/**
* Merge posts within thread
*
* @param array $pids Post IDs to be merged
* @param int $tid Thread ID (Set to 0 if posts from multiple threads are selected)
* @return int ID of the post into which all other posts are merged
*/
function merge_posts($pids, $tid = 0, $sep = "new_line")
{
global $db, $plugins;
// Make sure we only have valid values
$pids = array_map('intval', $pids);
if (empty($pids) || count($pids) < 2) {
return false;
}
$pidin = implode(',', $pids);
$attachment_count = 0;
$first = 1;
// Get the messages to be merged
$query = $db->query("\n\t\t\tSELECT p.pid, p.uid, p.fid, p.tid, p.visible, p.message, t.visible AS threadvisible, t.replies AS threadreplies, t.firstpost AS threadfirstpost, t.unapprovedposts AS threadunapprovedposts, COUNT(a.aid) AS attachmentcount\n\t\t\tFROM " . TABLE_PREFIX . "posts p\n\t\t\tLEFT JOIN " . TABLE_PREFIX . "threads t ON (t.tid=p.tid)\n\t\t\tLEFT JOIN " . TABLE_PREFIX . "attachments a ON (a.pid=p.pid AND a.visible=1)\n\t\t\tWHERE p.pid IN({$pidin})\n\t\t\tGROUP BY p.pid\n\t\t\tORDER BY p.dateline ASC\n\t\t");
$message = '';
$threads = $forum_counters = $thread_counters = $user_counters = array();
while ($post = $db->fetch_array($query)) {
$threads[$post['tid']] = $post['tid'];
if (!isset($thread_counters[$post['tid']])) {
$thread_counters[$post['tid']] = array('replies' => 0, 'unapprovedposts' => 0, 'deletedposts' => 0, 'attachmentcount' => 0);
}
if ($first == 1) {
// all posts will be merged into this one
$masterpid = $post['pid'];
$message = $post['message'];
$fid = $post['fid'];
$mastertid = $post['tid'];
$first = 0;
} else {
// these are the selected posts
if ($sep == "new_line") {
$message .= "\n\n {$post['message']}";
} else {
$message .= "[hr]{$post['message']}";
}
if (!isset($forum_counters[$post['fid']])) {
$forum_counters[$post['fid']] = array('num_posts' => 0, 'unapprovedposts' => 0, 'deletedposts' => 0);
}
if ($post['visible'] == 1) {
--$thread_counters[$post['tid']]['replies'];
$forum = get_forum($post['fid']);
if (!isset($user_counters[$post['uid']])) {
$user_counters[$post['uid']] = array('num_posts' => 0, 'num_threads' => 0);
}
// Subtract 1 from user's post count
if ($forum['usepostcounts'] != 0 && $post['threadvisible'] == 1) {
// Update post count of the user of the merged posts
--$user_counters[$post['uid']]['num_posts'];
}
if ($post['threadfirstpost'] == $post['pid'] && $forum['usethreadcounts'] != 0 && $post['threadvisible'] == 1) {
--$user_counters[$post['uid']]['num_threads'];
}
} elseif ($post['visible'] == 0) {
// Subtract 1 unapproved post from post's thread
--$thread_counters[$post['tid']]['unapprovedposts'];
} elseif ($post['visible'] == -1) {
// Subtract 1 deleted post from post's thread
--$thread_counters[$post['tid']]['deletedposts'];
}
$thread_counters[$post['tid']]['attachmentcount'] -= $post['attachmentcount'];
// Subtract 1 post from post's forum
if ($post['threadvisible'] == 1 && $post['visible'] == 1) {
--$forum_counters[$post['fid']]['num_posts'];
} elseif ($post['threadvisible'] == 0 || $post['visible'] == 0 && $post['threadvisible'] != -1) {
--$forum_counters[$post['fid']]['unapprovedposts'];
} else {
--$forum_counters[$post['fid']]['deletedposts'];
}
}
}
// Update the message
$mergepost = array("message" => $db->escape_string($message));
$db->update_query("posts", $mergepost, "pid = '{$masterpid}'");
// Delete the extra posts
$db->delete_query("posts", "pid IN({$pidin}) AND pid != '{$masterpid}'");
// Update pid for attachments
$mergepost2 = array("pid" => $masterpid);
$db->update_query("attachments", $mergepost2, "pid IN({$pidin})");
// If the first post of a thread is merged out, the first should be updated
$query = $db->simple_select("threads", "tid, uid, fid, visible", "firstpost IN({$pidin}) AND firstpost != '{$masterpid}'");
