<?php
/* $Id: bookmark.lib.php,v 2.2 2003/11/26 22:52:23 rabus Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:

/**
 * Set of functions used with the bookmark feature
 */


/**
 * Defines the bookmark parameters for the current user
 *
 * @return  array    the bookmark parameters for the current user
 *
 * @global  integer  the id of the current server
 *
 * @access  public
 */
function PMA_getBookmarksParam()
{
    global $server;

    $cfgBookmark = '';

    // No server selected -> no bookmark table
    if ($server == 0) {
        return '';
    }

    $cfgBookmark['user']  = $GLOBALS['cfg']['Server']['user'];
    $cfgBookmark['db']    = $GLOBALS['cfg']['Server']['pmadb'];
    $cfgBookmark['table'] = $GLOBALS['cfg']['Server']['bookmarktable'];

    return $cfgBookmark;
} // end of the 'PMA_getBookmarksParam()' function


/**
 * Gets the list of bookmarks defined for the current database
 *
 * @param   string   the current database name
 * @param   array    the bookmark parameters for the current user
 *
 * @return  mixed    the bookmarks list if defined, false else
 *
 * @access  public
 */
function PMA_listBookmarks($db, $cfgBookmark)
{
    $query  = 'SELECT label, id FROM '. PMA_backquote($cfgBookmark['db']) . '.' . PMA_backquote($cfgBookmark['table'])
            . ' WHERE dbase = \'' . PMA_sqlAddslashes($db) . '\''
            . ' AND (user = \'' . PMA_sqlAddslashes($cfgBookmark['user']) . '\''
            . '      OR user = \'\')';
    if (isset($GLOBALS['dbh'])) {
        $result = PMA_mysql_query($query, $GLOBALS['dbh']);
    } else {
        $result = PMA_mysql_query($query);
    }

    // There is some bookmarks -> store them
    if ($result > 0 && mysql_num_rows($result) > 0) {
        $flag = 1;
        while ($row = PMA_mysql_fetch_row($result)) {
            $bookmark_list[$flag . ' - ' . $row[0]] = $row[1];
            $flag++;
        } // end while
        return $bookmark_list;
    }
    // No bookmarks for the current database
    else {
        return FALSE;
    }
} // end of the 'PMA_listBookmarks()' function


/**
 * Gets the sql command from a bookmark
 *
 * @param   string   the current database name
 * @param   array    the bookmark parameters for the current user
 * @param   mixed    the id of the bookmark to get
 * @param   string   which field to look up the $id
 *
 * @return  string   the sql query
 *
 * @access  public
 */
function PMA_queryBookmarks($db, $cfgBookmark, $id, $id_field = 'id')
{

    if (empty($cfgBookmark['db']) || empty($cfgBookmark['table'])) {
        return '';
    }

    $query          = 'SELECT query FROM ' . PMA_backquote($cfgBookmark['db']) . '.' . PMA_backquote($cfgBookmark['table'])
                    . ' WHERE dbase = \'' . PMA_sqlAddslashes($db) . '\''
                    . ' AND (user = \'' . PMA_sqlAddslashes($cfgBookmark['user']) . '\''
                    . '      OR user = \'\')'
                    . ' AND ' . PMA_backquote($id_field) . ' = ' . $id;
    if (isset($GLOBALS['dbh'])) {
        $result = PMA_mysql_query($query, $GLOBALS['dbh']);
    } else {
        $result = PMA_mysql_query($query);
    }
    $bookmark_query = @PMA_mysql_result($result, 0, 'query') OR FALSE;

    return $bookmark_query;
} // end of the 'PMA_queryBookmarks()' function


/**
 * Adds a bookmark
 *
 * @param   array    the properties of the bookmark to add
 * @param   array    the bookmark parameters for the current user
 * @param   boolean  whether to make the bookmark available for all users
 *
 * @return  boolean  whether the INSERT succeeds or not
 *
 * @access  public
 */
function PMA_addBookmarks($fields, $cfgBookmark, $all_users = false)
{
    $query = 'INSERT INTO ' . PMA_backquote($cfgBookmark['db']) . '.' . PMA_backquote($cfgBookmark['table'])
           . ' (id, dbase, user, query, label) VALUES (\'\', \'' . PMA_sqlAddslashes($fields['dbase']) . '\', \'' . ($all_users ? '' : PMA_sqlAddslashes($fields['user'])) . '\', \'' . PMA_sqlAddslashes(urldecode($fields['query'])) . '\', \'' . PMA_sqlAddslashes($fields['label']) . '\')';
    if (isset($GLOBALS['dbh'])) {
        $result   = PMA_mysql_query($query, $GLOBALS['dbh']);
        if (PMA_mysql_error($GLOBALS['dbh'])) {
           $error = PMA_mysql_error($GLOBALS['dbh']);
           require_once('./header.inc.php');
           PMA_mysqlDie($error);
        }
    } else {
        $result   = PMA_mysql_query($query);
        if (PMA_mysql_error()) {
           $error = PMA_mysql_error();
           require_once('./header.inc.php');
           PMA_mysqlDie($error);
        }
    }

    return TRUE;
} // end of the 'PMA_addBookmarks()' function


/**
 * Deletes a bookmark
 *
 * @param   string   the current database name
 * @param   array    the bookmark parameters for the current user
 * @param   integer  the id of the bookmark to get
 *
 * @access  public
 */
function PMA_deleteBookmarks($db, $cfgBookmark, $id)
{
    $query  = 'DELETE FROM ' . PMA_backquote($cfgBookmark['db']) . '.' . PMA_backquote($cfgBookmark['table'])
            . ' WHERE (user = \'' . PMA_sqlAddslashes($cfgBookmark['user']) . '\''
            . '        OR user = \'\')'
            . ' AND id = ' . $id;
    if (isset($GLOBALS['dbh'])) {
        $result = PMA_mysql_query($query, $GLOBALS['dbh']);
    } else {
        $result = PMA_mysql_query($query);
    }
} // end of the 'PMA_deleteBookmarks()' function


/**
 * Bookmark Support
 */
$cfg['Bookmark'] = PMA_getBookmarksParam();

?>