mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 03:18:26 +00:00
687 lines
18 KiB
PHP
687 lines
18 KiB
PHP
<?php
|
|
/**
|
|
* Schema database management for CakePHP.
|
|
*
|
|
* PHP 5
|
|
*
|
|
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
|
|
* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
|
|
*
|
|
* Licensed under The MIT License
|
|
* Redistributions of files must retain the above copyright notice.
|
|
*
|
|
* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
|
|
* @link http://cakephp.org CakePHP(tm) Project
|
|
* @package cake.libs.model
|
|
* @since CakePHP(tm) v 1.2.0.5550
|
|
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
|
|
*/
|
|
App::uses('Model', 'Model');
|
|
App::uses('AppModel', 'Model');
|
|
App::uses('ConnectionManager', 'Model');
|
|
|
|
/**
|
|
* Base Class for Schema management
|
|
*
|
|
* @package cake.libs.model
|
|
*/
|
|
class CakeSchema extends Object {
|
|
|
|
/**
|
|
* Name of the schema
|
|
*
|
|
* @var string
|
|
* @access public
|
|
*/
|
|
public $name = null;
|
|
|
|
/**
|
|
* Path to write location
|
|
*
|
|
* @var string
|
|
* @access public
|
|
*/
|
|
public $path = null;
|
|
|
|
/**
|
|
* File to write
|
|
*
|
|
* @var string
|
|
* @access public
|
|
*/
|
|
public $file = 'schema.php';
|
|
|
|
/**
|
|
* Connection used for read
|
|
*
|
|
* @var string
|
|
* @access public
|
|
*/
|
|
public $connection = 'default';
|
|
|
|
/**
|
|
* plugin name.
|
|
*
|
|
* @var string
|
|
*/
|
|
public $plugin = null;
|
|
|
|
/**
|
|
* Set of tables
|
|
*
|
|
* @var array
|
|
* @access public
|
|
*/
|
|
public $tables = array();
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* @param array $options optional load object properties
|
|
*/
|
|
function __construct($options = array()) {
|
|
parent::__construct();
|
|
|
|
if (empty($options['name'])) {
|
|
$this->name = preg_replace('/schema$/i', '', get_class($this));
|
|
}
|
|
if (!empty($options['plugin'])) {
|
|
$this->plugin = $options['plugin'];
|
|
}
|
|
|
|
if (strtolower($this->name) === 'cake') {
|
|
$this->name = Inflector::camelize(Inflector::slug(Configure::read('App.dir')));
|
|
}
|
|
|
|
if (empty($options['path'])) {
|
|
$this->path = CONFIGS . 'schema';
|
|
}
|
|
|
|
$options = array_merge(get_object_vars($this), $options);
|
|
$this->build($options);
|
|
}
|
|
|
|
/**
|
|
* Builds schema object properties
|
|
*
|
|
* @param array $data loaded object properties
|
|
* @return void
|
|
*/
|
|
public function build($data) {
|
|
$file = null;
|
|
foreach ($data as $key => $val) {
|
|
if (!empty($val)) {
|
|
if (!in_array($key, array('plugin', 'name', 'path', 'file', 'connection', 'tables', '_log'))) {
|
|
if ($key[0] === '_') {
|
|
continue;
|
|
}
|
|
$this->tables[$key] = $val;
|
|
unset($this->{$key});
|
|
} elseif ($key !== 'tables') {
|
|
if ($key === 'name' && $val !== $this->name && !isset($data['file'])) {
|
|
$file = Inflector::underscore($val) . '.php';
|
|
}
|
|
$this->{$key} = $val;
|
|
}
|
|
}
|
|
}
|
|
if (file_exists($this->path . DS . $file) && is_file($this->path . DS . $file)) {
|
|
$this->file = $file;
|
|
} elseif (!empty($this->plugin)) {
|
|
$this->path = App::pluginPath($this->plugin) . 'config' . DS . 'schema';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Before callback to be implemented in subclasses
|
|
*
|
|
* @param array $events schema object properties
|
|
* @return boolean Should process continue
|
|
*/
|
|
public function before($event = array()) {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* After callback to be implemented in subclasses
|
|
