/**
* 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 forum_post $post Post object
* @param forum_post $inreplyto Parent post
* @param forum_discussion $discussion Discus
* @param forum $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]->forumid = -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
$html = "<head>";
foreach ($CFG->stylesheets as $stylesheet) {
$html .= '<link rel="stylesheet" type="text/css" href="' . $stylesheet . '" />' . "\n";
}
$html .= "</head>\n<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]->forumid != $forum->get_id()) {
$userdigests[$user->id]->forumid = $forum->get_id();
}
// Is this a new discussion?
if ($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?" . $forum->get_link_params(forum::PARAM_HTML) . "'>" . format_string($forum->get_name(), true) . "</a>";
if ($discussion->get_subject(false) !== $forum->get_name()) {
$html .= " -> <a target='_blank' href='{$CFG->wwwroot}/mod/forumng/discuss.php?" . $discussion->get_link_params(forum::PARAM_HTML) . "'>" . format_string($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;
}
/**
* Displays the view page (usually showing a list of discussions).
* @param forum $forum Forum
* @param int $groupid Group ID
*/
public function print_view_page($forum, $groupid)
{
global $SESSION;
$forumid = $forum->get_id();
$baseurl = 'view.php?' . $forum->get_link_params(forum::PARAM_PLAIN);
if (isset($SESSION->forumng_discussionlist[$forumid]) && property_exists($SESSION->forumng_discussionlist[$forumid], 'groupid') && $SESSION->forumng_discussionlist[$forumid]->groupid != $groupid) {
unset($SESSION->forumng_discussionlist[$forumid]->page);
unset($SESSION->forumng_discussionlist[$forumid]->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($SESSION->forumng_discussionlist[$forumid]->sort)) {
$sortorder = $SESSION->forumng_discussionlist[$forumid]->sort;
} else {
$sortorder = 'd';
}
} else {
if (optional_param('sortlink', '', PARAM_ALPHA)) {
$SESSION->forumng_discussionlist[$forumid]->sort = $sortorder;
unset($SESSION->forumng_discussionlist[$forumid]->page);
}
}
$page = optional_param('page', 0, PARAM_INT);
if (!$page) {
if (isset($SESSION->forumng_discussionlist[$forumid]->page)) {
$page = $SESSION->forumng_discussionlist[$forumid]->page;
} else {
$page = 1;
}
} else {
$SESSION->forumng_discussionlist[$forumid]->page = $page;
$SESSION->forumng_discussionlist[$forumid]->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' : '';
$sort = forum::get_sort_code($sortchar);
$list = $forum->get_discussion_list($groupid, $forum->can_view_hidden(), $forum->can_manage_discussions(), $page, $sort, $sortreverse);
$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 $forum->display_intro();
// Draft posts
$drafts = $forum->get_drafts();
if (count($drafts) > 0) {
print $forum->display_draft_list_start();
foreach ($drafts as $draft) {
print $draft->display_draft_list_item($forum, $draft == end($drafts));
}
print $forum->display_draft_list_end();
}
//print info about the start and end dtates 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' . $stringend, 'forumng', forum_utils::display_date($startdate));
print "<div class='forumng-show-dates'>{$message}</div>";
} else {
if (time() < $enddate) {
$message = get_string('beforeenddate' . $stringend, 'forumng', forum_utils::display_date($enddate));
print "<div class='forumng-show-dates'>{$message}</div>";
}
}
// After end date
if ($enddate && time() >= $enddate) {
$message = get_string('afterenddate' . $stringend, 'forumng', forum_utils::display_date($enddate));
print "<div class='forumng-show-dates'>{$message}</div>";
}
// Post button - temporarily disabled when in all-groups mode
print $groupid == NULL ? '' : $forum->display_post_button($groupid);
print $list->display_paging_bar($baseurl);
if (count($sticky) + count($normal) > 0) {
print $forum->display_discussion_list_start($groupid, $baseurl, $sort, $sortreverse);
foreach ($sticky as $discussion) {
print $discussion->display_discussion_list_item($groupid);
}
if (count($sticky) > 0 && count($normal) > 0) {
print $forum->display_discussion_list_divider($groupid);
}
foreach ($normal as $discussion) {
print $discussion->display_discussion_list_item($groupid, $discussion == end($normal));
}
print $forum->display_discussion_list_end($groupid);
} else {
print '<p class="forumng-nodiscussions">' . $this->get_string($forum, 'nodiscussions') . '</p>';
}
print $list->display_paging_bar($baseurl);
print $forum->display_discussion_list_features($groupid);
// Flagged posts
$flagged = $forum->get_flagged_posts();
if (count($flagged) > 0) {
print $forum->display_flagged_list_start();
foreach ($flagged as $post) {
print $post->display_flagged_list_item($post === end($flagged));
}
print $forum->display_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();
}
/**
* Copy the discussion and its posts to another forum and/or group.