while ($thread = $db->fetch_array($query)) {
// In some cases the first post of a thread changes
// Therefore resync the visible field to make sure they're the same if they're not
$query = $db->simple_select("posts", "pid, uid, visible", "tid='{$thread['tid']}'", array('order_by' => 'dateline', 'order_dir' => 'asc', 'limit' => 1));
$new_firstpost = $db->fetch_array($query);
if ($thread['visible'] != $new_firstpost['visible']) {
$db->update_query("posts", array('visible' => $thread['visible']), "pid='{$new_firstpost['pid']}'");
// Correct counters
if ($new_firstpost['visible'] == 1) {
--$thread_counters[$thread['tid']]['replies'];
} elseif ($new_firstpost['visible'] == -1) {
--$thread_counters[$thread['tid']]['deletedposts'];
} else {
--$thread_counters[$thread['tid']]['unapprovedposts'];
}
if ($thread['visible'] == 1) {
++$thread_counters[$thread['tid']]['replies'];
} elseif ($thread['visible'] == -1) {
++$thread_counters[$thread['tid']]['deletedposts'];
} else {
++$thread_counters[$thread['tid']]['unapprovedposts'];
}
}
if ($new_firstpost['uid'] != $thread['uid'] && $forum['usethreadcounts'] != 0 && $thread['visible'] == 1) {
if (!isset($user_counters[$new_firstpost['uid']])) {
$user_counters[$new_firstpost['uid']] = array('num_posts' => 0, 'num_threads' => 0);
}
++$user_counters[$new_firstpost['uid']]['num_threads'];
}
update_first_post($thread['tid']);
}
$arguments = array("pids" => $pids, "tid" => $tid);
$plugins->run_hooks("class_moderation_merge_posts", $arguments);
if (!empty($thread_counters)) {
foreach ($thread_counters as $tid => $counters) {
$counters = array('replies' => signed($counters['replies']), 'unapprovedposts' => signed($counters['unapprovedposts']), 'deletedposts' => signed($counters['deletedposts']), 'attachmentcount' => signed($counters['attachmentcount']));
update_thread_counters($tid, $counters);
update_last_post($tid);
}
}
if (!empty($forum_counters)) {
foreach ($forum_counters as $fid => $counters) {
$updated_forum_stats = array('posts' => signed($counters['num_posts']), 'unapprovedposts' => signed($counters['unapprovedposts']), 'deletedposts' => signed($counters['deletedposts']));
update_forum_counters($fid, $updated_forum_stats);
update_forum_lastpost($fid);
}
}
if (!empty($user_counters)) {
foreach ($user_counters as $uid => $counters) {
$update_array = array("postnum" => "+{$counters['num_posts']}", "threadnum" => "+{$counters['num_threads']}");
update_user_counters($uid, $update_array);
}
}
return $masterpid;
}
/**
* Merge posts within thread
*
* @param array Post IDs to be merged
* @param int Thread ID (Set to 0 if posts from multiple threads are
* selected)
* @return int ID of the post into which all other posts are merged
*/
function merge_posts($pids, $tid = 0, $sep = "new_line")
{
global $db, $plugins;
// Make sure we only have valid values
$pids = array_map('intval', $pids);
$tid = intval($tid);
$pidin = implode(',', $pids);
$attachment_count = 0;
$first = 1;
// Get the messages to be merged
$query = $db->query("\n\t\t\tSELECT p.pid, p.uid, p.fid, p.tid, p.visible, p.message, f.usepostcounts, t.visible AS threadvisible, t.replies AS threadreplies, t.firstpost AS threadfirstpost, t.unapprovedposts AS threadunapprovedposts\n\t\t\tFROM " . TABLE_PREFIX . "posts p\n\t\t\tLEFT JOIN " . TABLE_PREFIX . "threads t ON (t.tid=p.tid)\n\t\t\tLEFT JOIN " . TABLE_PREFIX . "forums f ON (f.fid=p.fid)\n\t\t\tWHERE p.pid IN({$pidin})\n\t\t\tORDER BY p.dateline ASC\n\t\t");
$num_unapproved_posts = $num_approved_posts = 0;
$message = '';
$threads = array();
while ($post = $db->fetch_array($query)) {
$threads[$post['tid']] = $post['tid'];
if ($first == 1) {
// all posts will be merged into this one