*
|
|
* @param array $events schema object properties
|
|
*/
|
|
public function after($event = array()) {
|
|
}
|
|
|
|
/**
|
|
* Reads database and creates schema tables
|
|
*
|
|
* @param array $options schema object properties
|
|
* @return array Set of name and tables
|
|
*/
|
|
public function load($options = array()) {
|
|
if (is_string($options)) {
|
|
$options = array('path' => $options);
|
|
}
|
|
|
|
$this->build($options);
|
|
extract(get_object_vars($this));
|
|
|
|
$class = $name .'Schema';
|
|
|
|
if (!class_exists($class)) {
|
|
if (file_exists($path . DS . $file) && is_file($path . DS . $file)) {
|
|
require_once($path . DS . $file);
|
|
} elseif (file_exists($path . DS . 'schema.php') && is_file($path . DS . 'schema.php')) {
|
|
require_once($path . DS . 'schema.php');
|
|
}
|
|
}
|
|
|
|
if (class_exists($class)) {
|
|
$Schema = new $class($options);
|
|
return $Schema;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Reads database and creates schema tables
|
|
*
|
|
* Options
|
|
*
|
|
* - 'connection' - the db connection to use
|
|
* - 'name' - name of the schema
|
|
* - 'models' - a list of models to use, or false to ignore models
|
|
*
|
|
* @param array $options schema object properties
|
|
* @return array Array indexed by name and tables
|
|
*/
|
|
public function read($options = array()) {
|
|
extract(array_merge(
|
|
array(
|
|
'connection' => $this->connection,
|
|
'name' => $this->name,
|
|
'models' => true,
|
|
),
|
|
$options
|
|
));
|
|
$db = ConnectionManager::getDataSource($connection);
|
|
|
|
if (isset($this->plugin)) {
|
|
App::uses(Inflector::camelize($this->plugin) . 'AppModel', $this->plugin . '.Model');
|
|
}
|
|
|
|
$tables = array();
|
|
$currentTables = $db->listSources();
|
|
|
|
$prefix = null;
|
|
if (isset($db->config['prefix'])) {
|
|
$prefix = $db->config['prefix'];
|
|
}
|
|
|
|
if (!is_array($models) && $models !== false) {
|
|
if (isset($this->plugin)) {
|
|
$models = App::objects($this->plugin . '.Model', null, false);
|
|
} else {
|
|
$models = App::objects('Model');
|
|
}
|
|
}
|
|
|
|
if (is_array($models)) {
|
|
foreach ($models as $model) {
|
|
$importModel = $model;
|
|
$plugin = null;
|
|
if (isset($this->plugin)) {
|
|
if ($model == $this->plugin . 'AppModel') {
|
|
continue;
|
|
}
|
|
$importModel = $model;
|
|
$plugin = $this->plugin . '.';
|
|
}
|
|
|
|
App::uses($importModel, $plugin . 'Model');
|
|
if (!class_exists($importModel)) {
|
|
continue;
|
|
}
|
|
|
|
$vars = get_class_vars($model);
|
|
if (empty($vars['useDbConfig']) || $vars['useDbConfig'] != $connection) {
|
|
continue;
|
|
}
|
|
|
|
$Object = ClassRegistry::init(array('class' => $model, 'ds' => $connection));
|
|
$db = $Object->getDataSource();
|
|
if (is_object($Object) && $Object->useTable !== false) {
|
|
$fulltable = $table = $db->fullTableName($Object, false);
|
|
if ($prefix && strpos($table, $prefix) !== 0) {
|
|
continue;
|
|
}
|
|
$table = str_replace($prefix, '', $table);
|
|
|
|
if (in_array($fulltable, $currentTables)) {
|
|
$key = array_search($fulltable, $currentTables);
|
|
if (empty($tables[$table])) {
|
|
$tables[$table] = $this->__columns($Object);
|
|
$tables[$table]['indexes'] = $db->index($Object);
|
|
$tables[$table]['tableParameters'] = $db->readTableParameters($fulltable);
|
|
unset($currentTables[$key]);
|
|
}
|
|
if (!empty($Object->hasAndBelongsToMany)) {
|
|
foreach ($Object->hasAndBelongsToMany as $Assoc => $assocData) {
|
|
if (isset($assocData['with'])) {
|
|
$class = $assocData['with'];
|
|
}
|
|
if (is_object($Object->$class)) {
|
|
