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<?php // $Id$
require_once("../../config.php");
require_once("lib.php");
require_once("$CFG->dirroot/rss/rsslib.php");
optional_variable($id); // course
if ($id) {
if (! $course = get_record("course", "id", $id)) {
error("Course ID is incorrect");
}
} else {
if (! $course = get_site()) {
error("Could not find a top-level course!");
}
}
if ($CFG->forcelogin) {
require_login();
}
if ($course->category) {
require_login($course->id);
}
$currentgroup = get_current_group($course->id);
unset($SESSION->fromdiscussion);
add_to_log($course->id, "forum", "view forums", "index.php?id=$course->id");
$strforums = get_string("forums", "forum");
$strforum = get_string("forum", "forum");
$strdescription = get_string("description");
$strdiscussions = get_string("discussions", "forum");
$strsubscribed = get_string("subscribed", "forum");
$strrss = get_string("rss");
$searchform = forum_print_search_form($course, "", true, "plain");
// Start of the table for General Forums
$generaltable->head = array ($strforum, $strdescription, $strdiscussions);
$generaltable->align = array ("left", "left", "center");
if ($can_subscribe = (isstudent($course->id) or isteacher($course->id) or isadmin())) {
$generaltable->head[] = $strsubscribed;
$generaltable->align[] = "center";
}
if ($show_rss = (($can_subscribe || $course->id == SITEID) &&
isset($CFG->enablerssfeeds) && isset($CFG->forum_enablerssfeeds) &&
$CFG->enablerssfeeds && $CFG->forum_enablerssfeeds)) {
$generaltable->head[] = $strrss;
$generaltable->align[] = "center";
}
// Parse and organise all the forums. Most forums are course modules but
// some special ones are not. These get placed in the general forums
// category with the forums in section 0.
$generalforums = array(); // For now
$learningforums = get_all_instances_in_course("forum", $course);
if ($forums = get_records("forum", "course", $id, "name ASC")) { // All known forums
if ($learningforums) { // Copy "full" data into this complete array
foreach ($learningforums as $key => $learningforum) {
$learningforum->keyreference = $key;
$forums[$learningforum->id] = $learningforum;
}
}
foreach ($forums as $forum) {
if (!isset($forum->visible)) {
$forum->visible = instance_is_visible("forum", $forum);
if (!$forum->visible and !isteacher($course->id)) {
if (isset($forum->keyreference)) {
unset($learningforums[$forum->keyreference]);
}
continue;
}
}
switch ($forum->type) {
case "news":
case "social":
$generalforums[] = $forum;
if (isset($forum->keyreference)) { // Should always be
unset($learningforums[$forum->keyreference]);
}
break;
case "teacher":
if (isteacher($course->id)) {
$forum->visible = true;
$generalforums[] = $forum;
}
break;
default:
if (!$course->category or empty($forum->section)) { // Site level or section 0
$generalforums[] = $forum;
if (isset($forum->keyreference)) {
unset($learningforums[$forum->keyreference]);
}
}
break;
}
}
}
/// First, let's process the general forums and build up a display
if ($generalforums) {
foreach ($generalforums as $forum) {
if (isset($forum->groupmode)) {
$groupmode = groupmode($course, $forum); /// Can do this because forum->groupmode is defined
} else {
$groupmode = NOGROUPS;
}
if ($groupmode == SEPARATEGROUPS and !isteacheredit($course->id)) {
$count = count_records_select("forum_discussions", "forum = '$forum->id' AND (groupid = '$currentgroup' OR groupid = '-1')");
} else {
$count = count_records("forum_discussions", "forum", "$forum->id");
}
$forum->intro = forum_shorten_post($forum->intro);
replace_smilies($forum->intro);
$forum->intro = "<span style=\"font-size:x-small;\">$forum->intro</span>";;
if ($forum->visible) {
$forumlink = "<a href=\"view.php?f=$forum->id\">$forum->name</a>";
} else {
$forumlink = "<a class=\"dimmed\" href=\"view.php?f=$forum->id\">$forum->name</a>";
}
//If this forum has RSS activated, calculate it
$rsslink = '';
if ($show_rss) {
if ($forum->rsstype and $forum->rssarticles) {
//Calculate the tolltip text
if ($forum->rsstype == 1) {
$tooltiptext = get_string("rsssubscriberssdiscussions","forum",$forum->name);
} else {
$tooltiptext = get_string("rsssubscriberssposts","forum",$forum->name);
}
if (empty($USER->id)) {
$userid = 0;
} else {
$userid = $USER->id;
}
//Get html code for RSS link
$rsslink = rss_get_link($course->id, $userid, "forum", $forum->id, $tooltiptext);
}
}
if ($can_subscribe) {
if (forum_is_forcesubscribed($forum->id)) {
$sublink = get_string("yes");
} else {
if ($groupmode and !isteacheredit($course->id) and !mygroupid($course->id)) {
$sublink = get_string("no"); // Can't subscribe to a group forum (not in a group)
$forumlink = $forum->name;
} else {
if (forum_is_subscribed($USER->id, $forum->id)) {
$subscribed = get_string("yes");
$subtitle = get_string("unsubscribe", "forum");
} else {
$subscribed = get_string("no");
$subtitle = get_string("subscribe", "forum");
}
