chamilo /
chamilo-lms
| Total Complexity | 177 |
| Total Lines | 1174 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like MoodleImport often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use MoodleImport, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 11 | class MoodleImport |
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| 12 | { |
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| 13 | /** |
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| 14 | * Import moodle file. |
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| 15 | * |
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| 16 | * @param resource $uploadedFile *.* mbz file moodle course backup |
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| 17 | * |
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| 18 | * @throws Exception |
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| 19 | * |
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| 20 | * @return bool |
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| 21 | */ |
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| 22 | public function import($uploadedFile) |
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| 23 | { |
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| 24 | $debug = false; |
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| 25 | if (UPLOAD_ERR_OK !== $uploadedFile['error']) { |
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| 26 | throw new Exception(get_lang('UploadError')); |
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| 27 | } |
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| 28 | |||
| 29 | $cachePath = api_get_path(SYS_ARCHIVE_PATH); |
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| 30 | $tempPath = $uploadedFile['tmp_name']; |
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| 31 | $nameParts = explode('.', $uploadedFile['name']); |
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| 32 | $extension = array_pop($nameParts); |
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| 33 | $name = basename($tempPath).".$extension"; |
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| 34 | |||
| 35 | if (!move_uploaded_file($tempPath, api_get_path(SYS_ARCHIVE_PATH).$name)) { |
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| 36 | throw new Exception(get_lang('UploadError')); |
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| 37 | } |
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| 38 | |||
| 39 | $filePath = $cachePath.$name; |
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| 40 | if (!is_readable($filePath)) { |
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| 41 | throw new Exception(get_lang('UploadError')); |
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| 42 | } |
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| 43 | |||
| 44 | $mimeType = mime_content_type($filePath); |
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| 45 | $folder = api_get_unique_id(); |
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| 46 | $destinationDir = api_get_path(SYS_ARCHIVE_PATH).$folder; |
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| 47 | |||
| 48 | mkdir($destinationDir, api_get_permissions_for_new_directories(), true); |
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| 49 | |||
| 50 | switch ($mimeType) { |
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| 51 | case 'application/gzip': |
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| 52 | case 'application/x-gzip': |
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| 53 | $backUpFile = new PharData($filePath); |
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| 54 | |||
| 55 | if (false === $backUpFile->extractTo($destinationDir)) { |
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| 56 | throw new Exception(get_lang('ErrorImportingFile')); |
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| 57 | } |
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| 58 | |||
| 59 | if (!file_exists($destinationDir.'/moodle_backup.xml')) { |
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| 60 | throw new Exception(get_lang('FailedToImportThisIsNotAMoodleFile')); |
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| 61 | } |
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| 62 | |||
| 63 | break; |
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| 64 | case 'application/zip': |
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| 65 | $package = new PclZip($filePath); |
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| 66 | $mainFileKey = 0; |
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| 67 | $packageContent = $package->listContent(); |
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| 68 | |||
| 69 | if (!empty($packageContent)) { |
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| 70 | foreach ($packageContent as $index => $value) { |
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| 71 | if ('moodle_backup.xml' === $value['filename']) { |
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| 72 | $mainFileKey = $index; |
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| 73 | break; |
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| 74 | } |
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| 75 | } |
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| 76 | } |
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| 77 | |||
| 78 | if (!$mainFileKey) { |
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| 79 | throw new Exception(get_lang('FailedToImportThisIsNotAMoodleFile')); |
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| 80 | } |
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| 81 | |||
| 82 | $package->extract(PCLZIP_OPT_PATH, $destinationDir); |
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| 83 | |||
| 84 | break; |
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| 85 | } |
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| 86 | |||
| 87 | $courseInfo = api_get_course_info(); |
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| 88 | $sessionId = api_get_session_id(); |
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| 89 | $groupId = api_get_group_id(); |
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| 90 | $documentPath = api_get_path(SYS_COURSE_PATH).$courseInfo['path'].'/document'; |
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| 91 | |||
| 92 | create_unexisting_directory( |
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| 93 | $courseInfo, |
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| 94 | api_get_user_id(), |
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| 95 | $sessionId, |
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| 96 | $groupId, |
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| 97 | null, |
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| 98 | $documentPath, |
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| 99 | '/moodle', |
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| 100 | 'Moodle Docs', |
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| 101 | 0 |
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| 102 | ); |
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| 103 | |||
| 104 | // This process will upload all question resource files |
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| 105 | $filesXml = @file_get_contents($destinationDir.'/files.xml'); |
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| 106 | $mainFileModuleValues = $this->getAllQuestionFiles($filesXml); |
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| 107 | $currentResourceFilePath = $destinationDir.'/files/'; |
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| 108 | $importedFiles = []; |
