pictcode / lib / Cake / Model / CakeSchema.php @ 635eef61
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| 1 | 635eef61 | spyder1211 | <?php
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| 2 | /**
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| 3 | * Schema database management for CakePHP.
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| 4 | *
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| 5 | * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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| 6 | * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 7 | *
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| 8 | * Licensed under The MIT License
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| 9 | * For full copyright and license information, please see the LICENSE.txt
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| 10 | * Redistributions of files must retain the above copyright notice.
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| 11 | *
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| 12 | * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 13 | * @link http://cakephp.org CakePHP(tm) Project
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| 14 | * @package Cake.Model
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| 15 | * @since CakePHP(tm) v 1.2.0.5550
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| 16 | * @license http://www.opensource.org/licenses/mit-license.php MIT License
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| 17 | */
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| 18 | |||
| 19 | App::uses('Model', 'Model'); |
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| 20 | App::uses('AppModel', 'Model'); |
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| 21 | App::uses('ConnectionManager', 'Model'); |
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| 22 | App::uses('File', 'Utility'); |
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| 23 | |||
| 24 | /**
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| 25 | * Base Class for Schema management.
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| 26 | *
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| 27 | * @package Cake.Model
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| 28 | */
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| 29 | class CakeSchema extends Object { |
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| 30 | |||
| 31 | /**
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| 32 | * Name of the schema.
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| 33 | *
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| 34 | * @var string
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| 35 | */
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| 36 | public $name = null; |
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| 37 | |||
| 38 | /**
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| 39 | * Path to write location.
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| 40 | *
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| 41 | * @var string
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| 42 | */
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| 43 | public $path = null; |
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| 44 | |||
| 45 | /**
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| 46 | * File to write.
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| 47 | *
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| 48 | * @var string
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| 49 | */
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| 50 | public $file = 'schema.php'; |
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| 51 | |||
| 52 | /**
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| 53 | * Connection used for read.
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| 54 | *
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| 55 | * @var string
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| 56 | */
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| 57 | public $connection = 'default'; |
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| 58 | |||
| 59 | /**
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| 60 | * Plugin name.
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| 61 | *
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| 62 | * @var string
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| 63 | */
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| 64 | public $plugin = null; |
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| 65 | |||
| 66 | /**
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| 67 | * Set of tables.
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| 68 | *
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| 69 | * @var array
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| 70 | */
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| 71 | public $tables = array(); |
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| 72 | |||
| 73 | /**
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| 74 | * Constructor
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| 75 | *
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| 76 | * @param array $options Optional load object properties.
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| 77 | */
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| 78 | public function __construct($options = array()) { |
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| 79 | parent::__construct();
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| 80 | |||
| 81 | if (empty($options['name'])) { |
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| 82 | $this->name = preg_replace('/schema$/i', '', get_class($this)); |
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| 83 | } |
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| 84 | if (!empty($options['plugin'])) { |
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| 85 | $this->plugin = $options['plugin']; |
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| 86 | } |
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| 87 | |||
| 88 | if (strtolower($this->name) === 'cake') { |
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| 89 | $this->name = 'App'; |
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| 90 | } |
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| 91 | |||
| 92 | if (empty($options['path'])) { |
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| 93 | $this->path = APP . 'Config' . DS . 'Schema'; |
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| 94 | } |
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| 95 | |||
| 96 | $options = array_merge(get_object_vars($this), $options); |
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| 97 | $this->build($options); |
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| 98 | } |
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| 99 | |||
| 100 | /**
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| 101 | * Builds schema object properties.
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| 102 | *
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| 103 | * @param array $data Loaded object properties.
