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[ticket/10950] Recreated the behaviour of phpbb_delete_user_pms()

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- Get delete_ids, pms of the user as receipt
- Get undelivered_msg, pms of the user as sender
- Delete undelivered_msg, if there are only NO_BOX, OUTBOX and SENTBOX links
- Correct the _new and _unread user values for the receipts
- Delete delete_ids, if there are no links to them anymore
- Reset _new and _unread values for the user we delete

PHPBB3-10950
This commit is contained in:
Joas Schilling
2012-07-04 13:10:15 +02:00
parent 7988045bda
commit 5c8c7b1352
1 changed files with 75 additions and 59 deletions
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134
phpBB/includes/functions_privmsgs.php
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@ -1103,10 +1103,10 @@ function phpbb_delete_user_pms($user_id)
// Get PM Information for later deleting
// The two queries where split, so we can use our indexes
$undelivered_msg = $undelivered_user = $delete_ids = array();
$undelivered_msg = $delete_ids = array();
// Part 1: get PMs the user received
$sql = 'SELECT msg_id, user_id, author_id, folder_id
$sql = 'SELECT msg_id
FROM ' . PRIVMSGS_TO_TABLE . '
WHERE user_id = ' . $user_id;
$result = $db->sql_query($sql);
@ -1115,26 +1115,13 @@ function phpbb_delete_user_pms($user_id)
{
$msg_id = (int) $row['msg_id'];
$delete_ids[$msg_id] = $msg_id;
if ($row['author_id'] == $user_id && $row['folder_id'] == PRIVMSGS_NO_BOX)
{
// Undelivered messages
$undelivered_msg[] = $msg_id;
if (isset($undelivered_user[$row['user_id']]))
{
++$undelivered_user[$row['user_id']];
}
else
{
$undelivered_user[$row['user_id']] = 1;
}
}
}
$db->sql_freeresult($result);
// Part 2: get PMs the user sent, but has yet to be received
$sql = 'SELECT msg_id, user_id
// We can not 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 = ' . $user_id . '
AND folder_id = ' . PRIVMSGS_NO_BOX;
@ -1143,61 +1130,90 @@ function phpbb_delete_user_pms($user_id)
while ($row = $db->sql_fetchrow($result))
{
$msg_id = (int) $row['msg_id'];
$delete_ids[$msg_id] = $msg_id;
// Undelivered messages
$undelivered_msg[] = $msg_id;
if (isset($undelivered_user[$row['user_id']]))
{
++$undelivered_user[$row['user_id']];
}
else
{
$undelivered_user[$row['user_id']] = 1;
}
$undelivered_msg[$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))
if (!empty($undelivered_msg))
{
$sql = 'DELETE FROM ' . PRIVMSGS_TABLE . '
WHERE ' . $db->sql_in_set('msg_id', $undelivered_msg);
$db->sql_query($sql);
// A pm is not undelivered, if for any receipt the message was moved
// from their NO_BOX to another folder.
$sql = 'SELECT msg_id
FROM ' . PRIVMSGS_TO_TABLE . '
WHERE author_id = ' . $user_id . '
AND folder_id <> ' . PRIVMSGS_NO_BOX . '
AND folder_id <> ' . PRIVMSGS_OUTBOX . '
AND folder_id <> ' . PRIVMSGS_SENTBOX;
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$msg_id = (int) $row['msg_id'];
unset($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
FROM ' . PRIVMSGS_TO_TABLE . '
WHERE author_id = ' . $user_id . '
AND folder_id = ' . PRIVMSGS_NO_BOX . '
AND ' . $db->sql_in_set('msg_id', $undelivered_msg);
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
if (isset($undelivered_user[$row['user_id']]))
{
++$undelivered_user[$row['user_id']];
}
else
{
$undelivered_user[$row['user_id']] = 1;
}
}
$db->sql_freeresult($result);
foreach ($undelivered_user as $undelivered_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 = ' . $undelivered_user_id;
$db->sql_query($sql);
}
$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);
}
}
// Reset the user's 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);
$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);
// Delete private message data of the user
$sql = 'DELETE FROM ' . PRIVMSGS_TO_TABLE . '
WHERE user_id = ' . (int) $user_id;
$db->sql_query($sql);
// Now we have to check which messages we can delete completely