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<?php
/*
* $Id: Schema.php 10831 2013-05-29 19:32:17Z btowles $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
/**
* Doctrine_Import_Schema
*
* Class for importing Doctrine_Record classes from a yaml schema definition
*
* @package Doctrine
* @subpackage Import
* @link www.doctrine-project.org
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @version $Revision: 1838 $
* @author Nicolas Bérard-Nault <nicobn@gmail.com>
* @author Jonathan H. Wage <jonwage@gmail.com>
*/
class Doctrine_Import_Schema
{
/**
* Schema definition keys that can be applied at the global level.
*
* @var array
*/
protected static $_globalDefinitionKeys = array(
'connection',
'attributes',
'templates',
'actAs',
'options',
'package',
'package_custom_path',
'inheritance',
'detect_relations');
/**
* _relations
*
* Array of all relationships parsed from all schema files
*
* @var array
*/
protected $_relations = array();
/**
* _options
*
* Array of options used to configure the model generation from the parsed schema files
* This array is forwarded to Doctrine_Import_Builder
*
* @var array
*/
protected $_options = array('packagesPrefix' => 'Package',
'packagesPath' => '',
'packagesFolderName' => 'packages',
'suffix' => '.php',
'generateBaseClasses' => true,
'generateTableClasses' => false,
'generateAccessors' => false,
'baseClassPrefix' => 'Base',
'baseClassesDirectory' => 'generated',
'baseClassName' => 'Doctrine_Record');
/**
* _validation
*
* Array used to validate schema element.
* See: _validateSchemaElement
*
* @var array
*/
protected $_validation = array('root' => array('abstract',
'connection',
'className',
'tableName',
'connection',
'relations',
'columns',
'indexes',
'attributes',
'templates',
'actAs',
'options',
'package',
'package_custom_path',
'inheritance',
'detect_relations',
'listeners',
'checks',
'comment'),
'column' => array('name',
'format',
'fixed',
'primary',
'autoincrement',
'type',
'length',
'size',
'default',
'scale',
'values',
'comment',
'sequence',
'protected',
'zerofill',
'owner',
'extra',
'comment',
'charset',
'collation'),
'relation' => array('key',
'class',
'alias',
'type',
'refClass',
'local',
'foreign',
'foreignClass',
'foreignAlias',
'foreignType',
'autoComplete',
'cascade',
'onDelete',
'onUpdate',
'equal',
'owningSide',
'refClassRelationAlias',
'foreignKeyName',
'orderBy'),
'inheritance'=> array('type',
'extends',
'keyField',
'keyValue'));
/**
* Returns an array of definition keys that can be applied at the global level.
*
* @return array
*/
public static function getGlobalDefinitionKeys()
{
return self::$_globalDefinitionKeys;
}
/**
* getOption
*
* @param string $name
* @return void
*/
public function getOption($name)
{
if (isset($this->_options[$name])) {
return $this->_options[$name];
}
}
/**
* getOptions
*
* @return void
*/
public function getOptions()
{
return $this->_options;
}
/**
* setOption
*
* @param string $name
* @param string $value
* @return void
*/
public function setOption($name, $value)
{
if (isset($this->_options[$name])) {
$this->_options[$name] = $value;
}
}
/**
* setOptions
*
* @param string $options
* @return void
*/
public function setOptions($options)
{
if ( ! empty($options)) {
$this->_options = $options;
}
}
/**
* buildSchema
*
* Loop throug directories of schema files and parse them all in to one complete array of schema information
*
* @param string $schema Array of schema files or single schema file. Array of directories with schema files or single directory
* @param string $format Format of the files we are parsing and building from
* @return array $array
*/
public function buildSchema($schema, $format)
{
$array = array();
foreach ((array) $schema AS $s) {
if (is_file($s)) {
$e = explode('.', $s);
if (end($e) === $format) {
$array = array_merge($array, $this->parseSchema($s, $format));
}
} else if (is_dir($s)) {
$it = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($s),
RecursiveIteratorIterator::LEAVES_ONLY);
foreach ($it as $file) {
$e = explode('.', $file->getFileName());
if (end($e) === $format) {
$array = array_merge($array, $this->parseSchema($file->getPathName(), $format));
}
}
} else {
$array = array_merge($array, $this->parseSchema($s, $format));
}
}
$array = $this->_buildRelationships($array);
$array = $this->_processInheritance($array);
return $array;
}
/**
* importSchema
*
* A method to import a Schema and translate it into a Doctrine_Record object
*
* @param string $schema The file containing the XML schema
* @param string $format Format of the schema file
* @param string $directory The directory where the Doctrine_Record class will be written
* @param array $models Optional array of models to import
*
* @return void
*/
public function importSchema($schema, $format = 'yml', $directory = null, $models = array())
{
$schema = (array) $schema;
$builder = new Doctrine_Import_Builder();
$builder->setTargetPath($directory);
$builder->setOptions($this->getOptions());
$array = $this->buildSchema($schema, $format);
if (count($array) == 0) {
throw new Doctrine_Import_Exception(
sprintf('No ' . $format . ' schema found in ' . implode(", ", $schema))
);
}
foreach ($array as $name => $definition) {
if ( ! empty($models) && !in_array($definition['className'], $models)) {
continue;
}
$builder->buildRecord($definition);
}
}
/**
* parseSchema
*
* A method to parse a Schema and translate it into a property array.