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| 104 | * @return void
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| 105 | */
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| 106 | public function build($data) { |
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| 107 | $file = null; |
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| 108 | foreach ($data as $key => $val) { |
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| 109 | if (!empty($val)) { |
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| 110 | if (!in_array($key, array('plugin', 'name', 'path', 'file', 'connection', 'tables', '_log'))) { |
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| 111 | if ($key[0] === '_') { |
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| 112 | continue;
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| 113 | } |
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| 114 | $this->tables[$key] = $val; |
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| 115 | unset($this->{$key}); |
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| 116 | } elseif ($key !== 'tables') { |
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| 117 | if ($key === 'name' && $val !== $this->name && !isset($data['file'])) { |
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| 118 | $file = Inflector::underscore($val) . '.php'; |
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| 119 | } |
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| 120 | $this->{$key} = $val; |
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| 121 | } |
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| 122 | } |
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| 123 | } |
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| 124 | if (file_exists($this->path . DS . $file) && is_file($this->path . DS . $file)) { |
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| 125 | $this->file = $file; |
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| 126 | } elseif (!empty($this->plugin)) { |
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| 127 | $this->path = CakePlugin::path($this->plugin) . 'Config' . DS . 'Schema'; |
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| 128 | } |
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| 129 | } |
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| 130 | |||
| 131 | /**
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| 132 | * Before callback to be implemented in subclasses.
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| 133 | *
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| 134 | * @param array $event Schema object properties.
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| 135 | * @return bool Should process continue.
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| 136 | */
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| 137 | public function before($event = array()) { |
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| 138 | return true; |
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| 139 | } |
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| 140 | |||
| 141 | /**
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| 142 | * After callback to be implemented in subclasses.
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| 143 | *
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| 144 | * @param array $event Schema object properties.
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| 145 | * @return void
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| 146 | */
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| 147 | public function after($event = array()) { |
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| 148 | } |
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| 149 | |||
| 150 | /**
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| 151 | * Reads database and creates schema tables.
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| 152 | *
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| 153 | * @param array $options Schema object properties.
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| 154 | * @return array Set of name and tables.
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| 155 | */
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| 156 | public function load($options = array()) { |
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| 157 | if (is_string($options)) { |
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| 158 | $options = array('path' => $options); |
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| 159 | } |
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| 160 | |||
| 161 | $this->build($options); |
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| 162 | extract(get_object_vars($this)); |
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| 163 | |||
| 164 | $class = $name . 'Schema'; |
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| 165 | |||
| 166 | if (!class_exists($class) && !$this->_requireFile($path, $file)) { |
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| 167 | $class = Inflector::camelize(Inflector::slug(Configure::read('App.dir'))) . 'Schema'; |
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| 168 | if (!class_exists($class)) { |
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| 169 | $this->_requireFile($path, $file); |
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| 170 | } |
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| 171 | } |
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| 172 | |||
| 173 | if (class_exists($class)) { |
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| 174 | $Schema = new $class($options); |
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| 175 | return $Schema; |
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| 176 | } |
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| 177 | return false; |
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| 178 | } |
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| 179 | |||
| 180 | /**
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| 181 | * Reads database and creates schema tables.
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| 182 | *
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| 183 | * Options
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| 184 | *
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| 185 | * - 'connection' - the db connection to use
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| 186 | * - 'name' - name of the schema
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| 187 | * - 'models' - a list of models to use, or false to ignore models
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| 188 | *
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| 189 | * @param array $options Schema object properties.
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| 190 | * @return array Array indexed by name and tables.