$withTable = $db->fullTableName($Object->$class, false);
|
|
if ($prefix && strpos($withTable, $prefix) !== 0) {
|
|
continue;
|
|
}
|
|
if (in_array($withTable, $currentTables)) {
|
|
$key = array_search($withTable, $currentTables);
|
|
$noPrefixWith = str_replace($prefix, '', $withTable);
|
|
|
|
$tables[$noPrefixWith] = $this->__columns($Object->$class);
|
|
$tables[$noPrefixWith]['indexes'] = $db->index($Object->$class);
|
|
$tables[$noPrefixWith]['tableParameters'] = $db->readTableParameters($withTable);
|
|
unset($currentTables[$key]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!empty($currentTables)) {
|
|
foreach ($currentTables as $table) {
|
|
if ($prefix) {
|
|
if (strpos($table, $prefix) !== 0) {
|
|
continue;
|
|
}
|
|
$table = str_replace($prefix, '', $table);
|
|
}
|
|
$Object = new AppModel(array(
|
|
'name' => Inflector::classify($table), 'table' => $table, 'ds' => $connection
|
|
));
|
|
|
|
$systemTables = array(
|
|
'aros', 'acos', 'aros_acos', Configure::read('Session.table'), 'i18n'
|
|
);
|
|
if (in_array($table, $systemTables)) {
|
|
$tables[$Object->table] = $this->__columns($Object);
|
|
$tables[$Object->table]['indexes'] = $db->index($Object);
|
|
$tables[$Object->table]['tableParameters'] = $db->readTableParameters($table);
|
|
} elseif ($models === false) {
|
|
$tables[$table] = $this->__columns($Object);
|
|
$tables[$table]['indexes'] = $db->index($Object);
|
|
$tables[$table]['tableParameters'] = $db->readTableParameters($table);
|
|
} else {
|
|
$tables['missing'][$table] = $this->__columns($Object);
|
|
$tables['missing'][$table]['indexes'] = $db->index($Object);
|
|
$tables['missing'][$table]['tableParameters'] = $db->readTableParameters($table);
|
|
}
|
|
}
|
|
}
|
|
|
|
ksort($tables);
|
|
return compact('name', 'tables');
|
|
}
|
|
|
|
/**
|
|
* Writes schema file from object or options
|
|
*
|
|
* @param mixed $object schema object or options array
|
|
* @param array $options schema object properties to override object
|
|
* @return mixed false or string written to file
|
|
*/
|
|
public function write($object, $options = array()) {
|
|
if (is_object($object)) {
|
|
$object = get_object_vars($object);
|
|
$this->build($object);
|
|
}
|
|
|
|
if (is_array($object)) {
|
|
$options = $object;
|
|
unset($object);
|
|
}
|
|
|
|
extract(array_merge(
|
|
get_object_vars($this), $options
|
|
));
|
|
|
|
$out = "class {$name}Schema extends CakeSchema {\n";
|
|
|
|
if ($path !== $this->path) {
|
|
$out .= "\tvar \$path = '{$path}';\n\n";
|
|
}
|
|
|
|
if ($file !== $this->file) {
|
|
$out .= "\tvar \$file = '{$file}';\n\n";
|
|
}
|
|
|
|
if ($connection !== 'default') {
|
|
$out .= "\tvar \$connection = '{$connection}';\n\n";
|
|
}
|
|
|
|
$out .= "\tfunction before(\$event = array()) {\n\t\treturn true;\n\t}\n\n\tfunction after(\$event = array()) {\n\t}\n\n";
|
|
|
|
if (empty($tables)) {
|
|
$this->read();
|
|
}
|
|
|
|
foreach ($tables as $table => $fields) {
|
|
if (!is_numeric($table) && $table !== 'missing') {
|
|
$out .= $this->generateTable($table, $fields);
|
|
}
|
|
}
|
|
$out .= "}\n";
|
|
|
|
$file = new SplFileObject($path . DS . $file, 'w+');
|
|
$content = "<?php \n/* {$name} schema generated on: " . date('Y-m-d H:i:s') . " : ". time() . "*/\n{$out}?>";
|
|
if ($file->fwrite($content)) {
|
|
return $content;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Generate the code for a table. Takes a table name and $fields array
|
|
* Returns a completed variable declaration to be used in schema classes
|
|
*
|
|
* @param string $table Table name you want returned.