* The function returns that property array.
*
* @param string $schema Path to the file containing the schema
* @param string $type Format type of the schema we are parsing
* @return array $build Built array of schema information
*/
public function parseSchema($schema, $type)
{
$defaults = array('abstract' => false,
'className' => null,
'tableName' => null,
'connection' => null,
'relations' => array(),
'indexes' => array(),
'attributes' => array(),
'templates' => array(),
'actAs' => array(),
'options' => array(),
'package' => null,
'inheritance' => array(),
'detect_relations' => false);
$array = Doctrine_Parser::load($schema, $type);
// Loop over and build up all the global values and remove them from the array
$globals = array();
foreach ($array as $key => $value) {
if (in_array($key, self::$_globalDefinitionKeys)) {
unset($array[$key]);
$globals[$key] = $value;
}
}
// Merge the globals that aren't specifically set to each class
foreach ($array as $className => $table) {
$array[$className] = Doctrine_Lib::arrayDeepMerge($globals, $array[$className]);
}
$build = array();
foreach ($array as $className => $table) {
$table = (array) $table;
$this->_validateSchemaElement('root', array_keys($table), $className);
$columns = array();
$className = isset($table['className']) ? (string) $table['className']:(string) $className;
if (isset($table['inheritance']['keyField']) || isset($table['inheritance']['keyValue'])) {
$table['inheritance']['type'] = 'column_aggregation';
}
if (isset($table['tableName']) && $table['tableName']) {
$tableName = $table['tableName'];
} else {
if (isset($table['inheritance']['type']) && ($table['inheritance']['type'] == 'column_aggregation')) {
$tableName = null;
} else {
$tableName = Doctrine_Inflector::tableize($className);
}
}
$connection = isset($table['connection']) ? $table['connection']:'current';
$columns = isset($table['columns']) ? $table['columns']:array();
if ( ! empty($columns)) {
foreach ($columns as $columnName => $field) {
// Support short syntax: my_column: integer(4)
if ( ! is_array($field)) {
$original = $field;
$field = array();
$field['type'] = $original;
}
$colDesc = array();
if (isset($field['name'])) {
$colDesc['name'] = $field['name'];
} else {
$colDesc['name'] = $columnName;
}
$this->_validateSchemaElement('column', array_keys($field), $className . '->columns->' . $colDesc['name']);
// Support short type(length) syntax: my_column: { type: integer(4) }
$e = explode('(', $field['type']);
if (isset($e[0]) && isset($e[1])) {
$colDesc['type'] = $e[0];
$value = substr($e[1], 0, strlen($e[1]) - 1);
$e = explode(',', $value);
$colDesc['length'] = $e[0];
if (isset($e[1]) && $e[1]) {
$colDesc['scale'] = $e[1];
}
} else {
$colDesc['type'] = isset($field['type']) ? (string) $field['type']:null;
$colDesc['length'] = isset($field['length']) ? (int) $field['length']:null;
$colDesc['length'] = isset($field['size']) ? (int) $field['size']:$colDesc['length'];
}
$colDesc['fixed'] = isset($field['fixed']) ? (int) $field['fixed']:null;
$colDesc['primary'] = isset($field['primary']) ? (bool) (isset($field['primary']) && $field['primary']):null;
$colDesc['default'] = isset($field['default']) ? $field['default']:null;
$colDesc['autoincrement'] = isset($field['autoincrement']) ? (bool) (isset($field['autoincrement']) && $field['autoincrement']):null;
if (isset($field['sequence'])) {
if (true === $field['sequence']) {
$colDesc['sequence'] = $tableName;
} else {
$colDesc['sequence'] = (string) $field['sequence'];
}
} else {
$colDesc['sequence'] = null;
}
$colDesc['values'] = isset($field['values']) ? (array) $field['values']:null;
// Include all the specified and valid validators in the colDesc
$validators = Doctrine_Manager::getInstance()->getValidators();
foreach ($validators as $validator) {
if (isset($field[$validator])) {
$colDesc[$validator] = $field[$validator];
}
}
$columns[(string) $columnName] = $colDesc;
}
}
// Apply the default values
foreach ($defaults as $key => $defaultValue) {
if (isset($table[$key]) && ! isset($build[$className][$key])) {
$build[$className][$key] = $table[$key];
} else {
$build[$className][$key] = isset($build[$className][$key]) ? $build[$className][$key]:$defaultValue;
}
}
$build[$className]['className'] = $className;