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| 191 | */
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| 192 | public function read($options = array()) { |
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| 193 | extract(array_merge( |
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| 194 | array(
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| 195 | 'connection' => $this->connection, |
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| 196 | 'name' => $this->name, |
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| 197 | 'models' => true, |
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| 198 | ), |
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| 199 | $options
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| 200 | )); |
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| 201 | $db = ConnectionManager::getDataSource($connection); |
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| 202 | |||
| 203 | if (isset($this->plugin)) { |
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| 204 | App::uses($this->plugin . 'AppModel', $this->plugin . '.Model'); |
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| 205 | } |
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| 206 | |||
| 207 | $tables = array(); |
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| 208 | $currentTables = (array)$db->listSources(); |
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| 209 | |||
| 210 | $prefix = null; |
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| 211 | if (isset($db->config['prefix'])) { |
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| 212 | $prefix = $db->config['prefix']; |
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| 213 | } |
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| 214 | |||
| 215 | if (!is_array($models) && $models !== false) { |
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| 216 | if (isset($this->plugin)) { |
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| 217 | $models = App::objects($this->plugin . '.Model', null, false); |
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| 218 | } else {
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| 219 | $models = App::objects('Model'); |
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| 220 | } |
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| 221 | } |
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| 222 | |||
| 223 | if (is_array($models)) { |
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| 224 | foreach ($models as $model) { |
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| 225 | $importModel = $model; |
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| 226 | $plugin = null; |
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| 227 | if ($model === 'AppModel') { |
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| 228 | continue;
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| 229 | } |
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| 230 | |||
| 231 | if (isset($this->plugin)) { |
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| 232 | if ($model === $this->plugin . 'AppModel') { |
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| 233 | continue;
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| 234 | } |
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| 235 | $importModel = $model; |
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| 236 | $plugin = $this->plugin . '.'; |
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| 237 | } |
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| 238 | |||
| 239 | App::uses($importModel, $plugin . 'Model'); |
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| 240 | if (!class_exists($importModel)) { |
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| 241 | continue;
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| 242 | } |
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| 243 | |||
| 244 | $vars = get_class_vars($model); |
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| 245 | if (empty($vars['useDbConfig']) || $vars['useDbConfig'] != $connection) { |
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| 246 | continue;
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| 247 | } |
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| 248 | |||
| 249 | try {
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| 250 | $Object = ClassRegistry::init(array('class' => $model, 'ds' => $connection)); |
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| 251 | } catch (CakeException $e) { |
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| 252 | continue;
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| 253 | } |
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| 254 | |||
| 255 | if (!is_object($Object) || $Object->useTable === false) { |
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| 256 | continue;
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| 257 | } |
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| 258 | $db = $Object->getDataSource(); |
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| 259 | |||
| 260 | $fulltable = $table = $db->fullTableName($Object, false, false); |
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| 261 | if ($prefix && strpos($table, $prefix) !== 0) { |
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| 262 | continue;
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| 263 | } |
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| 264 | if (!in_array($fulltable, $currentTables)) { |
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| 265 | continue;
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| 266 | } |
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| 267 | |||
| 268 | $table = $this->_noPrefixTable($prefix, $table); |
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| 269 | |||
| 270 | $key = array_search($fulltable, $currentTables); |
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| 271 | if (empty($tables[$table])) { |
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| 272 | $tables[$table] = $this->_columns($Object); |
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| 273 | $tables[$table]['indexes'] = $db->index($Object); |
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| 274 | $tables[$table]['tableParameters'] = $db->readTableParameters($fulltable); |
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| 275 | unset($currentTables[$key]); |
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| 276 | } |
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| 277 | if (empty($Object->hasAndBelongsToMany)) { |
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| 278 | continue;
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| 279 | } |
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| 280 | foreach ($Object->hasAndBelongsToMany as $assocData) { |
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| 281 | if (isset($assocData['with'])) { |
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| 282 | $class = $assocData['with']; |
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| 283 | } |
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| 284 | if (!is_object($Object->$class)) { |
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| 285 | continue;
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| 286 | } |
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| 287 | $withTable = $db->fullTableName($Object->$class, false, false); |
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| 288 | if ($prefix && strpos($withTable, $prefix) !== 0) { |
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| 289 | continue;
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| 290 | } |
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| 291 | if (in_array($withTable, $currentTables)) { |
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| 292 | $key = array_search($withTable, $currentTables); |
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| 293 | $noPrefixWith = $this->_noPrefixTable($prefix, $withTable); |
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| 294 | |||
| 295 | $tables[$noPrefixWith] = $this->_columns($Object->$class); |
