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MDL-9506 Almost completed category aggregation, including generation of raw and final grades held by these categories. Only a few small glitches remain, that cause these grades not to be generated properly. This is the last critical element of the gradebook API, so I'm looking forward to finishing it :-)

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nicolasconnault 2007-05-11 08:46:34 +00:00
parent 57b4877d87
commit 2df712352d
6 changed files with 180 additions and 68 deletions
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66
lib/grade/grade_item.php
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@ -257,9 +257,12 @@ class grade_item extends grade_object {
/**
* Loads all the grade_grades_final objects for this grade_item from the DB into grade_item::$grade_grades_final array.
* @param boolean $generatefakenullgrades If set to true, AND $CFG->usenullgrades is true, will replace missing grades with grades, gradevalue=grademin
* @return array grade_grades_final objects
*/
function load_final() {
function load_final($generatefakenullgrades=false) {
global $CFG;
$grade_final_array = get_records('grade_grades_final', 'itemid', $this->id);
if (empty($grade_final_array)) {
@ -274,7 +277,41 @@ class grade_item extends grade_object {
foreach ($grade_final_array as $f) {
$this->grade_grades_final[$f->userid] = new grade_grades_final($f);
}
return $this->grade_grades_final;
$returnarray = fullclone($this->grade_grades_final);
// If we are generating fake null grades, we have to get a list of users
if ($generatefakenullgrades && $CFG->usenullgrades) {
$users = get_records_sql_menu('SELECT userid AS "user", userid FROM ' . $CFG->prefix . 'grade_grades_final GROUP BY userid ORDER BY userid');
if (!empty($users) && is_array($users)) {
foreach ($users as $userid) {
if (!isset($returnarray[$userid])) {
$fakefinal = new grade_grades_final();
$fakefinal->itemid = $this->id;
$fakefinal->userid = $userid;
$fakefinal->gradevalue = $this->grademin;
$returnarray[$userid] = $fakefinal;
}
}
}
}
return $returnarray;
}
/**
* Returns an array of values (NOT objects) standardised from the final grades of this grade_item. They are indexed by userid.
* @return array integers
*/
function get_standardised_final() {
$standardised_finals = array();
$final_grades = $this->load_final(true);
foreach ($final_grades as $userid => $final) {
$standardised_finals[$userid] = standardise_score($final->gradevalue, $this->grademin, $this->grademax, 0, 1, true);
}
return $standardised_finals;
}
/**
@ -436,6 +473,31 @@ class grade_item extends grade_object {
}
return $grade_raw_array;
}
/**
* Takes an array of grade_grades_raw objects, indexed by userid, and saves each as a raw grade
* under this grade_item. This replaces any existing grades, after having logged each change in the history table.
* @param array $raw_grades
* @return boolean success or failure
*/
function save_raw($raw_grades, $howmodified='module', $note=NULL) {
if (!empty($raw_grades) && is_array($raw_grades)) {
$this->load_raw();
foreach ($raw_grades as $userid => $raw_grade) {
if (!empty($this->grade_grades_raw[$userid])) {
$raw_grade->update($raw_grade->gradevalue, $howmodified, $note);
} else {
$raw_grade->itemid = $this->id;
$raw_grade->insert();
}
$this->grade_grades_raw[$userid] = $raw_grade;
}
} else {
return false;
}
}
/**
* Returns the final values for this grade item (as imported by module or other source).