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/phpbb/install/module/install_database/task/ -> create_schema_file.php (source)

   1  <?php
   2  /**
   3   *
   4   * This file is part of the phpBB Forum Software package.
   5   *
   6   * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7   * @license GNU General Public License, version 2 (GPL-2.0)
   8   *
   9   * For full copyright and license information, please see
  10   * the docs/CREDITS.txt file.
  11   *
  12   */
  13  
  14  namespace phpbb\install\module\install_database\task;
  15  
  16  use phpbb\install\exception\resource_limit_reached_exception;
  17  
  18  /**
  19   * Create database schema
  20   */
  21  class create_schema_file extends \phpbb\install\task_base
  22  {
  23      /**
  24       * @var \phpbb\install\helper\config
  25       */
  26      protected $config;
  27  
  28      /**
  29       * @var \phpbb\db\driver\driver_interface
  30       */
  31      protected $db;
  32  
  33      /**
  34       * @var \phpbb\filesystem\filesystem_interface
  35       */
  36      protected $filesystem;
  37  
  38      /**
  39       * @var string
  40       */
  41      protected $phpbb_root_path;
  42  
  43      /**
  44       * @var string
  45       */
  46      protected $php_ext;
  47  
  48      /**
  49       * Constructor
  50       *
  51       * @param \phpbb\install\helper\config                            $config                Installer's config provider
  52       * @param \phpbb\install\helper\database                        $db_helper            Installer's database helper
  53       * @param \phpbb\filesystem\filesystem_interface                $filesystem            Filesystem service
  54       * @param string                                                $phpbb_root_path    Path phpBB's root
  55       * @param string                                                $php_ext            Extension of PHP files
  56       */
  57  	public function __construct(\phpbb\install\helper\config $config,
  58                                  \phpbb\install\helper\database $db_helper,
  59                                  \phpbb\filesystem\filesystem_interface $filesystem,
  60                                  $phpbb_root_path,
  61                                  $php_ext)
  62      {
  63          $dbms = $db_helper->get_available_dbms($config->get('dbms'));
  64          $dbms = $dbms[$config->get('dbms')]['DRIVER'];
  65  
  66          $this->db                = new $dbms();
  67          $this->db->sql_connect(
  68              $config->get('dbhost'),
  69              $config->get('dbuser'),
  70              $config->get('dbpasswd'),
  71              $config->get('dbname'),
  72              $config->get('dbport'),
  73              false,
  74              false
  75          );
  76  
  77          $this->config            = $config;
  78          $this->filesystem        = $filesystem;
  79          $this->phpbb_root_path    = $phpbb_root_path;
  80          $this->php_ext            = $php_ext;
  81  
  82          parent::__construct(true);
  83      }
  84  
  85      /**
  86       * {@inheritdoc}
  87       */
  88  	public function run()
  89      {
  90          // Generate database schema
  91          if ($this->filesystem->exists($this->phpbb_root_path . 'install/schemas/schema.json'))
  92          {
  93              $db_table_schema = @file_get_contents($this->phpbb_root_path . 'install/schemas/schema.json');
  94              $this->config->set('change_table_prefix', true);
  95          }
  96          else
  97          {
  98              global $table_prefix;
  99  
 100              // As this task may take a large amount of time to complete refreshing the page might be necessary for some
 101              // server configurations with limited resources
 102              if (!$this->config->get('pre_schema_forced_refresh', false))
 103              {
 104                  if ($this->config->get_time_remaining() < 5)
 105                  {
 106                      $this->config->set('pre_schema_forced_refresh', true);
 107                      throw new resource_limit_reached_exception();
 108                  }
 109              }
 110  
 111              $table_prefix = $this->config->get('table_prefix');
 112  
 113              if (!defined('CONFIG_TABLE'))
 114              {
 115                  // We need to include the constants file for the table constants
 116                  // when we generate the schema from the migration files.
 117                  include ($this->phpbb_root_path . 'includes/constants.' . $this->php_ext);
 118              }
 119  
 120              $finder = new \phpbb\finder($this->filesystem, $this->phpbb_root_path, null, $this->php_ext);
 121              $migrator_classes = $finder->core_path('phpbb/db/migration/data/')->get_classes();
 122              $factory = new \phpbb\db\tools\factory();
 123              $db_tools = $factory->get($this->db, true);
 124              $schema_generator = new \phpbb\db\migration\schema_generator(
 125                  $migrator_classes,
 126                  new \phpbb\config\config(array()),
 127                  $this->db,
 128                  $db_tools,
 129                  $this->phpbb_root_path,
 130                  $this->php_ext,
 131                  $table_prefix
 132              );
 133              $db_table_schema = $schema_generator->get_schema();
 134              $db_table_schema = json_encode($db_table_schema, JSON_PRETTY_PRINT);
 135  
 136              $this->config->set('change_table_prefix', false);
 137          }
 138  
 139          $fp = @fopen($this->phpbb_root_path . 'store/schema.json', 'wb');
 140          if (!$fp)
 141          {
 142              throw new \Exception('INST_SCHEMA_FILE_NOT_WRITABLE');
 143          }
 144  
 145          fwrite($fp, $db_table_schema);
 146          fclose($fp);
 147      }
 148  
 149      /**
 150       * {@inheritdoc}
 151       */
 152  	static public function get_step_count()
 153      {
 154          return 1;
 155      }
 156  
 157      /**
 158       * {@inheritdoc}
 159       */
 160  	public function get_task_lang_name()
 161      {
 162          return 'TASK_CREATE_DATABASE_SCHEMA_FILE';
 163      }
 164  }


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