$build[$className]['tableName'] = $tableName;
$build[$className]['columns'] = $columns;
// Make sure that anything else that is specified in the schema makes it to the final array
$build[$className] = Doctrine_Lib::arrayDeepMerge($table, $build[$className]);
// We need to keep track of the className for the connection
$build[$className]['connectionClassName'] = $build[$className]['className'];
}
return $build;
}
/**
* _processInheritance
*
* Perform some processing on inheritance.
* Sets the default type and sets some default values for certain types
*
* @param string $array
* @return void
*/
protected function _processInheritance($array)
{
// Apply default inheritance configuration
foreach ($array as $className => $definition) {
if ( ! empty($array[$className]['inheritance'])) {
$this->_validateSchemaElement('inheritance', array_keys($definition['inheritance']), $className . '->inheritance');
// Default inheritance to concrete inheritance
if ( ! isset($array[$className]['inheritance']['type'])) {
$array[$className]['inheritance']['type'] = 'concrete';
}
// Some magic for setting up the keyField and keyValue column aggregation options
// Adds keyField to the parent class automatically
if ($array[$className]['inheritance']['type'] == 'column_aggregation') {
// Set the keyField to 'type' by default
if ( ! isset($array[$className]['inheritance']['keyField'])) {
$array[$className]['inheritance']['keyField'] = 'type';
}
// Set the keyValue to the name of the child class if it does not exist
if ( ! isset($array[$className]['inheritance']['keyValue'])) {
$array[$className]['inheritance']['keyValue'] = $className;
}
$parent = $this->_findBaseSuperClass($array, $definition['className']);
// Add the keyType column to the parent if a definition does not already exist
if ( ! isset($array[$parent]['columns'][$array[$className]['inheritance']['keyField']])) {
$array[$parent]['columns'][$array[$className]['inheritance']['keyField']] = array('name' => $array[$className]['inheritance']['keyField'], 'type' => 'string', 'length' => 255);
}
}
}
}
// Array of the array keys to move to the parent, and the value to default the child definition to
// after moving it. Will also populate the subclasses array for the inheritance parent
$moves = array('columns' => array(),
'indexes' => array(),
'attributes' => array(),
'options' => array(),
'checks' => array());
foreach ($array as $className => $definition) {
// Move any definitions on the schema to the parent
if (isset($definition['inheritance']['extends']) && isset($definition['inheritance']['type']) && ($definition['inheritance']['type'] == 'simple' || $definition['inheritance']['type'] == 'column_aggregation')) {
$parent = $this->_findBaseSuperClass($array, $definition['className']);
foreach ($moves as $move => $resetValue) {
if (isset($array[$parent][$move]) && isset($definition[$move])) {
$array[$parent][$move] = Doctrine_Lib::arrayDeepMerge($array[$parent][$move], $definition[$move]);
$array[$definition['className']][$move] = $resetValue;
}
}
// Populate the parents subclasses
if ($definition['inheritance']['type'] == 'column_aggregation') {
// Fix for 2015: loop through superclasses' inheritance to the base-superclass to
// make sure we collect all keyFields needed (and not only the first)
$inheritanceFields = array($definition['inheritance']['keyField'] => $definition['inheritance']['keyValue']);
$superClass = $definition['inheritance']['extends'];
$multiInheritanceDef = $array[$superClass];
while (count($multiInheritanceDef['inheritance']) > 0 && array_key_exists('extends', $multiInheritanceDef['inheritance']) && $multiInheritanceDef['inheritance']['type'] == 'column_aggregation') {
$superClass = $multiInheritanceDef['inheritance']['extends'];
// keep original keyField with it's keyValue
if ( ! isset($inheritanceFields[$multiInheritanceDef['inheritance']['keyField']])) {
$inheritanceFields[$multiInheritanceDef['inheritance']['keyField']] = $multiInheritanceDef['inheritance']['keyValue'];
}
$multiInheritanceDef = $array[$superClass];
}
$array[$parent]['inheritance']['subclasses'][$definition['className']] = $inheritanceFields;
}
}
}
return $array;
}
/**
* Find the base super class for this inheritance child. We need to move all levels of children to the
* top most parent.
