source: extensions/MenuRandomPhoto/maintain.class.php @ 31996

<?php

defined('PHPWG_ROOT_PATH') or die('Hacking attempt!');

class MenuRandomPhoto_maintain extends PluginMaintain
{
        private $installed = false;
        
        private $default_conf = array(
                'height' => 150,
                'square' => true,
                'randompicture_preload' => 25,     // number preloaded random pictures
                'title' => 'A random photo',
                'delay' => 4000,
                'apply_to_albums' => 'all',
        );
        
        function __construct($plugin_id)
        {
                parent::__construct($plugin_id);
        }
        
        function install($plugin_version, &$errors=array())
        {
                global $conf;
        
                if (empty($conf['MRP']))
                {
                        conf_update_param('MRP', $this->default_conf, true);
                }
                else
                {
                        $old_conf = safe_unserialize($conf['MRP']);

                        $new_param = 'apply_to_albums';
                        if (empty($old_conf[$new_param]))
                        { // use case: this parameter was added in a new version
                                $old_conf[$new_param] = $this->default_conf[$new_param];
                        }

                        conf_update_param('MRP', $old_conf, true);
                }

                // add a new column to existing CATEGORIES table, if it doesn't already exist
                $result = pwg_query('SHOW COLUMNS FROM `'.CATEGORIES_TABLE.'` LIKE "menurandomphoto_active";');
                if (!pwg_db_num_rows($result))
                {
                        pwg_query('ALTER TABLE `'.CATEGORIES_TABLE.'` ADD `menurandomphoto_active` enum(\'true\', \'false\') default \'false\';');
                }
        
                $this->installed = true;
        }
        
        function activate($plugin_version, &$errors=array())
        {
                if (!$this->installed)
                {
                        $this->install($plugin_version, $errors);
                }
        }
        
        function deactivate()
        {
        }

        /**
        * Plugin (auto)update
        *
        * This function is called when Piwigo detects that the registered version of
        * the plugin is older than the version exposed in main.inc.php
        * Thus it's called after a plugin update from admin panel or a manual update by FTP
        */
        function update($old_version, $new_version, &$errors=array())
        {
                $this->install($new_version, $errors);
        }

        function uninstall()
        {
                conf_delete_param('MRP');
            // delete field
        pwg_query('ALTER TABLE `'. CATEGORIES_TABLE .'` DROP COLUMN `menurandomphoto_active`;');
        }
}

?>