Combine various admin related functions

git-svn-id: file:///svn/phpbb/trunk@2664 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/includes/functions_admin.php

@@ -8,7 +8,6 @@
  *
  *   $Id$
  *
- *
  ***************************************************************************/
 
 /***************************************************************************
@@ -18,7 +17,6 @@
  *   the Free Software Foundation; either version 2 of the License, or
  *   (at your option) any later version.
  *
- *
  ***************************************************************************/
 
 //
@@ -26,28 +24,23 @@
 //
 function make_forum_select($box_name, $ignore_forum = false)
 {
-	global $db, $userdata;
+	global $db, $userdata, $acl, $lang;
-
-	$is_auth_ary = auth(AUTH_READ, AUTH_LIST_ALL, $userdata);
 
 	$sql = "SELECT forum_id, forum_name
 		FROM " . FORUMS_TABLE . " 
 		ORDER BY cat_id, forum_order";
-	if ( !($result = $db->sql_query($sql)) )
+	$result = $db->sql_query($sql);
-	{
-		message_die(GENERAL_ERROR, 'Couldn not obtain forums information', '', __LINE__, __FILE__, $sql);
-	}
 
 	$forum_list = '';
 	while( $row = $db->sql_fetchrow($result) )
 	{
-		if ( $is_auth_ary[$row['forum_id']]['auth_read'] && $ignore_forum != $row['forum_id'] )
+		if ( $acl->get_acl($row['forum_id'], 'forum', 'read') && $ignore_forum != $row['forum_id'] )
 		{
 			$forum_list .= '<option value="' . $row['forum_id'] . '">' . $row['forum_name'] . '</option>';
 		}
 	}
 
-	$forum_list = ( $forum_list == '' ) ? '<option value="-1">-- ! No Forums ! --</option>' : '<select name="' . $box_name . '">' . $forum_list . '</select>';
+	$forum_list = ( $forum_list == '' ) ? '<option value="-1">' . $lang['No_forums'] . '</option>' : '<select name="' . $box_name . '">' . $forum_list . '</select>';
 
 	return $forum_list;
 }
@@ -64,10 +57,7 @@ function sync($type, $id)
 		case 'all forums':
 			$sql = "SELECT forum_id
 				FROM " . FORUMS_TABLE;
-			if ( !$result = $db->sql_query($sql) )
+			$result = $db->sql_query($sql);
-			{
-				message_die(GENERAL_ERROR, 'Could not get forum IDs', '', __LINE__, __FILE__, $sql);
-			}
 
 			while( $row = $db->sql_fetchrow($result) )
 			{
@@ -78,10 +68,7 @@ function sync($type, $id)
 		case 'all topics':
 			$sql = "SELECT topic_id
 				FROM " . TOPICS_TABLE;
-			if ( !$result = $db->sql_query($sql) )
+			$result = $db->sql_query($sql);
-			{
-				message_die(GENERAL_ERROR, 'Could not get topic ID', '', __LINE__, __FILE__, $sql);
-			}
 
 			while( $row = $db->sql_fetchrow($result) )
 			{
@@ -95,10 +82,7 @@ function sync($type, $id)
 				WHERE p.forum_id = $id 
 					AND t.topic_id = p.topic_id 
 					AND t.topic_status <> " . TOPIC_MOVED;
-			if ( !$result = $db->sql_query($sql) )
+			$result = $db->sql_query($sql);
-			{
-				message_die(GENERAL_ERROR, 'Could not get post ID', '', __LINE__, __FILE__, $sql);
-			}
 
 			if ( $row = $db->sql_fetchrow($result) )
 			{
@@ -115,46 +99,310 @@ function sync($type, $id)
 				FROM " . TOPICS_TABLE . "
 				WHERE forum_id = $id 
 					AND topic_status <> " . TOPIC_MOVED;
-			if ( !$result = $db->sql_query($sql) )
+			$result = $db->sql_query($sql);
-			{
-				message_die(GENERAL_ERROR, 'Could not get topic count', '', __LINE__, __FILE__, $sql);
-			}
 
 			$total_topics = ( $row = $db->sql_fetchrow($result) ) ? ( ( $row['total'] ) ? $row['total'] : 0 ) : 0;
 