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| 296 | $tables[$noPrefixWith]['indexes'] = $db->index($Object->$class); |
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| 297 | $tables[$noPrefixWith]['tableParameters'] = $db->readTableParameters($withTable); |
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| 298 | unset($currentTables[$key]); |
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| 299 | } |
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| 300 | } |
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| 301 | } |
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| 302 | } |
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| 303 | |||
| 304 | if (!empty($currentTables)) { |
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| 305 | foreach ($currentTables as $table) { |
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| 306 | if ($prefix) { |
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| 307 | if (strpos($table, $prefix) !== 0) { |
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| 308 | continue;
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| 309 | } |
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| 310 | $table = $this->_noPrefixTable($prefix, $table); |
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| 311 | } |
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| 312 | $Object = new AppModel(array( |
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| 313 | 'name' => Inflector::classify($table), 'table' => $table, 'ds' => $connection |
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| 314 | )); |
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| 315 | |||
| 316 | $systemTables = array( |
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| 317 | 'aros', 'acos', 'aros_acos', Configure::read('Session.table'), 'i18n' |
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| 318 | ); |
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| 319 | |||
| 320 | $fulltable = $db->fullTableName($Object, false, false); |
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| 321 | |||
| 322 | if (in_array($table, $systemTables)) { |
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| 323 | $tables[$Object->table] = $this->_columns($Object); |
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| 324 | $tables[$Object->table]['indexes'] = $db->index($Object); |
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| 325 | $tables[$Object->table]['tableParameters'] = $db->readTableParameters($fulltable); |
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| 326 | } elseif ($models === false) { |
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| 327 | $tables[$table] = $this->_columns($Object); |
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| 328 | $tables[$table]['indexes'] = $db->index($Object); |
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| 329 | $tables[$table]['tableParameters'] = $db->readTableParameters($fulltable); |
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| 330 | } else {
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| 331 | $tables['missing'][$table] = $this->_columns($Object); |
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| 332 | $tables['missing'][$table]['indexes'] = $db->index($Object); |
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| 333 | $tables['missing'][$table]['tableParameters'] = $db->readTableParameters($fulltable); |
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| 334 | } |
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| 335 | } |
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| 336 | } |
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| 337 | |||
| 338 | ksort($tables); |
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| 339 | return compact('name', 'tables'); |
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| 340 | } |
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| 341 | |||
| 342 | /**
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| 343 | * Writes schema file from object or options.
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| 344 | *
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| 345 | * @param array|object $object Schema object or options array.
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| 346 | * @param array $options Schema object properties to override object.
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| 347 | * @return mixed False or string written to file.
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| 348 | */
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| 349 | public function write($object, $options = array()) { |
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| 350 | if (is_object($object)) { |
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| 351 | $object = get_object_vars($object); |
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| 352 | $this->build($object); |
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| 353 | } |
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| 354 | |||
| 355 | if (is_array($object)) { |
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| 356 | $options = $object; |
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| 357 | unset($object); |
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| 358 | } |
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| 359 | |||
| 360 | extract(array_merge( |
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| 361 | get_object_vars($this), $options |
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| 362 | )); |
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| 363 | |||
| 364 | $out = "class {$name}Schema extends CakeSchema {\n\n"; |
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| 365 | |||
| 366 | if ($path !== $this->path) { |
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| 367 | $out .= "\tpublic \$path = '{$path}';\n\n"; |
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| 368 | } |
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| 369 | |||
| 370 | if ($file !== $this->file) { |
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| 371 | $out .= "\tpublic \$file = '{$file}';\n\n"; |
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| 372 | } |
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| 373 | |||
| 374 | if ($connection !== 'default') { |
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| 375 | $out .= "\tpublic \$connection = '{$connection}';\n\n"; |
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| 376 | } |
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| 377 | |||
| 378 | $out .= "\tpublic function before(\$event = array()) {\n\t\treturn true;\n\t}\n\n\tpublic function after(\$event = array()) {\n\t}\n\n"; |
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| 379 | |||
| 380 | if (empty($tables)) { |
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| 381 | $this->read();
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| 382 | } |
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| 383 | |||
| 384 | foreach ($tables as $table => $fields) { |
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| 385 | if (!is_numeric($table) && $table !== 'missing') { |
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| 386 | $out .= $this->generateTable($table, $fields); |
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| 387 | } |
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| 388 | } |
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| 389 | $out .= "}\n"; |
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| 390 | |||
| 391 | $file = new File($path . DS . $file, true); |
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| 392 | $content = "<?php \n{$out}"; |
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| 393 | if ($file->write($content)) { |
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| 394 | return $content; |
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| 395 | } |
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| 396 | return false; |
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| 397 | } |
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| 398 | |||
| 399 | /**
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| 400 | * Generate the schema code for a table.