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| 109 | if ($debug) { |
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| 110 | error_log('loading files'); |
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| 111 | } |
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| 112 | |||
| 113 | $_POST['moodle_import'] = true; |
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| 114 | $_POST['language'] = $courseInfo['language']; |
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| 115 | |||
| 116 | foreach ($mainFileModuleValues as $fileInfo) { |
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| 117 | $dirs = new RecursiveDirectoryIterator($currentResourceFilePath); |
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| 118 | foreach (new RecursiveIteratorIterator($dirs) as $file) { |
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| 119 | if (!is_file($file) || false === strpos($file, $fileInfo['contenthash'])) { |
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| 120 | continue; |
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| 121 | } |
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| 122 | |||
| 123 | if (isset($importedFiles[$fileInfo['filename']])) { |
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| 124 | continue; |
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| 125 | } |
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| 126 | |||
| 127 | if ($debug) { |
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| 128 | error_log($fileInfo['filename']); |
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| 129 | } |
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| 130 | $files = []; |
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| 131 | $files['file']['name'] = $fileInfo['filename']; |
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| 132 | $files['file']['tmp_name'] = $file->getPathname(); |
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| 133 | $files['file']['type'] = $fileInfo['mimetype']; |
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| 134 | $files['file']['error'] = 0; |
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| 135 | $files['file']['size'] = $fileInfo['filesize']; |
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| 136 | $files['file']['from_file'] = true; |
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| 137 | $files['file']['move_file'] = true; |
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| 138 | |||
| 139 | $title = isset($fileInfo['title']) ? $fileInfo['title'] : pathinfo($fileInfo['filename'], PATHINFO_FILENAME); |
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| 140 | |||
| 141 | /*$data = DocumentManager::upload_document( |
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| 142 | $files, |
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| 143 | '/moodle', |
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| 144 | $title, |
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| 145 | '', |
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| 146 | null, |
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| 147 | 'overwrite', |
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| 148 | true, |
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| 149 | true, |
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| 150 | 'file', |
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| 151 | false |
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| 152 | );*/ |
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| 153 | |||
| 154 | if ($data) { |
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| 155 | $importedFiles[$fileInfo['filename']] = basename($data['path']); |
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| 156 | } |
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| 157 | } |
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| 158 | } |
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| 159 | |||
| 160 | $xml = @file_get_contents($destinationDir.'/moodle_backup.xml'); |
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| 161 | $doc = new DOMDocument(); |
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| 162 | $res = @$doc->loadXML($xml); |
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| 163 | |||
| 164 | if (empty($res)) { |
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| 165 | removeDir($destinationDir); |
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| 166 | unlink($filePath); |
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| 167 | |||
| 168 | throw new Exception(get_lang('FailedToImportThisIsNotAMoodleFile')); |
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| 169 | } |
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| 170 | $activities = $doc->getElementsByTagName('activity'); |
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| 171 | |||
| 172 | if ($debug) { |
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| 173 | error_log('Loading activities: '.count($activities)); |
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| 174 | } |
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| 175 | |||
| 176 | foreach ($activities as $activity) { |
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| 177 | if (empty($activity->childNodes->length)) { |
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| 178 | continue; |
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| 179 | } |
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| 180 | |||
| 181 | $currentItem = []; |
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| 182 | foreach ($activity->childNodes as $item) { |
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| 183 | $currentItem[$item->nodeName] = $item->nodeValue; |
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| 184 | } |
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| 185 | |||
| 186 | $moduleName = isset($currentItem['modulename']) ? $currentItem['modulename'] : false; |
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| 187 | if ($debug) { |
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| 188 | error_log('moduleName: '.$moduleName); |
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| 189 | } |
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| 190 | |||
| 191 | switch ($moduleName) { |
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| 192 | case 'forum': |
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| 193 | $catForumValues = []; |
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| 194 | // Read the current forum module xml. |
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| 195 | $moduleDir = $currentItem['directory']; |
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| 196 | $moduleXml = @file_get_contents($destinationDir.'/'.$moduleDir.'/'.$moduleName.'.xml'); |
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| 197 | $moduleValues = $this->readForumModule($moduleXml); |
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| 198 | |||
| 199 | // Create a Forum category based on Moodle forum type. |
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| 200 | $catForumValues['forum_category_title'] = $moduleValues['type']; |
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| 201 | $catForumValues['forum_category_comment'] = ''; |
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| 202 | $catId = saveForumCategory( |
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| 203 | $catForumValues, |
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| 204 | $courseInfo, |
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| 205 | false |
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| 206 | ); |
