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- Veröffentlicht
- 06.01.2017
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add_tables.php
001 <?php
002 /**
003 *
004 * This file is part of the phpBB Forum Software package.
005 *
006 * @copyright (c) phpBB Limited <https://www.phpbb.com>
007 * @license GNU General Public License, version 2 (GPL-2.0)
008 *
009 * For full copyright and license information, please see
010 * the docs/CREDITS.txt file.
011 *
012 */
013
014 namespace phpbb\install\module\install_database\task;
015
016 use phpbb\install\exception\resource_limit_reached_exception;
017
018 /**
019 * Create tables
020 */
021 class add_tables extends \phpbb\install\task_base
022 {
023 /**
024 * @var \phpbb\install\helper\config
025 */
026 protected $config;
027
028 /**
029 * @var \phpbb\db\driver\driver_interface
030 */
031 protected $db;
032
033 /**
034 * @var \phpbb\db\tools\tools_interface
035 */
036 protected $db_tools;
037
038 /**
039 * @var \phpbb\filesystem\filesystem_interface
040 */
041 protected $filesystem;
042
043 /**
044 * @var string
045 */
046 protected $schema_file_path;
047
048 /**
049 * Constructor
050 *
051 * @param \phpbb\install\helper\config $config
052 * @param \phpbb\install\helper\database $db_helper
053 * @param \phpbb\filesystem\filesystem_interface $filesystem
054 * @param string $phpbb_root_path
055 */
056 public function __construct(\phpbb\install\helper\config $config,
057 \phpbb\install\helper\database $db_helper,
058 \phpbb\filesystem\filesystem_interface $filesystem,
059 $phpbb_root_path)
060 {
061 $dbms = $db_helper->get_available_dbms($config->get('dbms'));
062 $dbms = $dbms[$config->get('dbms')]['DRIVER'];
063 $factory = new \phpbb\db\tools\factory();
064
065 $this->db = new $dbms();
066 $this->db->sql_connect(
067 $config->get('dbhost'),
068 $config->get('dbuser'),
069 $config->get('dbpasswd'),
070 $config->get('dbname'),
071 $config->get('dbport'),
072 false,
073 false
074 );
075
076 $this->config = $config;
077 $this->db_tools = $factory->get($this->db);
078 $this->filesystem = $filesystem;
079 $this->schema_file_path = $phpbb_root_path . 'store/schema.json';
080
081 parent::__construct(true);
082 }
083
084 /**
085 * {@inheritdoc}
086 */
087 public function run()
088 {
089 $this->db->sql_return_on_error(true);
090
091 $table_prefix = $this->config->get('table_prefix');
092 $change_prefix = $this->config->get('change_table_prefix', true);
093
094 if (!defined('CONFIG_TABLE'))
095 {
096 // CONFIG_TABLE is required by sql_create_index() to check the
097 // length of index names. However table_prefix is not defined
098 // here yet, so we need to create the constant ourselves.
099 define('CONFIG_TABLE', $table_prefix . 'config');
100 }
101
102 $db_table_schema = @file_get_contents($this->schema_file_path);
103 $db_table_schema = json_decode($db_table_schema, true);
104 $total = sizeof($db_table_schema);
105 $i = $this->config->get('add_table_index', 0);
106 $db_table_schema = array_slice($db_table_schema, $i);
107
108 foreach ($db_table_schema as $table_name => $table_data)
109 {
110 $i++;
111
112 $this->db_tools->sql_create_table(
113 ( ($change_prefix) ? ($table_prefix . substr($table_name, 6)) : $table_name ),
114 $table_data
115 );
116
117 // Stop execution if resource limit is reached
118 if ($this->config->get_time_remaining() <= 0 || $this->config->get_memory_remaining() <= 0)
119 {
120 break;
121 }
122 }
123
124 $this->config->set('add_table_index', $i);
125
126 if ($i < $total)
127 {
128 throw new resource_limit_reached_exception();
129 }
130 else
131 {
132 @unlink($this->schema_file_path);
133 }
134 }
135
136 /**
137 * {@inheritdoc}
138 */
139 static public function get_step_count()
140 {
141 return 1;
142 }
143
144 /**
145 * {@inheritdoc}
146 */
147 public function get_task_lang_name()
148 {
149 return 'TASK_CREATE_TABLES';
150 }
151 }
152