/**
* Displays the view page (usually showing a list of discussions).
* @param mod_forumng $forum Forum
* @param int $groupid Group ID
*/
function print_view_page($forum, $groupid)
{
global $PAGE;
$out = mod_forumng_utils::get_renderer();
$forumngid = $forum->get_id();
$baseurl = 'list.php?' . $forum->get_link_params(mod_forumng::PARAM_PLAIN);
$sortorder = optional_param('sort', '', PARAM_ALPHA);
if (!$sortorder) {
$sortlink = optional_param('sortlink', '', PARAM_ALPHA);
if ($sortlink) {
$sortorder = $sortlink;
} else {
$sortorder = 'd';
}
}
$page = optional_param('page', 0, PARAM_INT);
if (!$page) {
$page = 1;
}
$baseurl .= '&page=' . $page;
$sortchar = substr($sortorder, 0, 1);
if (strlen($sortorder) == 2) {
$sortreverse = substr($sortorder, 1, 1) == 'r' ? true : false;
} else {
$sortreverse = false;
}
$baseurl .= '&sort=' . $sortchar;
$baseurl .= $sortreverse ? 'r' : '';
$sort = mod_forumng::get_sort_code($sortchar);
$list = $forum->get_discussion_list($groupid, $forum->can_view_hidden(), $page, $sort, $sortreverse);
$normal = $list->get_normal_discussions();
$fg = new forumngtype_general();
// Remove discussions from list if the forumtype thinks we can't see them or they are not deleted.
foreach ($normal as $key => $value) {
if (!$fg->can_view_discussion($value) || !$value->is_deleted()) {
unset($normal[$key]);
}
}
$pagecount = get_page_count(count($normal), $page);
// Intro.
print $out->render_intro($forum);
print display_paging_bar($baseurl, $pagecount, $page);
if (count($normal) > 0) {
print $out->render_discussion_list_start($forum, $groupid, $baseurl, $sort, $sortreverse);
foreach ($normal as $discussion) {
if ($discussion->is_deleted()) {
print $out->render_discussion_list_item($discussion, $groupid, $discussion == end($normal));
}
}
print $out->render_discussion_list_end($forum, $groupid);
} else {
print '<p class="forumng-nodiscussions">' . get_string('nodeleteddiscussions', 'forumngfeature_deletedposts') . '</p>';
}
print display_paging_bar($baseurl, $pagecount, $page);
}
/**
* Display tag filter as a link or dropdown
* @param array $taglist is array of tags
* @param mod_forumng $forum
* @param string $selectid of tag if selected
* @return string for printing out
*/
public function render_tag_filter($taglist, $forum, $selectid = null)
{
$baseurl = 'view.php?' . $forum->get_link_params(mod_forumng::PARAM_HTML);
if (isset($selectid)) {
$tagname = htmlspecialchars($taglist[$selectid]->displayname);
$taglink = get_string('removefiltering', 'forumng', $tagname);
$taglink .= ' (';
$taglink .= html_writer::tag('a', get_string('show_all', 'forumng'), array('href' => $baseurl));
$taglink .= ')';
$out = html_writer::tag('div', $taglink, array('class' => 'forumng_discuss_tagfilter'));
} else {
// Display dropdown.
foreach ($taglist as $tag) {
$options[$tag->id] = htmlspecialchars($tag->displayname) . ' (' . $tag->count . ')';
}
$tagurl = new moodle_url('/mod/forumng/view.php?', $forum->get_link_params_array(mod_forumng::PARAM_PLAIN));
$select = new single_select($tagurl, 'tag', $options, '');
$select->label = get_string('filterdiscussions', 'forumng');
$select->set_help_icon('forumngdiscusstagfilter', 'forumng');
$output = $this->render($select);
$out = '<div class="forumng_discuss_tagfilter">' . $output . '</div>';
}
return $out;
}
/**
* Displays the view page (usually showing a list of discussions).
