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MDL-15573, question export rewrite

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This commit is contained in:
Dongsheng Cai
2010-11-05 06:34:00 +00:00
parent cc7719396e
commit cde2709a88
16 changed files with 796 additions and 325 deletions
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lib/questionlib.php
+80 -1
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@@ -3270,10 +3270,73 @@ function quiz_rewrite_question_urls($text, $file, $contextid, $component, $filea
function question_pluginfile($course, $context, $component, $filearea, $args, $forcedownload) {
global $DB, $CFG;
list($context, $course, $cm) = get_context_info_array($context->id);
require_login($course, false, $cm);
if ($filearea === 'export') {
require_once($CFG->dirroot . '/question/editlib.php');
$contexts = new question_edit_contexts($context);
// check export capability
$contexts->require_one_edit_tab_cap('export');
$category_id = (int)array_shift($args);
$format = array_shift($args);
$cattofile = array_shift($args);
$contexttofile = array_shift($args);
$filename = array_shift($args);
// load parent class for import/export
require_once($CFG->dirroot . '/question/format.php');
require_once($CFG->dirroot . '/question/editlib.php');
require_once($CFG->dirroot . '/question/format/' . $format . '/format.php');
$classname = 'qformat_' . $format;
if (!class_exists($classname)) {
send_file_not_found();
}
$qformat = new $classname();
if (!$category = $DB->get_record('question_categories', array('id' => $category_id))) {
send_file_not_found();
}
$qformat->setCategory($category);
$qformat->setContexts($contexts->having_one_edit_tab_cap('export'));
$qformat->setCourse($course);
if ($cattofile == 'withcategories') {
$qformat->setCattofile(true);
} else {
$qformat->setCattofile(false);
}
if ($contexttofile == 'withcontexts') {
$qformat->setContexttofile(true);
} else {
$qformat->setContexttofile(false);
}
if (!$qformat->exportpreprocess()) {
send_file_not_found();
print_error('exporterror', 'question', $thispageurl->out());
}
// export data to moodle file pool
if (!$content = $qformat->exportprocess(true)) {
send_file_not_found();
}
//DEBUG
//echo '<textarea cols=90 rows=20>';
//echo $content;
//echo '</textarea>';
//die;
send_file($content, $filename, 0, 0, true, true);
}
$attemptid = (int)array_shift($args);
$questionid = (int)array_shift($args);
require_login($course, false);
if ($attemptid === 0) {
// preview
@@ -3321,3 +3384,19 @@ function question_check_file_access($question, $state, $options, $contextid, $co
return $QTYPES[$question->qtype]->check_file_access($question, $state, $options, $contextid, $component,
$filearea, $args, $forcedownload);
}
/**
* Create url for question export
*
* @param int $contextid, current context
* @param int $categoryid, categoryid
* @param string $format
* @param string $withcategories
* @param string $ithcontexts
* @param moodle_url export file url
*/
function question_make_export_url($contextid, $categoryid, $format, $withcategories, $withcontexts) {
global $CFG;
$urlbase = "$CFG->httpswwwroot/pluginfile.php";
return moodle_url::make_file_url($urlbase, "/$contextid/question/export/{$categoryid}/{$format}/{$withcategories}/{$withcontexts}/export.xml", true);
}