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| 207 | $forumValues = []; |
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| 208 | $forumValues['forum_title'] = $moduleValues['name']; |
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| 209 | $forumValues['forum_image'] = ''; |
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| 210 | $forumValues['forum_comment'] = $moduleValues['intro']; |
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| 211 | $forumValues['forum_category'] = $catId; |
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| 212 | $forumValues['moderated'] = 0; |
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| 213 | |||
| 214 | store_forum($forumValues, $courseInfo); |
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| 215 | break; |
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| 216 | case 'quiz': |
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| 217 | // Read the current quiz module xml. |
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| 218 | // The quiz case is the very complicate process of all the import. |
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| 219 | // Please if you want to review the script, try to see the readingXML functions. |
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| 220 | // The readingXML functions in this clases do all the mayor work here. |
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| 221 | |||
| 222 | $moduleDir = $currentItem['directory']; |
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| 223 | $moduleXml = @file_get_contents($destinationDir.'/'.$moduleDir.'/'.$moduleName.'.xml'); |
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| 224 | $questionsXml = @file_get_contents($destinationDir.'/questions.xml'); |
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| 225 | $moduleValues = $this->readQuizModule($moduleXml); |
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| 226 | |||
| 227 | // At this point we got all the prepared resources from Moodle file |
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| 228 | // $moduleValues variable contains all the necesary info to the quiz import |
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| 229 | // var_dump($moduleValues); // <-- uncomment this to see the final array |
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| 230 | |||
| 231 | $exercise = new Exercise($courseInfo['real_id']); |
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| 232 | if ($debug) { |
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| 233 | error_log('quiz:'.$moduleValues['name']); |
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| 234 | } |
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| 235 | |||
| 236 | $title = Exercise::format_title_variable($moduleValues['name']); |
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| 237 | $exercise->updateTitle($title); |
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| 238 | $exercise->updateDescription($moduleValues['intro']); |
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| 239 | $exercise->updateAttempts($moduleValues['attempts_number']); |
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| 240 | $exercise->updateFeedbackType(0); |
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| 241 | |||
| 242 | // Match shuffle question with chamilo |
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| 243 | if (isset($moduleValues['shufflequestions']) && |
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| 244 | 1 === (int) $moduleValues['shufflequestions'] |
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| 245 | ) { |
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| 246 | $exercise->setRandom(-1); |
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| 247 | } else { |
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| 248 | $exercise->setRandom(0); |
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| 249 | } |
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| 250 | $exercise->updateRandomAnswers(!empty($moduleValues['shuffleanswers'])); |
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| 251 | // @todo divide to minutes |
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| 252 | $exercise->updateExpiredTime((int) $moduleValues['timelimit']); |
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| 253 | |||
| 254 | if (1 == $moduleValues['questionsperpage']) { |
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| 255 | $exercise->updateType(2); |
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| 256 | } else { |
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| 257 | $exercise->updateType(1); |
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| 258 | } |
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| 259 | |||
| 260 | // Create the new Quiz |
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| 261 | $exercise->save(); |
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| 262 | |||
| 263 | // Ok, we got the Quiz and create it, now its time to add the Questions |
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| 264 | foreach ($moduleValues['question_instances'] as $index => $question) { |
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| 265 | $questionsValues = $this->readMainQuestionsXml($questionsXml, $question['questionid']); |
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| 266 | $moduleValues['question_instances'][$index] = $questionsValues; |
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| 267 | // Set Question Type from Moodle XML element <qtype> |
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| 268 | $qType = $questionsValues['qtype']; |
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| 269 | $questionType = $this->matchMoodleChamiloQuestionTypes($questionsValues); |
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| 270 | $questionInstance = Question::getInstance($questionType); |
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| 271 | |||
| 272 | if (empty($questionInstance)) { |
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| 273 | continue; |
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| 274 | } |
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| 275 | if ($debug) { |
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| 276 | error_log('question: '.$question['questionid']); |
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| 277 | } |
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| 278 | |||
| 279 | $questionInstance->updateTitle($questionsValues['name']); |
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| 280 | $questionText = $questionsValues['questiontext']; |
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| 281 | |||
| 282 | // Replace the path from @@PLUGINFILE@@ to a correct chamilo path |
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| 283 | $questionText = str_replace( |
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| 284 | '@@PLUGINFILE@@', |
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| 285 | '/courses/'.$courseInfo['path'].'/document/moodle', |
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| 286 | $questionText |
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| 287 | ); |
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| 288 | |||
| 289 | if ($importedFiles) { |
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| 290 | $this->fixPathInText($importedFiles, $questionText); |
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| 291 | } |
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| 292 | |||
| 293 | $questionInstance->updateDescription($questionText); |
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| 294 | $questionInstance->updateLevel(1); |
