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Merge branch 'MDL-39726-master' of https://github.com/merrill-oakland/moodle

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This commit is contained in:
Damyon Wiese
2014-06-09 09:51:58 +08:00
parent 589291889d d6441d1e5e
commit d78fa6c10a
1 changed files with 84 additions and 48 deletions
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backup/moodle2/restore_stepslib.php
+84 -48
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@@ -3676,13 +3676,16 @@ class restore_move_module_questions_categories extends restore_execution_step {
* Execution step that will create all the question/answers/qtype-specific files for the restored
* questions. It must be executed after {@link restore_move_module_questions_categories}
* because only then each question is in its final category and only then the
* context can be determined
*
* TODO: Improve this. Instead of looping over each question, it can be reduced to
* be done by contexts (this will save a huge ammount of queries)
* contexts can be determined.
*/
class restore_create_question_files extends restore_execution_step {
/** @var array Question-type specific component items cache. */
private $qtypecomponentscache = array();
/**
* Preform the restore_create_question_files step.
*/
protected function define_execution() {
global $DB;
@@ -3690,60 +3693,93 @@ class restore_create_question_files extends restore_execution_step {
$progress = $this->task->get_progress();
$progress->start_progress($this->get_name(), \core\progress\base::INDETERMINATE);
// Let's process only created questions
$questionsrs = $DB->get_recordset_sql("SELECT bi.itemid, bi.newitemid, bi.parentitemid, q.qtype
FROM {backup_ids_temp} bi
JOIN {question} q ON q.id = bi.newitemid
// Parentitemids of question_createds in backup_ids_temp are the category it is in.
// MUST use a recordset, as there is no unique key in the first (or any) column.
$catqtypes = $DB->get_recordset_sql("SELECT DISTINCT bi.parentitemid AS categoryid, q.qtype as qtype
FROM {backup_ids_temp} AS bi
JOIN {question} AS q ON q.id = bi.newitemid
WHERE bi.backupid = ?
AND bi.itemname = 'question_created'", array($this->get_restoreid()));
foreach ($questionsrs as $question) {
// Report progress for each question.
$progress->progress();
AND bi.itemname = 'question_created'
ORDER BY categoryid ASC", array($this->get_restoreid()));
// Get question_category mapping, it contains the target context for the question
if (!$qcatmapping = restore_dbops::get_backup_ids_record($this->get_restoreid(), 'question_category', $question->parentitemid)) {
// Something went really wrong, cannot find the question_category for the question
debugging('Error fetching target context for question', DEBUG_DEVELOPER);
continue;
}
// Calculate source and target contexts
$oldctxid = $qcatmapping->info->contextid;
$newctxid = $qcatmapping->parentitemid;
$currentcatid = -1;
foreach ($catqtypes as $categoryid => $row) {
$qtype = $row->qtype;
// Add common question files (question and question_answer ones)
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'questiontext',
$oldctxid, $this->task->get_userid(), 'question_created', $question->itemid, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'generalfeedback',
$oldctxid, $this->task->get_userid(), 'question_created', $question->itemid, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'answer',
$oldctxid, $this->task->get_userid(), 'question_answer', null, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'answerfeedback',
$oldctxid, $this->task->get_userid(), 'question_answer', null, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'hint',
$oldctxid, $this->task->get_userid(), 'question_hint', null, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'correctfeedback',
$oldctxid, $this->task->get_userid(), 'question_created', $question->itemid, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'partiallycorrectfeedback',
$oldctxid, $this->task->get_userid(), 'question_created', $question->itemid, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'incorrectfeedback',
$oldctxid, $this->task->get_userid(), 'question_created', $question->itemid, $newctxid, true, $progress);
// Check if we are in a new category.
if ($currentcatid !== $categoryid) {
// Report progress for each category.
$progress->progress();
// Add qtype dependent files
$components = backup_qtype_plugin::get_components_and_fileareas($question->qtype);
foreach ($components as $component => $fileareas) {
foreach ($fileareas as $filearea => $mapping) {
// Use itemid only if mapping is question_created
$itemid = ($mapping == 'question_created') ? $question->itemid : null;
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), $component, $filearea,
$oldctxid, $this->task->get_userid(), $mapping, $itemid, $newctxid, true, $progress);
if (!$qcatmapping = restore_dbops::get_backup_ids_record($this->get_restoreid(),
'question_category', $categoryid)) {
// Something went really wrong, cannot find the question_category for the question_created records.
debugging('Error fetching target context for question', DEBUG_DEVELOPER);
continue;
}
// Calculate source and target contexts.
$oldctxid = $qcatmapping->info->contextid;
$newctxid = $qcatmapping->parentitemid;
$this->send_common_files($oldctxid, $newctxid, $progress);
$currentcatid = $categoryid;
}
$this->send_qtype_files($qtype, $oldctxid, $newctxid, $progress);
}
$questionsrs->close();
$catqtypes->close();
$progress->end_progress();
}
}
/**
* Send the common question files to a new context.
*
* @param int $oldctxid Old context id.
* @param int $newctxid New context id.
* @param \core\progress $progress Progress object to use.
*/
private function send_common_files($oldctxid, $newctxid, $progress) {
// Add common question files (question and question_answer ones).
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'questiontext',
$oldctxid, $this->task->get_userid(), 'question_created', null, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'generalfeedback',
$oldctxid, $this->task->get_userid(), 'question_created', null, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'answer',
$oldctxid, $this->task->get_userid(), 'question_answer', null, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'answerfeedback',
$oldctxid, $this->task->get_userid(), 'question_answer', null, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'hint',
$oldctxid, $this->task->get_userid(), 'question_hint', null, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'correctfeedback',
$oldctxid, $this->task->get_userid(), 'question_created', null, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'partiallycorrectfeedback',
$oldctxid, $this->task->get_userid(), 'question_created', null, $newctxid, true, $progress);
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), 'question', 'incorrectfeedback',
$oldctxid, $this->task->get_userid(), 'question_created', null, $newctxid, true, $progress);
}
/**
* Send the question type specific files to a new context.
*
* @param text $qtype The qtype name to send.
* @param int $oldctxid Old context id.
* @param int $newctxid New context id.
* @param \core\progress $progress Progress object to use.
*/
private function send_qtype_files($qtype, $oldctxid, $newctxid, $progress) {
if (!isset($this->qtypecomponentscache[$qtype])) {
$this->qtypecomponentscache[$qtype] = backup_qtype_plugin::get_components_and_fileareas($qtype);
}
$components = $this->qtypecomponentscache[$qtype];
foreach ($components as $component => $fileareas) {
foreach ($fileareas as $filearea => $mapping) {
restore_dbops::send_files_to_pool($this->get_basepath(), $this->get_restoreid(), $component, $filearea,
$oldctxid, $this->task->get_userid(), $mapping, null, $newctxid, true, $progress);
}
}
}
}
/**
* Try to restore aliases and references to external files.