 			$sql = "UPDATE " . FORUMS_TABLE . "
 				SET forum_last_post_id = $last_post, forum_posts = $total_posts, forum_topics = $total_topics
 				WHERE forum_id = $id";
-			if ( !$db->sql_query($sql) )
+			$db->sql_query($sql);
-			{
-				message_die(GENERAL_ERROR, 'Could not update forum', '', __LINE__, __FILE__, $sql);
-			}
 			break;
 
 		case 'topic':
 			$sql = "SELECT MAX(post_id) AS last_post, MIN(post_id) AS first_post, COUNT(post_id) AS total_posts
 				FROM " . POSTS_TABLE . "
 				WHERE topic_id = $id";
-			if ( !$result = $db->sql_query($sql) )
+			$result = $db->sql_query($sql);
-			{
-				message_die(GENERAL_ERROR, 'Could not get post ID', '', __LINE__, __FILE__, $sql);
-			}
 
 			if ( $row = $db->sql_fetchrow($result) )
 			{
 				$sql = "UPDATE " . TOPICS_TABLE . "
 					SET topic_replies = " . ( $row['total_posts'] - 1 ) . ", topic_first_post_id = " . $row['first_post'] . ", topic_last_post_id = " . $row['last_post'] . " 
 					WHERE topic_id = $id";
-				if ( !$db->sql_query($sql) )
+				$db->sql_query($sql);
-				{
-					message_die(GENERAL_ERROR, 'Could not update topic', '', __LINE__, __FILE__, $sql);
-				}
 			}
 