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| 295 | $questionInstance->updateCategory(0); |
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| 296 | |||
| 297 | //Save normal question if NOT media |
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| 298 | if (MEDIA_QUESTION != $questionInstance->type) { |
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| 299 | $questionInstance->save($exercise); |
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| 300 | // modify the exercise |
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| 301 | $exercise->addToList($questionInstance->id); |
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| 302 | $exercise->update_question_positions(); |
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| 303 | } |
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| 304 | |||
| 305 | $questionList = $moduleValues['question_instances'][$index]['plugin_qtype_'.$qType.'_question']; |
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| 306 | $currentQuestion = $moduleValues['question_instances'][$index]; |
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| 307 | |||
| 308 | $this->processAnswers( |
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| 309 | $exercise, |
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| 310 | $questionList, |
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| 311 | $qType, |
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| 312 | $questionInstance, |
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| 313 | $currentQuestion, |
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| 314 | $importedFiles |
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| 315 | ); |
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| 316 | } |
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| 317 | break; |
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| 318 | case 'resource': |
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| 319 | // Read the current resource module xml. |
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| 320 | $moduleDir = $currentItem['directory']; |
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| 321 | $moduleXml = @file_get_contents($destinationDir.'/'.$moduleDir.'/'.$moduleName.'.xml'); |
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| 322 | $filesXml = @file_get_contents($destinationDir.'/files.xml'); |
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| 323 | $moduleValues = $this->readResourceModule($moduleXml); |
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| 324 | $mainFileModuleValues = $this->readMainFilesXml( |
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| 325 | $filesXml, |
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| 326 | $moduleValues['contextid'] |
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| 327 | ); |
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| 328 | $fileInfo = array_merge($moduleValues, $mainFileModuleValues, $currentItem); |
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| 329 | $currentResourceFilePath = $destinationDir.'/files/'; |
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| 330 | $dirs = new RecursiveDirectoryIterator($currentResourceFilePath); |
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| 331 | foreach (new RecursiveIteratorIterator($dirs) as $file) { |
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| 332 | if (!is_file($file) || false === strpos($file, $fileInfo['contenthash'])) { |
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| 333 | continue; |
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| 334 | } |
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| 335 | |||
| 336 | $files = []; |
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| 337 | $files['file']['name'] = $fileInfo['filename']; |
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| 338 | $files['file']['tmp_name'] = $file->getPathname(); |
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| 339 | $files['file']['type'] = $fileInfo['mimetype']; |
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| 340 | $files['file']['error'] = 0; |
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| 341 | $files['file']['size'] = $fileInfo['filesize']; |
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| 342 | $files['file']['from_file'] = true; |
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| 343 | $files['file']['move_file'] = true; |
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| 344 | $_POST['language'] = $courseInfo['language']; |
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| 345 | $_POST['moodle_import'] = true; |
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| 346 | |||
| 347 | /*DocumentManager::upload_document( |
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| 348 | $files, |
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| 349 | '/moodle', |
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| 350 | $fileInfo['title'], |
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| 351 | '', |
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| 352 | null, |
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| 353 | null, |
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| 354 | true, |
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| 355 | true |
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| 356 | );*/ |
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| 357 | } |
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| 358 | |||
| 359 | break; |
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| 360 | case 'url': |
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| 361 | // Read the current url module xml. |
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| 362 | $moduleDir = $currentItem['directory']; |
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| 363 | $moduleXml = @file_get_contents($destinationDir.'/'.$moduleDir.'/'.$moduleName.'.xml'); |
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| 364 | $moduleValues = $this->readUrlModule($moduleXml); |
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| 365 | $_POST['title'] = $moduleValues['name']; |
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| 366 | $_POST['url'] = $moduleValues['externalurl']; |
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| 367 | $_POST['description'] = $moduleValues['intro']; |
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| 368 | $_POST['category_id'] = 0; |
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| 369 | $_POST['target'] = '_blank'; |
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| 370 | |||
| 371 | Link::addlinkcategory('link'); |
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| 372 | break; |
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| 373 | } |
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| 374 | } |
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| 375 | |||
| 376 | if ($debug) { |
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| 377 | error_log('Finish'); |
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| 378 | } |
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| 379 | |||
| 380 | removeDir($destinationDir); |
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| 381 | unlink($filePath); |
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| 382 | |||
| 383 | return true; |
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| 384 | } |
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| 385 | |||
| 386 | /** |
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| 387 | * Read and validate the forum module XML. |
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| 388 | * |
