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MDL-19937 workshop submissions migration

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This commit is contained in:
David Mudrak
2010-01-04 18:32:53 +00:00
parent f2443a42aa
commit 067f63c593
2 changed files with 214 additions and 41 deletions
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mod/workshop/db/upgrade.php
+82 -2
View File
@@ -79,7 +79,15 @@ function xmldb_workshop_upgrade($oldversion) {
if ($dbman->table_exists($tableorig)) {
$dbman->rename_table(new XMLDBTable($tableorig), $tablearchive);
}
// append a new field 'newid' in every archived table. null value means the record was not migrated yet
// append a new field 'newplugin' into every archived table. In this field, the name of the subplugin
// who adopted the record during the migration is stored. null value means the record is not migrated yet
$table = new xmldb_table($tablearchive);
$field = new xmldb_field('newplugin', XMLDB_TYPE_CHAR, '28', null, null, null, null);
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// append a new field 'newid' in every archived table. null value means the record was not migrated yet.
// the field will hold the new id of the migrated record
$table = new xmldb_table($tablearchive);
$field = new xmldb_field('newid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null);
if (!$dbman->field_exists($table, $field)) {
@@ -105,10 +113,82 @@ function xmldb_workshop_upgrade($oldversion) {
if ($result && $oldversion < 2009102903) {
require_once(dirname(__FILE__) . '/upgradelib.php');
echo $OUTPUT->notification('Copying workshop core data', 'notifysuccess');
workshop_upgrade_copy_instances();
workshop_upgrade_module_instances();
upgrade_mod_savepoint($result, 2009102903, 'workshop');
}
/**
* Migration from 1.9 - step 4 - migrate submissions
*/
if ($result && $oldversion < 2009102904) {
require_once(dirname(__FILE__) . '/upgradelib.php');
echo $OUTPUT->notification('Copying submissions', 'notifysuccess');
workshop_upgrade_submissions();
upgrade_mod_savepoint($result, 2009102904, 'workshop');
}
/**
* Migration from 1.9 - step 5 - migrate submission attachment to new file storage
*/
if ($result && $oldversion < 2009102905) {
// $filearea = "$workshop->course/$CFG->moddata/workshop/$submission->id";
$fs = get_file_storage();
$from = 'FROM {workshop_submissions} s
JOIN {workshop} w ON (w.id = s.workshopid)
JOIN {modules} m ON (m.name = :modulename)
JOIN {course_modules} cm ON (cm.module = m.id AND cm.instance = w.id)
WHERE s.attachment <> 1';
$params = array('modulename' => 'workshop');
$count = $DB->count_records_sql('SELECT COUNT(s.id) ' . $from, $params);
$rs = $DB->get_recordset_sql('SELECT s.id, s.authorid, s.workshopid, cm.course, cm.id AS cmid ' .