*
* @param array $array Array of schema information
* @return string $class Class to get find the parent for
*/
protected function _findBaseSuperClass($array, $class)
{
if (isset($array[$class]['inheritance']['extends']) && isset($array[$class]['inheritance']['type']) && ($array[$class]['inheritance']['type'] == 'simple' || $array[$class]['inheritance']['type'] == 'column_aggregation')) {
return $this->_findBaseSuperClass($array, $array[$class]['inheritance']['extends']);
} else {
return $class;
}
}
/**
* buildRelationships
*
* Loop through an array of schema information and build all the necessary relationship information
* Will attempt to auto complete relationships and simplify the amount of information required
* for defining a relationship
*
* @param string $array
* @return void
*/
protected function _buildRelationships($array)
{
// Handle auto detecting relations by the names of columns
// User.contact_id will automatically create User hasOne Contact local => contact_id, foreign => id
foreach ($array as $className => $properties) {
if (isset($properties['columns']) && ! empty($properties['columns']) && isset($properties['detect_relations']) && $properties['detect_relations']) {
foreach ($properties['columns'] as $column) {
// Check if the column we are inflecting has a _id on the end of it before trying to inflect it and find
// the class name for the column
if (strpos($column['name'], '_id')) {
$columnClassName = Doctrine_Inflector::classify(str_replace('_id', '', $column['name']));
if (isset($array[$columnClassName]) && !isset($array[$className]['relations'][$columnClassName])) {
$array[$className]['relations'][$columnClassName] = array();
// Set the detected foreign key type and length to the same as the primary key
// of the related table
$type = isset($array[$columnClassName]['columns']['id']['type']) ? $array[$columnClassName]['columns']['id']['type']:'integer';
$length = isset($array[$columnClassName]['columns']['id']['length']) ? $array[$columnClassName]['columns']['id']['length']:8;
$array[$className]['columns'][$column['name']]['type'] = $type;
$array[$className]['columns'][$column['name']]['length'] = $length;
}
}
}
}
}
foreach ($array as $name => $properties) {
if ( ! isset($properties['relations'])) {
continue;
}
$className = $properties['className'];
$relations = $properties['relations'];
foreach ($relations as $alias => $relation) {
$class = isset($relation['class']) ? $relation['class']:$alias;
if ( ! isset($array[$class])) {
continue;
}
$relation['class'] = $class;
$relation['alias'] = isset($relation['alias']) ? $relation['alias'] : $alias;
// Attempt to guess the local and foreign
if (isset($relation['refClass'])) {
$relation['local'] = isset($relation['local']) ? $relation['local']:Doctrine_Inflector::tableize($name) . '_id';
$relation['foreign'] = isset($relation['foreign']) ? $relation['foreign']:Doctrine_Inflector::tableize($class) . '_id';
} else {
$relation['local'] = isset($relation['local']) ? $relation['local']:Doctrine_Inflector::tableize($relation['class']) . '_id';
$relation['foreign'] = isset($relation['foreign']) ? $relation['foreign']:'id';
}
if (isset($relation['refClass'])) {
$relation['type'] = 'many';
}
if (isset($relation['type']) && $relation['type']) {
$relation['type'] = $relation['type'] === 'one' ? Doctrine_Relation::ONE:Doctrine_Relation::MANY;
} else {
$relation['type'] = Doctrine_Relation::ONE;
}
if (isset($relation['foreignType']) && $relation['foreignType']) {
$relation['foreignType'] = $relation['foreignType'] === 'one' ? Doctrine_Relation::ONE:Doctrine_Relation::MANY;
}
$relation['key'] = $this->_buildUniqueRelationKey($relation);
$this->_validateSchemaElement('relation', array_keys($relation), $className . '->relation->' . $relation['alias']);
$this->_relations[$className][$alias] = $relation;
}
}
// Now we auto-complete opposite ends of relationships
$this->_autoCompleteOppositeRelations();
// Make sure we do not have any duplicate relations
$this->_fixDuplicateRelations();
// Set the full array of relationships for each class to the final array
