course)) { error("Could not find this course!"); } if (! $cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) { $cm->id = 0; } require_login($course->id); if (!isteacher($course->id)) { error("This page is for teachers only"); } unset($SESSION->fromdiscussion); add_to_log($course->id, "forum", "view subscribers", "subscribers.php?id=$forum->id", $forum->id, $cm->id); if (isset($_GET['edit'])) { if($edit == "on") { $USER->subscriptionsediting = true; } else { $USER->subscriptionsediting = false; } } $strsubscribeall = get_string("subscribeall", "forum"); $strsubscribenone = get_string("subscribenone", "forum"); $strsubscribers = get_string("subscribers", "forum"); $strforums = get_string("forums", "forum"); $navigation = "id\">$strforums -> id\">$forum->name -> $strsubscribers"; print_header_simple("$strsubscribers", "", "$navigation", "", "", true, forum_update_subscriptions_button($course->id, $id)); /// Check to see if groups are being used in this forum if ($groupmode = groupmode($course, $cm)) { // Groups are being used $currentgroup = setup_and_print_groups($course, $groupmode, "subscribers.php?id=$forum->id"); } else { $currentgroup = false; } if (empty($USER->subscriptionsediting)) { /// Display an overview of subscribers if (! $users = forum_subscribed_users($course, $forum, $currentgroup) ) { print_heading(get_string("nosubscribers", "forum")); } else { print_heading(get_string("subscribersto","forum", "'$forum->name'")); echo ''; foreach ($users as $user) { echo ""; } echo "

"; print_user_picture($user->id, $course->id, $user->picture); echo "

cellcontent\">"; echo fullname($user); echo "

cellcontent\">"; echo "$user->email"; echo "

"; } print_footer($course); exit; } /// We are in editing mode. $strexistingsubscribers = get_string("existingsubscribers", 'forum'); $strpotentialsubscribers = get_string("potentialsubscribers", 'forum'); $straddsubscriber = get_string("addsubscriber", 'forum'); $strremovesubscriber = get_string("removesubscriber", 'forum'); $strsearch = get_string("search"); $strsearchresults = get_string("searchresults"); $strshowall = get_string("showall"); $strsubscribers = get_string("subscribers", "forum"); $strforums = get_string("forums", "forum"); if ($frm = data_submitted()) { /// A form was submitted so process the input if (!empty($frm->add) and !empty($frm->addselect)) { foreach ($frm->addselect as $addsubscriber) { if (! forum_subscribe($addsubscriber, $id)) { error("Could not add subscriber with id $addsubscriber to this forum!"); } } } else if (!empty($frm->remove) and !empty($frm->removeselect)) { foreach ($frm->removeselect as $removesubscriber) { if (! forum_unsubscribe($removesubscriber, $id)) { error("Could not remove subscriber with id $removesubscriber from this forum!"); } } } else if (!empty($frm->showall)) { unset($frm->searchtext); $frm->previoussearch = 0; } } $previoussearch = (!empty($frm->search) or ($frm->previoussearch == 1)) ; /// Get all existing subscribers for this forum. if (!$subscribers = forum_subscribed_users($course, $forum, $currentgroup)) { $subscribers = array(); } $subscriberarray = array(); foreach ($subscribers as $subscriber) { $subscriberarray[] = $subscriber->id; } $subscriberlist = implode(',', $subscriberarray); unset($subscriberarray); /// Get search results excluding any users already subscribed if (!empty($frm->searchtext) and $previoussearch) { $searchusers = search_users($course->id, $currentgroup, $frm->searchtext, 'firstname ASC, lastname ASC', $subscriberlist); } /// If no search results then get potential subscribers for this forum excluding users already subscribed if (empty($searchusers)) { if ($currentgroup) { $users = get_group_users($currentgroup, 'firstname ASC, lastname ASC', $subscriberlist); } else { $users = get_course_users($course->id, 'firstname ASC, lastname ASC', $subscriberlist); } if (!$users) { $users = array(); } } $searchtext = (isset($frm->searchtext)) ? $frm->searchtext : ""; $previoussearch = ($previoussearch) ? '1' : '0'; print_simple_box_start("center", "", "$THEME->cellheading"); include('subscriber.html'); print_simple_box_end(); print_footer(); ?>