/**
* Prints the discussion view screen for a forum.
*
* @global object
* @global object
* @param object $course The current course object.
* @param object $forum Forum to be printed.
* @param int $maxdiscussions .
* @param string $displayformat The display format to use (optional).
* @param string $sort Sort arguments for database query (optional).
* @param int $groupmode Group mode of the forum (optional).
* @param void $unused (originally current group)
* @param int $page Page mode, page to display (optional).
* @param int $perpage The maximum number of discussions per page(optional)
*
*/
function forum_print_latest_discussions($course, $forum, $maxdiscussions=-1, $displayformat='plain', $sort='',
$currentgroup=-1, $groupmode=-1, $page=-1, $perpage=100, $cm=NULL) {
global $CFG, $USER, $OUTPUT;
if (!$cm) {
if (!$cm = get_coursemodule_from_instance('forum', $forum->id, $forum->course)) {
print_error('invalidcoursemodule');
}
}
$context = context_module::instance($cm->id);
if (empty($sort)) {
$sort = "d.timemodified DESC";
}
$olddiscussionlink = false;
// Sort out some defaults
if ($perpage <= 0) {
$perpage = 0;
$page = -1;
}
if ($maxdiscussions == 0) {
// all discussions - backwards compatibility
$page = -1;
$perpage = 0;
if ($displayformat == 'plain') {
$displayformat = 'header'; // Abbreviate display by default
}
} else if ($maxdiscussions > 0) {
$page = -1;
$perpage = $maxdiscussions;
}
$fullpost = false;
if ($displayformat == 'plain') {
$fullpost = true;
}
// Decide if current user is allowed to see ALL the current discussions or not
// First check the group stuff
if ($currentgroup == -1 or $groupmode == -1) {
$groupmode = groups_get_activity_groupmode($cm, $course);
$currentgroup = groups_get_activity_group($cm);
}
$groups = array(); //cache
// If the user can post discussions, then this is a good place to put the
// button for it. We do not show the button if we are showing site news
// and the current user is a guest.
$canstart = forum_user_can_post_discussion($forum, $currentgroup, $groupmode, $cm, $context);
if (!$canstart and $forum->type !== 'news') {
if (isguestuser() or !isloggedin()) {
$canstart = true;
}
if (!is_enrolled($context) and !is_viewing($context)) {
// allow guests and not-logged-in to see the button - they are prompted to log in after clicking the link
// normal users with temporary guest access see this button too, they are asked to enrol instead
// do not show the button to users with suspended enrolments here
$canstart = enrol_selfenrol_available($course->id);
}
}
if ($canstart) {
echo '<div class="singlebutton forumaddnew">';
echo "<form id=\"newdiscussionform\" method=\"get\" action=\"$CFG->wwwroot/mod/forum/post.php\">";
echo '<div>';
echo "<input type=\"hidden\" name=\"forum\" value=\"$forum->id\" />";
switch ($forum->type) {
case 'news':
case 'blog':
$buttonadd = get_string('addanewtopic', 'forum');
break;
case 'qanda':
$buttonadd = get_string('addanewquestion', 'forum');
break;
default:
$buttonadd = get_string('addanewdiscussion', 'forum');
break;
}
echo '<input type="submit" value="'.$buttonadd.'" />';
echo '</div>';
echo '</form>';
echo "</div>\n";
} else if (isguestuser() or !isloggedin() or $forum->type == 'news') {
// no button and no info
} else if ($groupmode and has_capability('mod/forum:startdiscussion', $context)) {
// inform users why they can not post new discussion
if ($currentgroup) {
echo $OUTPUT->notification(get_string('cannotadddiscussion', 'forum'));
} else {
echo $OUTPUT->notification(get_string('cannotadddiscussionall', 'forum'));
}
}
// Get all the recent discussions we're allowed to see
$getuserlastmodified = ($displayformat == 'header');
if (! $discussions = forum_get_discussions($cm, $sort, $fullpost, null, $maxdiscussions, $getuserlastmodified, $page, $perpage) ) {
echo '<div class="forumnodiscuss">';
if ($forum->type == 'news') {
echo '('.get_string('nonews', 'forum').')';
} else if ($forum->type == 'qanda') {
echo '('.get_string('noquestions','forum').')';
} else {
echo '('.get_string('nodiscussions', 'forum').')';
}
echo "</div>\n";
return;
}
// If we want paging
if ($page != -1) {
///Get the number of discussions found
$numdiscussions = forum_get_discussions_count($cm);
///Show the paging bar
echo $OUTPUT->paging_bar($numdiscussions, $page, $perpage, "view.php?f=$forum->id");
if ($numdiscussions > 1000) {
// saves some memory on sites with very large forums
$replies = forum_count_discussion_replies($forum->id, $sort, $maxdiscussions, $page, $perpage);
} else {
$replies = forum_count_discussion_replies($forum->id);
}
} else {
$replies = forum_count_discussion_replies($forum->id);
if ($maxdiscussions > 0 and $maxdiscussions <= count($discussions)) {
$olddiscussionlink = true;
}
}
$canviewparticipants = has_capability('moodle/course:viewparticipants',$context);
$strdatestring = get_string('strftimerecentfull');
// Check if the forum is tracked.
