This now implements the new rule on who is a site student, see http://moodle.org/mod/forum/discuss.php?d=8452#56743

This commit is contained in:
gustav_delius
2004-08-30 16:42:32 +00:00
parent 4e65d23fd1
commit 30bc2fa671
3 changed files with 117 additions and 179 deletions
+54 -125
View File
@@ -35,7 +35,7 @@ function execute_sql($command, $feedback=true) {
/**
* Run an arbitrary sequence of semicolon-delimited SQL commands
*
* Assumes that the input text (file or string consists of
* Assumes that the input text (file or string) consists of
* a number of SQL statements ENDING WITH SEMICOLONS. The
* semicolons MUST be the last character in a line.
* Lines that are blank or that start with "#" are ignored.
@@ -48,7 +48,7 @@ function modify_database($sqlfile="", $sqlstring="") {
global $CFG;
$success = true; // Let's be optimistic :-)
$success = true; // Let's be optimistic
if (!empty($sqlfile)) {
if (!is_readable($sqlfile)) {
@@ -1156,6 +1156,27 @@ function get_course_students($courseid, $sort="s.timeaccess", $dir="", $page=0,
$firstinitial="", $lastinitial="", $group=NULL, $search="", $fields='', $exceptions='') {
global $CFG;
if ($courseid == SITEID and $CFG->allusersaresitestudents) {
// return users with confirmed, undeleted accounts who are not site teachers
// the following is a mess because of different conventions in the different user functions
$sort = str_replace('s.timeaccess', 'lastaccess', $sort); // site users can't be sorted by timeaccess
$sort = str_replace('timeaccess', 'lastaccess', $sort); // site users can't be sorted by timeaccess
$sort = str_replace('u.', '', $sort); // the get_user function doesn't use the u. prefix to fields
$fields = str_replace('u.', '', $fields);
if ($sort) {
$sort = "$sort $dir";
}
// Now we have to make sure site teachers are excluded
if ($teachers = get_records('user_teachers', 'course', SITEID)) {
foreach ($teachers as $teacher) {
$exceptions .= ",$teacher->userid";
}
$exceptions = ltrim($exceptions, ',');
}
return get_users(true, $search, true, $exceptions, $sort, $firstinitial, $lastinitial,
$page, $recordsperpage, $fields ? $fields : '*');
}
switch ($CFG->dbtype) {
case "mysql":
@@ -1178,8 +1199,7 @@ function get_course_students($courseid, $sort="s.timeaccess", $dir="", $page=0,
// make sure it works on the site course
$select = "s.course = '$courseid' AND ";
$site = get_site();
if ($courseid == $site->id) {
if ($courseid == SITEID) {
$select = '';
}
@@ -1231,8 +1251,14 @@ function get_course_students($courseid, $sort="s.timeaccess", $dir="", $page=0,
}
// We are here because we need the students for the site.
// These also include teachers on real courses
$select .= "AND s.course <> '".SITEID."'";
// These also include teachers on real courses minus those on the site
if ($teachers = get_records('user_teachers', 'course', SITEID)) {
foreach ($teachers as $teacher) {
$exceptions .= ",$teacher->userid";
}
$exceptions = ltrim($exceptions, ',');
$select .= " AND u.id NOT IN ($exceptions)";
}
if (!$teachers = get_records_sql("SELECT $fields
FROM {$CFG->prefix}user u,
{$CFG->prefix}user_teachers s
@@ -1253,52 +1279,10 @@ function get_course_students($courseid, $sort="s.timeaccess", $dir="", $page=0,
*/
function count_course_students($course, $search="", $firstinitial="", $lastinitial="", $group=NULL, $exceptions='') {
global $CFG;
if (!$course->category) {
return count(get_site_users($sort, '', $exceptions));
if ($students = get_course_students($course->id, '', '', 0, 999999, $firstinitial, $lastinitial, $group, $search, '', $exceptions)) {
return count($students);
}
switch ($CFG->dbtype) {
case "mysql":
$fullname = " CONCAT(firstname,\" \",lastname) ";
$LIKE = "LIKE";
break;
default:
$fullname = " firstname||\' \'||lastname ";
$LIKE = "ILIKE";
}
$groupmembers = "";
$select = "s.course = '$course->id' AND s.userid = u.id AND u.deleted = '0'";
if ($search) {
$search = " AND ($fullname $LIKE '%$search%' OR email $LIKE '%$search%') ";
}
if ($firstinitial) {
$select .= " AND u.firstname $LIKE '$firstinitial%'";
}
if ($lastinitial) {
$select .= " AND u.lastname $LIKE '$lastinitial%'";
}
if ($group === 0) { /// Need something here to get all students not in a group
return 0;
} else if ($group !== NULL) {
$groupmembers = ", {$CFG->prefix}groups_members gm ";
$select .= " AND u.id = gm.userid AND gm.groupid = '$group'";
}
if (!empty($exceptions)) {
$select .= " AND u.id NOT IN ($exceptions)";
}
return count_records_sql("SELECT COUNT(*)
FROM {$CFG->prefix}user u,
{$CFG->prefix}user_students s $groupmembers
WHERE $select");
return 0;
}
@@ -1323,7 +1307,8 @@ function get_course_teachers($courseid, $sort="t.authority ASC", $exceptions='')
u.emailstop, t.authority,t.role,t.editall,t.timeaccess as lastaccess
FROM {$CFG->prefix}user u,
{$CFG->prefix}user_teachers t
WHERE t.course = '$courseid' AND t.userid = u.id AND u.deleted = '0' $except
WHERE t.course = '$courseid' AND t.userid = u.id
AND u.deleted = '0' AND u.confirmed = '1' $except
ORDER BY $sort");
}
@@ -1347,18 +1332,12 @@ function get_course_users($courseid, $sort="timeaccess DESC", $exceptions='') {
return $teachers + $students;
// This is too inefficient on large sites.