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| 389 | * @param resource $moduleXml XML file |
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| 390 | * |
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| 391 | * @return mixed | array if is a valid xml file, false otherwise |
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| 392 | */ |
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| 393 | public function readForumModule($moduleXml) |
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| 411 | } |
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| 412 | |||
| 413 | /** |
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| 414 | * Read and validate the resource module XML. |
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| 415 | * |
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| 416 | * @param resource $moduleXml XML file |
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| 417 | * |
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| 418 | * @return mixed | array if is a valid xml file, false otherwise |
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| 419 | */ |
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| 420 | public function readResourceModule($moduleXml) |
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| 421 | { |
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| 422 | $moduleDoc = new DOMDocument(); |
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| 423 | $moduleRes = @$moduleDoc->loadXML($moduleXml); |
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| 424 | if (empty($moduleRes)) { |
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| 425 | return false; |
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| 426 | } |
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| 427 | $activities = $moduleDoc->getElementsByTagName('resource'); |
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| 428 | $mainActivity = $moduleDoc->getElementsByTagName('activity'); |
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| 429 | $contextId = $mainActivity->item(0)->getAttribute('contextid'); |
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| 430 | $currentItem = []; |
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| 431 | foreach ($activities as $activity) { |
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| 432 | if ($activity->childNodes->length) { |
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| 433 | foreach ($activity->childNodes as $item) { |
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| 434 | $currentItem[$item->nodeName] = $item->nodeValue; |
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| 435 | } |
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| 436 | } |
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| 437 | } |
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| 438 | |||
| 439 | $currentItem['contextid'] = $contextId; |
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| 440 | |||
| 441 | return $currentItem; |
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| 442 | } |
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| 443 | |||
| 444 | /** |
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| 445 | * Read and validate the url module XML. |
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| 446 | * |
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| 447 | * @param resource $moduleXml XML file |
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| 448 | * |
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| 449 | * @return mixed | array if is a valid xml file, false otherwise |
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| 450 | */ |
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| 451 | public function readUrlModule($moduleXml) |
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| 452 | { |
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| 453 | $moduleDoc = new DOMDocument(); |
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| 454 | $moduleRes = @$moduleDoc->loadXML($moduleXml); |
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| 455 | if (empty($moduleRes)) { |
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| 456 | return false; |
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| 457 | } |
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| 458 | $activities = $moduleDoc->getElementsByTagName('url'); |
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| 459 | $currentItem = []; |
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| 460 | foreach ($activities as $activity) { |
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| 461 | if ($activity->childNodes->length) { |
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| 462 | foreach ($activity->childNodes as $item) { |
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| 463 | $currentItem[$item->nodeName] = $item->nodeValue; |
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| 464 | } |
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| 465 | } |
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| 466 | } |
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| 467 | |||
| 468 | return $currentItem; |
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| 469 | } |
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| 470 | |||
| 471 | /** |
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| 472 | * Read and validate the quiz module XML. |
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| 473 | * |
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| 474 | * @param resource $moduleXml XML file |
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| 475 | * |
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| 476 | * @return mixed | array if is a valid xml file, false otherwise |
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| 477 | */ |
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| 478 | public function readQuizModule($moduleXml) |
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| 479 | { |
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| 480 | $moduleDoc = new DOMDocument(); |
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| 481 | $moduleRes = @$moduleDoc->loadXML($moduleXml); |
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| 482 | if (empty($moduleRes)) { |
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| 483 | return false; |
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| 484 | } |
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| 485 | $activities = $moduleDoc->getElementsByTagName('quiz'); |
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| 486 | $currentItem = []; |
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| 487 | foreach ($activities as $activity) { |
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| 488 | if ($activity->childNodes->length) { |
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| 489 | foreach ($activity->childNodes as $item) { |
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| 490 | $currentItem[$item->nodeName] = $item->nodeValue; |
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| 491 | } |
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| 492 | } |
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| 493 | } |
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| 494 | |||
| 495 | $questions = $moduleDoc->getElementsByTagName('question_instance'); |
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| 496 | |||
| 497 | $questionList = []; |
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| 498 | $counter = 0; |
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| 499 | foreach ($questions as $question) { |
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| 500 | if ($question->childNodes->length) { |
