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MDL-9363, some fixes for grade import, not finished!

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This commit is contained in:
toyomoyo 2007-07-13 08:06:30 +00:00
parent fb46b5b6ef
commit b435527321
3 changed files with 168 additions and 99 deletions
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123
grade/import/csv/index.php
View File

@ -1,10 +1,13 @@
<?php
require_once('../../../config.php');
include_once($CFG->libdir.'/gradelib.php');
$id = required_param('id', PARAM_INT); // course id
$course = get_record('course', 'id', $id); // actual course
// capability check
require_login($id);
require_capability('moodle/course:managegrades', get_context_instance(CONTEXT_COURSE, $course->id));
require_once('../grade_import_form.php');
@ -29,25 +32,34 @@ $action = 'importcsv';
print_header($course->shortname.': '.get_string('grades'), $course->fullname, grade_nav($course, $action));
$mform = new grade_import_form();
//$mform2 = new grade_import_mapping_form();
//if ($formdata = $mform2->get_data() ) {
// i am not able to get the mapping[] and map[] array using the following line
// they are somehow not returned with get_data()
// if ($formdata = $mform2->get_data()) {
if (($formdata = data_submitted()) && !empty($formdata->map)) {
// if mapping informatioin is supplied
foreach ($formdata->maps as $i=>$header) {
// either "new" or existing ids, clean using alphanum
$map[clean_param($header, PARAM_RAW)] = clean_param($formdata->mapping[clean_param($i, PARAM_INT)], PARAM_ALPHANUM);
}
$map[clean_param($formdata->mapfrom, PARAM_RAW)] = clean_param($formdata->mapto, PARAM_RAW);
// temporary file name supplied by form
$filename = $CFG->dataroot.'/temp/'.clean_param($formdata->filename, PARAM_FILE);
if ($fp = fopen($filename, "r")) {
// --- get header (field names) ---
$header = split($csv_delimiter, clean_param(fgets($fp,1024), PARAM_RAW));
foreach ($header as $i => $h) {
$h = trim($h); $header[$i] = $h; // remove whitespace
}
} else {
error ('could not open file '.$filename);
}
// loops mapping_0, mapping_1 .. mapping_n and construct $map array
foreach ($header as $i=>$head) {
$map[$i] = $formdata->{'mapping_'.$i};
}
// if mapping informatioin is supplied
$map[clean_param($formdata->mapfrom, PARAM_RAW)] = clean_param($formdata->mapto, PARAM_RAW);
// Large files are likely to take their time and memory. Let PHP know
// that we'll take longer, and that the process should be recycled soon
// to free up memory.
@ -60,14 +72,13 @@ if (($formdata = data_submitted()) && !empty($formdata->map)) {
// we only operate if file is readable
if ($fp = fopen($filename, "r")) {
// use current time stamp
$importcode = time();
// --- get header (field names) ---
// read the first line makes sure this doesn't get read again
$header = split($csv_delimiter, clean_param(fgets($fp,1024), PARAM_RAW));
foreach ($header as $i => $h) {
$h = trim($h); $header[$i] = $h; // remove whitespace
// use current (non-conflicting) time stamp
$importcode = time();
while (get_record('grade_import_values', 'import_code', $importcode)) {
$importcode = time();
}
$newgradeitems = array(); // temporary array to keep track of what new headers are processed
@ -79,14 +90,31 @@ if (($formdata = data_submitted()) && !empty($formdata->map)) {
// array to hold all grades to be inserted
$newgrades = array();
// array to hold all feedback
$newfeedbacks = array();
// each line is a student record
foreach ($line as $key => $value) {
//decode encoded commas
$value = clean_param($value, PARAM_RAW);
$value = preg_replace($csv_encode,$csv_delimiter2,trim($value));
switch ($map[$header[$key]]) {
/*
* the options are
* 1) userid, useridnumber, usermail, username - used to identify user row
* 2) new - new grade item
* 3) id - id of the old grade item to map onto
* 3) feedback_id - feedback for grade item id
*/
$t = explode("_", $map[$key]);
$t0 = $t[0];
if (isset($t[1])) {
$t1 = $t[1];
} else {
$t1 = '';
}
switch ($t0) {
case 'userid': //
if (!$user = get_record('user','id', $value)) {
// user not found, abort whold import
@ -145,15 +173,23 @@ if (($formdata = data_submitted()) && !empty($formdata->map)) {
}
unset($newgrade);
$newgrade -> newgradeitem = $newgradeitems[$key];
$newgrade -> rawgrade = $value;
$newgrade -> finalgrade = $value;
$newgrades[] = $newgrade;
// if not, put it in
// else, insert grade into the table
break;
case 'feeback':
if ($t1) {
// t1 is the id of the grade item
$feedback -> itemid = $t1;
$feedback -> feedback = $value;
$newfeedback[] = $feedback;
}
break;
default:
// existing grade items
if (!empty($map[$header[$key]])) {
if (!empty($map[$key]) && $value!=="") {
// non numeric grade value supplied, possibly mapped wrong column
if (!is_numeric($value)) {
@ -163,9 +199,10 @@ if (($formdata = data_submitted()) && !empty($formdata->map)) {
break 3;
}
// case of an id, only maps idnumber of a grade_item
// case of an id, only maps id of a grade_item
// this was idnumber
include_once($CFG->libdir.'/grade/grade_item.php');
if (!$gradeitem = new grade_item(array('idnumber'=>$map[$header[$key]]))) {
if (!$gradeitem = new grade_item(array('id'=>$map[$key]))) {
// supplied bad mapping, should not be possible since user
// had to pick mapping
$status = false;
@ -176,7 +213,7 @@ if (($formdata = data_submitted()) && !empty($formdata->map)) {
unset($newgrade);
$newgrade -> itemid = $gradeitem->id;
$newgrade -> rawgrade = $value;
$newgrade -> finalgrade = $value;
$newgrades[] = $newgrade;
} // otherwise, we ignore this column altogether
// because user has chosen to ignore them (e.g. institution, address etc)
@ -195,6 +232,7 @@ if (($formdata = data_submitted()) && !empty($formdata->map)) {
// insert results of this students into buffer
if (!empty($newgrades)) {
foreach ($newgrades as $newgrade) {
$newgrade->import_code = $importcode;
$newgrade->userid = $studentid;
@ -207,6 +245,22 @@ if (($formdata = data_submitted()) && !empty($formdata->map)) {
}
}
}
// updating/inserting all comments here
if (!empty($newfeedbacks)) {
foreach ($newfeedbacks as $newfeedback) {
if ($feedback = get_record('grade_import_values', 'importcode', $importcode, 'userid', $studentid, 'itemid', $newfeedback->itemid)) {
$newfeedback ->id = $feedback ->id;
update_record('grade_import_values', $newfeedback);
} else {
// the grade item for this is not updated
$newfeedback->import_code = $importcode;
$newfeedback->userid = $studentid;
insert_record('grade_import_values', $newfeedback);
}
}
}
}
/// at this stage if things are all ok, we commit the changes from temp table
@ -224,7 +278,6 @@ if (($formdata = data_submitted()) && !empty($formdata->map)) {
$filename = $mform->get_userfile_name();
// Large files are likely to take their time and memory. Let PHP know
// that we'll take longer, and that the process should be recycled soon
// to free up memory.
@ -266,20 +319,36 @@ if (($formdata = data_submitted()) && !empty($formdata->map)) {
$lines = split($csv_delimiter, fgets($fp,1024));
echo '<tr>';
foreach ($lines as $line) {
echo '<td>'.clean_param($line, PARAM_RAW).'</td>';;
echo '<td>'.$line.'</td>';;
}
$numlines ++;
echo '</tr>';
}
echo '</table>';
/// feeding gradeitems into the grade_import_mapping_form
include_once($CFG->libdir.'/grade/grade_item.php');
$gradeitems = array();
if ($id) {
if ($grade_items = grade_item::fetch_all(array('courseid'=>$id))) {
foreach ($grade_items as $grade_item) {
// skip course type and category type
if ($grade_item->itemtype == 'course' || $grade_item->itemtype == 'category') {
continue;
}
// this was idnumber
$gradeitems[$grade_item->id] = $grade_item->itemname;
}
}
}
// display the mapping form with header info processed
$mform2 = new grade_import_mapping_form(qualified_me(), array('id'=>$id, 'header'=>$header, 'filename'=>$filename));
$mform2 = new grade_import_mapping_form(qualified_me(), array('gradeitems'=>$gradeitems, 'header'=>$header, 'filename'=>$filename));
$mform2->display();
} else {
// display the standard upload file form
$mform->display();
}
print_footer();
?>