// return get_records_sql("SELECT DISTINCT u.*
// FROM mdl_user u
// LEFT JOIN mdl_user_students s ON s.course = '$courseid'
// LEFT JOIN mdl_user_teachers t ON t.course = '$courseid'
// WHERE (u.id = t.userid OR u.id = s.userid)
// ORDER BY $sort");
}
/**
* Search through course users
* If used for the site course searches through all undeleted, confirmed users
*
* @param type description
*/
@@ -1384,55 +1363,35 @@ function search_users($courseid, $groupid, $searchtext, $sort='', $exceptions=''
} else {
$except = '';
}
if (!empty($sort)) {
$order = " ORDER by $sort";
} else {
$order = '';
}
$site = get_site();
if (!$courseid or $courseid == $site->id) {
if (!$admins = get_records_sql("SELECT u.id, u.firstname, u.lastname, u.email
FROM {$CFG->prefix}user u,
{$CFG->prefix}user_admins s
WHERE s.userid = u.id AND u.deleted = '0'
$select = "u.deleted = '0' AND u.confirmed = '1'";
if (!$courseid or $courseid == SITEID) {
return $admins = get_records_sql("SELECT u.id, u.firstname, u.lastname, u.email
FROM {$CFG->prefix}user u
WHERE $select
AND ($fullname $LIKE '%$searchtext%' OR u.email $LIKE '%$searchtext%')
$except $order")) {
$admins = array();
}
if (!$teachers = get_records_sql("SELECT u.id, u.firstname, u.lastname, u.email
FROM {$CFG->prefix}user u,
{$CFG->prefix}user_teachers s
WHERE s.userid = u.id AND u.deleted = '0'
AND ($fullname $LIKE '%$searchtext%' OR u.email $LIKE '%$searchtext%')
$except $order")) {
$teachers = array();
}
if (!$students = get_records_sql("SELECT u.id, u.firstname, u.lastname, u.email
FROM {$CFG->prefix}user u,
{$CFG->prefix}user_students s
WHERE s.userid = u.id AND u.deleted = '0'
AND ($fullname $LIKE '%$searchtext%' OR u.email $LIKE '%$searchtext%')
$except $order")) {
$students = array();
}
return $admins + $teachers + $students;
$except $order");
} else {
if ($groupid) {
return get_records_sql("SELECT u.id, u.firstname, u.lastname, u.email
FROM {$CFG->prefix}user u,
{$CFG->prefix}groups_members g
WHERE g.groupid = '$groupid' AND g.userid = u.id AND u.deleted = '0'
WHERE $select AND g.groupid = '$groupid' AND g.userid = u.id
AND ($fullname $LIKE '%$searchtext%' OR u.email $LIKE '%$searchtext%')
$except $order");
} else {
if (!$teachers = get_records_sql("SELECT u.id, u.firstname, u.lastname, u.email
FROM {$CFG->prefix}user u,
{$CFG->prefix}user_teachers s
WHERE s.course = '$courseid' AND s.userid = u.id AND u.deleted = '0'
WHERE $select AND s.course = '$courseid' AND s.userid = u.id
AND ($fullname $LIKE '%$searchtext%' OR u.email $LIKE '%$searchtext%')
$except $order")) {
$teachers = array();
@@ -1440,7 +1399,7 @@ function search_users($courseid, $groupid, $searchtext, $sort='', $exceptions=''
if (!$students = get_records_sql("SELECT u.id, u.firstname, u.lastname, u.email
FROM {$CFG->prefix}user u,
{$CFG->prefix}user_students s
WHERE s.course = '$courseid' AND s.userid = u.id AND u.deleted = '0'
WHERE $select AND s.course = '$courseid' AND s.userid = u.id
AND ($fullname $LIKE '%$searchtext%' OR u.email $LIKE '%$searchtext%')
$except $order")) {
$students = array();
@@ -1450,46 +1409,16 @@ function search_users($courseid, $groupid, $searchtext, $sort='', $exceptions=''
}
}
/**
* Returns a list of all active users who are enrolled
*
* or teaching in courses on this server
* Returns a list of all site users
* Obsolete, just calls get_course_users(SITEID)
*
* @param type description
*/
function get_site_users($sort="u.lastaccess DESC", $select="", $exceptions='') {
global $CFG;
if (!empty($exceptions)) {
$except = " AND u.id NOT IN ($exceptions) ";
} else {
$except = '';
}
if ($select) {
$selectinfo = $select;
} else {
$selectinfo = "u.id, u.username, u.firstname, u.lastname, u.maildisplay, u.mailformat, u.maildigest,".
"u.email, u.emailstop, u.city, u.country, u.lastaccess, u.lastlogin, u.picture, u.lang, u.timezone";
}
if (!$students = get_records_sql("SELECT DISTINCT $selectinfo from {$CFG->prefix}user u, {$CFG->prefix}user_students s
WHERE s.userid = u.id $except ORDER BY $sort")) {
$students = array();
}
if (!$teachers = get_records_sql("SELECT DISTINCT $selectinfo from {$CFG->prefix}user u, {$CFG->prefix}user_teachers t
WHERE t.userid = u.id $except ORDER BY $sort")) {
$teachers = array();
}
if (!$admins = get_records_sql("SELECT DISTINCT $selectinfo from {$CFG->prefix}user u, {$CFG->prefix}user_admins a
WHERE a.userid = u.id $except ORDER BY $sort")) {
$admins = array();
}
return $admins + $teachers + $students;
return get_course_users(SITEID, $sort, '', 0, 999999, '', '', NULL, '', $select, $exceptions);
}