From bc5c16ae8275c2ac79ecd260c6dbb56aa2a8948c Mon Sep 17 00:00:00 2001
From: the_systech <the_systech@users.sourceforge.net>
Date: Tue, 19 Jun 2001 17:38:00 +0000
Subject: added auto_prune
git-svn-id: file:///svn/phpbb/trunk@516 89ea8834-ac86-4346-8a33-228a782c2dd0
---
phpBB/includes/constants.php | 4 +-
phpBB/includes/prune.php | 111 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 113 insertions(+), 2 deletions(-)
create mode 100644 phpBB/includes/prune.php
(limited to 'phpBB/includes')
diff --git a/phpBB/includes/constants.php b/phpBB/includes/constants.php
index 4955c8b0b5..46f9d4e602 100644
--- a/phpBB/includes/constants.php
+++ b/phpBB/includes/constants.php
@@ -135,5 +135,5 @@ define('TOPICS_TABLE', $table_prefix.'topics');
define('USER_GROUP_TABLE', $table_prefix.'user_group');
define('USERS_TABLE', $table_prefix.'users');
define('WORDS_TABLE', $table_prefix.'words');
-
-?>
\ No newline at end of file
+define('PRUNE_TABLE', $table_prefix.'forum_prune');
+?>
diff --git a/phpBB/includes/prune.php b/phpBB/includes/prune.php
new file mode 100644
index 0000000000..07fb957228
--- /dev/null
+++ b/phpBB/includes/prune.php
@@ -0,0 +1,111 @@
+<?php
+/***************************************************************************
+* prune.php
+* -------------------
+* begin : Thursday, June 14, 2001
+* copyright : (C) 2001 The phpBB Group
+* email : support@phpbb.com
+*
+* $Id$
+*
+*
+***************************************************************************/
+
+/**************************************************************************\
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+\**************************************************************************/
+
+// I am currently seperating the prune functions from functions.php due to the
+// fact that they are only really needed in one or two places so I don't see
+// the need to include them everywhere. If someone else thinks this is a bad
+// idea I am not opposed to moving them elsewhere ;) Jonathan "The_Systech"
+
+/***************************************************************************\
+*
+* function prune. This function takes as it's arguments the forum id to
+* perform the prune on, and the date before which topics should be pruned.
+*
+* This function returns the number of topics pruned upon success.
+*
+\***************************************************************************/
+function prune($forum_id, $prune_date)
+{
+ global $db, $lang;
+ $sql = 'SELECT t.topic_id
+ FROM ' . TOPICS_TABLE . ' t, ' . POSTS_TABLE . " p
+ WHERE t.forum_id = $forum_id
+ AND p.post_id = t.topic_last_post_id
+ AND t.topic_type != " . POST_ANNOUNCE . "
+ AND p.post_time < $prune_date";
+ if(!$result = $db->sql_query($sql))
+ {
+ error_die(SQL_QUERY, "Couldn't obtain list of topics to prune.", __LINE__, __FILE__);
+ } // End if(!$result...
+ $pruned_topics = $db->sql_numrows($result);
+ if($pruned_topics > 0)
+ {
+ $prune_posts_sql = 'DELETE FROM ' . POSTS_TABLE . "
+ WHERE forum_id = $forum_id AND (";
+ $prune_topic_sql = 'DELETE FROM ' . TOPICS_TABLE . "
+ WHERE forum_id = $forum_id AND (";
+ // ADD a list ORing all Topic ID's to prune....
+ while($row = $db->sql_fetchrow($result))
+ {
+ $prune_posts_sql .= 'topic_id = ' . $row['topic_id'] . ' OR ';
+ $prune_topic_sql .= 'topic_id = ' . $row['topic_id'] . ' OR ';
+ } // End while loop
+ // Remove the final OR...
+ $prune_posts_sql = substr($prune_posts_sql, 0, (strlen($prune_posts_sql) - 4));
+ $prune_topic_sql = substr($prune_topic_sql, 0, strlen($prune_topic_sql) - 4);
+ $prune_posts_sql .= ')';
+ $prune_topic_sql .= ')';
+ if(!$result = $db->sql_query($prune_posts_sql))
+ {
+ error_die(SQL_QUERY, "While Pruning: Couldn't remove affected posts.<br>$prune_posts_sql", __LINE__, __FILE__);
+ } // end if(!$result...
+ if(!$result = $db->sql_query($prune_topic_sql))
+ {
+ error_die(SQL_QUERY, "While Pruning: Couldn't remove affected topics.", __LINE__, __FILE__);
+ } // end if(!$result...
+ } // End if $prune_topics
+ return $pruned_topics;
+} // End function prune.
+
+/***************************************************************************\
+*
+* Function auto_prune(), this function will read the configuration data from
+* the auto_prune table and call the prune function with the necessary info.
+*
+****************************************************************************/
+function auto_prune($forum_id = 0)
+{
+ global $db, $lang;
+ $one_day = 60 * 60 * 24;
+ $sql = 'SELECT *
+ FROM ' . PRUNE_TABLE . "
+ WHERE forum_id = '$forum_id'";
+
+ if(!$result = $db->sql_query($sql))
+ {
+ error_die(SQL_QUERY, "Auto-Prune: Couldn't read auto_prune table.", __LINE__, __FILE__);
+ } // End if(!$result...
+ while($row = $db->sql_fetchrow($result))
+ {
+ $forum_id = $row['forum_id'];
+ $prune_date = time() - ($row['prune_days'] * $one_day);
+ $pruned = prune($forum_id, $prune_date);
+ $next_prune = time() + ($row['prune_freq'] * $one_day);
+ $sql = 'UPDATE ' . FORUMS_TABLE . "
+ SET prune_next = '$next_prune'
+ WHERE forum_id = '$forum_id'";
+ if(!$db->sql_query($sql))
+ {
+ error_die(SQL_QUERY, "Auto-Prune: Couldn't update forum table.", __LINE__, __FILE__);
+ } // End if(!$db->sql..
+ } // End While Loop.
+} // End auto_prune function.
--
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