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MDL-19937 workshop migration from rubric 1.9 into rubric 2.0

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This commit is contained in:
David Mudrak
2010-01-15 17:01:00 +00:00
parent 5a84cc7048
commit f5be71a379
3 changed files with 157 additions and 8 deletions
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mod/workshop/form/accumulative/db/upgradelib.php
+1
View File
@@ -64,6 +64,7 @@ function workshopform_accumulative_upgrade_legacy() {
$newelementids = workshop_upgrade_element_id_mappings('accumulative');
// migrate all grades for these elements (it est the values that reviewers put into forms)
echo $OUTPUT->notification('Copying assessment form grades', 'notifysuccess');
$sql = "SELECT *
FROM {workshop_grades_old}
WHERE workshopid $workshopids
mod/workshop/form/numerrors/db/upgradelib.php
+2 -2
View File
@@ -41,7 +41,7 @@ function workshopform_numerrors_upgrade_legacy() {
// get the list of all legacy workshops using this grading strategy
if ($legacyworkshops = $DB->get_records('workshop_old', array('gradingstrategy' => 2), 'course,id', 'id')) {
echo $OUTPUT->notification('Copying assessment forms elements', 'notifysuccess');
echo $OUTPUT->notification('Copying assessment forms elements and grade mappings', 'notifysuccess');
$legacyworkshops = array_keys($legacyworkshops);
// get some needed info about the workshops
$workshopinfos = $DB->get_records_list('workshop_old', 'id', $legacyworkshops, 'id', 'id,grade');
@@ -76,7 +76,6 @@ function workshopform_numerrors_upgrade_legacy() {
}
$DB->set_field('workshop_elements_old', 'newplugin', 'numerrors', array('id' => $old->id));
$DB->set_field('workshop_elements_old', 'newid', $newid, array('id' => $old->id));
}
$rs->close();
@@ -85,6 +84,7 @@ function workshopform_numerrors_upgrade_legacy() {
$newelementids = workshop_upgrade_element_id_mappings('numerrors');
// migrate all grades for these elements (it est the values that reviewers put into forms)
echo $OUTPUT->notification('Copying assessment form grades', 'notifysuccess');
$sql = "SELECT *
FROM {workshop_grades_old}
WHERE workshopid $workshopids
mod/workshop/form/rubric/db/upgradelib.php
+154 -6
View File
@@ -35,7 +35,7 @@ function workshopform_rubric_upgrade_legacy() {
return;
}
workshopform_rubric_upgrade_legacy_criterion();
// todo workshopform_rubric_upgrade_legacy_rubric();
workshopform_rubric_upgrade_legacy_rubric();
}
/**
@@ -47,7 +47,7 @@ function workshopform_rubric_upgrade_legacy_criterion() {
// get the list of all legacy workshops using this grading strategy
if ($legacyworkshops = $DB->get_records('workshop_old', array('gradingstrategy' => 3), 'course,id', 'id')) {
echo $OUTPUT->notification('Copying assessment forms elements', 'notifysuccess');
echo $OUTPUT->notification('Copying criterion assessment form elements', 'notifysuccess');
$legacyworkshops = array_keys($legacyworkshops);
// get the list of all form elements
list($workshopids, $params) = $DB->get_in_or_equal($legacyworkshops, SQL_PARAMS_NAMED);
@@ -83,9 +83,9 @@ function workshopform_rubric_upgrade_legacy_criterion() {
if (trim($old->description)) {
$new = workshopform_rubric_upgrade_criterion_level($old, $newdimensionids[$old->workshopid]);
$newid = $DB->insert_record('workshopform_rubric_levels', $new);
$DB->set_field('workshop_elements_old', 'newplugin', 'rubric_levels', array('id' => $old->id));
$DB->set_field('workshop_elements_old', 'newid', $newid, array('id' => $old->id));
}
$DB->set_field('workshop_elements_old', 'newplugin', 'rubric_levels', array('id' => $old->id));
$DB->set_field('workshop_elements_old', 'newid', $newid, array('id' => $old->id));
}
$rs->close();
@@ -93,6 +93,7 @@ function workshopform_rubric_upgrade_legacy_criterion() {
$newelementids = workshop_upgrade_element_id_mappings('rubric_levels');
// migrate all grades for these elements (it est the values that reviewers put into forms)
