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MDL-9549 added comments and fixed grade item delete

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This commit is contained in:
skodak 2007-06-03 09:06:58 +00:00
parent 2ac5177aff
commit d31bae7094
1 changed files with 44 additions and 4 deletions
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48
mod/glossary/lib.php
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@ -310,12 +310,19 @@ function glossary_cron () {
return true;
}
/**
* Return grade for given user or all users.
*
* @param int $glossaryid id of glossary
* @param int $userid optional user id, 0 means all users
* @return array array of grades, false if none
*/
function glossary_get_user_grades($glossaryid, $userid=0) {
global $CFG;
$user = $userid ? "AND u.id = $userid" : "";
$sql = "SELECT u.id, avg(gr.rating) as rating
$sql = "SELECT u.id, avg(gr.rating) AS gradevalue
FROM {$CFG->prefix}user u, {$CFG->prefix}glossary_entries ge,
{$CFG->prefix}glossary_ratings gr
WHERE u.id = ge.userid AND ge.id = gr.entryid
@ -326,6 +333,12 @@ function glossary_get_user_grades($glossaryid, $userid=0) {
return get_records_sql($sql);
}
/**
* Update grades by firing grade_updated event
*
* @param object $grade_item null means all glossaries
* @param int $userid specific user only, 0 mean all
*/
function glossary_update_grades($grade_item=null, $userid=0) {
global $CFG;
@ -335,7 +348,7 @@ function glossary_update_grades($grade_item=null, $userid=0) {
$eventdata = new object();
$eventdata->itemid = $grade_item->id;
$eventdata->userid = $grade->id;
$eventdata->gradevalue = $grade->rating;
$eventdata->gradevalue = $grade->gradevalue;
events_trigger('grade_updated', $eventdata);
}
}
@ -358,6 +371,12 @@ function glossary_update_grades($grade_item=null, $userid=0) {
}
}
/**
* Return (create if needed) grade item for given glossary
*
* @param object $glossary object with extra cmidnumber and courseid property
* @return object grade_item
*/
function glossary_grade_item_get($glossary) {
if ($items = grade_get_items($glossary->courseid, 'mod', 'glossary', $glossary->id)) {
if (count($items) > 1) {
@ -373,6 +392,12 @@ function glossary_grade_item_get($glossary) {
return $grade_item;
}
/**
* Update grade item for given glossary
*
* @param object $glossary object with extra cmidnumber and courseid property
* @return object grade_item
*/
function glossary_grade_item_update($glossary) {
$grade_item = glossary_grade_item_get($glossary);
@ -399,6 +424,12 @@ function glossary_grade_item_update($glossary) {
$grade_item->update();
}
/**
* Create grade item for given glossary
*
* @param object $glossary object with extra cmidnumber and courseid property
* @return object grade_item
*/
function glossary_grade_item_create($glossary) {
$params = array('courseid' =>$glossary->courseid,
'itemtype' =>'mod',
@ -428,9 +459,18 @@ function glossary_grade_item_create($glossary) {
return $itemid;
}
/**
* Delete grade item for given glossary
*
* @param object $glossary object with extra cmidnumber and courseid property
* @return object grade_item
*/
function glossary_grade_item_delete($glossary) {
$grade_item = glossary_grade_item_get($glossary);
$grade_item->delete();
if ($grade_items = grade_get_items($glossary->courseid, 'mod', 'glossary', $glossary->id)) {
foreach($grade_items as $grade_item) {
$grade_item->delete();
}
}
}
function glossary_get_participants($glossaryid) {