* @param mod_forumng $forum Forum
* @param int $groupid Group ID
*/
public function print_view_page($forum, $groupid)
{
global $SESSION, $PAGE, $USER;
$out = mod_forumng_utils::get_renderer();
$forumngid = $forum->get_id();
$baseurl = 'view.php?' . $forum->get_link_params(mod_forumng::PARAM_PLAIN);
if (isset($SESSION->forumng_discussionlist[$forumngid]) && property_exists($SESSION->forumng_discussionlist[$forumngid], 'groupid') && $SESSION->forumng_discussionlist[$forumngid]->groupid != $groupid) {
unset($SESSION->forumng_discussionlist[$forumngid]->page);
unset($SESSION->forumng_discussionlist[$forumngid]->groupid);
}
// Remember the sort order and page number in session variables
// Unset the page session variable when the sort links are clicked
// or groupid has been changed (using the group dropdown box)
$sortorder = optional_param('sort', '', PARAM_ALPHA);
if (!$sortorder) {
if (isset($SESSION->forumng_discussionlist[$forumngid]->sort)) {
$sortorder = $SESSION->forumng_discussionlist[$forumngid]->sort;
} else {
$sortorder = 'd';
}
} else {
if (optional_param('sortlink', '', PARAM_ALPHA)) {
if (!isset($SESSION->forumng_discussionlist[$forumngid])) {
$SESSION->forumng_discussionlist[$forumngid] = new stdClass();
}
$SESSION->forumng_discussionlist[$forumngid]->sort = $sortorder;
unset($SESSION->forumng_discussionlist[$forumngid]->page);
}
}
$page = optional_param('page', 0, PARAM_INT);
if (!$page) {
if (isset($SESSION->forumng_discussionlist[$forumngid]->page)) {
$page = $SESSION->forumng_discussionlist[$forumngid]->page;
} else {
$page = 1;
}
} else {
if (!isset($SESSION->forumng_discussionlist[$forumngid])) {
$SESSION->forumng_discussionlist[$forumngid] = new stdClass();
}
$SESSION->forumng_discussionlist[$forumngid]->page = $page;
$SESSION->forumng_discussionlist[$forumngid]->groupid = $groupid;
}
$baseurl .= '&page=' . $page;
$sortchar = substr($sortorder, 0, 1);
if (strlen($sortorder) == 2) {
$sortreverse = substr($sortorder, 1, 1) == 'r' ? true : false;
} else {
$sortreverse = false;
}
$baseurl .= '&sort=' . $sortchar;
$baseurl .= $sortreverse ? 'r' : '';
$sort = mod_forumng::get_sort_code($sortchar);
// Get tagid if used.
$tag = optional_param('tag', null, PARAM_ALPHANUM);
$list = $forum->get_discussion_list($groupid, $forum->can_view_hidden(), $page, $sort, $sortreverse, 0, true, $tag);
$sticky = $list->get_sticky_discussions();
$normal = $list->get_normal_discussions();
// Remove discussions from list if the forumtype thinks we can't see
// them
foreach ($sticky as $key => $value) {
if (!$this->can_view_discussion($value)) {
unset($sticky[$key]);
}
}
foreach ($normal as $key => $value) {
if (!$this->can_view_discussion($value)) {
unset($normal[$key]);
}
}
// Intro
print $out->render_intro($forum);
// Flagged posts skip link.
$flaggedposts = $forum->get_flagged_posts();
$flagdiscussions = $forum->get_flagged_discussions();
$flaggeddiscussions = array();
// Need to loop through flagged discussions removing any that can not be viewed by user.
foreach ($flagdiscussions as $discussion) {
if ($discussion->can_view($USER->id)) {
// Add to flagged discussions.
array_push($flaggeddiscussions, $discussion);
}
}
if (count($flaggedposts) + count($flaggeddiscussions) > 0) {
$output = html_writer::start_tag('div', array('class' => 'forumng-flagged-link'));
$output .= $out->render_flagged_list_link($flaggeddiscussions, true);
$output .= $out->render_flagged_list_link($flaggedposts);
$output .= html_writer::end_tag('div');
echo $output;
}
// Draft posts
$drafts = $forum->get_drafts();
if (count($drafts) > 0) {
print $out->render_draft_list_start();
foreach ($drafts as $draft) {
print $out->render_draft_list_item($forum, $draft, $draft == end($drafts));
}
print $out->render_draft_list_end();
}
// Print info about the start and end dates of the forum from the form setting
$stringend = has_capability('mod/forumng:ignorepostlimits', $forum->get_context()) ? 'capable' : '';
$startdate = $forum->get_postingfrom();
$enddate = $forum->get_postinguntil();
// Before start date
if (time() < $startdate) {
$message = get_string('beforestartdate' . $stringend, 'forumng', mod_forumng_utils::display_date($startdate));
print "<div class='forumng-show-dates'>{$message}</div>";
} else {
if (time() < $enddate) {
$message = get_string('beforeenddate' . $stringend, 'forumng', mod_forumng_utils::display_date($enddate));
print "<div class='forumng-show-dates'>{$message}</div>";
}
}
// After end date
if ($enddate && time() >= $enddate) {
$message = get_string('afterenddate' . $stringend, 'forumng', mod_forumng_utils::display_date($enddate));
print "<div class='forumng-show-dates'>{$message}</div>";
}
// Show Alert info.
if ($forum->has_reporting_email()) {
print $out->box(get_string('alert_intro', 'forumng'), 'generalbox', 'forumng-reportingon');
}
// Post button - temporarily disabled when in all-groups mode
print $groupid == null ? '' : $forum->display_post_button($groupid);
if ($taglist = $forum->get_tags_used($groupid)) {
print $out->render_tag_filter($taglist, $forum, $tag);
}
// Provide link to skip sticky discussions.