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| 401 | *
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| 402 | * Takes a table name and $fields array and returns a completed,
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| 403 | * escaped variable declaration to be used in schema classes.
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| 404 | *
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| 405 | * @param string $table Table name you want returned.
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| 406 | * @param array $fields Array of field information to generate the table with.
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| 407 | * @return string Variable declaration for a schema class.
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| 408 | */
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| 409 | public function generateTable($table, $fields) { |
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| 410 | $out = "\tpublic \${$table} = array(\n"; |
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| 411 | if (is_array($fields)) { |
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| 412 | $cols = array(); |
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| 413 | foreach ($fields as $field => $value) { |
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| 414 | if ($field !== 'indexes' && $field !== 'tableParameters') { |
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| 415 | if (is_string($value)) { |
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| 416 | $type = $value; |
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| 417 | $value = array('type' => $type); |
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| 418 | } |
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| 419 | $col = "\t\t'{$field}' => array('type' => '" . $value['type'] . "', "; |
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| 420 | unset($value['type']); |
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| 421 | $col .= implode(', ', $this->_values($value)); |
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| 422 | } elseif ($field === 'indexes') { |
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| 423 | $col = "\t\t'indexes' => array(\n\t\t\t"; |
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| 424 | $props = array(); |
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| 425 | foreach ((array)$value as $key => $index) { |
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| 426 | $props[] = "'{$key}' => array(" . implode(', ', $this->_values($index)) . ")"; |
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| 427 | } |
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| 428 | $col .= implode(",\n\t\t\t", $props) . "\n\t\t"; |
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| 429 | } elseif ($field === 'tableParameters') { |
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| 430 | $col = "\t\t'tableParameters' => array("; |
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| 431 | $props = $this->_values($value); |
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| 432 | $col .= implode(', ', $props); |
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| 433 | } |
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| 434 | $col .= ")"; |
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| 435 | $cols[] = $col; |
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| 436 | } |
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| 437 | $out .= implode(",\n", $cols); |
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| 438 | } |
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| 439 | $out .= "\n\t);\n\n"; |
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| 440 | return $out; |
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| 441 | } |
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| 442 | |||
| 443 | /**
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| 444 | * Compares two sets of schemas.
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| 445 | *
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| 446 | * @param array|object $old Schema object or array.
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| 447 | * @param array|object $new Schema object or array.
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| 448 | * @return array Tables (that are added, dropped, or changed.)
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| 449 | */
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| 450 | public function compare($old, $new = null) { |
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| 451 | if (empty($new)) { |
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| 452 | $new = $this; |
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| 453 | } |
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| 454 | if (is_array($new)) { |
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| 455 | if (isset($new['tables'])) { |
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| 456 | $new = $new['tables']; |
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| 457 | } |
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| 458 | } else {
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| 459 | $new = $new->tables; |
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| 460 | } |
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| 461 | |||
| 462 | if (is_array($old)) { |
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| 463 | if (isset($old['tables'])) { |
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| 464 | $old = $old['tables']; |
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| 465 | } |
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| 466 | } else {