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| 501 | foreach ($question->childNodes as $item) { |
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| 502 | $questionList[$counter][$item->nodeName] = $item->nodeValue; |
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| 503 | } |
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| 504 | $counter++; |
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| 505 | } |
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| 506 | } |
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| 507 | $currentItem['question_instances'] = $questionList; |
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| 508 | |||
| 509 | return $currentItem; |
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| 510 | } |
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| 511 | |||
| 512 | /** |
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| 513 | * Search the current file resource in main Files XML. |
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| 514 | * |
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| 515 | * @param resource $filesXml XML file |
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| 516 | * @param int $contextId |
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| 517 | * |
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| 518 | * @return mixed | array if is a valid xml file, false otherwise |
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| 519 | */ |
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| 520 | public function readMainFilesXml($filesXml, $contextId) |
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| 521 | { |
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| 522 | $moduleDoc = new DOMDocument(); |
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| 523 | $moduleRes = @$moduleDoc->loadXML($filesXml); |
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| 524 | |||
| 525 | if (empty($moduleRes)) { |
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| 526 | return false; |
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| 527 | } |
||
| 528 | |||
| 529 | $activities = $moduleDoc->getElementsByTagName('file'); |
||
| 530 | $currentItem = []; |
||
| 531 | foreach ($activities as $activity) { |
||
| 532 | if (empty($activity->childNodes->length)) { |
||
| 533 | continue; |
||
| 534 | } |
||
| 535 | $isThisItemThatIWant = false; |
||
| 536 | foreach ($activity->childNodes as $item) { |
||
| 537 | if (!$isThisItemThatIWant && 'contenthash' == $item->nodeName) { |
||
| 538 | $currentItem['contenthash'] = $item->nodeValue; |
||
| 539 | } |
||
| 540 | if ('contextid' == $item->nodeName && |
||
| 541 | (int) $item->nodeValue == (int) $contextId && |
||
| 542 | !$isThisItemThatIWant |
||
| 543 | ) { |
||
| 544 | $isThisItemThatIWant = true; |
||
| 545 | continue; |
||
| 546 | } |
||
| 547 | |||
| 548 | if ($isThisItemThatIWant && 'filename' == $item->nodeName) { |
||
| 549 | $currentItem['filename'] = $item->nodeValue; |
||
| 550 | } |
||
| 551 | |||
| 552 | if ($isThisItemThatIWant && 'filesize' == $item->nodeName) { |
||
| 553 | $currentItem['filesize'] = $item->nodeValue; |
||
| 554 | } |
||
| 555 | |||
| 556 | if ($isThisItemThatIWant && 'mimetype' == $item->nodeName && |
||
| 557 | 'document/unknown' == $item->nodeValue |
||
| 558 | ) { |
||
| 559 | break; |
||
| 560 | } |
||
| 561 | |||
| 562 | if ($isThisItemThatIWant && 'mimetype' == $item->nodeName && |
||
| 563 | 'document/unknown' !== $item->nodeValue |
||
| 564 | ) { |
||
| 565 | $currentItem['mimetype'] = $item->nodeValue; |
||
| 566 | break 2; |
||
| 567 | } |
||
| 568 | } |
||
| 569 | } |
||
| 570 | |||
| 571 | return $currentItem; |
||
| 572 | } |
||
| 573 | |||
| 574 | /** |
||
| 575 | * Search the current question resource in main Questions XML. |
||
| 576 | * |
||
| 577 | * @param resource $questionsXml XML file |
||
| 578 | * @param int $questionId |
||
| 579 | * |
||
| 580 | * @return mixed | array if is a valid xml file, false otherwise |
||
| 581 | */ |
||
| 582 | public function readMainQuestionsXml($questionsXml, $questionId) |
||
| 583 | { |
||
| 584 | $moduleDoc = new DOMDocument(); |
||
| 585 | $moduleRes = @$moduleDoc->loadXML($questionsXml); |
||
| 586 | if (empty($moduleRes)) { |
||
| 587 | return false; |
||
| 588 | } |
||
| 589 | |||
| 590 | $questions = $moduleDoc->getElementsByTagName('question'); |
||
| 591 | $currentItem = []; |
||
| 592 | foreach ($questions as $question) { |
||
| 593 | if ((int) $question->getAttribute('id') !== (int) $questionId) { |
||
| 594 | continue; |
||
| 595 | } |
||
| 596 | |||
| 597 | if (empty($question->childNodes->length)) { |
||
| 598 | continue; |
||
| 599 | } |
||
| 600 | |||
| 601 | $currentItem['questionid'] = $questionId; |
||
| 602 | $questionType = ''; |
||
| 603 | foreach ($question->childNodes as $item) { |
||
| 604 | $currentItem[$item->nodeName] = $item->nodeValue; |
||
| 605 | if ('qtype' === $item->nodeName) { |
||
| 606 | $questionType = $item->nodeValue; |
||
| 607 | } |
||
| 608 | |||
| 609 | if ($item->nodeName != 'plugin_qtype_'.$questionType.'_question') { |
||
| 610 | continue; |
||
| 611 | } |
||
| 612 | |||
| 613 | $answer = $item->getElementsByTagName($this->getQuestionTypeAnswersTag($questionType)); |
||
| 614 | $currentItem['plugin_qtype_'.$questionType.'_question'] = []; |
||
| 615 | for ($i = 0; $i <= $answer->length - 1; $i++) { |
||
| 616 | $label = 'plugin_qtype_'.$questionType.'_question'; |
||
| 617 | $currentItem[$label][$i]['answerid'] = $answer->item($i)->getAttribute('id'); |
||
| 618 | foreach ($answer->item($i)->childNodes as $properties) { |
||
| 619 | $currentItem[$label][$i][$properties->nodeName] = $properties->nodeValue; |
||
| 620 | } |
||
| 621 | } |
||
| 622 | |||
| 623 | $typeValues = $item->getElementsByTagName($this->getQuestionTypeOptionsTag($questionType)); |
||
| 624 | for ($i = 0; $i <= $typeValues->length - 1; $i++) { |
||
| 625 | foreach ($typeValues->item($i)->childNodes as $properties) { |
||
| 626 | $currentItem[$questionType.'_values'][$properties->nodeName] = $properties->nodeValue; |
||
| 627 | |||
| 628 | if ('sequence' !== $properties->nodeName) { |
||
| 629 | continue; |
||
| 630 | } |
||
| 631 | |||
| 632 | $sequence = $properties->nodeValue; |
||
| 633 | $sequenceIds = explode(',', $sequence); |
||
| 634 | foreach ($sequenceIds as $qId) { |
||
| 635 | $questionMatch = $this->readMainQuestionsXml($questionsXml, $qId); |
||
| 636 | $currentItem['plugin_qtype_'.$questionType.'_question'][] = $questionMatch; |
||
| 637 | } |
||
| 638 | } |
||
| 639 | } |
||
| 640 | } |
||
| 641 | } |
||
| 642 | |||
| 643 | $this->traverseArray($currentItem, ['#text', 'question_hints', 'tags']); |
||
| 644 | |||
| 645 | return $currentItem; |
||
| 646 | } |
||
| 647 | |||
| 648 | /** |
||
| 649 | * return the correct question type options tag. |
||
| 650 | * |
||
| 651 | * @param string $questionType name |
||
| 652 | * |
||
| 653 | * @return string question type tag |
||
| 654 | */ |
||
| 655 | public function getQuestionTypeOptionsTag($questionType) |
||
| 656 | { |
||
| 657 | switch ($questionType) { |
||
| 658 | case 'match': |
||
| 659 | case 'ddmatch': |
||
| 660 | return 'matchoptions'; |
||
| 661 | default: |
||
| 662 | return $questionType; |
||
| 663 | } |
||
| 664 | } |
||
| 665 | |||
| 666 | /** |
||
| 667 | * return the correct question type answers tag. |
||
| 668 | * |
||
| 669 | * @param string $questionType name |
||
| 670 | * |
||
| 671 | * @return string question type tag |
||
| 672 | */ |
||
| 673 | public function getQuestionTypeAnswersTag($questionType) |
||
| 674 | { |
||
| 675 | switch ($questionType) { |
||
| 676 | case 'match': |
||
| 677 | case 'ddmatch': |
||
| 678 | return 'match'; |