if (count($sticky) > 0 && count($normal) > 0) {
print $out->render_skip_link(key($normal));
}
print $list->display_paging_bar($baseurl);
if (count($sticky) + count($normal) > 0) {
print $out->render_discussion_list_start($forum, $groupid, $baseurl, $sort, $sortreverse);
foreach ($sticky as $discussion) {
print $out->render_discussion_list_item($discussion, $groupid, count($normal) == 0 && $discussion == end($sticky));
}
if (count($sticky) > 0 && count($normal) > 0) {
print $out->render_discussion_list_divider($forum, $groupid);
}
foreach ($normal as $discussion) {
print $out->render_discussion_list_item($discussion, $groupid, $discussion == end($normal));
}
print $out->render_discussion_list_end($forum, $groupid);
} else {
print '<p class="forumng-nodiscussions">' . $this->get_string($forum, 'nodiscussions') . '</p>';
}
print $list->display_paging_bar($baseurl);
print $forum->display_forumngfeature_discussion_lists($groupid);
// Flagged discussions.
if (count($flaggeddiscussions) > 0) {
print $out->render_flagged_list_start(true);
foreach ($flaggeddiscussions as $discussion) {
print $out->render_flagged_discuss_list_item($discussion, $discussion === end($flaggeddiscussions));
}
print $out->render_flagged_list_end();
}
// Flagged posts.
if (count($flaggedposts) > 0) {
print $out->render_flagged_list_start();
foreach ($flaggedposts as $post) {
print $out->render_flagged_list_item($post, $post === end($flaggedposts));
}
print $out->render_flagged_list_end();
}
// Subscribe and view subscribers links
print $forum->display_subscribe_options();
// Atom/RSS links
print $forum->display_feed_links($groupid);
// display the warning message for invalid archive setting
print $forum->display_archive_warning();
// Display sharing information
print $forum->display_sharing_info();
}
/**
* Updates the in-memory digest records to add a new post to the given
* user's digests.
* @param object $user User object (must include special ->emailtype, etc)
* @param array $userdigests Array of user id => digest information object
* @param mod_forumng_post $post Post object
* @param mod_forumng_post $inreplyto Parent post
* @param mod_forumng_discussion $discussion Discus
* @param mod_forumng $forum
* @param object $cm
* @param object $course
* @param object $context
*/
private static function digest_add_post_for_user(&$user, &$userdigests, &$post, &$inreplyto, &$discussion, &$forum, &$cm, &$course, &$context)
{
global $CFG;
// Set up digest for user if required
if (!array_key_exists($user->id, $userdigests)) {
$userdigests[$user->id] = new StdClass();
$userdigests[$user->id]->discussionid = -1;
// So we do header next
$userdigests[$user->id]->user = $user;
$userdigests[$user->id]->forumngid = -1;
// Get header text
$headerdata = new object();
$headerdata->sitename = format_string($course->fullname, true);
$headerdata->userprefs = $CFG->wwwroot . '/user/edit.php?id=' . $user->id . '&course=' . $course->id;
$userdigests[$user->id]->text = get_string('digestmailheader', 'forumng', $headerdata) . "\n\n";
// Get header HTML
$html = "<body id='forumng-email'>\n";
$headerdata->userprefs = '<a target="_blank" href="' . $headerdata->userprefs . '">' . get_string('digestmailprefs', 'forumng') . '</a>';
$html .= '<div class="forumng-emailheader"><p>' . get_string('digestmailheader', 'forumng', $headerdata) . '</p></div><hr size="1" noshade="noshade" />';
$userdigests[$user->id]->html = $html;
// Get email subject
$userdigests[$user->id]->subject = get_string('digestmailsubject', 'forumng', format_string($course->shortname, true));
}
// New forum?
if ($userdigests[$user->id]->forumngid != $forum->get_id()) {
$userdigests[$user->id]->forumngid = $forum->get_id();
}
// Is this a new discussion?