if ($cantrack = forum_tp_can_track_forums($forum)) {
$forumtracked = forum_tp_is_tracked($forum);
} else {
$forumtracked = false;
}
if ($forumtracked) {
$unreads = forum_get_discussions_unread($cm);
} else {
$unreads = array();
}
if ($displayformat == 'header') {
echo '<table cellspacing="0" class="forumheaderlist">';
echo '<thead>';
echo '<tr>';
echo '<th class="header topic" scope="col">'.get_string('discussion', 'forum').'</th>';
echo '<th class="header author" colspan="2" scope="col">'.get_string('startedby', 'forum').'</th>';
if ($groupmode > 0) {
echo '<th class="header group" scope="col">'.get_string('group').'</th>';
}
if (has_capability('mod/forum:viewdiscussion', $context)) {
echo '<th class="header replies" scope="col">'.get_string('replies', 'forum').'</th>';
// If the forum can be tracked, display the unread column.
if ($cantrack) {
echo '<th class="header replies" scope="col">'.get_string('unread', 'forum');
if ($forumtracked) {
echo '<a title="'.get_string('markallread', 'forum').
'" href="'.$CFG->wwwroot.'/mod/forum/markposts.php?f='.
$forum->id.'&mark=read&returnpage=view.php">'.
'<img src="'.$OUTPUT->pix_url('t/markasread') . '" class="iconsmall" alt="'.get_string('markallread', 'forum').'" /></a>';
}
echo '</th>';
}
}
echo '<th class="header lastpost" scope="col">'.get_string('lastpost', 'forum').'</th>';
echo '</tr>';
echo '</thead>';
echo '<tbody>';
}
foreach ($discussions as $discussion) {
if (!empty($replies[$discussion->discussion])) {
$discussion->replies = $replies[$discussion->discussion]->replies;
$discussion->lastpostid = $replies[$discussion->discussion]->lastpostid;
} else {
$discussion->replies = 0;
}
// SPECIAL CASE: The front page can display a news item post to non-logged in users.
// All posts are read in this case.