$masterpid = $post['pid'];
$message = $post['message'];
$fid = $post['fid'];
$mastertid = $post['tid'];
$first = 0;
} else {
// these are the selected posts
if ($sep == "new_line") {
$message .= "\n\n {$post['message']}";
} else {
$message .= "[hr]{$post['message']}";
}
if ($post['visible'] == 1 && $post['threadvisible'] == 1) {
// Subtract 1 approved post from post's thread
if (!$thread_counters[$post['tid']]['replies']) {
$thread_counters[$post['tid']]['replies'] = $post['threadreplies'];
}
--$thread_counters[$post['tid']]['replies'];
// Subtract 1 approved post from post's forum
if (!isset($forum_counters[$post['fid']]['num_posts'])) {
$forum_counters[$post['fid']]['num_posts'] = 0;
}
--$forum_counters[$post['fid']]['num_posts'];
// Subtract 1 from user's post count
if ($post['usepostcounts'] != 0) {
// Update post count of the user of the merged posts
$db->update_query("users", array("postnum" => "postnum-1"), "uid='{$post['uid']}'", 1, true);
}
} elseif ($post['visible'] == 0) {
// Subtract 1 unapproved post from post's thread
if (!$thread_counters[$post['tid']]['unapprovedposts']) {
$thread_counters[$post['tid']]['unapprovedposts'] = $post['threadunapprovedposts'];
}
--$thread_counters[$post['tid']]['unapprovedposts'];
// Subtract 1 unapproved post from post's forum
if (!isset($forum_counters[$post['fid']]['unapprovedposts'])) {
$forum_counters[$post['fid']]['unapprovedposts'] = 0;
}
--$forum_counters[$post['fid']]['unapprovedposts'];
}
}
}
// Update the message
$mergepost = array("message" => $db->escape_string($message));
$db->update_query("posts", $mergepost, "pid = '{$masterpid}'");
// Delete the extra posts
$db->delete_query("posts", "pid IN({$pidin}) AND pid != '{$masterpid}'");
// Update pid for attachments
$mergepost2 = array("pid" => $masterpid);
$db->update_query("attachments", $mergepost2, "pid IN({$pidin})");
// If the first post of a thread is merged out, the thread should be deleted
$query = $db->simple_select("threads", "tid, fid, visible", "firstpost IN({$pidin}) AND firstpost != '{$masterpid}'");
while ($thread = $db->fetch_array($query)) {
$this->delete_thread($thread['tid']);
// Subtract 1 thread from the forum's stats
if ($thread['visible']) {
if (!isset($forum_counters[$thread['fid']]['threads'])) {
$forum_counters[$thread['fid']]['threads'] = 0;
}
--$forum_counters[$thread['fid']]['threads'];
} else {
if (!isset($forum_counters[$thread['fid']]['unapprovedthreads'])) {
$forum_counters[$thread['fid']]['unapprovedthreads'] = 0;
}
--$forum_counters[$thread['fid']]['unapprovedthreads'];
}
}
$arguments = array("pids" => $pids, "tid" => $tid);
$plugins->run_hooks("class_moderation_merge_posts", $arguments);
if (is_array($thread_counters)) {
foreach ($thread_counters as $tid => $counters) {
$db->update_query("threads", $counters, "tid='{$tid}'");
update_thread_data($tid);
}
}
update_thread_data($mastertid);
update_forum_lastpost($fid);
foreach ($threads as $tid) {
$count = array();
// Attachment count
$query = $db->query("\n\t\t\t\t\tSELECT COUNT(aid) AS attachment_count\n\t\t\t\t\tFROM " . TABLE_PREFIX . "attachments a\n\t\t\t\t\tLEFT JOIN " . TABLE_PREFIX . "posts p ON (a.pid=p.pid)\n\t\t\t\t\tWHERE p.tid='{$tid}'\n\t\t\t");
$count['attachmentcount'] = $db->fetch_field($query, "attachment_count");
if (!$count['attachmentcount']) {
$count['attachmentcount'] = 0;
}
update_thread_counters($tid, $count);
}
if (is_array($forum_counters)) {
foreach ($forum_counters as $fid => $counters) {
$updated_forum_stats = array('posts' => signed($counters['num_posts']), 'unapprovedposts' => signed($counters['unapprovedposts']), 'threads' => signed($counters['threads']));
update_forum_counters($fid, $updated_forum_stats);
}
}
return $masterpid;
}