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, false, $cm); $context = get_context_instance(CONTEXT_MODULE, $cm->id); if (!has_capability('mod/forum:viewsubscribers', $context)) { error('You do not have the permission to view forum subscribers'); } unset($SESSION->fromdiscussion); add_to_log($course->id, "forum", "view subscribers", "subscribers.php?id=$forum->id", $forum->id, $cm->id); $strsubscribeall = get_string("subscribeall", "forum"); $strsubscribenone = get_string("subscribenone", "forum"); $strsubscribers = get_string("subscribers", "forum"); $strforums = get_string("forums", "forum"); $navigation = build_navigation($strsubscribers, $cm); if (has_capability('mod/forum:managesubscriptions', $context)) { print_header_simple("$strsubscribers", "", $navigation, "", "", true, forum_update_subscriptions_button($course->id, $id)); if ($edit != -1) { $USER->subscriptionsediting = $edit; } } else { print_header_simple("$strsubscribers", "", $navigation, "", "", true, ''); unset($USER->subscriptionsediting); } /// Check to see if groups are being used in this forum groups_print_activity_menu($cm, $CFG->wwwroot . "/mod/forum/subscribers.php?id=$forum->id"); $currentgroup = groups_get_activity_group($cm); $groupmode = groups_get_activity_groupmode($cm); if (empty($USER->subscriptionsediting)) { /// Display an overview of subscribers if (! $users = forum_subscribed_users($course, $forum, $currentgroup, $context) ) { print_heading(get_string("nosubscribers", "forum")); } else { print_heading(get_string("subscribersto","forum", "'".format_string($forum->name)."'")); echo ''; foreach ($users as $user) { echo ''; } echo "

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

'; echo fullname($user); echo '

'; 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"); $searchtext = optional_param('searchtext', '', PARAM_RAW); if ($frm = data_submitted() and confirm_sesskey()) { /// 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)) { $searchtext = ''; } } /// Get all existing subscribers for this forum. if (!$subscribers = forum_subscribed_users($course, $forum, $currentgroup, $context)) { $subscribers = array(); } /// Get all the potential subscribers excluding users already subscribed $users = forum_get_potential_subscribers($context, $currentgroup, 'id,email,firstname,lastname', 'firstname ASC, lastname ASC'); if (!$users) { $users = array(); } foreach ($subscribers as $subscriber) { unset($users[$subscriber->id]); } /// This is yucky, but do the search in PHP, becuase the list we are using comes from get_users_by_capability, /// which does not allow searching in the database. Fortunately the list is only this list of users in this /// course, which is normally OK, except on the site course of a big site. But before you can enter a search /// term, you have already seen a page that lists everyone, since this code never does paging, so you have probably /// already crashed your server if you are going to. This will be fixed properly for Moodle 2.0: MDL-17550. if ($searchtext) { $searchusers = array(); $lcsearchtext = moodle_strtolower($searchtext); foreach ($users as $userid => $user) { if (strpos(moodle_strtolower($user->email), $lcsearchtext) !== false || strpos(moodle_strtolower($user->firstname . ' ' . $user->lastname), $lcsearchtext) !== false) { $searchusers[$userid] = $user; } unset($users[$userid]); } } print_simple_box_start('center'); include('subscriber.html'); print_simple_box_end(); print_footer($course); ?>