if (!$forumtracked) {
$discussion->unread = '-';
} else if (empty($USER)) {
$discussion->unread = 0;
} else {
if (empty($unreads[$discussion->discussion])) {
$discussion->unread = 0;
} else {
$discussion->unread = $unreads[$discussion->discussion];
}
}
if (isloggedin()) {
$ownpost = ($discussion->userid == $USER->id);
} else {
$ownpost=false;
}
// Use discussion name instead of subject of first post
$discussion->subject = $discussion->name;
switch ($displayformat) {
case 'header':
if ($groupmode > 0) {
if (isset($groups[$discussion->groupid])) {
$group = $groups[$discussion->groupid];
} else {
$group = $groups[$discussion->groupid] = groups_get_group($discussion->groupid);
}
} else {
$group = -1;
}
forum_print_discussion_header($discussion, $forum, $group, $strdatestring, $cantrack, $forumtracked,
$canviewparticipants, $context);
break;
default:
$link = false;
if ($discussion->replies) {
$link = true;
} else {
$modcontext = context_module::instance($cm->id);
$link = forum_user_can_see_discussion($forum, $discussion, $modcontext, $USER);
}
$discussion->forum = $forum->id;
forum_print_post($discussion, $discussion, $forum, $cm, $course, $ownpost, 0, $link, false,
'', null, true, $forumtracked);
break;
}
}
if ($displayformat == "header") {
echo '</tbody>';
echo '</table>';
}
if ($olddiscussionlink) {
if ($forum->type == 'news') {
$strolder = get_string('oldertopics', 'forum');
} else {
$strolder = get_string('olderdiscussions', 'forum');
}
echo '<div class="forumolddiscuss">';
echo '<a href="'.$CFG->wwwroot.'/mod/forum/view.php?f='.$forum->id.'&showall=1">';
echo $strolder.'</a> ...</div>';
}
if ($page != -1) { ///Show the paging bar
echo $OUTPUT->paging_bar($numdiscussions, $page, $perpage, "view.php?f=$forum->id");
}
}
if (!empty($forum)) {
// User is starting a new discussion in a forum
if (!($forum = $DB->get_record("forum", array("id" => $forum)))) {
print_error('invalidforumid', 'forum');
}
if (!($course = $DB->get_record("course", array("id" => $forum->course)))) {
print_error('invalidcourseid');
}
if (!($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id))) {
print_error("invalidcoursemodule");
}
$coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
if (!forum_user_can_post_discussion($forum, $groupid, -1, $cm)) {
if (!isguestuser()) {
if (!is_enrolled($coursecontext)) {
if (enrol_selfenrol_available($course->id)) {
$SESSION->wantsurl = $FULLME;
$SESSION->enrolcancel = $_SERVER['HTTP_REFERER'];
redirect($CFG->wwwroot . '/enrol/index.php?id=' . $course->id, get_string('youneedtoenrol'));
}
}
}
print_error('nopostforum', 'forum');
}
if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', $coursecontext)) {
print_error("activityiscurrentlyhidden");
}
if (isset($_SERVER["HTTP_REFERER"])) {
$SESSION->fromurl = $_SERVER["HTTP_REFERER"];
} else {
$SESSION->fromurl = '';
$PAGE->set_heading($course->fullname);
$PAGE->set_button($searchform);
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($forum->name), 2);
/// Check to see if groups are being used in this forum
/// If so, make sure the current person is allowed to see this discussion
/// Also, if we know they should be able to reply, then explicitly set $canreply for performance reasons
$canreply = forum_user_can_post($forum, $discussion, $USER, $cm, $course, $modcontext);
if (!$canreply and $forum->type !== 'news') {
if (isguestuser() or !isloggedin()) {
$canreply = true;
}
if (!is_enrolled($modcontext) and !is_viewing($modcontext)) {
// allow guests and not-logged-in to see the link - they are prompted to log in after clicking the link
// normal users with temporary guest access see this link too, they are asked to enrol instead
$canreply = enrol_selfenrol_available($course->id);
}
}
/// Print the controls across the top
echo '<div class="discussioncontrols clearfix">';
if (!empty($CFG->enableportfolios) && has_capability('mod/forum:exportdiscussion', $modcontext)) {
require_once $CFG->libdir . '/portfoliolib.php';
$button = new portfolio_add_button();
$button->set_callback_options('forum_portfolio_caller', array('discussionid' => $discussion->id), 'mod_forum');
$button = $button->to_html(PORTFOLIO_ADD_FULL_FORM, get_string('exportdiscussion', 'mod_forum'));
$buttonextraclass = '';
if (empty($button)) {
// no portfolio plugin available.
$button = ' ';
$buttonextraclass = ' noavailable';
}
/**
* Prints the discussion view screen for a forum.
*
* @global object
* @global object
* @param object $course The current course object.
* @param object $forum Forum to be printed.
* @param int $maxdiscussions .
* @param string $sort Sort arguments for database query (optional).
* @param int $groupmode Group mode of the forum (optional).
* @param void $unused (originally current group)
* @param int $page Page mode, page to display (optional).