||
| 679 | default: |
||
| 680 | return 'answer'; |
||
| 681 | } |
||
| 682 | } |
||
| 683 | |||
| 684 | /** |
||
| 685 | * @param array Result of readMainQuestionsXml |
||
| 686 | * |
||
| 687 | * @return int Chamilo question type |
||
| 688 | */ |
||
| 689 | public function matchMoodleChamiloQuestionTypes($questionsValues) |
||
| 713 | } |
||
| 714 | } |
||
| 715 | |||
| 716 | /** |
||
| 717 | * Fix moodle files that contains spaces. |
||
| 718 | * |
||
| 719 | * @param array $importedFiles |
||
| 720 | * @param string $text |
||
| 721 | * |
||
| 722 | * @return mixed |
||
| 723 | */ |
||
| 724 | public function fixPathInText($importedFiles, &$text) |
||
| 725 | { |
||
| 726 | if ($importedFiles) { |
||
| 727 | foreach ($importedFiles as $old => $new) { |
||
| 728 | // Ofaj fix moodle file names |
||
| 729 | // In some questions moodle text contains file with name like: |
||
| 730 | // Bild%20Check-In-Formular%20Ausfu%CC%88llen.jpg" |
||
| 731 | // rawurlencode function transforms '' (whitespace) to %20 and so on |
||
| 732 | $text = str_replace(rawurlencode($old), $new, $text); |
||
| 733 | } |
||
| 734 | } |
||
| 735 | |||
| 736 | return $text; |
||
| 737 | } |
||
| 738 | |||
| 739 | /** |
||
| 740 | * Process Moodle Answers to Chamilo. |
||
| 741 | * |
||
| 742 | * @param Exercise $exercise |
||
| 743 | * @param array $questionList |
||
| 744 | * @param string $questionType |
||
| 745 | * @param Question $questionInstance Question/Answer instance |
||
| 746 | * @param array $currentQuestion |
||
| 747 | * @param array $importedFiles |
||
| 748 | * |
||
| 749 | * @return int db response |
||
| 750 | */ |
||
| 751 | public function processAnswers( |
||
| 752 | $exercise, |
||
| 753 | $questionList, |
||
| 754 | $questionType, |
||
| 755 | $questionInstance, |
||
| 756 | $currentQuestion, |
||
| 757 | $importedFiles |
||
| 758 | ) { |
||
| 759 | switch ($questionType) { |
||
| 760 | case 'multichoice': |
||
| 761 | $objAnswer = new Answer($questionInstance->id); |
||
| 762 | $questionWeighting = 0; |
||
| 763 | foreach ($questionList as $slot => $answer) { |
||
| 764 | $this->processMultipleAnswer( |
||
| 765 | $objAnswer, |
||
| 766 | $answer, |
||
| 767 | $slot + 1, |
||
| 768 | $questionWeighting, |
||
| 769 | $importedFiles |
||
| 770 | ); |
||
| 771 | } |
||
| 772 | |||
| 773 | // saves the answers into the data base |
||
| 774 | $objAnswer->save(); |
||
| 775 | // sets the total weighting of the question |
||
| 776 | $questionInstance->updateWeighting($questionWeighting); |
||
| 777 | $questionInstance->save($exercise); |
||
| 778 | |||
| 779 | return true; |
||
| 780 | case 'multianswer': |
||
| 781 | $objAnswer = new Answer($questionInstance->id); |
||
| 782 | $coursePath = api_get_course_path(); |
||
| 783 | $placeholder = str_replace( |
||
| 784 | '@@PLUGINFILE@@', |
||
| 785 | '/courses/'.$coursePath.'/document/moodle', |
||
| 786 | $currentQuestion['questiontext'] |
||
| 787 | ); |
||
| 788 | $optionsValues = []; |
||
| 789 | foreach ($questionList as $slot => $subQuestion) { |
||
| 790 | $qtype = $subQuestion['qtype']; |
||
| 791 | $optionsValues[] = $this->processFillBlanks( |
||
| 792 | $objAnswer, |
||
| 793 | $qtype, |
||
| 794 | $subQuestion['plugin_qtype_'.$qtype.'_question'], |
||
| 795 | $placeholder, |
||
| 796 | $slot + 1, |
||
| 797 | $importedFiles |
||
| 798 | ); |
||
| 799 | } |
||
| 800 | |||
| 801 | $answerOptionsWeight = '::'; |
||
| 802 | $answerOptionsSize = ''; |
||
| 803 | $questionWeighting = 0; |
||
| 804 | foreach ($optionsValues as $index => $value) { |
||
| 805 | $questionWeighting += $value['weight']; |
||
| 806 | $answerOptionsWeight .= $value['weight'].','; |
||
| 807 | $answerOptionsSize .= $value['size'].','; |
||
| 808 | } |
||
| 809 | |||
| 810 | $answerOptionsWeight = substr($answerOptionsWeight, 0, -1); |
||
| 811 | $answerOptionsSize = substr($answerOptionsSize, 0, -1); |
||
| 812 | $answerOptions = $answerOptionsWeight.':'.$answerOptionsSize.':0@'; |
||
| 813 | $placeholder = $placeholder.PHP_EOL.$answerOptions; |
||
| 814 | |||
| 815 | // This is a minor trick to clean the question description that in a multianswer is the main placeholder |
||
| 816 | $questionInstance->updateDescription(''); |
||
| 817 | // sets the total weighting of the question |
||
| 818 | $questionInstance->updateWeighting($questionWeighting); |
||
| 819 | $questionInstance->save($exercise); |
||
| 820 | $this->fixPathInText($importedFiles, $placeholder); |
||
| 821 | |||
| 822 | // saves the answers into the data base |
||
| 823 | $objAnswer->createAnswer($placeholder, 0, '', 0, 1); |
||
| 824 | $objAnswer->save(); |
||
| 825 | |||
| 826 | return true; |
||
| 827 | case 'match': |
||
| 828 | $objAnswer = new Answer($questionInstance->id); |
||
| 829 | $placeholder = ''; |
||
| 830 | |||
| 831 | $optionsValues = $this->processFillBlanks( |
||
| 832 | $objAnswer, |
||
| 833 | 'match', |
||
| 834 | $questionList, |
||
| 835 | $placeholder, |
||
| 836 | 0, |
||
| 837 | $importedFiles |
||
| 838 | ); |
||
| 839 | |||
| 840 | $answerOptionsWeight = '::'; |
||
| 841 | $answerOptionsSize = ''; |
||
| 842 | $questionWeighting = 0; |
||
| 843 | foreach ($optionsValues as $index => $value) { |
||
| 844 | $questionWeighting += $value['weight']; |
||
| 845 | $answerOptionsWeight .= $value['weight'].','; |
||
| 846 | $answerOptionsSize .= $value['size'].','; |
||
| 847 | } |
||
| 848 | |||
| 849 | $answerOptionsWeight = substr($answerOptionsWeight, 0, -1); |
||
| 850 | $answerOptionsSize = substr($answerOptionsSize, 0, -1); |
||
| 851 | $answerOptions = $answerOptionsWeight.':'.$answerOptionsSize.':0@'; |
||
| 852 | $placeholder = $placeholder.PHP_EOL.$answerOptions; |
||
| 853 | |||
| 854 | // sets the total weighting of the question |
||
| 855 | $questionInstance->updateWeighting($questionWeighting); |
||
| 856 | $questionInstance->save($exercise); |
||
| 857 | // saves the answers into the database |
||
| 858 | $this->fixPathInText($importedFiles, $placeholder); |
||
| 859 | $objAnswer->createAnswer($placeholder, 0, '', 0, 1); |
||
| 860 | $objAnswer->save(); |
||
| 861 | |||
| 862 | return true; |
||
| 863 | case 'shortanswer': |
||
| 864 | case 'ddmatch': |
||
| 865 | $questionWeighting = $currentQuestion['defaultmark']; |
||
| 866 | $questionInstance->updateWeighting($questionWeighting); |
||
| 867 | $questionInstance->updateDescription(get_lang('ThisQuestionIsNotSupportedYet')); |
||
| 868 | $questionInstance->save($exercise); |
||
| 869 | |||
| 870 | return false; |
||
| 871 | case 'essay': |
||
| 872 | $questionWeighting = $currentQuestion['defaultmark']; |
||
| 873 | $questionInstance->updateWeighting($questionWeighting); |
||
| 874 | $questionInstance->save($exercise); |
||
| 875 | |||
| 876 | return true; |
||
| 877 | case 'truefalse': |
||
| 878 | $objAnswer = new Answer($questionInstance->id); |
||
| 879 | $questionWeighting = 0; |
||
| 880 | foreach ($questionList as $slot => $answer) { |
||
| 881 | $this->processTrueFalse( |
||
| 882 | $objAnswer, |
||
| 883 | $answer, |
||
| 884 | $slot + 1, |
||
| 885 | $questionWeighting, |
||
| 886 | $importedFiles |
||
| 887 | ); |
||
| 888 | } |
||
| 889 | |||
| 890 | // saves the answers into the data base |
||
| 891 | $objAnswer->save(); |
||
| 892 | // sets the total weighting of the question |
||
| 893 | $questionInstance->updateWeighting($questionWeighting); |
||
| 894 | $questionInstance->save($exercise); |
||
| 895 | |||
| 896 | return false; |
||
| 897 | default: |
||
| 898 | return false; |
||
| 899 | } |
||
| 900 | } |
||
| 901 | |||
| 902 | /** |
||
| 903 | * Process Chamilo Unique Answer. |
||
| 904 | * |
||
| 905 | * @param object $objAnswer |
||
| 906 | * @param array $answerValues |
||
| 907 | * @param int $position |
||
| 908 | * @param int $questionWeighting |