34
grade/import/grade_import_form.php
View File

@ -45,14 +45,13 @@ class grade_import_mapping_form extends moodleform {
// temporary filename
$filename = $this->_customdata['filename'];
// course id
$id = $this->_customdata['id'];
$mform->addElement('header', 'general', get_string('identifier', 'grades'));
$mapfromoptions = array();
if ($header) {
foreach ($header as $h) {
$mapfromoptions[$h] = $h;
foreach ($header as $i=>$h) {
$mapfromoptions[$i] = $h;
}
}
$mform->addElement('select', 'mapfrom', get_string('mapfrom', 'grades'), $mapfromoptions);
@ -64,34 +63,33 @@ class grade_import_mapping_form extends moodleform {
$mform->addElement('header', 'general', get_string('mappings', 'grades'));
$gradeitems = array();
$gradeitems = $this->_customdata['gradeitems'];
include_once($CFG->libdir.'/gradelib.php');
if ($id) {
if ($grade_items = grade_item::fetch_all(array('courseid'=>$id))) {
foreach ($grade_items as $grade_item) {
$gradeitems[$grade_item->idnumber] = $grade_item->itemname;
}
}
}
if ($header) {
$i = 0; // index
foreach ($header as $h) {
$h = trim($h);
// this is the order of the headers
$mform->addElement('hidden', 'maps[]', $h);
//echo '<input type="hidden" name="maps[]" value="'.$h.'"/>';
// $mform->addElement('hidden', 'maps[]', $h);
// this is what they map to
$mapfromoptions = array('0'=>'ignore', 'new'=>'new gradeitem') + $gradeitems;
$mapfromoptions = array_merge(array('0'=>'ignore', 'new'=>'new gradeitem'), $gradeitems);
$mform->addElement('select', 'mapping[]', $h, $mapfromoptions);
//choose_from_menu($mapfromoptions, 'mapping[]', $h);
$mform->addElement('select', 'mapping_'.$i, s($h), $mapfromoptions);
$i++;
}
}
// find a non-conflicting file name based on time stamp
$newfilename = 'cvstemp_'.time();
while (file_exists($CFG->dataroot.'/temp/'.$newfilename)) {
$newfilename = 'cvstemp_'.time();
}
// move the uploaded file
move_uploaded_file($filename, $CFG->dataroot.'/temp/'.$newfilename);
// course id needs to be passed for auth purposes