$from . ' ORDER BY cm.course, w.id', $params);
$pbar = new progress_bar('migrateworkshopsubmissions', 500, true);
$i = 0;
foreach ($rs as $submission) {
$i++;
upgrade_set_timeout(60); // set up timeout, may also abort execution
$pbar->update($i, $count, "Migrating workshop submissions - $i/$count");
$filedir = "$CFG->dataroot/$submission->course/$CFG->moddata/workshop/$submission->id";
if ($files = get_directory_list($filedir, '', false)) {
$context = get_context_instance(CONTEXT_MODULE, $submission->cmid);
foreach ($files as $filename) {
$filepath = $filedir . '/' . $filename;
if (!is_readable($filepath)) {
echo $OUTPUT->notification('File not readable: ' . $filepath);
continue;
}
$filename = clean_param($filename, PARAM_FILE);
if ($filename === '') {
echo $OUTPUT->notification('Unsupported submission filename: ' . $filepath);
continue;
}
if (! $fs->file_exists($context->id, 'workshop_submission_attachment', $submission->id, '/', $filename)) {
$filerecord = array('contextid' => $context->id,
'filearea' => 'workshop_submission_attachment',
'itemid' => $submission->id,
'filepath' => '/',
'filename' => $filename,
'userid' => $submission->authorid);
if ($fs->create_file_from_pathname($filerecord, $filepath)) {
$submission->attachment = 1;
if ($DB->update_record('workshop_submissions', $submission)) {
unlink($filepath);
}
}
}
}
}
// remove dirs if empty
@rmdir("$CFG->dataroot/$submission->course/$CFG->moddata/workshop/$submission->id");
@rmdir("$CFG->dataroot/$submission->course/$CFG->moddata/workshop");
@rmdir("$CFG->dataroot/$submission->course/$CFG->moddata");
@rmdir("$CFG->dataroot/$submission->course");
}
$rs->close();
upgrade_mod_savepoint($result, 2009102905, 'workshop');
}
/**
* End of migration from 1.9
*/
mod/workshop/db/upgradelib.php
+132 -39
View File
@@ -34,7 +34,6 @@ function workshop_upgrade_prepare_20_tables() {
if (!$dbman->table_exists('workshop')) {
$table = new xmldb_table('workshop');
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null); // id in 1.9 table
$table->add_field('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null);
$table->add_field('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null);
$table->add_field('intro', XMLDB_TYPE_TEXT, 'big', null, null, null, null);
@@ -145,56 +144,150 @@ function workshop_upgrade_prepare_20_tables() {
}
/**
* Copies the records from workshop_old into workshop table, keeping the original id in oldid column
* Copies the records from workshop_old into workshop table
*
* @return void
*/
function workshop_upgrade_copy_instances() {
function workshop_upgrade_module_instances() {
global $CFG, $DB, $OUTPUT;
upgrade_set_timeout();
$moduleid = $DB->get_field('modules', 'id', array('name' => 'workshop'), MUST_EXIST);
$rs = $DB->get_recordset_select('workshop_old', 'newid IS NULL');
foreach ($rs as $old) {
$new = new stdClass();
$new->oldid = $old->id;
$new->course = $old->course;
$new->name = $old->name;
$new->intro = $old->description;
$new->introformat = $old->format;
$new->nattachments = $old->nattachments;
$new->maxbytes = $old->maxbytes;
$new->grade = $old->grade;
$new->gradinggrade = $old->gradinggrade;
$new->phase = 50; // defined in locallib.php as const workshop::PHASE_CLOSED
$new->timemodified = time();
if ($old->ntassessments > 0) {
$new->useexamples = 1;
} else {
$new->useexamples = 0;
}
$new->usepeerassessment = 1;
$new->useselfassessment = $old->includeself;
switch ($old->gradingstrategy) {
case 0: // 'notgraded' - renamed
$new->strategy = 'comments';
break;
case 1: // 'accumulative'
$new->strategy = 'accumulative';
break;
case 2: // 'errorbanded' - renamed
$new->strategy = 'numerrors';
break;
case 3: // 'criterion' - will be migrated into 'rubric'
$new->strategy = 'rubric';
break;
case 4: // 'rubric'
$new->strategy = 'rubric';
break;
}
$new = workshop_upgrade_transform_instance($old);
$newid = $DB->insert_record('workshop', $new, true, true);
$DB->set_field('course_modules', 'instance', $newid, array('module' => $moduleid, 'instance' => $old->id));
$DB->set_field('workshop_old', 'newplugin', 'workshop', array('id' => $old->id));
$DB->set_field('workshop_old', 'newid', $newid, array('id' => $old->id));
}
$rs->close();
}
/**
* Given a record containing data from 1.9 workshop table, returns object containing data as should be saved in 2.0 workshop table
*
* @param stdClass $old record from 1.9 workshop table
* @return stdClass
*/
function workshop_upgrade_transform_instance(stdClass $old) {
global $CFG;
require_once(dirname(dirname(__FILE__)) . '/locallib.php');
$new = new stdClass();
$new->course = $old->course;
$new->name = $old->name;
$new->intro = $old->description;
$new->introformat = $old->format;
$new->nattachments = $old->nattachments;
$new->maxbytes = $old->maxbytes;
$new->grade = $old->grade;
$new->gradinggrade = $old->gradinggrade;
$new->phase = workshop::PHASE_CLOSED;
$new->timemodified = time();
if ($old->ntassessments > 0) {
$new->useexamples = 1;
} else {
$new->useexamples = 0;
}
$new->usepeerassessment = 1;
$new->useselfassessment = $old->includeself;
switch ($old->gradingstrategy) {
case 0: // 'notgraded' - renamed
$new->strategy = 'comments';
break;
case 1: // 'accumulative'
$new->strategy = 'accumulative';
break;
case 2: // 'errorbanded' - renamed
$new->strategy = 'numerrors';
break;
case 3: // 'criterion' - will be migrated into 'rubric'
$new->strategy = 'rubric';
break;
case 4: // 'rubric'
$new->strategy = 'rubric';
break;
}
return $new;
}
/**
* TODO: short description.
