mirror of
https://github.com/moodle/moodle.git
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292 lines
11 KiB
PHP
292 lines
11 KiB
PHP
<?PHP // $Id$
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require_once("../../config.php");
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require_once("lib.php");
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require_variable($id); // forum
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optional_variable($subscribe, ''); // 'all' or 'none'
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optional_variable($unsubscribe, ''); // a single user id
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optional_variable($group); // change of group
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optional_variable($edit); // Turn editing on and off
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if (! $forum = get_record("forum", "id", $id)) {
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error("Forum ID is incorrect");
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}
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if (! $course = get_record("course", "id", $forum->course)) {
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error("Could not find this course!");
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}
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if (! $cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
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$cm->id = 0;
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}
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require_login($course->id);
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if (!isteacher($course->id)) {
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error("This page is for teachers only");
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}
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unset($SESSION->fromdiscussion);
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add_to_log($course->id, "forum", "view subscribers", "subscribers.php?id=$forum->id", $forum->id, $cm->id);
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if (isteacheredit($course->id)) {
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if (isset($_GET['edit'])) {
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if($edit == "on") {
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$USER->subscriptionsediting = true;
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} else {
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$USER->subscriptionsediting = false;
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}
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}
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} else {
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$USER->subscriptionsediting = false;
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}
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$strunsubscribeshort = get_string("unsubscribeshort", "forum");
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$strsubscribeall = get_string("subscribeall", "forum");
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$strsubscribenone = get_string("subscribenone", "forum");
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$strsubscribers = get_string("subscribers", "forum");
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$strforums = get_string("forums", "forum");
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if ($course->category) {
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$navigation = "<a href=\"../../course/view.php?id=$course->id\">$course->shortname</a> ->
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<a href=\"index.php?id=$course->id\">$strforums</a> ->
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<a href=\"view.php?f=$forum->id\">$forum->name</a> -> $strsubscribers";
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} else {
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$navigation = "<a href=\"index.php?id=$course->id\">$strforums</a> ->
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<a href=\"view.php?f=$forum->id\">$forum->name</a> -> $strsubscribers";
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}
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print_header("$course->shortname: $strsubscribers", "$course->fullname", "$navigation",
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"", "", true, forum_update_subscriptions_button($course->id, $id));
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if (empty($USER->subscriptionsediting)) { /// Display an overview of subscribers
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/// Check to see if groups are being used in this forum
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if ($groupmode = groupmode($course, $cm)) { // Groups are being used
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$currentgroup = setup_and_print_groups($course, $groupmode, "subscribers.php?id=$forum->id");
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} else {
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$currentgroup = false;
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}
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if ($subscribe == 'all') {
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if ($forum->type == 'teacher') {
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$users = get_course_teachers($course->id);
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} elseif ($currentgroup) {
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$users = get_group_users($currentgroup);
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} else {
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$users = get_course_users($course->id);
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}
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if ($users) {
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foreach ($users as $user) {
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forum_subscribe($user->id, $forum->id);
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}
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}
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} else if ($subscribe == 'none') {
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if ($currentgroup) {
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if ($users = get_group_users($currentgroup)) {
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foreach ($users as $user) {
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forum_unsubscribe($user->id, $forum->id);
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}
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}
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} else {
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delete_records("forum_subscriptions", "forum", $forum->id);
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}
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}
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if ($unsubscribe) {
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if ($user = get_record('user', 'id', $unsubscribe)) {
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forum_unsubscribe($user->id, $forum->id);
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$info->name = fullname($user);
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$info->forum = $forum->name;
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notify(get_string("nownotsubscribed", "forum", $info));
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}
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}
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if (! $users = forum_subscribed_users($course, $forum, $currentgroup) ) {
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if (!$forum->forcesubscribe) {
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echo '<center>';
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$options['id'] = $forum->id;
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$options['subscribe'] = 'all';
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print_single_button('subscribers.php', $options, $strsubscribeall);
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echo '</center>';
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}
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print_heading(get_string("nosubscribers", "forum"));
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} else {
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if (!$forum->forcesubscribe) {
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echo '<table align="center"><tr>';
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echo '<td>';
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$options['id'] = $forum->id;
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$options['subscribe'] = 'all';
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print_single_button('subscribers.php', $options, $strsubscribeall);
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echo '</td>';
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echo '<td>';
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$options['subscribe'] = 'none';
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print_single_button('subscribers.php', $options, $strsubscribenone);
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echo '</td>';
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echo '</tr></table>';
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}
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print_heading(get_string("subscribersto","forum", "'$forum->name'"));
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echo '<table align="center" cellpadding="5" cellspacing="5">';
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foreach ($users as $user) {
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echo "<tr><td>";
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print_user_picture($user->id, $course->id, $user->picture);
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echo "</td><td bgcolor=\"$THEME->cellcontent\">";
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echo "$user->firstname $user->lastname";
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echo "</td><td bgcolor=\"$THEME->cellcontent\">";
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echo "$user->email";
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echo "</td><td>";
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echo "<font size=1><a href=\"subscribers.php?id=$forum->id&unsubscribe=$user->id\">$strunsubscribeshort</a></font>";
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echo "</td></tr>";
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}
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echo "</table>";
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}
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print_footer($course);
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exit;
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}
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/// We are in editing mode.
