
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if ($status) {
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return $importcode;
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} else {
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import_cleanup($importcode);
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return false;
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}
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}
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