echo $OUTPUT->notification('Copying criterion assessment form grades', 'notifysuccess');
$sql = "SELECT *
FROM {workshop_grades_old}
WHERE workshopid $workshopids
@@ -121,9 +122,112 @@ function workshopform_rubric_upgrade_legacy_criterion() {
}
/**
* Transforms a given record from workshop_elements_old into an object to be saved into workshopform_rubric_levels
* Upgrades legacy workshops using rubric grading strategy
*/
function workshopform_rubric_upgrade_legacy_rubric() {
global $CFG, $DB, $OUTPUT;
require_once($CFG->dirroot . '/mod/workshop/db/upgradelib.php');
// get the list of all legacy workshops using this grading strategy
if ($legacyworkshops = $DB->get_records('workshop_old', array('gradingstrategy' => 4), 'course,id', 'id')) {
echo $OUTPUT->notification('Copying rubric assessment form elements', 'notifysuccess');
$legacyworkshops = array_keys($legacyworkshops);
// get the list of all form elements and rubrics
list($workshopids, $params) = $DB->get_in_or_equal($legacyworkshops, SQL_PARAMS_NAMED);
$sql = "SELECT e.id AS eid, e.workshopid AS workshopid, e.elementno AS esort, e.description AS edesc, e.weight AS eweight,
r.id AS rid, r.rubricno AS rgrade, r.description AS rdesc
FROM {workshop_elements_old} e
LEFT JOIN {workshop_rubrics_old} r ON (r.elementno = e.elementno AND r.workshopid = e.workshopid)
WHERE e.workshopid $workshopids
AND e.newid IS NULL
AND r.newid IS NULL
ORDER BY e.workshopid, e.elementno, r.rubricno";
$rs = $DB->get_recordset_sql($sql, $params);
$newworkshopids = workshop_upgrade_workshop_id_mappings(); // array of (int)oldworkshopid => (int)newworkshopid
$newdimensionids = array(); // (int)oldworkshopid => (int)elementno => (int)dimensionid
$newlevelids = array(); // (int)oldrubricid => (int)newlevelid
$prevelement = null;
foreach ($rs as $old) {
// create rubric criterion and the configuration if necessary
if (!isset($newdimensionids[$old->workshopid]) or !isset($newdimensionids[$old->workshopid][$old->esort])) {
if (!$DB->record_exists('workshopform_rubric', array('workshopid' => $newworkshopids[$old->workshopid], 'sort' => $old->esort))) {
$newdimension = new stdclass();
$newdimenison->workshopid = $newworkshopids[$old->workshopid];
$newdimenison->sort = $old->esort;
$newdimenison->description = $old->edesc;
$newdimenison->descriptionformat = FORMAT_HTML;
$newdimensionids[$old->workshopid][$old->esort] = $DB->insert_record('workshopform_rubric', $newdimenison);
} else {
$newdimensionids[$old->workshopid][$old->esort] = $DB->get_field('workshopform_rubric', 'id',
array('workshopid' => $newworkshopids[$old->workshopid], 'sort' => $old->esort));
}
if (!$DB->record_exists('workshopform_rubric_config', array('workshopid' => $newworkshopids[$old->workshopid]))) {
$newconfig = new stdclass();
$newconfig->workshopid = $newworkshopids[$old->workshopid];
$newconfig->layout = 'grid';
$DB->insert_record('workshopform_rubric_config', $newconfig);
}
}
// process the information about the criterion levels
if (trim($old->rdesc)) {
$new = workshopform_rubric_upgrade_rubric_level($old, $newdimensionids[$old->workshopid][$old->esort]);
$newid = $DB->insert_record('workshopform_rubric_levels', $new);
$DB->set_field('workshop_rubrics_old', 'newplugin', 'rubric_levels', array('id' => $old->rid));
$DB->set_field('workshop_rubrics_old', 'newid', $newid, array('id' => $old->rid));
}
// mark the whole element as processed if the last level was processed
if ($old->rgrade == 4) {
$DB->set_field('workshop_elements_old', 'newplugin', 'rubric', array('id' => $old->eid));
$DB->set_field('workshop_elements_old', 'newid', $newdimensionids[$old->workshopid][$old->esort], array('id' => $old->eid));
}
}
$rs->close();
// reload the mappings - this must be reloaded so that we can run this during recovery
$newelementids = workshop_upgrade_element_id_mappings('rubric');
