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Various fixes to remove posts and post text

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git-svn-id: file:///svn/phpbb/trunk@802 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Paul S. Owen 2001-08-03 00:29:02 +00:00
parent 2b5a355fbd
commit fbcaf21bc0
1 changed files with 119 additions and 73 deletions
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168
phpBB/includes/prune.php
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@ -20,78 +20,112 @@
* *
\**************************************************************************/ \**************************************************************************/
// 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, $prune_date) function prune($forum_id, $prune_date)
{ {
global $db, $lang; global $db, $lang;
$sql = 'SELECT t.topic_id
FROM ' . TOPICS_TABLE . ' t, ' . POSTS_TABLE . " p $sql = "SELECT t.topic_id
FROM " . POSTS_TABLE . " p, " . TOPICS_TABLE . " t
WHERE t.forum_id = $forum_id WHERE t.forum_id = $forum_id
AND p.post_id = t.topic_last_post_id
AND t.topic_type = " . POST_NORMAL . " AND t.topic_type = " . POST_NORMAL . "
AND p.post_id = t.topic_last_post_id
AND p.post_time < $prune_date"; AND p.post_time < $prune_date";
if(!$result = $db->sql_query($sql)) if(!$result_topics = $db->sql_query($sql))
{ {
message_die(GENERAL_ERROR, "Couldn't obtain list of topics to prune.", __LINE__, __FILE__); message_die(GENERAL_ERROR, "Couldn't obtain lists of topics to prune.", "", __LINE__, __FILE__, $sql);
} // End if(!$result... }
$pruned_topics = $db->sql_numrows($result); $pruned_topics = $db->sql_numrows($result_topics);
$sql = "SELECT p.post_id
FROM " . POSTS_TABLE . " p, " . TOPICS_TABLE . " t
WHERE p.forum_id = $forum_id
AND p.post_time < $prune_date
AND t.topic_id = p.topic_id
AND t.topic_type = " . POST_NORMAL;
if(!$result_posts = $db->sql_query($sql))
{
message_die(GENERAL_ERROR, "Couldn't obtain list of posts to prune.", "", __LINE__, __FILE__, $sql);
}
$pruned_posts = $db->sql_numrows($result_posts);
if( $pruned_topics > 0 ) if( $pruned_topics > 0 )
{ {
$prune_posts_sql = 'DELETE FROM ' . POSTS_TABLE . " $pruned_topic_list = $db->sql_fetchrowset($result_topics);
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))
{
message_die(GENERAL_ERROR, "While Pruning: Couldn't remove affected posts.<br>$prune_posts_sql", __LINE__, __FILE__);
} // end if(!$result...
$pruned_posts = $db->sql_affectedrows();
if(!$result = $db->sql_query($prune_topic_sql))
{
message_die(GENERAL_ERROR, "While Pruning: Couldn't remove affected topics.", __LINE__, __FILE__);
} // end if(!$result...
// $sql_topics = "";
// Update forum info to reflect proper topic and post counts...
