onionupgradescript.class.php

ProjectPier 源码 很好的项目管理程序

<?php

  /**
  * Onion upgrade script will upgrade alpha1 or activeCollab 0.6 to activeCollab 0.7
  *
  * @package ScriptUpgrader.scripts
  * @version 1.0
  * @http://www.projectpier.org/
  */
  class OnionUpgradeScript extends ScriptUpgraderScript {
    
    /**
    * Database connection link
    *
    * @var resource
    */
    private $database_connection = null;
    
    /**
    * Array of files and folders that need to be writable
    *
    * @var array
    */
    private $check_is_writable = array(
      '/config/config.php',
      '/public/files',
      '/cache',
      '/upload'
    ); // array
      
    /**
    * Array of extensions taht need to be loaded
    *
    * @var array
    */
    private $check_extensions = array(
      'mysql', 'gd', 'simplexml'
    ); // array
  
    /**
    * Construct the OnionUpgradeScript
    *
    * @param Output $output
    * @return OnionUpgradeScript
    */
    function __construct(Output $output) {
      parent::__construct($output);
      $this->setVersionFrom('0.6');
      $this->setVersionTo('0.7');
    } // __construct
    
    /**
    * Execute the script
    *
    * @param void
    * @return boolean
    */
    function execute() {
      define('ROOT', realpath(dirname(__FILE__) . '/../../../'));
      
      // ---------------------------------------------------
      //  Load config
      // ---------------------------------------------------
      
      $config_is_set = require_once INSTALLATION_PATH . '/config/config.php';
      if (!$config_is_set) {
        $this->printMessage('Valid config file was not found!', true);
        return false;
      } else {
        $this->printMessage('Config file found and loaded.');
      } // if
      
      // ---------------------------------------------------
      //  Check for version match (pre-0.7.0 had no version?)
      // ---------------------------------------------------

      if (defined('PRODUCT_VERSION') && PRODUCT_VERSION !== '0.6') {
        $this->printMessage('This upgrade script can be used only to upgrade 0.6 to 0.7', true);
        return false;
      } // if

      // ---------------------------------------------------
      //  Check if files and folders are writable
      // ---------------------------------------------------
      
      foreach ($this->check_is_writable as $relative_path) {
        $path = ROOT . $relative_path;
        if (is_file($path)) {
          if (file_is_writable($path)) {
            $this->printMessage("File '$relative_path' exists and is writable");
          } else {
            $this->printMessage("File '$relative_path' is not writable", true);
            return false;
          } // if
        } elseif (is_dir($path)) {
          if (folder_is_writable($path)) {
            $this->printMessage("Folder '$relative_path' exists and is writable");
          } else {
            $this->printMessage("Folder '$relative_path' is not writable", true);
            return false;
          } // if
        } else {
          $this->printMessage("'$relative_path' does not exists on the system", true);
          return false;
        } // if
      } // foreach
      
      // ---------------------------------------------------
      //  Check if extensions are loaded
      // ---------------------------------------------------
      
      foreach ($this->check_extensions as $extension_name) {
        if (extension_loaded($extension_name)) {
          $this->printMessage("Extension '$extension_name' is loaded");
        } else {
          $this->printMessage("Extension '$extension_name' is not loaded", true);
          return false;
        } // if
      } // foreach
      
      // ---------------------------------------------------
      //  Connect to database
      // ---------------------------------------------------
      
      if ($this->database_connection = mysql_connect(DB_HOST, DB_USER, DB_PASS)) {
        if (mysql_select_db(DB_NAME, $this->database_connection)) {
          $this->printMessage('Upgrade script has connected to the database.');
        } else {
          $this->printMessage('Failed to select database ' . DB_NAME);
          return false;
        } // if
      } else {
        $this->printMessage('Failed to connect to database');
        return false;
      } // if
      
      // ---------------------------------------------------
      //  Check MySQL version
      // ---------------------------------------------------
      
      $mysql_version = mysql_get_server_info($this->database_connection);
      if ($mysql_version && version_compare($mysql_version, '4.1', '>=')) {
        $constants['DB_CHARSET'] = 'utf8';
        @mysql_query("SET NAMES 'utf8'", $this->database_connection);
        tpl_assign('default_collation', $default_collation = 'collate utf8_unicode_ci');
        tpl_assign('default_charset', $default_charset = 'DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci');
      } else {
        tpl_assign('default_collation', $default_collation = '');
        tpl_assign('default_charset', $default_charset = '');
      } // if
      
      tpl_assign('table_prefix', TABLE_PREFIX);
      
      // ---------------------------------------------------
      //  Check test query
      // ---------------------------------------------------
      
      $test_table_name = TABLE_PREFIX . 'test_table';
      $test_table_sql = "CREATE TABLE `$test_table_name` (
        `id` int(10) unsigned NOT NULL auto_increment,
        `name` varchar(50) $default_collation NOT NULL default '',
        PRIMARY KEY  (`id`)
      ) ENGINE=InnoDB $default_charset;";
      
      if (@mysql_query($test_table_sql, $this->database_connection)) {
        $this->printMessage('Test query has been executed. Its safe to proceed with database migration.');
        @mysql_query("DROP TABLE `$test_table_name`", $this->database_connection);
      } else {
        $this->printMessage('Failed to executed test query. MySQL said: ' . mysql_error($this->database_connection), true);
        return false;
      } // if
      
      //return ;
      
      // ---------------------------------------------------
      //  Execute migration
      // ---------------------------------------------------
      
      $total_queries = 0;
      $executed_queries = 0;
      $upgrade_script = tpl_fetch(get_template_path('db_migration/onion'));
      
      if ($this->executeMultipleQueries($upgrade_script, $total_queries, $executed_queries, $this->database_connection)) {
        $this->printMessage("Database schema transformations executed (total queries: $total_queries)");
      } else {
        $this->printMessage('Failed to execute DB schema transformations. MySQL said: ' . mysql_error(), true);
        return false;
      } // if
      
      if (!$this->importMessageComments()) {
        return false;
      } // if
      if (!$this->importProjectDocuments()) {
        return false;
      } // if
      $this->cleanApplicationLogs();
      $this->fixConfigFile();