68
grade/import/lib.php
View File

@ -12,7 +12,7 @@ function grade_import_commit($courseid, $importcode) {
global $CFG;
include_once($CFG->libdir.'/gradelib.php');
include_once($CFG->libdir.'/grade/grade_item.php');
$commitstart = time(); // start time in case we need to roll back
$newitemids = array(); // array to hold new grade_item ids from grade_import_newitem table, mapping array
@ -30,17 +30,7 @@ function grade_import_commit($courseid, $importcode) {
if ($grades = get_records('grade_import_values', 'newgradeitem', $newitem->id)) {
$studentgrades = array();
// make the grardes array for update_grade
foreach ($grades as $grade) {
$g = new object();
$g -> userid = $grade->userid;
$g -> rawgrade = $grade->rawgrade;
$studentgrades[] = $g ;
}
$itemdetails -> itemname = $newitem->itemname;
// find the max instance number of 'manual' grade item
// and increment that number by 1 by hand
@ -61,9 +51,19 @@ function grade_import_commit($courseid, $importcode) {
$instances[] = $instance;
// if fails, deletes all the created grade_items and grades
if (!grade_update('import', $courseid, 'manual', NULL, $instance, NULL, $studentgrades, $itemdetails) == GRADE_UPDATE_OK) {
// undo existings ones
include_once($CFG->libdir.'/grade/grade_item.php');
/// create a new grade item for this
$gradeitem = new grade_item(array('courseid'=>$courseid, 'itemtype'=>'manual', 'iteminstance'=>$instance, 'itemname'=>$newitem->itemname));
$gradeitem->insert();
// insert each individual grade to this new grade item
$failed = 0;
foreach ($grades as $grade) {
if (!$gradeitem->update_final_grade($grade->userid, $grade->finalgrade, NULL, NULL, $grade->feedback)) {
$failed = 1;
break;
}
}
if ($failed) {
foreach ($instances as $instance) {
$gradeitem = new grade_item(array('courseid'=>$courseid, 'itemtype'=>'manual', 'iteminstance'=>$instance));
// this method does not seem to delete all the raw grades and the item itself
@ -71,6 +71,7 @@ function grade_import_commit($courseid, $importcode) {
$gradeitem->delete();
}
import_cleanup($importcode);
return false;
}
}
}
@ -80,35 +81,36 @@ function grade_import_commit($courseid, $importcode) {
if ($gradeitems = get_records_sql("SELECT DISTINCT (itemid)
FROM {$CFG->prefix}grade_import_values
WHERE import_code = $importcode")) {
$modifieditems = array();
foreach ($gradeitems as $itemid) {
WHERE import_code = $importcode
AND itemid > 0")) {
if (!$gradeitem = get_record('grade_items', 'id', $itemid->itemid)) {
continue; // new items which are already processed
$modifieditems = array();
foreach ($gradeitems as $itemid=>$iteminfo) {
if (!$gradeitem = new grade_item(array('id'=>$itemid))) {
// not supposed to happen, but just in case
import_cleanup($importcode);
return false;
}
// get all grades with this item
if ($grades = get_records('grade_import_values', 'itemid', $itemid->itemid)) {
if ($grades = get_records('grade_import_values', 'itemid', $itemid)) {
$studentgrades = array();
// make the grardes array for update_grade
foreach ($grades as $grade) {
$g = new object();
$g -> userid = $grade->userid;
$g -> rawgrade = $grade->rawgrade;
$studentgrades[] = $g ;
if (!$gradeitem->update_final_grade($grade->userid, $grade->finalgrade, NULL, NULL, $grade->feedback)) {
$failed = 1;
break 2;
}
}
//$itemdetails -> idnumber = $gradeitem->idnumber;
$modifieditems[] = $itemid;
if (!grade_update('import', $courseid, $gradeitem->itemtype, $gradeitem->itemmodule, $gradeitem->iteminstance, $gradeitem->itemnumber, $studentgrades) == GRADE_UPDATE_OK) {
// here we could possibly roll back by using grade_history
// to compare timestamps?
import_cleanup($importcode);
}
}
if (!empty($failed)) {
import_cleanup($importcode);
return false;
}
}
}