// for($i = 0; $i < $pruned_topics; $i++)
{
if($sql_topics != "")
{
$sql_topics .= " OR ";
}
$sql_topics .= "topic_id = " . $pruned_topic_list[$i]['topic_id'];
}
$sql_topics = "DELETE FROM " . TOPICS_TABLE . " WHERE " . $sql_topics;
if(!$result = $db->sql_query($sql_topics))
{
message_die(GENERAL_ERROR, "Couldn't delete topics during prune.", "", __LINE__, __FILE__, $sql_topics);
}
}
if( $pruned_posts > 0 )
{
$pruned_post_list = $db->sql_fetchrowset($result_posts);
$sql_post_text = "";
$sql_post = "";
for($i = 0; $i < $pruned_posts; $i++)
{
$post_id = $pruned_post_list[$i]['post_id'];
if($sql_post_text != "")
{
$sql_post_text .= " OR ";
}
$sql_post_text .= "post_id = $post_id";
if($sql_post != "")
{
$sql_post .= " OR ";
}
$sql_post .= "post_id = $post_id";
}
$sql_post_text = "DELETE FROM " . POSTS_TEXT_TABLE . " WHERE " . $sql_post_text;
$sql_post = "DELETE FROM " . POSTS_TABLE . " WHERE " . $sql_post;
if(!$result = $db->sql_query($sql_post_text, BEGIN_TRANSACTION))
{
message_die(GENERAL_ERROR, "Couldn't delete post_text during prune.", "", __LINE__, __FILE__, $sql_post_text);
}
else
{
if(!$result = $db->sql_query($sql_post, END_TRANSACTION))
{
message_die(GENERAL_ERROR, "Couldn't delete post during prune.", "", __LINE__, __FILE__, $sql_post);
}
}
}
$sql = "UPDATE " . FORUMS_TABLE . " $sql = "UPDATE " . FORUMS_TABLE . "
SET forum_posts = (forum_posts - $pruned_posts), forum_topics = (forum_topics - $pruned_topics) SET forum_topics = forum_topics - $pruned_topics, forum_posts = forum_posts - $pruned_posts
WHERE forum_id = $forum_id"; WHERE forum_id = $forum_id";
if(!$result = $db->sql_query($sql)) if(!$result = $db->sql_query($sql))
{ {
message_die(GENERAL_ERROR, "While Pruning: Couldn't update topic/post counts<br>" .mysql_error() , __LINE__, __FILE__); message_die(GENERAL_ERROR, "Couldn't update forum data after prune.", "", __LINE__, __FILE__, $sql);
} }
} // End if $prune_topics
$returnval = array ( $returnval = array (
"topics" => $pruned_topics, "topics" => $pruned_topics,
"posts" => $pruned_posts); "posts" => $pruned_posts);
return $returnval; return $returnval;
} // End function prune.
}
/***************************************************************************\ /***************************************************************************\
* *
@ -102,27 +136,39 @@ function prune($forum_id, $prune_date)
function auto_prune($forum_id = 0) function auto_prune($forum_id = 0)
{ {
global $db, $lang; global $db, $lang;
$one_day = 60 * 60 * 24; $one_day = 60 * 60 * 24;
$sql = 'SELECT *
FROM ' . PRUNE_TABLE . " $sql = "SELECT *
WHERE forum_id = '$forum_id'"; FROM " . PRUNE_TABLE . "
WHERE forum_id = $forum_id";
if(!$result = $db->sql_query($sql)) if(!$result = $db->sql_query($sql))
{ {
message_die(GENERAL_ERROR, "Auto-Prune: Couldn't read auto_prune table.", __LINE__, __FILE__); message_die(GENERAL_ERROR, "Auto-Prune: Couldn't read auto_prune table.", __LINE__, __FILE__);
} // End if(!$result... }
while($row = $db->sql_fetchrow($result)) while($row = $db->sql_fetchrow($result))
{ {
$forum_id = $row['forum_id']; $forum_id = $row['forum_id'];
$prune_date = time() - ($row['prune_days'] * $one_day); $prune_date = time() - ($row['prune_days'] * $one_day);
$pruned = prune($forum_id, $prune_date); $pruned = prune($forum_id, $prune_date);
$next_prune = time() + ($row['prune_freq'] * $one_day); $next_prune = time() + ($row['prune_freq'] * $one_day);
$sql = 'UPDATE ' . FORUMS_TABLE . "
SET prune_next = '$next_prune' $sql = "UPDATE " . FORUMS_TABLE . "
WHERE forum_id = '$forum_id'"; SET prune_next = $next_prune
WHERE forum_id = $forum_id";
if(!$db->sql_query($sql)) if(!$db->sql_query($sql))
{ {
message_die(GENERAL_ERROR, "Auto-Prune: Couldn't update forum table.", __LINE__, __FILE__); message_die(GENERAL_ERROR, "Auto-Prune: Couldn't update forum table.", __LINE__, __FILE__);
} // End if(!$db->sql.. }
} // End While Loop.
} // End auto_prune function. }
return;
}
?>