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| author | Nathan Guse <nathaniel.guse@gmail.com> | 2012-12-07 18:11:38 -0600 |
|---|---|---|
| committer | Nathan Guse <nathaniel.guse@gmail.com> | 2012-12-07 18:11:38 -0600 |
| commit | 92ec214537d041076187cc013d08175e8cff3fe8 (patch) | |
| tree | 24ccc13c2205faf1a2ba98ae159078ddbe1d90f4 /phpBB/includes/functions_privmsgs.php | |
| parent | b25efd744db56f7565453caccf26630404db07c7 (diff) | |
| parent | 108a6c35a6d718166a8bfd17042cac5f2ccc6d20 (diff) | |
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Merge branch 'develop' of git://github.com/phpbb/phpbb3 into ticket/8323
Conflicts:
phpBB/viewtopic.php
Diffstat (limited to 'phpBB/includes/functions_privmsgs.php')
| -rw-r--r-- | phpBB/includes/functions_privmsgs.php | 232 |
1 files changed, 144 insertions, 88 deletions
diff --git a/phpBB/includes/functions_privmsgs.php b/phpBB/includes/functions_privmsgs.php index f254014a5b..57c872d91a 100644 --- a/phpBB/includes/functions_privmsgs.php +++ b/phpBB/includes/functions_privmsgs.php @@ -1145,141 +1145,197 @@ function phpbb_delete_user_pms($user_id) return false; } + return phpbb_delete_users_pms(array($user_id)); +} + +/** +* Delete all PM(s) for given users and delete the ones without references +* +* @param array $user_ids IDs of the users whose private messages we want to delete +* +* @return boolean False if there were no pms found, true otherwise. +*/ +function phpbb_delete_users_pms($user_ids) +{ + global $db, $user, $phpbb_root_path, $phpEx; + + $user_id_sql = $db->sql_in_set('user_id', $user_ids); + $author_id_sql = $db->sql_in_set('author_id', $user_ids); + // Get PM Information for later deleting // The two queries where split, so we can use our indexes + $undelivered_msg = $delete_ids = array(); + // Part 1: get PMs the user received - $sql = 'SELECT msg_id, author_id, folder_id, pm_unread, pm_new + $sql = 'SELECT msg_id FROM ' . PRIVMSGS_TO_TABLE . ' - WHERE user_id = ' . $user_id; + WHERE ' . $user_id_sql; $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']; + $msg_id = (int) $row['msg_id']; + $delete_ids[$msg_id] = $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 + // Part 2: get PMs the users sent, but are yet to be received. + // We cannot simply delete them. First we have to check + // whether another user already received and read the message. + $sql = 'SELECT msg_id FROM ' . PRIVMSGS_TO_TABLE . ' - WHERE author_id = ' . $user_id . ' - AND folder_id = ' . PRIVMSGS_NO_BOX; + WHERE ' . $author_id_sql . ' + 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']; + $msg_id = (int) $row['msg_id']; + $undelivered_msg[$msg_id] = $msg_id; } $db->sql_freeresult($result); - if (empty($delete_ids)) + if (empty($delete_ids) && empty($undelivered_msg)) { 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); - } + if (!empty($undelivered_msg)) + { + // A pm is delivered, if for any recipient the message was moved + // from their NO_BOX to another folder. We do not delete such + // messages, but only delete them for users, who have not yet + // received them. + $sql = 'SELECT msg_id + FROM ' . PRIVMSGS_TO_TABLE . ' + WHERE ' . $author_id_sql . ' + AND folder_id <> ' . PRIVMSGS_NO_BOX . ' + AND folder_id <> ' . PRIVMSGS_OUTBOX . ' + AND folder_id <> ' . PRIVMSGS_SENTBOX; + $result = $db->sql_query($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]); - } + $delivered_msg = array(); + while ($row = $db->sql_fetchrow($result)) + { + $msg_id = (int) $row['msg_id']; + $delivered_msg[$msg_id] = $msg_id; + unset($undelivered_msg[$msg_id]); + } + $db->sql_freeresult($result); - 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); - } + $undelivered_user = array(); - // 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); + // Count the messages we delete, so we can correct the user pm data + $sql = 'SELECT user_id, COUNT(msg_id) as num_undelivered_privmsgs + FROM ' . PRIVMSGS_TO_TABLE . ' + WHERE ' . $author_id_sql . ' + AND folder_id = ' . PRIVMSGS_NO_BOX . ' + AND ' . $db->sql_in_set('msg_id', array_merge($undelivered_msg, $delivered_msg)) . ' + GROUP BY user_id'; + $result = $db->sql_query($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)) + { + $num_pms = (int) $row['num_undelivered_privmsgs']; + $undelivered_user[$num_pms][] = (int) $row['user_id']; - while ($row = $db->sql_fetchrow($result)) - { - unset($delete_ids[$row['msg_id']]); + if (sizeof($undelivered_user[$num_pms]) > 50) + { + // If there are too many users affected the query might get + // too long, so we update the value for the first bunch here. + $sql = 'UPDATE ' . USERS_TABLE . ' + SET user_new_privmsg = user_new_privmsg - ' . $num_pms . ', + user_unread_privmsg = user_unread_privmsg - ' . $num_pms . ' + WHERE ' . $db->sql_in_set('user_id', $undelivered_user[$num_pms]); + $db->sql_query($sql); + unset($undelivered_user[$num_pms]); + } + } + $db->sql_freeresult($result); + + foreach ($undelivered_user as $num_pms => $undelivered_user_set) + { + $sql = 'UPDATE ' . USERS_TABLE . ' + SET user_new_privmsg = user_new_privmsg - ' . $num_pms . ', + user_unread_privmsg = user_unread_privmsg - ' . $num_pms . ' + WHERE ' . $db->sql_in_set('user_id', $undelivered_user_set); + $db->sql_query($sql); + } + + if (!empty($delivered_msg)) + { + $sql = 'DELETE FROM ' . PRIVMSGS_TO_TABLE . ' + WHERE folder_id = ' . PRIVMSGS_NO_BOX . ' + AND ' . $db->sql_in_set('msg_id', $delivered_msg); + $db->sql_query($sql); + } + + if (!empty($undelivered_msg)) + { + $sql = 'DELETE FROM ' . PRIVMSGS_TO_TABLE . ' + WHERE ' . $db->sql_in_set('msg_id', $undelivered_msg); + $db->sql_query($sql); + + $sql = 'DELETE FROM ' . PRIVMSGS_TABLE . ' + WHERE ' . $db->sql_in_set('msg_id', $undelivered_msg); + $db->sql_query($sql); + } } - $db->sql_freeresult($result); + + // Reset the user's pm count to 0 + $sql = 'UPDATE ' . USERS_TABLE . ' + SET user_new_privmsg = 0, + user_unread_privmsg = 0 + WHERE ' . $user_id_sql; + $db->sql_query($sql); + + // Delete private message data of the user + $sql = 'DELETE FROM ' . PRIVMSGS_TO_TABLE . ' + WHERE ' . $user_id_sql; + $db->sql_query($sql); if (!empty($delete_ids)) { - // Check if there are any attachments we need to remove - if (!function_exists('delete_attachments')) + // 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)) { - include($phpbb_root_path . 'includes/functions_admin.' . $phpEx); + unset($delete_ids[$row['msg_id']]); } + $db->sql_freeresult($result); - delete_attachments('message', $delete_ids, false); + if (!empty($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); + } - $sql = 'DELETE FROM ' . PRIVMSGS_TABLE . ' - WHERE ' . $db->sql_in_set('msg_id', $delete_ids); - $db->sql_query($sql); + 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; + WHERE ' . $author_id_sql; $db->sql_query($sql); $sql = 'UPDATE ' . PRIVMSGS_TABLE . ' SET author_id = ' . ANONYMOUS . ' - WHERE author_id = ' . $user_id; + WHERE ' . $author_id_sql; $db->sql_query($sql); $db->sql_transaction('commit'); @@ -2052,7 +2108,7 @@ function message_history($msg_id, $user_id, $message_row, $folder, $in_post_mode 'SUBJECT' => $subject, 'SENT_DATE' => $user->format_date($row['message_time']), 'MESSAGE' => $message, - 'FOLDER' => implode(', ', $row['folder']), + 'FOLDER' => implode($user->lang['COMMA_SEPARATOR'], $row['folder']), 'DECODED_MESSAGE' => $decoded_message, 'S_CURRENT_MSG' => ($row['msg_id'] == $msg_id), |