// load the legacy element weights and multiply the new max grade by it
echo $OUTPUT->notification('Recalculating rubric assessment form element weights', 'notifysuccess');
$oldweights = $DB->get_records('workshop_elements_old', array('newplugin' => 'rubric'), '', 'id,workshopid,elementno,weight');
$newweights = array();
foreach ($oldweights as $eid => $element) {
$newweights[$newelementids[$element->workshopid][$element->elementno]->newid] = workshopform_rubric_upgrade_weight($element->weight);
}
unset($oldweights);
unset($element);
// migrate all grades for these elements (it est the values that reviewers put into forms)
echo $OUTPUT->notification('Copying rubric assessment form grades', 'notifysuccess');
$sql = "SELECT *
FROM {workshop_grades_old}
WHERE workshopid $workshopids
AND newid IS NULL";
$rs = $DB->get_recordset_sql($sql, $params);
$newassessmentids = workshop_upgrade_assessment_id_mappings();
foreach ($rs as $old) {
if (!isset($newelementids[$old->workshopid]) or !isset($newelementids[$old->workshopid][$old->elementno])) {
// orphaned grade - the assessment form element has been removed after the grade was recorded
continue;
}
$new = new stdclass();
$new->assessmentid = $newassessmentids[$old->assessmentid];
$new->strategy = 'rubric';
$new->dimensionid = $newelementids[$old->workshopid][$old->elementno]->newid;
$new->grade = $old->grade * $newweights[$new->dimensionid];
$new->peercomment = $old->feedback;
$new->peercommentformat = FORMAT_HTML;
$newid = $DB->insert_record('workshop_grades', $new);
$DB->set_field('workshop_grades_old', 'newplugin', 'rubric', array('id' => $old->id));
$DB->set_field('workshop_grades_old', 'newid', $newid, array('id' => $old->id));
}
$rs->close();
}
}
/**
* Transforms given record from workshop_elements_old into an object to be saved into workshopform_rubric_levels
*
* This is used during Criterion -> Rubric conversion
* This is used during Criterion 1.9 -> Rubric 2.0 conversion
*
* @param stdclass $old legacy record from workshop_elements_old
* @param int $newdimensionid id of the new workshopform_rubric dimension record to be linked to
@@ -138,6 +242,24 @@ function workshopform_rubric_upgrade_criterion_level(stdclass $old, $newdimensio
return $new;
}
/**
* Transforms given record into an object to be saved into workshopform_rubric_levels
*
* This is used during Rubric 1.9 -> Rubric 2.0 conversion
*
* @param stdclass $old legacy record from joined workshop_elements_old + workshop_rubrics_old
* @param int $newdimensionid id of the new workshopform_rubric dimension record to be linked to
* @return stdclass to be saved in workshopform_rubric_levels
*/
function workshopform_rubric_upgrade_rubric_level(stdclass $old, $newdimensionid) {
$new = new stdclass();
$new->dimensionid = $newdimensionid;
$new->grade = $old->rgrade * workshopform_rubric_upgrade_weight($old->eweight);
$new->definition = $old->rdesc;
$new->definitionformat = FORMAT_HTML;
return $new;
}
/**
* Check if the the migration from legacy workshop 1.9 is needed
*
@@ -152,3 +274,29 @@ function workshopform_rubric_upgrade_legacy_needed() {
}
return true;
}
/**
* Given old workshop element weight, returns the weight multiplier
*
* Negative weights are not supported any more and are replaced with weight = 0.
* Legacy workshop did not store the raw weight but the index in the array
* of weights (see $WORKSHOP_EWEIGHTS in workshop 1.x). workshop 2.0 uses
* integer weights only (0-16) so all previous weights are multiplied by 4.
*
* @param $oldweight index in legacy $WORKSHOP_EWEIGHTS
* @return int new weight
*/
function workshopform_rubric_upgrade_weight($oldweight) {
switch ($oldweight) {
case 8: $weight = 1; break;
case 9: $weight = 2; break;
case 10: $weight = 3; break;
case 11: $weight = 4; break;
case 12: $weight = 6; break;
case 13: $weight = 8; break;
case 14: $weight = 16; break;
default: $weight = 0;
}
return $weight;
}