$sublink = "<a title=\"$subtitle\" href=\"subscribe.php?id=$forum->id\">$subscribed</a>";
}
}
//Depending of rsslink
if (!empty($rsslink)) {
//Save data
$generaltable->data[] = array ($forumlink, "$forum->intro", "$count", $sublink, $rsslink);
} else {
$generaltable->data[] = array ($forumlink, "$forum->intro", "$count", $sublink);
}
} else {
//Depending of rsslink
if (!empty($rsslink)) {
$generaltable->data[] = array ($forumlink, "$forum->intro", "$count", $rsslink);
} else {
$generaltable->data[] = array ($forumlink, "$forum->intro", "$count");
}
}
}
}
// Start of the table for Learning Forums
$learningtable->head = array ($strforum, $strdescription, $strdiscussions);
$learningtable->align = array ("left", "left", "center");
if ($can_subscribe = (isstudent($course->id) or isteacher($course->id) or isadmin())) {
$learningtable->head[] = $strsubscribed;
$learningtable->align[] = "center";
}
if ($show_rss = (($can_subscribe || $course->id == SITEID) &&
isset($CFG->enablerssfeeds) && isset($CFG->forum_enablerssfeeds) &&
$CFG->enablerssfeeds && $CFG->forum_enablerssfeeds)) {
$learningtable->head[] = $strrss;
$learningtable->align[] = "center";
}
/// Now let's process the learning forums
if ($course->category) { // Only real courses have learning forums
// Add extra field for section number, at the front
array_unshift($learningtable->head, "");
array_unshift($learningtable->align, "center");
if ($learningforums) {
$currentsection = "";
foreach ($learningforums as $key => $forum) {
$groupmode = groupmode($course, $forum); /// Can do this because forum->groupmode is defined
if ($groupmode == SEPARATEGROUPS and !isteacheredit($course->id)) {
$count = count_records("forum_discussions", "forum", "$forum->id", "groupid", $currentgroup);
} else {
$count = count_records("forum_discussions", "forum", "$forum->id");
}
$forum->intro = forum_shorten_post($forum->intro);
replace_smilies($forum->intro);
$forum->intro = "<span style=\"font-size:x-small;\">$forum->intro</span>";
if ($forum->section != $currentsection) {
$printsection = $forum->section;
if ($currentsection) {
$learningtable->data[] = 'hr';
}
$currentsection = $forum->section;
} else {
$printsection = "";
}
if ($forum->visible) {
$forumlink = "<a href=\"view.php?f=$forum->id\">$forum->name</a>";
} else {
$forumlink = "<a class=\"dimmed\" href=\"view.php?f=$forum->id\">$forum->name</a>";
}
//If this forum has RSS activated, calculate it
$rsslink = '';
if ($show_rss) {
if ($forum->rsstype and $forum->rssarticles) {
//Calculate the tolltip text
if ($forum->rsstype == 1) {
$tooltiptext = get_string("rsssubscriberssdiscussions","forum",$forum->name);
} else {
$tooltiptext = get_string("rsssubscriberssposts","forum",$forum->name);
}
if (empty($USER->id)) {
$userid = 0;
} else {
$userid = $USER->id;
}
//Get html code for RSS link
$rsslink = rss_get_link($course->id, $userid, "forum", $forum->id, $tooltiptext);
}
}
if ($can_subscribe) {
if (forum_is_forcesubscribed($forum->id)) {
$sublink = get_string("yes");
} else {
if ($groupmode and !isteacheredit($course->id) and !mygroupid($course->id)) {
$sublink = get_string("no"); // Can't subscribe to a group forum (not in a group)
if ($groupmode == SEPARATEGROUPS) {
$forumlink = $forum->name;
}
} else {
if (forum_is_subscribed($USER->id, $forum->id)) {
$subscribed = get_string("yes");
$subtitle = get_string("unsubscribe", "forum");
} else {
$subscribed = get_string("no");
$subtitle = get_string("subscribe", "forum");
}
$sublink = "<a title=\"$subtitle\" href=\"subscribe.php?id=$forum->id\">$subscribed</a>";
}
}
//Depending of rsslink
if (!empty($rsslink)) {
//Save data
$learningtable->data[] = array ($printsection,$forumlink, "$forum->intro", "$count", $sublink, $rsslink);
} else {
$learningtable->data[] = array ($printsection,$forumlink, "$forum->intro", "$count", $sublink);
}
} else {
//Depending of rsslink
if (!empty($rsslink)) {
$learningtable->data[] = array ($printsection, $forumlink, "$forum->intro", "$count", $rsslink);
} else {
$learningtable->data[] = array ($printsection, $forumlink, "$forum->intro", "$count");
}
}
}
}
}
/// Output the page
if ($course->category) {
print_header("$course->shortname: $strforums", "$course->fullname",
"<a href=\"../../course/view.php?id=$course->id\">$course->shortname</a> -> $strforums",
"", "", true, $searchform, navmenu($course));
echo '<div id="forum-index" class="forum">'; // forum-index wrapper start
} else {
print_header("$course->shortname: $strforums", "$course->fullname", "$strforums",
"", "", true, $searchform, navmenu($course));
echo '<div id="forum-index" class="forum">'; // forum-index wrapper start
}
if ($generalforums) {
print_heading(get_string("generalforums", "forum"));
print_table($generaltable);
}
if ($learningforums) {
print_heading(get_string("learningforums", "forum"));
print_table($learningtable);
}
echo '</div>'; // forum-index wrapper end
print_footer($course);
?>
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