foreach ($this->_relations as $className => $relations) {
$array[$className]['relations'] = $relations;
}
return $array;
}
/**
* fixRelationships
*
* Loop through all relationships building the opposite ends of each relationship
* and make sure no duplicate relations exist
*
* @return void
*/
protected function _autoCompleteOppositeRelations()
{
foreach($this->_relations as $className => $relations) {
foreach ($relations AS $alias => $relation) {
if ((isset($relation['equal']) && $relation['equal']) || (isset($relation['autoComplete']) && $relation['autoComplete'] === false)) {
continue;
}
$newRelation = array();
$newRelation['foreign'] = $relation['local'];
$newRelation['local'] = $relation['foreign'];
$newRelation['class'] = isset($relation['foreignClass']) ? $relation['foreignClass']:$className;
$newRelation['alias'] = isset($relation['foreignAlias']) ? $relation['foreignAlias']:$className;
$newRelation['foreignAlias'] = $alias;
// this is so that we know that this relation was autogenerated and
// that we do not need to include it if it is explicitly declared in the schema by the users.
$newRelation['autogenerated'] = true;
if (isset($relation['refClass'])) {
$newRelation['refClass'] = $relation['refClass'];
$newRelation['type'] = isset($relation['foreignType']) ? $relation['foreignType']:$relation['type'];
} else {
if (isset($relation['foreignType'])) {
$newRelation['type'] = $relation['foreignType'];
} else {
$newRelation['type'] = $relation['type'] === Doctrine_Relation::ONE ? Doctrine_Relation::MANY:Doctrine_Relation::ONE;
}
}
// Make sure it doesn't already exist
if ( ! isset($this->_relations[$relation['class']][$newRelation['alias']])) {
$newRelation['key'] = $this->_buildUniqueRelationKey($newRelation);
$this->_relations[$relation['class']][$newRelation['alias']] = $newRelation;
}
}
}
}
/**
* _fixDuplicateRelations
*
* Ensure the relations for each class are unique and that no duplicated relations exist from the auto generated relations
* and the user explicitely defining the opposite end
*
* @return void
*/
protected function _fixDuplicateRelations()
{
foreach($this->_relations as $className => $relations) {
// This is for checking for duplicates between alias-relations and a auto-generated relations to ensure the result set of unique relations
$existingRelations = array();
$uniqueRelations = array();
foreach ($relations as $relation) {
if ( ! in_array($relation['key'], $existingRelations)) {
$existingRelations[] = $relation['key'];
$uniqueRelations = array_merge($uniqueRelations, array($relation['alias'] => $relation));
} else {
// check to see if this relationship is not autogenerated, if it's not, then the user must have explicitly declared it
if ( ! isset($relation['autogenerated']) || $relation['autogenerated'] != true) {
$uniqueRelations = array_merge($uniqueRelations, array($relation['alias'] => $relation));
}
}
}
$this->_relations[$className] = $uniqueRelations;
}
}
/**
* _buildUniqueRelationKey
*
* Build a unique key to identify a relationship by
* Md5 hash of all the relationship parameters
*
* @param string $relation
* @return void
*/
protected function _buildUniqueRelationKey($relation)
{
return md5($relation['local'].$relation['foreign'].$relation['class'].(isset($relation['refClass']) ? $relation['refClass']:null));
}
/**
* _validateSchemaElement
*
* @param string $name
* @param string $value
* @return void
*/
protected function _validateSchemaElement($name, $element, $path)
{
$element = (array) $element;
$validation = $this->_validation[$name];
// Validators are a part of the column validation
// This should be fixed, made cleaner
if ($name == 'column') {
$validators = Doctrine_Manager::getInstance()->getValidators();
$validation = array_merge($validation, $validators);
}
$validation = array_flip($validation);
foreach ($element as $key => $value) {
if ( ! isset($validation[$value])) {
throw new Doctrine_Import_Exception(
sprintf('Invalid schema element named "' . $value . '" at path "' . $path . '"')
);
}
}
}
}