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| 467 | $old = $old->tables; |
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| 468 | } |
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| 469 | $tables = array(); |
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| 470 | foreach ($new as $table => $fields) { |
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| 471 | if ($table === 'missing') { |
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| 472 | continue;
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| 473 | } |
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| 474 | if (!array_key_exists($table, $old)) { |
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| 475 | $tables[$table]['create'] = $fields; |
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| 476 | } else {
|
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| 477 | $diff = $this->_arrayDiffAssoc($fields, $old[$table]); |
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| 478 | if (!empty($diff)) { |
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| 479 | $tables[$table]['add'] = $diff; |
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| 480 | } |
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| 481 | $diff = $this->_arrayDiffAssoc($old[$table], $fields); |
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| 482 | if (!empty($diff)) { |
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| 483 | $tables[$table]['drop'] = $diff; |
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| 484 | } |
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| 485 | } |
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| 486 | |||
| 487 | foreach ($fields as $field => $value) { |
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| 488 | if (!empty($old[$table][$field])) { |
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| 489 | $diff = $this->_arrayDiffAssoc($value, $old[$table][$field]); |
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| 490 | if (!empty($diff) && $field !== 'indexes' && $field !== 'tableParameters') { |
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| 491 | $tables[$table]['change'][$field] = $value; |
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| 492 | } |
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| 493 | } |
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| 494 | |||
| 495 | if (isset($tables[$table]['add'][$field]) && $field !== 'indexes' && $field !== 'tableParameters') { |
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| 496 | $wrapper = array_keys($fields); |
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| 497 | if ($column = array_search($field, $wrapper)) { |
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| 498 | if (isset($wrapper[$column - 1])) { |
||
| 499 | $tables[$table]['add'][$field]['after'] = $wrapper[$column - 1]; |
||
| 500 | } |
||
| 501 | } |
||
| 502 | } |
||
| 503 | } |
||
| 504 | |||
| 505 | if (isset($old[$table]['indexes']) && isset($new[$table]['indexes'])) { |
||
| 506 | $diff = $this->_compareIndexes($new[$table]['indexes'], $old[$table]['indexes']); |
||
| 507 | if ($diff) { |
||
| 508 | if (!isset($tables[$table])) { |
||
| 509 | $tables[$table] = array(); |
||
| 510 | } |
||
| 511 | if (isset($diff['drop'])) { |
||
| 512 | $tables[$table]['drop']['indexes'] = $diff['drop']; |
||
| 513 | } |
||
| 514 | if ($diff && isset($diff['add'])) { |
||
| 515 | $tables[$table]['add']['indexes'] = $diff['add']; |
||
| 516 | } |
||
| 517 | } |
||
| 518 | } |
||
| 519 | if (isset($old[$table]['tableParameters']) && isset($new[$table]['tableParameters'])) { |
||
| 520 | $diff = $this->_compareTableParameters($new[$table]['tableParameters'], $old[$table]['tableParameters']); |
||
| 521 | if ($diff) { |
||
| 522 | $tables[$table]['change']['tableParameters'] = $diff; |
||
| 523 | } |
||
| 524 | } |
||
| 525 | } |
||
| 526 | return $tables; |
||
| 527 | } |
||
| 528 | |||
| 529 | /**
|
||
| 530 | * Extended array_diff_assoc noticing change from/to NULL values.
|
||
| 531 | *
|
||
| 532 | * It behaves almost the same way as array_diff_assoc except for NULL values: if
|
||
| 533 | * one of the values is not NULL - change is detected. It is useful in situation
|
||
| 534 | * where one value is strval('') ant other is strval(null) - in string comparing
|
||
| 535 | * methods this results as EQUAL, while it is not.
|
||
| 536 | *
|
||
| 537 | * @param array $array1 Base array.
|
||
| 538 | * @param array $array2 Corresponding array checked for equality.
|
||
| 539 | * @return array Difference as array with array(keys => values) from input array
|
||
| 540 | * where match was not found.
|
||
| 541 | */
|
||
| 542 | protected function _arrayDiffAssoc($array1, $array2) { |
||
| 543 | $difference = array(); |
||
| 544 | foreach ($array1 as $key => $value) { |
||
| 545 | if (!array_key_exists($key, $array2)) { |
||
| 546 | $difference[$key] = $value; |
||
| 547 | continue;
|
||
| 548 | } |
||
| 549 | $correspondingValue = $array2[$key]; |
||
| 550 | if (($value === null) !== ($correspondingValue === null)) { |
||
| 551 | $difference[$key] = $value; |
||
| 552 | continue;
|
||
| 553 | } |
||
| 554 | if (is_bool($value) !== is_bool($correspondingValue)) { |
||
| 555 | $difference[$key] = $value; |
||
| 556 | continue;
|
||
| 557 | } |
||
| 558 | if (is_array($value) && is_array($correspondingValue)) { |
||
| 559 | continue;
|
||
| 560 | } |
||
| 561 | if ($value === $correspondingValue) { |
||
| 562 | continue;
|
||
| 563 | } |
||
| 564 | $difference[$key] = $value; |
||
| 565 | } |
||
| 566 | return $difference; |
||
| 567 | } |
||
| 568 | |||
| 569 | /**
|
||
| 570 | * Formats Schema columns from Model Object.
