[ticket/10950] Delete PMs for users that have not yet read the pm

PHPBB3-10950
This commit is contained in:
Joas Schilling 2012-07-20 16:13:08 +02:00
parent a9c091fad4
commit a3517232f9
2 changed files with 46 additions and 34 deletions

View file

@ -1144,7 +1144,9 @@ function phpbb_delete_user_pms($user_id)
if (!empty($undelivered_msg))
{
// A pm is delivered, if for any receipt the message was moved
// from their NO_BOX to another folder.
// 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 = ' . $user_id . '
@ -1153,54 +1155,64 @@ function phpbb_delete_user_pms($user_id)
AND folder_id <> ' . PRIVMSGS_SENTBOX;
$result = $db->sql_query($sql);
$delivered_msg = array();
while ($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);
if (!empty($undelivered_msg))
$undelivered_user = array();
// 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 = ' . $user_id . '
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);
while ($row = $db->sql_fetchrow($result))
{
$undelivered_user = array();
$num_pms = (int) $row['num_undelivered_privmsgs'];
$undelivered_user[$num_pms][] = (int) $row['user_id'];
// 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 = ' . $user_id . '
AND folder_id = ' . PRIVMSGS_NO_BOX . '
AND ' . $db->sql_in_set('msg_id', $undelivered_msg) . '
GROUP BY user_id';
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$num_pms = (int) $row['num_undelivered_privmsgs'];
$undelivered_user[$num_pms][] = (int) $row['user_id'];
if (sizeof($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 => $undelivered_user_set)
if (sizeof($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_set);
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);

View file

@ -59,7 +59,7 @@ $lang = array_merge($lang, array(
'DELETE_POSTS' => 'Delete posts',
'DELETE_USER' => 'Delete user',
'DELETE_USER_EXPLAIN' => 'Please note that deleting a user is final, they cannot be recovered.',
'DELETE_USER_EXPLAIN' => 'Please note that deleting a user is final, they cannot be recovered. Unread private messages sent by this user will be deleted and will not be available to their recipients.',
'FORCE_REACTIVATION_SUCCESS' => 'Successfully forced reactivation.',
'FOUNDER' => 'Founder',