if ($userdigests[$user->id]->discussionid != $discussion->get_id()) {
$strforums = get_string('forums', 'forumng');
// Per-discussion header (text mode)
$text = "\n \n";
$text .= '=====================================================================';
$text .= "\n \n";
$text .= "{$course->shortname} -> {$strforums} -> " . format_string($forum->get_name(), true);
if ($discussion->get_subject(false) !== $forum->get_name()) {
$text .= " -> " . format_string($discussion->get_subject(false), true);
}
$text .= "\n";
// HTML mode
$html = '<hr size="1" noshade="noshade" />';
$html .= "<div class='forumng-breadcrumbs'>" . "<a target='_blank' href='{$CFG->wwwroot}/course/view.php?" . "id={$course->id}'>{$course->shortname}</a> -> " . "<a target='_blank' href='{$CFG->wwwroot}/mod/forumng/index.php?" . "id={$course->id}'>{$strforums}</a> -> " . "<a target='_blank' href='{$CFG->wwwroot}/mod/forumng/view.php?" . $forum->get_link_params(mod_forumng::PARAM_HTML) . "'>" . format_string($forum->get_name(), true) . "</a>";
if ($discussion->get_subject(false) !== $forum->get_name()) {
$html .= " -> <a target='_blank' href='{$CFG->wwwroot}/mod/forumng/discuss.php?" . $discussion->get_link_params(mod_forumng::PARAM_HTML) . "'>" . format_string($discussion->get_subject(false), true) . "</a>";
}
$html .= '</div>';
$userdigests[$user->id]->text .= $text;
$userdigests[$user->id]->html .= $html;
$userdigests[$user->id]->discussionid = $discussion->get_id();
}
// Get both plaintext and html versions (and subject).
// The html version will be blank if set to
// plain text mode.
$post->build_email($inreplyto, $subject, $text, $html, $user->emailtype & 1, $user->emailtype & 2, $user->emailtype & 4, $user->lang, $user->timezone, true);
$userdigests[$user->id]->text .= $text;
$userdigests[$user->id]->html .= $html;
}
/**
* Display subscribe options.
* @param mod_forumng $forum Forum
* @param string $text Textual note
* @param int $subscribed
* @param bool $button True if subscribe/unsubscribe button should be shown
* @param bool $viewlink True if 'view subscribers' link should be shown
* @return string HTML code for this area
*/
public function render_subscribe_options($forum, $text, $subscribed, $button, $viewlink)
{
$out = '<div class="forumng-subscribe-options">' . '<h3>' . get_string('subscription', 'forumng') . '</h3>' . '<p>' . $text . '</p>';
$cm = $forum->get_course_module();
if ($button) {
$outsubmit = '';
$currentgroupid = mod_forumng::get_activity_group($cm, true);
if ($currentgroupid == mod_forumng::NO_GROUPS) {
$currentgroupid = 0;
}
if ($subscribed == mod_forumng::FULLY_SUBSCRIBED || $subscribed == mod_forumng::FULLY_SUBSCRIBED_GROUPMODE) {
$outsubmit .= '<input type="submit" name="submitunsubscribe" value="' . get_string('unsubscribeshort', 'forumng') . '" />';
} else {
if ($subscribed == mod_forumng::PARTIALLY_SUBSCRIBED) {
//print both subscribe button and unsubscribe button
$outsubmit .= '<input type="submit" name="submitsubscribe" value="' . get_string('subscribelong', 'forumng') . '" />' . '<input type="submit" name="submitunsubscribe" value="' . get_string('unsubscribelong', 'forumng') . '" />';
} else {
if ($subscribed == mod_forumng::NOT_SUBSCRIBED) {
//default unsubscribed, print subscribe button
$outsubmit .= '<input type="submit" name="submitsubscribe" value="' . get_string('subscribeshort', 'forumng') . '" />';
} else {
if ($subscribed == mod_forumng::THIS_GROUP_PARTIALLY_SUBSCRIBED) {
$outsubmit .= '<input type="submit" name="submitsubscribe_thisgroup" value="' . get_string('subscribegroup', 'forumng') . '" />' . '<input type="submit" name="submitunsubscribe_thisgroup" value="' . get_string('unsubscribegroup_partial', 'forumng') . '" />' . '<input type="hidden" name="g" value="' . $currentgroupid . '" />';
} else {
if ($subscribed == mod_forumng::THIS_GROUP_SUBSCRIBED) {
$outsubmit .= '<input type="submit" name="submitunsubscribe_thisgroup" value="' . get_string('unsubscribegroup', 'forumng') . '" />' . '<input type="hidden" name="g" value="' . $currentgroupid . '" />';
} else {
if ($subscribed == mod_forumng::THIS_GROUP_NOT_SUBSCRIBED) {
$outsubmit .= '<input type="submit" name="submitsubscribe_thisgroup" value="' . get_string('subscribegroup', 'forumng') . '" />' . '<input type="hidden" name="g" value="' . $currentgroupid . '" />';
}
}
}
}
}
}
$out .= ' <form action="subscribe.php" method="post"><div>' . $forum->get_link_params(mod_forumng::PARAM_FORM) . '<input type="hidden" name="back" value="view" />' . $outsubmit . '</div></form>';
}
if ($viewlink) {
$out .= ' <div class="forumng-subscribe-admin">' . '<a href="subscribers.php?' . $forum->get_link_params(mod_forumng::PARAM_HTML) . '">' . get_string('viewsubscribers', 'forumng') . '</a></div>';
}
$out .= '</div>';
return $out;
}