|
||
| 571 | *
|
||
| 572 | * @param array $values Options keys(type, null, default, key, length, extra).
|
||
| 573 | * @return array Formatted values.
|
||
| 574 | */
|
||
| 575 | protected function _values($values) { |
||
| 576 | $vals = array(); |
||
| 577 | if (is_array($values)) { |
||
| 578 | foreach ($values as $key => $val) { |
||
| 579 | if (is_array($val)) { |
||
| 580 | $vals[] = "'{$key}' => array(" . implode(", ", $this->_values($val)) . ")"; |
||
| 581 | } else {
|
||
| 582 | $val = var_export($val, true); |
||
| 583 | if ($val === 'NULL') { |
||
| 584 | $val = 'null'; |
||
| 585 | } |
||
| 586 | if (!is_numeric($key)) { |
||
| 587 | $vals[] = "'{$key}' => {$val}"; |
||
| 588 | } else {
|
||
| 589 | $vals[] = "{$val}"; |
||
| 590 | } |
||
| 591 | } |
||
| 592 | } |
||
| 593 | } |
||
| 594 | return $vals; |
||
| 595 | } |
||
| 596 | |||
| 597 | /**
|
||
| 598 | * Formats Schema columns from Model Object.
|
||
| 599 | *
|
||
| 600 | * @param array &$Obj model object.
|
||
| 601 | * @return array Formatted columns.
|
||
| 602 | */
|
||
| 603 | protected function _columns(&$Obj) { |
||
| 604 | $db = $Obj->getDataSource(); |
||
| 605 | $fields = $Obj->schema(true); |
||
| 606 | |||
| 607 | $columns = array(); |
||
| 608 | foreach ($fields as $name => $value) { |
||
| 609 | if ($Obj->primaryKey === $name) { |
||
| 610 | $value['key'] = 'primary'; |
||
| 611 | } |
||
| 612 | if (!isset($db->columns[$value['type']])) { |
||
| 613 | trigger_error(__d('cake_dev', 'Schema generation error: invalid column type %s for %s.%s does not exist in DBO', $value['type'], $Obj->name, $name), E_USER_NOTICE); |
||
| 614 | continue;
|
||
| 615 | } else {
|
||
| 616 | $defaultCol = $db->columns[$value['type']]; |
||
| 617 | if (isset($defaultCol['limit']) && $defaultCol['limit'] == $value['length']) { |
||
| 618 | unset($value['length']); |
||
| 619 | } elseif (isset($defaultCol['length']) && $defaultCol['length'] == $value['length']) { |
||
| 620 | unset($value['length']); |
||
| 621 | } |
||
| 622 | unset($value['limit']); |
||
| 623 | } |
||
| 624 | |||
| 625 | if (isset($value['default']) && ($value['default'] === '' || ($value['default'] === false && $value['type'] !== 'boolean'))) { |
||
| 626 | unset($value['default']); |
||
| 627 | } |
||
| 628 | if (empty($value['length'])) { |
||
| 629 | unset($value['length']); |
||
| 630 | } |
||
| 631 | if (empty($value['key'])) { |
||
| 632 | unset($value['key']); |
||
| 633 | } |
||
| 634 | $columns[$name] = $value; |
||
| 635 | } |
||
| 636 | |||
| 637 | return $columns; |
||
| 638 | } |
||
| 639 | |||
| 640 | /**
|
||
| 641 | * Compare two schema files table Parameters.
|
||
| 642 | *
|
||
| 643 | * @param array $new New indexes.
|
||
| 644 | * @param array $old Old indexes.
|
||
| 645 | * @return mixed False on failure, or an array of parameters to add & drop.
