diff options
Diffstat (limited to 'phpBB/includes/functions_privmsgs.php')
-rw-r--r-- | phpBB/includes/functions_privmsgs.php | 166 |
1 files changed, 160 insertions, 6 deletions
diff --git a/phpBB/includes/functions_privmsgs.php b/phpBB/includes/functions_privmsgs.php index 434349714b..8542e3ab0a 100644 --- a/phpBB/includes/functions_privmsgs.php +++ b/phpBB/includes/functions_privmsgs.php @@ -1128,6 +1128,166 @@ function delete_pm($user_id, $msg_ids, $folder_id) } /** +* Delete all PM(s) for a given user and delete the ones without references +* +* @param int $user_id ID of the user whose private messages we want to delete +* +* @return boolean False if there were no pms found, true otherwise. +*/ +function phpbb_delete_user_pms($user_id) +{ + global $db, $user, $phpbb_root_path, $phpEx; + + $user_id = (int) $user_id; + + if (!$user_id) + { + return false; + } + + // Get PM Information for later deleting + // The two queries where split, so we can use our indexes + // Part 1: get PMs the user received + $sql = 'SELECT msg_id, author_id, folder_id, pm_unread, pm_new + FROM ' . PRIVMSGS_TO_TABLE . ' + WHERE user_id = ' . $user_id; + $result = $db->sql_query($sql); + + $undelivered_msg = $undelivered_user = $delete_ids = array(); + while ($row = $db->sql_fetchrow($result)) + { + if ($row['author_id'] == $user_id && $row['folder_id'] == PRIVMSGS_NO_BOX) + { + // Undelivered messages + $undelivered_msg[] = $row['msg_id']; + + if (isset($undelivered_user[$row['user_id']])) + { + ++$undelivered_user[$row['user_id']]; + } + else + { + $undelivered_user[$row['user_id']] = 1; + } + } + + $delete_ids[(int) $row['msg_id']] = (int) $row['msg_id']; + } + $db->sql_freeresult($result); + + // Part 2: get PMs the user sent + $sql = 'SELECT msg_id, author_id, folder_id, pm_unread, pm_new + FROM ' . PRIVMSGS_TO_TABLE . ' + WHERE author_id = ' . $user_id . ' + AND folder_id = ' . PRIVMSGS_NO_BOX; + $result = $db->sql_query($sql); + + while ($row = $db->sql_fetchrow($result)) + { + if ($row['author_id'] == $user_id && $row['folder_id'] == PRIVMSGS_NO_BOX) + { + // Undelivered messages + $undelivered_msg[] = $row['msg_id']; + + if (isset($undelivered_user[$row['user_id']])) + { + ++$undelivered_user[$row['user_id']]; + } + else + { + $undelivered_user[$row['user_id']] = 1; + } + } + + $delete_ids[(int) $row['msg_id']] = (int) $row['msg_id']; + } + $db->sql_freeresult($result); + + if (empty($delete_ids)) + { + return false; + } + + $db->sql_transaction('begin'); + + if (sizeof($undelivered_msg)) + { + $sql = 'DELETE FROM ' . PRIVMSGS_TABLE . ' + WHERE ' . $db->sql_in_set('msg_id', $undelivered_msg); + $db->sql_query($sql); + } + + // Reset the userīs pm count to 0 + if (isset($undelivered_user[$user_id])) + { + $sql = 'UPDATE ' . USERS_TABLE . ' + SET user_new_privmsg = 0, + user_unread_privmsg = 0 + WHERE user_id = ' . $user_id; + $db->sql_query($sql); + unset($undelivered_user[$user_id]); + } + + foreach ($undelivered_user as $_user_id => $count) + { + $sql = 'UPDATE ' . USERS_TABLE . ' + SET user_new_privmsg = user_new_privmsg - ' . $count . ', + user_unread_privmsg = user_unread_privmsg - ' . $count . ' + WHERE user_id = ' . $_user_id; + $db->sql_query($sql); + } + + // Delete private message data + $sql = 'DELETE FROM ' . PRIVMSGS_TO_TABLE . " + WHERE user_id = $user_id + AND " . $db->sql_in_set('msg_id', $delete_ids); + $db->sql_query($sql); + + // Now we have to check which messages we can delete completely + $sql = 'SELECT msg_id + FROM ' . PRIVMSGS_TO_TABLE . ' + WHERE ' . $db->sql_in_set('msg_id', $delete_ids); + $result = $db->sql_query($sql); + + while ($row = $db->sql_fetchrow($result)) + { + unset($delete_ids[$row['msg_id']]); + } + $db->sql_freeresult($result); + + if (!empty($delete_ids)) + { + // Check if there are any attachments we need to remove + if (!function_exists('delete_attachments')) + { + include($phpbb_root_path . 'includes/functions_admin.' . $phpEx); + } + + delete_attachments('message', $delete_ids, false); + + $sql = 'DELETE FROM ' . PRIVMSGS_TABLE . ' + WHERE ' . $db->sql_in_set('msg_id', $delete_ids); + $db->sql_query($sql); + } + + // Set the remaining author id to anonymous + // This way users are still able to read messages from users being removed + $sql = 'UPDATE ' . PRIVMSGS_TO_TABLE . ' + SET author_id = ' . ANONYMOUS . ' + WHERE author_id = ' . $user_id; + $db->sql_query($sql); + + $sql = 'UPDATE ' . PRIVMSGS_TABLE . ' + SET author_id = ' . ANONYMOUS . ' + WHERE author_id = ' . $user_id; + $db->sql_query($sql); + + $db->sql_transaction('commit'); + + return true; +} + +/** * Rebuild message header */ function rebuild_header($check_ary) @@ -1406,12 +1566,6 @@ function submit_pm($mode, $subject, &$data, $put_in_outbox = true) while ($row = $db->sql_fetchrow($result)) { - // Additionally, do not include the sender if he is in the group he wants to send to. ;) - if ($row['user_id'] === $user->data['user_id']) - { - continue; - } - $field = ($data['address_list']['g'][$row['group_id']] == 'to') ? 'to' : 'bcc'; $recipients[$row['user_id']] = $field; } |