* @param int $perpage The maximum number of discussions per page(optional)
*
*/
function hsuforum_print_latest_discussions($course, $forum, $maxdiscussions = -1, $sort = '', $currentgroup = -1, $groupmode = -1, $page = -1, $perpage = 100, $cm = NULL)
{
global $CFG, $USER, $OUTPUT, $PAGE;
require_once $CFG->dirroot . '/rating/lib.php';
if (!$cm) {
if (!($cm = get_coursemodule_from_instance('hsuforum', $forum->id, $forum->course))) {
print_error('invalidcoursemodule');
}
}
$context = context_module::instance($cm->id);
if (empty($sort)) {
$sort = "d.timemodified DESC";
}
$olddiscussionlink = false;
// Sort out some defaults
if ($perpage <= 0) {
$perpage = 0;
$page = -1;
}
if ($maxdiscussions == 0) {
// all discussions - backwards compatibility
$page = -1;
$perpage = 0;
} else {
if ($maxdiscussions > 0) {
$page = -1;
$perpage = $maxdiscussions;
}
}
$renderer = $PAGE->get_renderer('mod_hsuforum');
$PAGE->requires->js_init_call('M.mod_hsuforum.init', null, false, $renderer->get_js_module());
$fullpost = true;
// Decide if current user is allowed to see ALL the current discussions or not
// First check the group stuff
if ($currentgroup == -1 or $groupmode == -1) {
$groupmode = groups_get_activity_groupmode($cm, $course);
$currentgroup = groups_get_activity_group($cm);
}
$groups = array();
//cache
// If the user can post discussions, then this is a good place to put the
// button for it. We do not show the button if we are showing site news
// and the current user is a guest.
$canstart = hsuforum_user_can_post_discussion($forum, $currentgroup, $groupmode, $cm, $context);
if (!$canstart and $forum->type !== 'news') {
if (isguestuser() or !isloggedin()) {
$canstart = true;
}
if (!is_enrolled($context) and !is_viewing($context)) {
// allow guests and not-logged-in to see the button - they are prompted to log in after clicking the link
// normal users with temporary guest access see this button too, they are asked to enrol instead
// do not show the button to users with suspended enrolments here
$canstart = enrol_selfenrol_available($course->id);
}
}
// Get all the recent discussions we're allowed to see
$getuserlastmodified = true;
$discussions = hsuforum_get_discussions($cm, $sort, $fullpost, $maxdiscussions, $getuserlastmodified, $page, $perpage, false);
// If we want paging
$numdiscussions = null;
if ($page != -1) {
// Get the number of discussions found.
$numdiscussions = hsuforum_get_discussions_count($cm);
} else {
if ($maxdiscussions > 0 and $maxdiscussions <= count($discussions)) {
$olddiscussionlink = true;
}
}
// TODO - Can we just delete this first if?
if (!$canstart && (isguestuser() or !isloggedin() or $forum->type == 'news' or $forum->type == 'qanda' and !has_capability('mod/hsuforum:addquestion', $context) or $forum->type != 'qanda' and !has_capability('mod/hsuforum:startdiscussion', $context))) {
// no button and no info
} else {
if (!$canstart && $groupmode and !has_capability('moodle/site:accessallgroups', $context)) {
// inform users why they can not post new discussion
if (!$currentgroup) {
echo $OUTPUT->notification(get_string('cannotadddiscussionall', 'hsuforum'), 'notifyproblem hsuforum-cannot-post');
} else {
if (!groups_is_member($currentgroup)) {
echo $OUTPUT->notification(get_string('cannotadddiscussion', 'hsuforum'), 'notifyproblem hsuforum-cannot-post');
}
}
}
}
if ($discussions) {
echo "<h3 class='hsuforum-discussion-count' data-count='{$numdiscussions}'>" . get_string('xdiscussions', 'hsuforum', $numdiscussions) . "</h3>";
}
// lots of echo instead of building up and printing - bad
echo '<div id="hsuforum-menu">';
if ($canstart) {
echo '<form class="hsuforum-add-discussion" id="newdiscussionform" method="get" action="' . $CFG->wwwroot . '/mod/hsuforum/post.php">
<div>
<input type="hidden" name="forum" value="' . $forum->id . '" />
