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Merge branch 'MDL-47176_master' of https://github.com/crazyserver/moodle

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This commit is contained in:
Dan Poltawski 2014-12-15 14:05:54 +00:00
commit 10f92c21ad
1 changed files with 28 additions and 18 deletions
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46
question/type/match/backup/moodle2/restore_qtype_match_plugin.class.php
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@ -34,6 +34,19 @@ defined('MOODLE_INTERNAL') || die();
*/
class restore_qtype_match_plugin extends restore_qtype_plugin {
/**
* A simple answer, questiontext to id cache for a match answers.
* @var array
*/
private $questionsubcache = array();
/**
* The id of the current question in the questionsubcache.
* @var int
*/
private $questionsubcacheid = null;
/**
* Returns the paths to be handled by the plugin at question level.
*/
@ -119,7 +132,6 @@ class restore_qtype_match_plugin extends restore_qtype_plugin {
// Insert record.
$newitemid = $DB->insert_record('qtype_match_subquestions', $data);
// Create mapping (there are files and states based on this).
$this->set_mapping('qtype_match_subquestions', $oldid, $newitemid);
if (isset($data->code)) {
$this->set_mapping('qtype_match_subquestion_codes', $data->code, $newitemid);
}
@ -128,18 +140,17 @@ class restore_qtype_match_plugin extends restore_qtype_plugin {
// Match questions require mapping of qtype_match_subquestions, because
// they are used by question_states->answer.
// Look for matching subquestion (by questionid, questiontext and answertext).
$sub = $DB->get_record_select('qtype_match_subquestions', 'questionid = ? AND ' .
$DB->sql_compare_text('questiontext') . ' = ' .
$DB->sql_compare_text('?').' AND answertext = ?',
array($newquestionid, $data->questiontext, $data->answertext),
'id', IGNORE_MULTIPLE);
// Have we cached the current question?
if ($this->questionsubcacheid !== $newquestionid) {
// The question changed, purge and start again!
$this->questionsubcache = array();
// Not able to find the answer, let's try cleaning the answertext
// of all the match subquestions in DB as slower fallback. MDL-36683 / MDL-30018.
if (!$sub) {
$params = array('question' => $newquestionid);
$potentialsubs = $DB->get_records('qtype_match_subquestions',
array('questionid' => $newquestionid), '', 'id, questiontext, answertext');
array('questionid' => $newquestionid), '', 'id, questiontext, answertext');
$this->questionsubcacheid = $newquestionid;
// Cache all cleaned answers and questiontext.
foreach ($potentialsubs as $potentialsub) {
// Clean in the same way than {@link xml_writer::xml_safe_utf8()}.
$cleanquestion = preg_replace('/[\x-\x8\xb-\xc\xe-\x1f\x7f]/is',
@ -150,19 +161,18 @@ class restore_qtype_match_plugin extends restore_qtype_plugin {
'', $potentialsub->answertext); // Clean CTRL chars.
$cleananswer = preg_replace("/\r\n|\r/", "\n", $cleananswer); // Normalize line ending.
if ($cleanquestion === $data->questiontext && $cleananswer == $data->answertext) {
$sub = $potentialsub;
}
$this->questionsubcache[$cleanquestion][$cleananswer] = $potentialsub->id;
}
}
// Found one. Let's create the mapping.
if ($sub) {
$this->set_mapping('qtype_match_subquestions', $oldid, $sub->id);
} else {
if (!isset($this->questionsubcache[$data->questiontext][$data->answertext])) {
throw new restore_step_exception('error_qtype_match_subquestion_missing_in_db', $data);
}
$newitemid = $this->questionsubcache[$data->questiontext][$data->answertext];
}
// Found one. Let's create the mapping.
$this->set_mapping('qtype_match_subquestions', $oldid, $newitemid);
}
public function recode_response($questionid, $sequencenumber, array $response) {