|
|
* @param array $fields Array of field information to generate the table with.
|
|
* @return string Variable declaration for a schema class
|
|
*/
|
|
function generateTable($table, $fields) {
|
|
$out = "\tvar \${$table} = array(\n";
|
|
if (is_array($fields)) {
|
|
$cols = array();
|
|
foreach ($fields as $field => $value) {
|
|
if ($field != 'indexes' && $field != 'tableParameters') {
|
|
if (is_string($value)) {
|
|
$type = $value;
|
|
$value = array('type'=> $type);
|
|
}
|
|
$col = "\t\t'{$field}' => array('type' => '" . $value['type'] . "', ";
|
|
unset($value['type']);
|
|
$col .= join(', ', $this->__values($value));
|
|
} elseif ($field == 'indexes') {
|
|
$col = "\t\t'indexes' => array(";
|
|
$props = array();
|
|
foreach ((array)$value as $key => $index) {
|
|
$props[] = "'{$key}' => array(" . join(', ', $this->__values($index)) . ")";
|
|
}
|
|
$col .= join(', ', $props);
|
|
} elseif ($field == 'tableParameters') {
|
|
//@todo add charset, collate and engine here
|
|
$col = "\t\t'tableParameters' => array(";
|
|
$props = array();
|
|
foreach ((array)$value as $key => $param) {
|
|
$props[] = "'{$key}' => '$param'";
|
|
}
|
|
$col .= join(', ', $props);
|
|
}
|
|
$col .= ")";
|
|
$cols[] = $col;
|
|
}
|
|
$out .= join(",\n", $cols);
|
|
}
|
|
$out .= "\n\t);\n";
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Compares two sets of schemas
|
|
*
|
|
* @param mixed $old Schema object or array
|
|
* @param mixed $new Schema object or array
|
|
* @return array Tables (that are added, dropped, or changed)
|
|
*/
|
|
public function compare($old, $new = null) {
|
|
if (empty($new)) {
|
|
$new = $this;
|
|
}
|
|
if (is_array($new)) {
|
|
if (isset($new['tables'])) {
|
|
$new = $new['tables'];
|
|
}
|
|
} else {
|
|
$new = $new->tables;
|
|
}
|
|
|
|
if (is_array($old)) {
|
|
if (isset($old['tables'])) {
|
|
$old = $old['tables'];
|
|
}
|
|
} else {
|
|
$old = $old->tables;
|
|
}
|
|
$tables = array();
|
|
foreach ($new as $table => $fields) {
|
|
if ($table == 'missing') {
|
|
continue;
|
|
}
|
|
if (!array_key_exists($table, $old)) {
|
|
$tables[$table]['add'] = $fields;
|
|
} else {
|
|
$diff = $this->_arrayDiffAssoc($fields, $old[$table]);
|
|
if (!empty($diff)) {
|
|
$tables[$table]['add'] = $diff;
|
|
}
|
|
$diff = $this->_arrayDiffAssoc($old[$table], $fields);
|
|
if (!empty($diff)) {
|
|
$tables[$table]['drop'] = $diff;
|
|
}
|
|
}
|
|
|
|
foreach ($fields as $field => $value) {
|
|
if (isset($old[$table][$field])) {
|
|
$diff = $this->_arrayDiffAssoc($value, $old[$table][$field]);
|
|
if (!empty($diff) && $field !== 'indexes' && $field !== 'tableParameters') {
|
|
$tables[$table]['change'][$field] = array_merge($old[$table][$field], $diff);
|
|
}
|
|
}
|
|
|
|
if (isset($add[$table][$field])) {
|
|
$wrapper = array_keys($fields);
|
|
if ($column = array_search($field, $wrapper)) {
|
|
if (isset($wrapper[$column - 1])) {
|
|