* @param forum $targetforum Forum to copy the discussion to
* @param int $groupid If 'All participants' has been selected from the
* Separate groups dropdown box, use default value 0
*/
function copy($targetforum, $groupid)
{
global $SESSION, $CFG;
$oldforum = $this->get_forum();
$oldforumid = $oldforum->get_id();
$oldcourseid = $oldforum->get_course_id();
$targetforumid = $targetforum->get_id();
$targetcourseid = $targetforum->get_course_id();
//Clone the old discussion
$discussionobj = clone $this->discussionfields;
unset($discussionobj->id);
//update the forumid and gruopid to the target forumid and selected groupid
$discussionobj->forumid = $targetforumid;
unset($discussionobj->groupid);
if ($targetforum->get_group_mode() && $groupid) {
$discussionobj->groupid = $groupid;
}
forum_utils::start_transaction();
$newdiscussionid = forum_utils::insert_record('forumng_discussions', $discussionobj);
$rs = forum_utils::get_recordset('forumng_posts', 'discussionid', $this->get_id());
//$newids and $parentused are temp arrays used to
//$newids is a array of new postids using the indices of its old postids
//update the parentid of the post records copied over
//$hasattachments is a temp array for record the posts which has attachments.
$newids = array();
$parentsused = array();
$hasattachments = array();
while ($postrec = rs_fetch_next_record($rs)) {
$oldpostid = $postrec->id;
unset($postrec->id);
$postrec->discussionid = $newdiscussionid;
$postrec->mailstate = forum::MAILSTATE_DIGESTED;
$postrec->subject = addslashes($postrec->subject);
$postrec->message = addslashes($postrec->message);
$newpostid = forum_utils::insert_record('forumng_posts', $postrec);
$newids[$oldpostid] = $newpostid;
if ($postrec->parentpostid) {
$parentsused[$postrec->parentpostid] = true;
}
if ($postrec->attachments == 1) {
$hasattachments[$oldpostid] = $newpostid;
}
}
rs_close($rs);
//Update the postid and lastpostid in the discussion table no matter if they are null or not
$newpostid = $newids[$discussionobj->postid];
$newlastpostid = $newids[$discussionobj->lastpostid];
forum_utils::execute_sql("UPDATE {$CFG->prefix}forumng_discussions SET " . "postid=" . $newpostid . ", lastpostid=" . $newlastpostid . " WHERE id=" . $newdiscussionid);
foreach ($parentsused as $key => $value) {
$newparentpostid = $newids[$key];
//Update the parentpostids which have just been copied over
forum_utils::execute_sql("UPDATE {$CFG->prefix}forumng_posts SET " . "parentpostid=" . $newparentpostid . " WHERE parentpostid=" . $key . "AND discussionid = " . $newdiscussionid);
}
//Copy attachments
foreach ($hasattachments as $key => $value) {
$oldfolder = forum_post::get_any_attachment_folder($oldcourseid, $oldforumid, $this->get_id(), $key);
$newfolder = forum_post::get_any_attachment_folder($targetcourseid, $targetforumid, $newdiscussionid, $value);
$handle = forum_utils::opendir($oldfolder);
$created = false;
while (false !== ($name = readdir($handle))) {
//Get attachment file name one by one instead of using the get_attachment_names() to
//avoid creating a post object
if ($name != '.' && $name != '..') {
if (!is_dir("{$oldfolder}/{$name}")) {
// creating target folders and copying files
if (!$created) {
if (!check_dir_exists($newfolder, true, true)) {
throw new forum_exception("Failed to create attachment folder {$newfolder}");
}
$created = true;
}
forum_utils::copy("{$oldfolder}/{$name}", "{$newfolder}/{$name}");
}
}
}
closedir($handle);
}
forum_utils::finish_transaction();
}
