root/trunk/owa_install.php

<?php

//
// Open Web Analytics - An Open Source Web Analytics Framework
//
// Copyright 2006 Peter Adams. All rights reserved.
//
// Licensed under GPL v2.0 http://www.gnu.org/copyleft/gpl.html
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// $Id$
//

require_once (OWA_BASE_DIR.'/owa_base.php');

/**
 * Install Abstract Class
 * 
 * @author      Peter Adams <peter@openwebanalytics.com>
 * @copyright   Copyright &copy; 2006 Peter Adams <peter@openwebanalytics.com>
 * @license     http://www.gnu.org/copyleft/gpl.html GPL v2.0
 * @category    owa
 * @package     owa
 * @version             $Revision$            
 * @since               owa 1.0.0
 */
class owa_install extends owa_base{
        
        /**
         * Data access object
         *
         * @var object
         */
        var $db;
        
        /**
         * Version of string
         *
         * @var string
         */
        var $version;
        
        /**
         * Params array
         *
         * @var array
         */
        var $params;
        
        /**
         * Module name
         *
         * @var unknown_type
         */
        var $module;
        
        /**
         * Constructor
         *
         * @return owa_install
         */

        function owa_install() {
                
                $this->owa_base();
                $this->db = &owa_coreAPI::dbSingleton();
                
                return;
        }
        
        /**
         * Check to see if schema is installed
         *
         * @return boolean
         */
        function checkForSchema() {
                
                $table_check = array();
                //$this->e->notice(print_r($this->tables, true));
                // test for existance of tables
                foreach ($this->tables as $table) {
                        $this->e->notice('Testing for existance of table: '. $table);
                        $check = $this->db->get_results(sprintf("show tables like 'owa_%s'", $table));
                        //$this->e->notice(print_r($check, true));
                        
                        // if a table is missing add it to this array
                        if (empty($check)):
                                $table_check[] = $table;
                                $this->e->notice('Did not find table: '. $table);
                        else:
                                $this->e->notice('Table '. $table. ' already exists.');
                        endif;
                }
                
                if (!empty($table_check)):
                        //$this->e->notice(sprintf("Schema Check: Tables '%s' are missing.", implode(',', $table_check)));
                        $this->e->notice(sprintf("Schema Check: Tables to install: %s", print_r($table_check, true)));

                        return $table_check;
                else:   
                        return false;
                endif;
                
        }
        
}

?>