$tables[$table]['add'][$field]['after'] = $wrapper[$column - 1];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($old[$table]['indexes']) && isset($new[$table]['indexes'])) {
|
|
$diff = $this->_compareIndexes($new[$table]['indexes'], $old[$table]['indexes']);
|
|
if ($diff) {
|
|
if (!isset($tables[$table])) {
|
|
$tables[$table] = array();
|
|
}
|
|
if (isset($diff['drop'])) {
|
|
$tables[$table]['drop']['indexes'] = $diff['drop'];
|
|
}
|
|
if ($diff && isset($diff['add'])) {
|
|
$tables[$table]['add']['indexes'] = $diff['add'];
|
|
}
|
|
}
|
|
}
|
|
if (isset($old[$table]['tableParameters']) && isset($new[$table]['tableParameters'])) {
|
|
$diff = $this->_compareTableParameters($new[$table]['tableParameters'], $old[$table]['tableParameters']);
|
|
if ($diff) {
|
|
$tables[$table]['change']['tableParameters'] = $diff;
|
|
}
|
|
}
|
|
}
|
|
return $tables;
|
|
}
|
|
|
|
/**
|
|
* Extended array_diff_assoc noticing change from/to NULL values
|
|
*
|
|
* It behaves almost the same way as array_diff_assoc except for NULL values: if
|
|
* one of the values is not NULL - change is detected. It is useful in situation
|
|
* where one value is strval('') ant other is strval(null) - in string comparing
|
|
* methods this results as EQUAL, while it is not.
|
|
*
|
|
* @param array $array1 Base array
|
|
* @param array $array2 Corresponding array checked for equality
|
|
* @return array Difference as array with array(keys => values) from input array
|
|
* where match was not found.
|
|
* @access protected
|
|
*/
|
|
function _arrayDiffAssoc($array1, $array2) {
|
|
$difference = array();
|
|
foreach ($array1 as $key => $value) {
|
|
if (!array_key_exists($key, $array2)) {
|
|
$difference[$key] = $value;
|
|
continue;
|
|
}
|
|
$correspondingValue = $array2[$key];
|
|
if (is_null($value) !== is_null($correspondingValue)) {
|
|
$difference[$key] = $value;
|
|
continue;
|
|
}
|
|
if (is_bool($value) !== is_bool($correspondingValue)) {
|
|
$difference[$key] = $value;
|
|
continue;
|
|
}
|
|
$compare = strval($value);
|
|
$correspondingValue = strval($correspondingValue);
|
|
if ($compare === $correspondingValue) {
|
|
continue;
|
|
}
|
|
$difference[$key] = $value;
|
|
}
|
|
return $difference;
|
|
}
|
|
|
|
/**
|
|
* Formats Schema columns from Model Object
|
|
*
|
|
* @param array $values options keys(type, null, default, key, length, extra)
|
|
* @return array Formatted values
|
|
*/
|
|
public function __values($values) {
|
|
$vals = array();
|
|
if (is_array($values)) {
|
|
foreach ($values as $key => $val) {
|
|
if (is_array($val)) {
|
|
$vals[] = "'{$key}' => array('" . implode("', '", $val) . "')";
|
|
} else if (!is_numeric($key)) {
|
|
$val = var_export($val, true);
|
|
$vals[] = "'{$key}' => {$val}";
|
|
}
|
|
}
|
|
}
|
|
return $vals;
|
|
}
|
|
|
|
/**
|
|
* Formats Schema columns from Model Object
|
|
*
|
|
* @param array $Obj model object
|
