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Work done on group functions

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moodler 2004-01-11 17:44:46 +00:00
parent ddc7afad9a
commit 0d67c51458
1 changed files with 58 additions and 1 deletions
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59
lib/moodlelib.php
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@ -876,6 +876,7 @@ function remove_course_contents($courseid, $showfeedback=true) {
/// GROUPS /////////////////////////////////////////////////////////
/**
* Returns a boolean: is the user a member of the given group?
@ -886,12 +887,35 @@ function ismember($groupid, $userid=0) {
global $USER;
if (!$userid) {
return !empty($USER->groupmember[$groupid]);
if (empty($USER->groupmember)) {
return false;
}
foreach ($USER->groupmember as $courseid => $mgroupid) {
if ($mgroupid == $groupid) {
return true;
}
}
return false;
}
return record_exists("groups_members", "groupid", $groupid, "userid", $userid);
}
/**
* Returns the group ID of the current user in the given course
*
* @param type description
*/
function mygroupid($courseid) {
global $USER;
if (empty($USER->groupmember[$courseid])) {
return 0;
} else {
return $USER->groupmember[$courseid];
}
}
/**
* For a given course, and possibly course module, determine
* what the current default groupmode is:
@ -943,6 +967,39 @@ function get_current_group($courseid, $full=false) {
}
}
/**
* A combination function to make it easier for modules
* to set up groups.
*
* It will use a given "groupid" parameter and try to use
* that to reset the current group for the user.
*
* @param type description
*/
function get_and_set_current_group($course, $groupmode, $groupid=0) {
if (!$groupmode) { // Groups don't even apply
return false;
}
$currentgroupid = get_current_group($course->id);
if ($groupid) { // Try to change the current group
if ($group = get_record('groups', 'id', $groupid, 'courseid', $course->id)) { // Exists
if (isteacheredit($course->id)) { // Sets current default group
$currentgroupid = set_current_group($course->id, $group->id);
} else if ($groupmode == VISIBLEGROUPS) { // All groups are visible
$currentgroupid = $group->id;
}
}
}
return $currentgroupid;
}
/// CORRESPONDENCE ////////////////////////////////////////////////