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MDL-46524: Auto-create groups from existing group or grouping membership

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This commit is contained in:
Gregory Faller 2014-08-06 10:50:14 +09:30
parent 40f0ad21a3
commit e4ebf7ef0f
6 changed files with 165 additions and 11 deletions
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32
group/lib.php
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@ -707,12 +707,12 @@ function groups_get_possible_roles($context) {
*
* @param int $courseid The id of the course
* @param int $roleid The role to select users from
* @param int $cohortid restrict to cohort id
* @param mixed $source restrict to cohort, grouping or group id
* @param string $orderby The column to sort users by
* @param int $notingroup restrict to users not in existing groups
* @return array An array of the users
*/
function groups_get_potential_members($courseid, $roleid = null, $cohortid = null,
function groups_get_potential_members($courseid, $roleid = null, $source = null,
$orderby = 'lastname ASC, firstname ASC',
$notingroup = null) {
global $DB;
@ -749,18 +749,34 @@ function groups_get_potential_members($courseid, $roleid = null, $cohortid = nul
$where = "";
}
if ($cohortid) {
$cohortjoin = "JOIN {cohort_members} cm ON (cm.userid = u.id AND cm.cohortid = :cohortid)";
$params['cohortid'] = $cohortid;
$sourcejoin = "";
if (is_int($source)) {
$sourcejoin .= "JOIN {cohort_members} cm ON (cm.userid = u.id AND cm.cohortid = :cohortid) ";
$params['cohortid'] = $source;
} else {
$cohortjoin = "";
// Auto-create groups from an existing cohort membership.
if (isset($source['cohortid'])) {
$sourcejoin .= "JOIN {cohort_members} cm ON (cm.userid = u.id AND cm.cohortid = :cohortid) ";
$params['cohortid'] = $source['cohortid'];
}
// Auto-create groups from an existing group membership.
if (isset($source['groupid'])) {
$sourcejoin .= "JOIN {groups_members} gp ON (gp.userid = u.id AND gp.groupid = :groupid) ";
$params['groupid'] = $source['groupid'];
}
// Auto-create groups from an existing grouping membership.
if (isset($source['groupingid'])) {
$sourcejoin .= "JOIN {groupings_groups} gg ON gg.groupingid = :groupingid ";
$sourcejoin .= "JOIN {groups_members} gm ON (gm.userid = u.id AND gm.groupid = gg.groupid) ";
$params['groupingid'] = $source['groupingid'];
}
}
$allusernamefields = get_all_user_name_fields(true, 'u');
$sql = "SELECT u.id, u.username, $allusernamefields, u.idnumber
$sql = "SELECT DISTINCT u.id, u.username, $allusernamefields, u.idnumber
FROM {user} u
JOIN ($esql) e ON e.id = u.id
$cohortjoin
$sourcejoin
$where
ORDER BY $orderby";