|
||
| 646 | */
|
||
| 647 | protected function _compareTableParameters($new, $old) { |
||
| 648 | if (!is_array($new) || !is_array($old)) { |
||
| 649 | return false; |
||
| 650 | } |
||
| 651 | $change = $this->_arrayDiffAssoc($new, $old); |
||
| 652 | return $change; |
||
| 653 | } |
||
| 654 | |||
| 655 | /**
|
||
| 656 | * Compare two schema indexes.
|
||
| 657 | *
|
||
| 658 | * @param array $new New indexes.
|
||
| 659 | * @param array $old Old indexes.
|
||
| 660 | * @return mixed False on failure or array of indexes to add and drop.
|
||
| 661 | */
|
||
| 662 | protected function _compareIndexes($new, $old) { |
||
| 663 | if (!is_array($new) || !is_array($old)) { |
||
| 664 | return false; |
||
| 665 | } |
||
| 666 | |||
| 667 | $add = $drop = array(); |
||
| 668 | |||
| 669 | $diff = $this->_arrayDiffAssoc($new, $old); |
||
| 670 | if (!empty($diff)) { |
||
| 671 | $add = $diff; |
||
| 672 | } |
||
| 673 | |||
| 674 | $diff = $this->_arrayDiffAssoc($old, $new); |
||
| 675 | if (!empty($diff)) { |
||
| 676 | $drop = $diff; |
||
| 677 | } |
||
| 678 | |||
| 679 | foreach ($new as $name => $value) { |
||
| 680 | if (isset($old[$name])) { |
||
| 681 | $newUnique = isset($value['unique']) ? $value['unique'] : 0; |
||
| 682 | $oldUnique = isset($old[$name]['unique']) ? $old[$name]['unique'] : 0; |
||
| 683 | $newColumn = $value['column']; |
||
| 684 | $oldColumn = $old[$name]['column']; |
||
| 685 | |||
| 686 | $diff = false; |
||
| 687 | |||
| 688 | if ($newUnique != $oldUnique) { |
||
| 689 | $diff = true; |
||
| 690 | } elseif (is_array($newColumn) && is_array($oldColumn)) { |
||
| 691 | $diff = ($newColumn !== $oldColumn); |
||
| 692 | } elseif (is_string($newColumn) && is_string($oldColumn)) { |
||
| 693 | $diff = ($newColumn != $oldColumn); |
||
| 694 | } else {
|
||
| 695 | $diff = true; |
||
| 696 | } |
||
| 697 | if ($diff) { |
||
| 698 | $drop[$name] = null; |
||
| 699 | $add[$name] = $value; |
||
| 700 | } |
||
| 701 | } |
||
| 702 | } |
||
| 703 | return array_filter(compact('add', 'drop')); |
||
| 704 | } |
||
| 705 | |||
| 706 | /**
|
||
| 707 | * Trim the table prefix from the full table name, and return the prefix-less
|
||
| 708 | * table.
|
||
| 709 | *
|
||
| 710 | * @param string $prefix Table prefix.
|
||
| 711 | * @param string $table Full table name.
|
||
| 712 | * @return string Prefix-less table name.
|
||
| 713 | */
|
||
| 714 | protected function _noPrefixTable($prefix, $table) { |
||
| 715 | return preg_replace('/^' . preg_quote($prefix) . '/', '', $table); |
||
| 716 | } |
||
| 717 | |||
| 718 | /**
|
||
| 719 | * Attempts to require the schema file specified.
|
||
| 720 | *
|
||
| 721 | * @param string $path Filesystem path to the file.
|
||
| 722 | * @param string $file Filesystem basename of the file.
|
||
| 723 | * @return bool True when a file was successfully included, false on failure.
|
||
| 724 | */
|
||
| 725 | protected function _requireFile($path, $file) { |
||
| 726 | if (file_exists($path . DS . $file) && is_file($path . DS . $file)) { |
||
| 727 | require_once $path . DS . $file; |
||
| 728 | return true; |
||
| 729 | } elseif (file_exists($path . DS . 'schema.php') && is_file($path . DS . 'schema.php')) { |
||
| 730 | require_once $path . DS . 'schema.php'; |
||
| 731 | return true; |
||
| 732 | } |
||
| 733 | return false; |
||
| 734 | } |
||
| 735 | |||
| 736 | } |