See Release Notes
Long Term Support Release
Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401] [Versions 400 and 401]
1 <?php 2 3 // This file is part of Moodle - http://moodle.org/ 4 // 5 // Moodle is free software: you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation, either version 3 of the License, or 8 // (at your option) any later version. 9 // 10 // Moodle is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU General Public License for more details. 14 // 15 // You should have received a copy of the GNU General Public License 16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 17 18 require_once($CFG->dirroot.'/grade/export/lib.php'); 19 require_once($CFG->libdir.'/filelib.php'); 20 21 class grade_export_xml extends grade_export { 22 23 public $plugin = 'xml'; 24 public $updatedgradesonly = false; // default to export ALL grades 25 26 /** 27 * Ensure we produce correctly formed XML content by encoding idnumbers appropriately 28 * 29 * @param string $idnumber 30 * @return string 31 */ 32 private static function xml_export_idnumber(string $idnumber): string { 33 return htmlspecialchars($idnumber, ENT_QUOTES | ENT_XML1); 34 } 35 36 /** 37 * Handle form processing for export. Note we need to handle the case where there are no 'itemids[]' being included in the 38 * form, because each is disabled for selection due to having empty idnumber 39 * 40 * @param stdClass $formdata 41 */ 42 public function process_form($formdata) { 43 if (!isset($formdata->itemids)) { 44 $formdata->itemids = self::EXPORT_SELECT_NONE; 45 } 46 47 parent::process_form($formdata); 48 } 49 50 /** 51 * To be implemented by child classes 52 * @param boolean $feedback 53 * @param boolean $publish Whether to output directly, or send as a file 54 * @return string 55 */ 56 public function print_grades($feedback = false) { 57 global $CFG; 58 require_once($CFG->libdir.'/filelib.php'); 59 60 $export_tracking = $this->track_exports(); 61 62 $strgrades = get_string('grades'); 63 64 /// Calculate file name 65 $shortname = format_string($this->course->shortname, true, array('context' => context_course::instance($this->course->id))); 66 $downloadfilename = clean_filename("$shortname $strgrades.xml"); 67 68 make_temp_directory('gradeexport'); 69 $tempfilename = $CFG->tempdir .'/gradeexport/'. md5(sesskey().microtime().$downloadfilename); 70 if (!$handle = fopen($tempfilename, 'w+b')) { 71 throw new \moodle_exception('cannotcreatetempdir'); 72 } 73 74 /// time stamp to ensure uniqueness of batch export 75 fwrite($handle, '<results batch="xml_export_'.time().'">'."\n"); 76 77 $export_buffer = array(); 78 79 $geub = new grade_export_update_buffer(); 80 $gui = new graded_users_iterator($this->course, $this->columns, $this->groupid); 81 $gui->require_active_enrolment($this->onlyactive); 82 $gui->init(); 83 while ($userdata = $gui->next_user()) { 84 $user = $userdata->user; 85 86 if (empty($user->idnumber)) { 87 //id number must exist otherwise we cant match up students when importing 88 continue; 89 } 90 91 // studentgrades[] index should match with corresponding $index 92 foreach ($userdata->grades as $itemid => $grade) { 93 $grade_item = $this->grade_items[$itemid]; 94 $grade->grade_item =& $grade_item; 95 96 // MDL-11669, skip exported grades or bad grades (if setting says so) 97 if ($export_tracking) { 98 $status = $geub->track($grade); 99 if ($this->updatedgradesonly && ($status == 'nochange' || $status == 'unknown')) { 100 continue; 101 } 102 } 103 104 fwrite($handle, "\t<result>\n"); 105 106 if ($export_tracking) { 107 fwrite($handle, "\t\t<state>$status</state>\n"); 108 } 109 110 // only need id number 111 $gradeitemidnumber = self::xml_export_idnumber($grade_item->idnumber); 112 fwrite($handle, "\t\t<assignment>{$gradeitemidnumber}</assignment>\n"); 113 // this column should be customizable to use either student id, idnumber, uesrname or email. 114 $useridnumber = self::xml_export_idnumber($user->idnumber); 115 fwrite($handle, "\t\t<student>{$useridnumber}</student>\n"); 116 // Format and display the grade in the selected display type (real, letter, percentage). 117 if (is_array($this->displaytype)) { 118 // Grades display type came from the return of export_bulk_export_data() on grade publishing. 119 foreach ($this->displaytype as $gradedisplayconst) { 120 $gradestr = $this->format_grade($grade, $gradedisplayconst); 121 fwrite($handle, "\t\t<score>$gradestr</score>\n"); 122 } 123 } else { 124 // Grade display type submitted directly from the grade export form. 125 $gradestr = $this->format_grade($grade, $this->displaytype); 126 fwrite($handle, "\t\t<score>$gradestr</score>\n"); 127 } 128 129 if ($this->export_feedback) { 130 $feedbackstr = $this->format_feedback($userdata->feedbacks[$itemid], $grade); 131 fwrite($handle, "\t\t<feedback>$feedbackstr</feedback>\n"); 132 } 133 fwrite($handle, "\t</result>\n"); 134 } 135 } 136 fwrite($handle, "</results>"); 137 fclose($handle); 138 $gui->close(); 139 $geub->close(); 140 141 if (defined('BEHAT_SITE_RUNNING')) { 142 // If behat is running, we cannot test the output if we force a file download. 143 include($tempfilename); 144 } else { 145 @header("Content-type: text/xml; charset=UTF-8"); 146 send_temp_file($tempfilename, $downloadfilename, false); 147 } 148 } 149 } 150 151
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