||
| 909 | * @param array $importedFiles |
||
| 910 | * |
||
| 911 | * @return int db response |
||
| 912 | */ |
||
| 913 | public function processUniqueAnswer( |
||
| 914 | $objAnswer, |
||
| 915 | $answerValues, |
||
| 916 | $position, |
||
| 917 | &$questionWeighting, |
||
| 918 | $importedFiles |
||
| 919 | ) { |
||
| 920 | $correct = (int) $answerValues['fraction'] ? (int) $answerValues['fraction'] : 0; |
||
| 921 | $answer = $answerValues['answertext']; |
||
| 922 | $comment = $answerValues['feedback']; |
||
| 923 | $weighting = $answerValues['fraction']; |
||
| 924 | $weighting = abs($weighting); |
||
| 925 | if ($weighting > 0) { |
||
| 926 | $questionWeighting += $weighting; |
||
| 927 | } |
||
| 928 | $goodAnswer = $correct ? true : false; |
||
| 929 | $this->fixPathInText($importedFiles, $answer); |
||
| 930 | |||
| 931 | $objAnswer->createAnswer( |
||
| 932 | $answer, |
||
| 933 | $goodAnswer, |
||
| 934 | $comment, |
||
| 935 | $weighting, |
||
| 936 | $position, |
||
| 937 | null, |
||
| 938 | null, |
||
| 939 | '' |
||
| 940 | ); |
||
| 941 | } |
||
| 942 | |||
| 943 | public function processMultipleAnswer( |
||
| 944 | Answer $objAnswer, |
||
| 945 | $answerValues, |
||
| 946 | $position, |
||
| 947 | &$questionWeighting, |
||
| 948 | $importedFiles |
||
| 949 | ) { |
||
| 950 | $answer = $answerValues['answertext']; |
||
| 951 | $comment = $answerValues['feedback']; |
||
| 952 | $weighting = $answerValues['fraction']; |
||
| 953 | //$weighting = abs($weighting); |
||
| 954 | if ($weighting > 0) { |
||
| 955 | $questionWeighting += $weighting; |
||
| 956 | } |
||
| 957 | $goodAnswer = $weighting > 0; |
||
| 958 | |||
| 959 | $this->fixPathInText($importedFiles, $answer); |
||
| 960 | |||
| 961 | $objAnswer->createAnswer( |
||
| 962 | $answer, |
||
| 963 | $goodAnswer, |
||
| 964 | $comment, |
||
| 965 | $weighting, |
||
| 966 | $position, |
||
| 967 | null, |
||
| 968 | null, |
||
| 969 | '' |
||
| 970 | ); |
||
| 971 | } |
||
| 972 | |||
| 973 | /** |
||
| 974 | * Process Chamilo True False. |
||
| 975 | * |
||
| 976 | * @param Answer $objAnswer |
||
| 977 | * @param array $answerValues |
||
| 978 | * @param int $position |
||
| 979 | * @param int $questionWeighting |
||
| 980 | * @param array $importedFiles |
||
| 981 | * |
||
| 982 | * @return int db response |
||
| 983 | */ |
||
| 984 | public function processTrueFalse( |
||
| 985 | $objAnswer, |
||
| 986 | $answerValues, |
||
| 987 | $position, |
||
| 988 | &$questionWeighting, |
||
| 989 | $importedFiles |
||
| 990 | ) { |
||
| 991 | $correct = (int) $answerValues['fraction'] ? (int) $answerValues['fraction'] : 0; |
||
| 992 | $answer = $answerValues['answertext']; |
||
| 993 | $comment = $answerValues['feedback']; |
||
| 994 | $weighting = $answerValues['fraction']; |
||
| 995 | $weighting = abs($weighting); |
||
| 996 | if ($weighting > 0) { |
||
| 997 | $questionWeighting += $weighting; |
||
| 998 | } |
||
| 999 | $goodAnswer = $correct ? true : false; |
||
| 1000 | |||
| 1001 | $this->fixPathInText($importedFiles, $answer); |
||
| 1002 | |||
| 1003 | $objAnswer->createAnswer( |
||
| 1004 | $answer, |
||
| 1005 | $goodAnswer, |
||
| 1006 | $comment, |
||
| 1007 | $weighting, |
||
| 1008 | $position, |
||
| 1009 | null, |
||
| 1010 | null, |
||
| 1011 | '' |
||
| 1012 | ); |
||
| 1013 | } |
||
| 1014 | |||
| 1015 | /** |
||
| 1016 | * Process Chamilo FillBlanks. |
||
| 1017 | * |
||
| 1018 | * @param object $objAnswer |
||
| 1019 | * @param array $questionType |
||
| 1020 | * @param array $answerValues |
||
| 1021 | * @param string $placeholder |
||
| 1022 | * @param int $position |
||
| 1023 | * @param array $importedFiles |
||
| 1024 | * |
||
| 1025 | * @return int db response |
||
| 1026 | */ |
||
| 1027 | public function processFillBlanks( |
||
| 1028 | $objAnswer, |
||
| 1029 | $questionType, |
||
| 1030 | $answerValues, |
||
| 1031 | &$placeholder, |
||
| 1032 | $position, |
||
| 1033 | $importedFiles |
||
| 1034 | ) { |
||
| 1035 | $coursePath = api_get_course_path(); |
||
| 1036 | |||
| 1037 | switch ($questionType) { |
||
| 1038 | case 'multichoice': |
||
| 1039 | $optionsValues = []; |
||
| 1040 | $correctAnswer = ''; |
||
| 1041 | $othersAnswer = ''; |
||
| 1042 | foreach ($answerValues as $answer) { |
||
| 1043 | $correct = (int) $answer['fraction']; |
||
| 1044 | if ($correct) { |
||
| 1045 | $correctAnswer .= $answer['answertext'].'|'; |
||
| 1046 | $optionsValues['weight'] = $answer['fraction']; |
||
| 1047 | $optionsValues['size'] = '200'; |
||
| 1048 | } else { |
||
| 1049 | $othersAnswer .= $answer['answertext'].'|'; |
||
| 1050 | } |
||
| 1051 | } |
||
| 1052 | $currentAnswers = $correctAnswer.$othersAnswer; |
||
| 1053 | $currentAnswers = '['.substr($currentAnswers, 0, -1).']'; |
||
| 1054 | $placeholder = str_replace("{#$position}", $currentAnswers, $placeholder); |
||
| 1055 | |||
| 1056 | return $optionsValues; |
||
| 1057 | case 'shortanswer': |
||
| 1058 | $optionsValues = []; |
||
| 1059 | $correctAnswer = ''; |
||
| 1060 | foreach ($answerValues as $answer) { |
||
| 1061 | $correct = (int) $answer['fraction']; |
||
| 1062 | if ($correct) { |
||
| 1063 | $correctAnswer .= $answer['answertext']; |
||
| 1064 | $optionsValues['weight'] = $answer['fraction']; |
||
| 1065 | $optionsValues['size'] = '200'; |
||
| 1066 | } |
||
| 1067 | } |
||
| 1068 | |||
| 1069 | $currentAnswers = '['.$correctAnswer.']'; |
||
| 1070 | $placeholder = str_replace("{#$position}", $currentAnswers, $placeholder); |
||
| 1071 | |||
| 1072 | return $optionsValues; |
||
| 1073 | case 'match': |
||
| 1074 | $answers = []; |
||
| 1075 | // Here first we need to extract all the possible answers |
||
| 1076 | foreach ($answerValues as $slot => $answer) { |
||
| 1077 | $answers[$slot] = $answer['answertext']; |
||
| 1078 | } |
||
| 1079 | |||
| 1080 | // Now we set the order of the values matching the correct answer and set it to the first element |
||
| 1081 | $optionsValues = []; |
||
| 1082 | foreach ($answerValues as $slot => $answer) { |
||
| 1083 | $correctAnswer = ''; |
||
| 1084 | $othersAnswers = ''; |
||
| 1085 | $correctAnswer .= $answer['answertext'].'|'; |
||
| 1086 | |||
| 1087 | foreach ($answers as $other) { |
||
| 1088 | if ($other !== $answer['answertext']) { |
||
| 1089 | $othersAnswers .= $other.'|'; |
||
| 1090 | } |
||
| 1091 | } |
||
| 1092 | |||
| 1093 | $optionsValues[$slot]['weight'] = 1; |
||
| 1094 | $optionsValues[$slot]['size'] = '200'; |
||
| 1095 | |||
| 1096 | $currentAnswers = htmlentities($correctAnswer.$othersAnswers); |
||
| 1097 | $currentAnswers = '['.substr($currentAnswers, 0, -1).'] '; |
||
| 1098 | $answer['questiontext'] = str_replace( |
||
| 1099 | '@@PLUGINFILE@@', |
||
| 1100 | '/courses/'.$coursePath.'/document/moodle', |
||
| 1101 | $answer['questiontext'] |
||
| 1102 | ); |
||
| 1103 | |||
| 1104 | $placeholder .= '<p> '.strip_tags($answer['questiontext']).' '.$currentAnswers.' </p>'; |
||
| 1105 | } |
||
| 1106 | |||
| 1107 | return $optionsValues; |
||
| 1108 | default: |
||
| 1109 | return false; |
||
| 1110 | } |
||
| 1111 | } |
||
| 1112 | |||
| 1113 | /** |
||
| 1114 | * get All files associated with a question. |
||
| 1115 | * |
||
| 1116 | * @param $filesXml |
||
| 1117 | * |
||
| 1118 | * @return array |
||
| 1119 | */ |
||
| 1120 | public function getAllQuestionFiles($filesXml) |
||
| 1169 | } |
||
| 1170 | |||
| 1171 | /** |
||
| 1172 | * Litle utility to delete the unuseful tags. |
||
| 1173 | * |
||
| 1174 | * @param $array |
||
| 1175 | * @param $keys |
||
| 1176 | */ |
||
| 1177 | public function traverseArray(&$array, $keys) |
||
| 1178 | { |
||
| 1179 | foreach ($array as $key => &$value) { |
||
| 1185 | } |
||
| 1186 | } |
||
| 1187 | } |
||
| 1188 | } |
||
| 1189 | } |
||
| 1190 |
