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69d79bc31f
Logs now include a field called modid which contains the coursemodule id. This makes it now possible to - see complete logs per-activity - do backup/restore of logs The upgrade process will currently try to scan all the old logs and rebuild this field based on available data (especially forums). STILL TO DO: alter all the non-forum modules to send the coursemodule id
94 lines
3.1 KiB
PHP
94 lines
3.1 KiB
PHP
<?PHP // $Id$
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// Subscribe to or unsubscribe from a forum.
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require_once("../../config.php");
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require_once("lib.php");
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require_variable($id); // The forum to subscribe or unsubscribe to
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optional_variable($force); // Force everyone to be subscribed to this forum?
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optional_variable($user); // Force everyone to be subscribed to this forum?
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if (isguest()) {
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error("Guests are not allowed to subscribe to posts.", $_SERVER["HTTP_REFERER"]);
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}
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if (! $forum = get_record("forum", "id", $id)) {
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error("Forum ID was incorrect");
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}
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if (! $course = get_record("course", "id", $forum->course)) {
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error("Forum doesn't belong to a course!");
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}
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if ($user) {
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if (!isteacher($course->id)) {
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error("Only teachers can subscribe/unsubscribe other people!");
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}
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if (! $user = get_record("user", "id", $user)) {
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error("User ID was incorrect");
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}
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} else {
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$user = $USER;
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}
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if ($course->category) {
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require_login($forum->course);
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} else {
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require_login();
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}
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if ($forum->type == "teacher") {
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if (!isteacher($course->id)) {
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error("You must be a $course->teacher to subscribe to this forum");
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}
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}
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if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
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if (groupmode($course, $cm) and !isteacheredit($course->id)) { // Make sure user is allowed
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if (! mygroupid($course->id)) {
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error("Sorry, but you must be a group member to subscribe.");
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}
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}
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} else {
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$cm->id = NULL;
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}
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$returnto = forum_go_back_to("index.php?id=$course->id");
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if ($force and isteacher($course->id)) {
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if (forum_is_forcesubscribed($forum->id)) {
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forum_forcesubscribe($forum->id, 0);
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redirect($returnto, get_string("everyonecanchoose", "forum"), 1);
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} else {
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forum_forcesubscribe($forum->id, 1);
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redirect($returnto, get_string("everyoneissubscribed", "forum"), 1);
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}
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}
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if (forum_is_forcesubscribed($forum->id)) {
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redirect($returnto, get_string("everyoneissubscribed", "forum"), 1);
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}
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$info->name = "$user->firstname $user->lastname";
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$info->forum = $forum->name;
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if ( forum_is_subscribed($user->id, $forum->id) ) {
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if (forum_unsubscribe($user->id, $forum->id) ) {
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add_to_log($course->id, "forum", "unsubscribe", "view.php?f=$forum->id", $forum->id, $cm->id);
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redirect($returnto, get_string("nownotsubscribed", "forum", $info), 1);
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} else {
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error("Could not unsubscribe you from that forum", $_SERVER["HTTP_REFERER"]);
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}
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} else { // subscribe
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if (forum_subscribe($user->id, $forum->id) ) {
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add_to_log($course->id, "forum", "subscribe", "view.php?f=$forum->id", $forum->id, $cm->id);
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redirect($returnto, get_string("nowsubscribed", "forum", $info), 1);
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} else {
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error("Could not subscribe you to that forum", $_SERVER["HTTP_REFERER"]);
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}
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}
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?>
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