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Merge branch 'MDL-43176' of https://github.com/NeillM/moodle

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Eloy Lafuente (stronk7) 2017-09-19 23:10:31 +02:00
commit 186a8c1572
1 changed files with 35 additions and 13 deletions
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48
enrol/meta/locallib.php
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@ -407,21 +407,43 @@ function enrol_meta_sync($courseid = NULL, $verbose = false) {
$onecourse = $courseid ? "AND e.courseid = :courseid" : "";
list($enabled, $params) = $DB->get_in_or_equal(explode(',', $CFG->enrol_plugins_enabled), SQL_PARAMS_NAMED, 'e');
$params['courseid'] = $courseid;
$sql = "SELECT ue.userid, ue.enrolid, pue.pstatus, pue.ptimestart, pue.ptimeend
// The query builds a a list of all the non-meta enrolments that are on courses (the children) that are linked to by a meta
// enrolment, it then groups them by the course that linked to them (the parents).
//
// It will only return results where the there is a difference between the status of the parent and the lowest status
// of the children (remember that 0 is active, any other status is some form of inactive), or the time the earliest non-zero
// start time of a child is different to the parent, or the longest effective end date has changed.
//
// The last two case statements in the HAVING clause are designed to ignore any inactive child records when calculating
// the start and end time.
$sql = "SELECT ue.userid, ue.enrolid,
MIN(xpue.status + xpe.status) AS pstatus,
MIN(CASE WHEN (xpue.status + xpe.status = 0) THEN xpue.timestart ELSE 9999999999 END) AS ptimestart,
MAX(CASE WHEN (xpue.status + xpe.status = 0) THEN
(CASE WHEN xpue.timeend = 0 THEN 9999999999 ELSE xpue.timeend END)
ELSE 0 END) AS ptimeend
FROM {user_enrolments} ue
JOIN {enrol} e ON (e.id = ue.enrolid AND e.enrol = 'meta' $onecourse)
JOIN (SELECT xpue.userid, xpe.courseid, MIN(xpue.status + xpe.status) AS pstatus,
MIN(CASE WHEN (xpue.status + xpe.status = 0) THEN xpue.timestart ELSE 9999999999 END) AS ptimestart,
MAX(CASE WHEN (xpue.status + xpe.status = 0) THEN
(CASE WHEN xpue.timeend = 0 THEN 9999999999 ELSE xpue.timeend END)
ELSE 0 END) AS ptimeend
FROM {user_enrolments} xpue
JOIN {enrol} xpe ON (xpe.id = xpue.enrolid AND xpe.enrol <> 'meta' AND xpe.enrol $enabled)
GROUP BY xpue.userid, xpe.courseid
) pue ON (pue.courseid = e.customint1 AND pue.userid = ue.userid)
WHERE (pue.pstatus = 0 AND ue.status > 0) OR (pue.pstatus > 0 and ue.status = 0)
OR ((CASE WHEN pue.ptimestart = 9999999999 THEN 0 ELSE pue.ptimestart END) <> ue.timestart)
OR ((CASE WHEN pue.ptimeend = 9999999999 THEN 0 ELSE pue.ptimeend END) <> ue.timeend)";
JOIN {user_enrolments} xpue ON (xpue.userid = ue.userid)
JOIN {enrol} xpe ON (xpe.id = xpue.enrolid AND xpe.enrol <> 'meta'
AND xpe.enrol $enabled AND xpe.courseid = e.customint1)
GROUP BY ue.userid, ue.enrolid
HAVING (MIN(xpue.status + xpe.status) = 0 AND MIN(ue.status) > 0)
OR (MIN(xpue.status + xpe.status) > 0 AND MIN(ue.status) = 0)
OR ((CASE WHEN
MIN(CASE WHEN (xpue.status + xpe.status = 0) THEN xpue.timestart ELSE 9999999999 END) = 9999999999
THEN 0
ELSE
MIN(CASE WHEN (xpue.status + xpe.status = 0) THEN xpue.timestart ELSE 9999999999 END)
END) <> MIN(ue.timestart))
OR ((CASE
WHEN MAX(CASE WHEN (xpue.status + xpe.status = 0)
THEN (CASE WHEN xpue.timeend = 0 THEN 9999999999 ELSE xpue.timeend END)
ELSE 0 END) = 9999999999
THEN 0 ELSE MAX(CASE WHEN (xpue.status + xpe.status = 0)
THEN (CASE WHEN xpue.timeend = 0 THEN 9999999999 ELSE xpue.timeend END)
ELSE 0 END)
END) <> MAX(ue.timeend))";
$rs = $DB->get_recordset_sql($sql, $params);
foreach($rs as $ue) {
if (!isset($instances[$ue->enrolid])) {