<input type="submit" value="' . get_string('addanewtopic', 'hsuforum') . '" />
</div>
</form>';
}
echo hsuforum_search_form($course, $forum->id);
// Sort/Filter options
$urlmenu = new moodle_url('/mod/hsuforum/view.php', array('id' => $cm->id));
$groupselect = groups_print_activity_menu($cm, $urlmenu, true);
$sortselect = '';
if ($discussions && $forum->type != 'single' && $numdiscussions > 1) {
require_once __DIR__ . '/lib/discussion/sort.php';
$dsort = hsuforum_lib_discussion_sort::get_from_session($forum, $context);
$dsort->set_key(optional_param('dsortkey', $dsort->get_key(), PARAM_ALPHA));
$dsort->set_direction(optional_param('dsortdirection', $dsort->get_direction(), PARAM_ALPHA));
hsuforum_lib_discussion_sort::set_to_session($dsort);
$sortselect = $renderer->discussion_sorting($cm, $dsort);
}
if ($groupselect || $sortselect) {
echo "<div id='hsuforum-filter-options'>";
echo $groupselect;
echo $sortselect;
echo "</div>";
}
echo "</div><!-- end hsuforum-menu -->";
// When there are no threads, return;
if (!$discussions) {
// in an empty forum, if the user can start a thread this div is where the js puts it
if ($canstart) {
echo '<div class="mod-hsuforum-posts-container article">';
echo $renderer->discussions($cm, array(), array('total' => 0, 'page' => $page, 'perpage' => $perpage));
echo "</div>";
}
return;
}
if ($forum->assessed != RATING_AGGREGATE_NONE) {
$ratingoptions = new stdClass();
$ratingoptions->context = $context;
$ratingoptions->component = 'mod_hsuforum';
$ratingoptions->ratingarea = 'post';
$ratingoptions->items = $discussions;
$ratingoptions->aggregate = $forum->assessed;
$ratingoptions->scaleid = $forum->scale;
$ratingoptions->userid = $USER->id;
$ratingoptions->returnurl = "{$CFG->wwwroot}/mod/hsuforum/view.php?id={$cm->id}";
$ratingoptions->assesstimestart = $forum->assesstimestart;
$ratingoptions->assesstimefinish = $forum->assesstimefinish;
$rm = new rating_manager();
$discussions = $rm->get_ratings($ratingoptions);
}
$canviewparticipants = has_capability('moodle/course:viewparticipants', $context);
$strdatestring = get_string('strftimerecentfull');
echo '<div class="mod-hsuforum-posts-container article">';
// Can be used by some output formats.
$discussionlist = array();
foreach ($discussions as $discussion) {
if ($forum->type == 'qanda' && !has_capability('mod/hsuforum:viewqandawithoutposting', $context) && !hsuforum_user_has_posted($forum->id, $discussion->discussion, $USER->id)) {
$canviewparticipants = false;
}
if (empty($discussion->replies)) {
$discussion->replies = 0;
}
if (empty($discussion->lastpostid)) {
$discussion->lastpostid = 0;
}
// SPECIAL CASE: The front page can display a news item post to non-logged in users.
// All posts are read in this case.
if (empty($USER)) {
$discussion->unread = 0;
} else {
if (empty($discussion->unread)) {
$discussion->unread = 0;
}
}
if (isloggedin()) {
$ownpost = $discussion->userid == $USER->id;
} else {
$ownpost = false;
}
// Use discussion name instead of subject of first post
$discussion->subject = $discussion->name;
$disc = hsuforum_extract_discussion($discussion, $forum);
$discussionlist[$disc->id] = array($disc, $discussion);
}
echo $renderer->discussions($cm, $discussionlist, array('total' => $numdiscussions, 'page' => $page, 'perpage' => $perpage));
if ($olddiscussionlink) {
if ($forum->type == 'news') {
$strolder = get_string('oldertopics', 'hsuforum');
} else {
$strolder = get_string('olderdiscussions', 'hsuforum');
}
echo '<div class="forumolddiscuss">';
echo '<a href="' . $CFG->wwwroot . '/mod/hsuforum/view.php?f=' . $forum->id . '&showall=1">';
echo $strolder . '</a> ...</div>';
}
echo "</div>";
// End mod-hsuforum-posts-container
if ($page != -1) {
echo $OUTPUT->paging_bar($numdiscussions, $page, $perpage, "view.php?f={$forum->id}");
}
}