|
* @return array Formatted columns
|
|
*/
|
|
public function __columns(&$Obj) {
|
|
$db = $Obj->getDataSource();
|
|
$fields = $Obj->schema(true);
|
|
|
|
$columns = $props = array();
|
|
foreach ($fields as $name => $value) {
|
|
if ($Obj->primaryKey == $name) {
|
|
$value['key'] = 'primary';
|
|
}
|
|
if (!isset($db->columns[$value['type']])) {
|
|
trigger_error(__('Schema generation error: invalid column type %s does not exist in DBO', $value['type']), E_USER_NOTICE);
|
|
continue;
|
|
} else {
|
|
$defaultCol = $db->columns[$value['type']];
|
|
if (isset($defaultCol['limit']) && $defaultCol['limit'] == $value['length']) {
|
|
unset($value['length']);
|
|
} elseif (isset($defaultCol['length']) && $defaultCol['length'] == $value['length']) {
|
|
unset($value['length']);
|
|
}
|
|
unset($value['limit']);
|
|
}
|
|
|
|
if (isset($value['default']) && ($value['default'] === '' || $value['default'] === false)) {
|
|
unset($value['default']);
|
|
}
|
|
if (empty($value['length'])) {
|
|
unset($value['length']);
|
|
}
|
|
if (empty($value['key'])) {
|
|
unset($value['key']);
|
|
}
|
|
$columns[$name] = $value;
|
|
}
|
|
|
|
return $columns;
|
|
}
|
|
|
|
/**
|
|
* Compare two schema files table Parameters
|
|
*
|
|
* @param array $new New indexes
|
|
* @param array $old Old indexes
|
|
* @return mixed False on failure, or an array of parameters to add & drop.
|
|
*/
|
|
function _compareTableParameters($new, $old) {
|
|
if (!is_array($new) || !is_array($old)) {
|
|
return false;
|
|
}
|
|
$change = $this->_arrayDiffAssoc($new, $old);
|
|
return $change;
|
|
}
|
|
|
|
/**
|
|
* Compare two schema indexes
|
|
*
|
|
* @param array $new New indexes
|
|
* @param array $old Old indexes
|
|
* @return mixed false on failure or array of indexes to add and drop
|
|
*/
|
|
function _compareIndexes($new, $old) {
|
|
if (!is_array($new) || !is_array($old)) {
|
|
return false;
|
|
}
|
|
|
|
$add = $drop = array();
|
|
|
|
$diff = $this->_arrayDiffAssoc($new, $old);
|
|
if (!empty($diff)) {
|
|
$add = $diff;
|
|
}
|
|
|
|
$diff = $this->_arrayDiffAssoc($old, $new);
|
|
if (!empty($diff)) {
|
|
$drop = $diff;
|
|
}
|
|
|
|
foreach ($new as $name => $value) {
|
|
if (isset($old[$name])) {
|
|
$newUnique = isset($value['unique']) ? $value['unique'] : 0;
|
|
$oldUnique = isset($old[$name]['unique']) ? $old[$name]['unique'] : 0;
|
|
$newColumn = $value['column'];
|
|
$oldColumn = $old[$name]['column'];
|
|
|
|
$diff = false;
|
|
|
|
if ($newUnique != $oldUnique) {
|
|
$diff = true;
|
|
} elseif (is_array($newColumn) && is_array($oldColumn)) {
|
|
$diff = ($newColumn !== $oldColumn);
|
|
} elseif (is_string($newColumn) && is_string($oldColumn)) {
|
|
$diff = ($newColumn != $oldColumn);
|
|
} else {
|
|
$diff = true;
|
|
}
|
|
if ($diff) {
|
|
$drop[$name] = null;
|
|
$add[$name] = $value;
|
|
}
|
|
}
|
|
}
|
|
return array_filter(compact('add', 'drop'));
|
|
}
|
|
}
|