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authorAndreas Fischer <bantu@phpbb.com>2012-05-14 00:40:20 +0200
committerAndreas Fischer <bantu@phpbb.com>2012-05-14 00:40:20 +0200
commitf3d33bf9d7858ad6ed9d82f3f794f4ec0266d68e (patch)
tree5197957d1b922229ea14e7e2f21dae79fdc82e57 /phpBB/includes/functions_privmsgs.php
parent9b96c1fb78c1cfcbc57e2206cd5d6f24f0c5922c (diff)
parent86fa185a1ba4754b6c2dc9769b826aa9d57aa148 (diff)
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Merge branch 'develop-olympus' into develop
* develop-olympus: [ticket/10605] Use database updater function _sql() instead of $db->sql_query() [ticket/10605] Put end of array on its own line because start of array is too. [ticket/10605] Add parameter documentation to phpbb_delete_user_pms [ticket/10605] Fix left join usage. [ticket/10605] Add a section for updating from 3.0.10 to schema updates. [ticket/10605] Fix syntax error in database updater. [ticket/10605] Reset userÂīs pm count to 0 when deleting his PMs [ticket/10605] Split query to be able to use indexes [ticket/10605] Rename $delete_rows to $delete_ids. [ticket/10605] Break long comment into multiple lines 80 chars short. [ticket/10605] Remove unnecessary $delete_ids array. [ticket/10605] Remove unnecessary array_keys calls on $delete_rows. [ticket/10605] Remove unused variable declarations. [ticket/10605] Turn $undelivered_user into a real array of counters. [ticket/10605] Use unset() instead of checking user_id over and over again. [ticket/10605] Prefix function with phpbb_ and use true instead of 1 [ticket/10605] Delete orphan private messages on update [ticket/10605] Check for orphan privmsgs when deleting a user
Diffstat (limited to 'phpBB/includes/functions_privmsgs.php')
-rw-r--r--phpBB/includes/functions_privmsgs.php160
1 files changed, 160 insertions, 0 deletions
diff --git a/phpBB/includes/functions_privmsgs.php b/phpBB/includes/functions_privmsgs.php
index 434349714b..96e27303ee 100644
--- a/phpBB/includes/functions_privmsgs.php
+++ b/phpBB/includes/functions_privmsgs.php
@@ -1128,6 +1128,166 @@ function delete_pm($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)
generated by cgit v1.2.1 (git 2.21.0) at 2025-11-03 10:29:03 +0000