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if (!isteacheredit($course->id)) {
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error("You must be an editing teacher in this course, or an admin");
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}
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$strexistingsubscribers = get_string("existingsubscribers", 'forum');
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$strpotentialsubscribers = get_string("potentialsubscribers", 'forum');
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$straddsubscriber = get_string("addsubscriber", 'forum');
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$strremovesubscriber = get_string("removesubscriber", 'forum');
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$strsearch = get_string("search");
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$strsearchresults = get_string("searchresults");
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$strshowall = get_string("showall");
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$strsubscribers = get_string("subscribers", "forum");
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$strforums = get_string("forums", "forum");
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if ($frm = data_submitted()) {
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/// A form was submitted so process the input
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if (!empty($frm->add) and !empty($frm->addselect)) {
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foreach ($frm->addselect as $addsubscriber) {
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if (! forum_subscribe($addsubscriber, $id)) {
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error("Could not add subscriber with id $addsubscriber to this forum!");
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}
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}
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} else if (!empty($frm->remove) and !empty($frm->removeselect)) {
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foreach ($frm->removeselect as $removesubscriber) {
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if (! forum_unsubscribe($removesubscriber, $id)) {
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error("Could not remove subscriber with id $removesubscriber from this forum!");
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}
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}
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} else if (!empty($frm->showall)) {
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unset($frm->searchtext);
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$frm->previoussearch = 0;
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}
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}
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$previoussearch = (!empty($frm->search) or ($frm->previoussearch == 1)) ;
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/// Get all existing subscribers for this forum.
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if (!$subscribers = forum_subscribed_users($course, $forum)) {
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$subscribers = array();
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}
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$subscriberarray = array();
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foreach ($subscribers as $subscriber) {
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$subscriberarray[] = $subscriber->id;
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}
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$subscriberlist = implode(',', $subscriberarray);
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unset($subscriberarray);
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/// Get search results excluding any users already subscribed
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switch ($CFG->dbtype) {
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case "mysql":
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$fullname = " CONCAT(u.firstname,\" \",u.lastname) ";
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$LIKE = "LIKE";
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break;
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case "postgres7":
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$fullname = " u.firstname||' '||u.lastname ";
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$LIKE = "ILIKE";
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break;
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default:
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$fullname = " u.firstname||\" \"||u.lastname ";
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$LIKE = "ILIKE";
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}
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if (!empty($subscriberlist)) {
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$except = " AND u.id NOT IN ($subscriberlist) ";
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} else {
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$except = '';
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}
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if (!empty($frm->searchtext) and $previoussearch) {
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$searchusers = get_records_sql("SELECT u.id, u.firstname, u.lastname, u.email
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FROM {$CFG->prefix}user u,
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{$CFG->prefix}user_students s
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WHERE s.course = '$course->id' AND s.userid = u.id AND u.deleted = '0'
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AND ($fullname $LIKE '%$frm->searchtext%' OR u.email $LIKE '%$frm->searchtext%')
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$except
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UNION
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SELECT u.id, u.firstname, u.lastname, u.email
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FROM {$CFG->prefix}user u,
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{$CFG->prefix}user_teachers s
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WHERE s.course = '$course->id' AND s.userid = u.id AND u.deleted = '0'
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AND ($fullname $LIKE '%$frm->searchtext%' OR u.email $LIKE '%$frm->searchtext%')
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$except
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ORDER BY u.firstname ASC, u.lastname ASC");
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$usercount = count_records_sql("SELECT COUNT(*)
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FROM {$CFG->prefix}user u,
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{$CFG->prefix}user_students s
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WHERE s.course = '$course->id' AND s.userid = u.id AND u.deleted = '0'
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$except") +
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count_records_sql("SELECT COUNT(*)
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FROM {$CFG->prefix}user u,
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{$CFG->prefix}user_teachers s
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WHERE s.course = '$course->id' AND s.userid = u.id AND u.deleted = '0'
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$except");
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}
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/// If no search results then get potential subscribers for this forum excluding users already subscribed
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if (empty($searchusers)) {
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if (!$users = get_records_sql("SELECT u.id, u.firstname, u.lastname, u.email
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FROM {$CFG->prefix}user u,
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{$CFG->prefix}user_students s
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WHERE s.course = '$course->id' AND s.userid = u.id AND u.deleted = '0'
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$except
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UNION
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SELECT u.id, u.firstname, u.lastname, u.email
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FROM {$CFG->prefix}user u,
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{$CFG->prefix}user_teachers s
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WHERE s.course = '$course->id' AND s.userid = u.id AND u.deleted = '0'
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$except
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ORDER BY u.firstname ASC, u.lastname ASC")) {
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$users = array();
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}
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$usercount = count($users);
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}
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$searchtext = (isset($frm->searchtext)) ? $frm->searchtext : "";
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$previoussearch = ($previoussearch) ? '1' : '0';
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print_simple_box_start("center", "", "$THEME->cellheading");
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include('subscriber.html');
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print_simple_box_end();
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print_footer();
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?>
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