+		case 'post':
+			break;
+
 			break;
 	}
 	
 	return true;
 }
 
+function prune($forum_id, $prune_date)
+{
+	global $db, $lang, $phpEx, $phpbb_root_path;
+
+	require_once($phpbb_root_path . 'includes/functions_posting.'.$phpEx);
+
+	//
+	// Those without polls ...
+	//
+	$sql = "SELECT t.topic_id 
+		FROM " . POSTS_TABLE . " p, " . TOPICS_TABLE . " t
+		WHERE t.forum_id = $forum_id
+			AND t.topic_vote = 0 
+			AND t.topic_type <> " . POST_ANNOUNCE . " 
+			AND ( p.post_id = t.topic_last_post_id 
+				OR t.topic_last_post_id = 0 )";
+	if ( $prune_date != '' )
+	{
+		$sql .= " AND p.post_time < $prune_date";
+	}
+	$result = $db->sql_query($sql);
+
+	$sql_topics = '';
+	while ( $row = $db->sql_fetchrow($result) )
+	{
+		$sql_topics .= ( ( $sql_topics != '' ) ? ', ' : '' ) . $row['topic_id'];
+	}
+		
+	if ( $sql_topics != '' )
+	{
+		$sql = "SELECT post_id
+			FROM " . POSTS_TABLE . " 
+			WHERE forum_id = $forum_id 
+				AND topic_id IN ($sql_topics)";
+		$result = $db->sql_query($sql);
+
+		$sql_post = '';
+		while ( $row = $db->sql_fetchrow($result) )
+		{
+			$sql_post .= ( ( $sql_post != '' ) ? ', ' : '' ) . $row['post_id'];
+		}
+
+		if ( $sql_post != '' )
+		{
+			$db->sql_transaction();
+
+			$sql = "DELETE FROM " . TOPICS_TABLE . " 
+				WHERE topic_id IN ($sql_topics)";
+			$db->sql_query($sql);
+
+			$pruned_topics = $db->sql_affectedrows();
+
+			$sql = "DELETE FROM " . POSTS_TABLE . " 
+				WHERE post_id IN ($sql_post)";
+			$db->sql_query($sql);
+
+			$pruned_posts = $db->sql_affectedrows();
+
+			$sql = "DELETE FROM " . POSTS_TEXT_TABLE . " 
+				WHERE post_id IN ($sql_post)";
+			$db->sql_query($sql);
+
+			$sql = "DELETE FROM " . SEARCH_MATCH_TABLE . " 
+				WHERE post_id IN ($sql_post)";
+			$db->sql_query($sql);
+
+			remove_search_post($sql_post);
+
+			$db->sql_transaction('commit');
+
+			return array ('topics' => $pruned_topics, 'posts' => $pruned_posts);
+		}
+	}
+
+	return array('topics' => 0, 'posts' => 0);
+}
+
+//
+// Function auto_prune(), this function will read the configuration data from
+// the auto_prune table and call the prune function with the necessary info.
+//
+function auto_prune($forum_id = 0)
+{
+	global $db, $lang;
+
+	$sql = "SELECT prune_freq, prune_days 
+		FROM " . FORUMS_TABLE . "
+		WHERE forum_id = $forum_id";
+	$result = $db->sql_query($sql);
+
+	if ( $row = $db->sql_fetchrow($result) )
+	{
+		if ( $row['prune_freq'] && $row['prune_days'] )
+		{
+			$prune_date = time() - ( $row['prune_days'] * 86400 );
+			$next_prune = time() + ( $row['prune_freq'] * 86400 );
+
+			prune($forum_id, $prune_date);
+			sync('forum', $forum_id);
+
+			$sql = "UPDATE " . FORUMS_TABLE . " 
+				SET prune_next = $next_prune 
+				WHERE forum_id = $forum_id";
+			$db->sql_query($sql);
+		}
+	}
+
+	return;
+}
+
+/***************************************************************************
+*
+*	These functions are mainly for use in the db_utilities under the admin
+*	however in order to make these functions available elsewhere, specifically
+*	in the installation phase of phpBB I have seperated out a couple of 
+*	functions into this file.  JLH
+*
+\***************************************************************************/
+
+//
+// remove_comments will strip the sql comment lines out of an uploaded sql file
+// specifically for mssql and postgres type files in the install....
+//
+function remove_comments(&$output)
+{
+	$lines = explode("\n", $output);
+	$output = '';
+
+	// try to keep mem. use down
+	$linecount = count($lines);
+
+	$in_comment = false;
+	for($i = 0; $i < $linecount; $i++)
+	{
+		if ( preg_match('/^\/\*/', preg_quote($lines[$i])) )
+		{
+			$in_comment = true;
+		}
+
+		if ( !$in_comment )
+		{
+			$output .= $lines[$i] . "\n";
+		}
+
+		if ( preg_match('/\*\/$/', preg_quote($lines[$i])) )
+		{
+			$in_comment = false;
+		}
+	}
+
+	unset($lines);
+	return $output;
+}
+
+//
+// remove_remarks will strip the sql comment lines out of an uploaded sql file
+//
+function remove_remarks($sql)
+{
+	$lines = explode("\n", $sql);
+	
+	// try to keep mem. use down
+	$sql = '';
+	
+	$linecount = count($lines);
+	$output = '';
+
+	for ($i = 0; $i < $linecount; $i++)
+	{
+		if ( $i != $linecount - 1 || strlen($lines[$i]) > 0 )
+		{
+			$output .= ( $lines[$i][0] != '#' ) ? $lines[$i] . "\n" : "\n";
+			// Trading a bit of speed for lower mem. use here.
+			$lines[$i] = '';
+		}
+	}
+	
+	return $output;
+	
+}
+
+//
+// split_sql_file will split an uploaded sql file into single sql statements.
+// Note: expects trim() to have already been run on $sql.
+//
+function split_sql_file($sql, $delimiter)
+{
+	// Split up our string into "possible" SQL statements.
+	$tokens = explode($delimiter, $sql);
+
+	// try to save mem.
+	$sql = '';
+	$output = array();
+	
+	// we don't actually care about the matches preg gives us.
+	$matches = array();
+	
+	// this is faster than calling count($oktens) every time thru the loop.
+	$token_count = count($tokens);
+	for ($i = 0; $i < $token_count; $i++)
+	{
+		// Don't wanna add an empty string as the last thing in the array.
+		if ( $i != $token_count - 1 || strlen($tokens[$i] > 0) )
+		{
+			// This is the total number of single quotes in the token.
+			$total_quotes = preg_match_all("/'/", $tokens[$i], $matches);
+			// Counts single quotes that are preceded by an odd number of backslashes, 
+			// which means they're escaped quotes.
+			$escaped_quotes = preg_match_all("/(?<!\\\\)(\\\\\\\\)*\\\\'/", $tokens[$i], $matches);
+			
+			$unescaped_quotes = $total_quotes - $escaped_quotes;
+			
+			// If the number of unescaped quotes is even, then the delimiter did NOT occur inside a string literal.
+			if ( !($unescaped_quotes % 2) )
+			{
+				// It's a complete sql statement.
+				$output[] = $tokens[$i];
+				// save memory.
+				$tokens[$i] = '';
+			}
+			else
+			{
+				// incomplete sql statement. keep adding tokens until we have a complete one.
+				// $temp will hold what we have so far.
+				$temp = $tokens[$i] . $delimiter;
+				// save memory..
+				$tokens[$i] = '';
+				
+				// Do we have a complete statement yet? 
+				$complete_stmt = false;
+				
+				for ($j = $i + 1; (!$complete_stmt && ($j < $token_count)); $j++)
+				{
+					// This is the total number of single quotes in the token.
+					$total_quotes = preg_match_all("/'/", $tokens[$j], $matches);
+					// Counts single quotes that are preceded by an odd number of backslashes, 
+					// which means they're escaped quotes.
+					$escaped_quotes = preg_match_all("/(?<!\\\\)(\\\\\\\\)*\\\\'/", $tokens[$j], $matches);
+			
+					$unescaped_quotes = $total_quotes - $escaped_quotes;
+					
+					if ( ($unescaped_quotes % 2) == 1 )
+					{
+						// odd number of unescaped quotes. In combination with the previous incomplete
+						// statement(s), we now have a complete statement. (2 odds always make an even)
+						$output[] = $temp . $tokens[$j];
+
+						// save memory.
+						$tokens[$j] = '';
+						$temp = '';
+						
+						// exit the loop.
+						$complete_stmt = true;
+						// make sure the outer loop continues at the right point.
+						$i = $j;
+					}
+					else
+					{
+						// even number of unescaped quotes. We still don't have a complete statement. 
+						// (1 odd and 1 even always make an odd)
+						$temp .= $tokens[$j] . $delimiter;
+						// save memory.
+						$tokens[$j] = '';
+					}
+					
+				} // for..
+			} // else
+		}
+	}
+
+	return $output;
+}
+
 ?>