*
* @return TODO
*/
function workshop_upgrade_workshop_id_mappings() {
global $DB;
$oldrecords = $DB->get_records('workshop_old', null, 'id', 'id,newid');
$newids = array();
foreach ($oldrecords as $oldid => $oldrecord) {
if ($oldrecord->id and $oldrecord->newid) {
$newids[$oldid] = $oldrecord->newid;
}
}
return $newids;
}
/**
* Copies records from workshop_submissions_old into workshop_submissions. Can be called after all workshop module instances
* were correctly migrated and new ids are filled in workshop_old
*
* @return void
*/
function workshop_upgrade_submissions() {
global $CFG, $DB, $OUTPUT;
upgrade_set_timeout();
// mapping table from legacy workshop instance id to the new one: array of (int)oldid => (int)newid
$workshopnewids = workshop_upgrade_workshop_id_mappings();
// list of teachers in every workshop: array of (int)workshopid => array of (int)userid => notused
$workshopteachers = array();
$rs = $DB->get_recordset_select('workshop_submissions_old', 'newid IS NULL');
foreach ($rs as $old) {
if (!isset($workshopteachers[$old->workshopid])) {
$cm = get_coursemodule_from_instance('workshop', $old->workshopid, 0, false, MUST_EXIST);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$workshopteachers[$old->workshopid] = get_users_by_capability($context, 'mod/workshop:manage', 'u.id');
}
$new = workshop_upgrade_transform_submission($old, $workshopnewids, $workshopteachers[$old->workshopid]);
$newid = $DB->insert_record('workshop_submissions', $new, true, true);
$DB->set_field('workshop_submissions_old', 'newplugin', 'submissions', array('id' => $old->id));
$DB->set_field('workshop_submissions_old', 'newid', $newid, array('id' => $old->id));
}
$rs->close();
}
/**
* Given a record from 1.x workshop_submissions_old, returns data for 2.0 workshop_submissions
*
* @param stdClass $old
* @param array $workshopnewids $oldid => $newid workshop instances mapping table
* @param array $legacyteachers $userid => notused the list of legacy workshop teachers for the submission's workshop
* @return stdClass
*/
function workshop_upgrade_transform_submission(stdClass $old, array $workshopnewids, array $legacyteachers) {
$new = new stdclass(); // new submission record to be returned
$new->workshopid = $workshopnewids[$old->workshopid];
if (isset($legacyteachers[$old->userid])) {
// the author of the submission was teacher = had mod/workshop:manage. this is the only way how we can
// recognize the submission should be treated as example submission (ach jo...)
$new->example = 1;
} else {
$new->example = 0;
}
$new->authorid = $old->userid;
$new->timecreated = $old->timecreated;
$new->timemodified = $old->timecreated;
$new->title = $old->title;
$new->content = $old->description;
$new->contentformat = FORMAT_HTML;
$new->contenttrust = 0;
$new->published = 0;
return $new;
}