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<?php
/*
* $Id: Builder.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_Migration_Builder
*
* @package Doctrine
* @subpackage Migration
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @author Jonathan H. Wage <jwage@mac.com>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 1.0
* @version $Revision: 2939 $
*/
class Doctrine_Migration_Builder extends Doctrine_Builder
{
/**
* The path to your migration classes directory
*
* @var string
*/
private $migrationsPath = '';
/**
* File suffix to use when writing class definitions
*
* @var string $suffix
*/
private $suffix = '.php';
/**
* Instance of the migration class for the migration classes directory
*
* @var Doctrine_Migration $migration
*/
private $migration;
/**
* Class template used for writing classes
*
* @var $tpl
*/
private static $tpl;
/**
* Instantiate new instance of the Doctrine_Migration_Builder class
*
* <code>
* $builder = new Doctrine_Migration_Builder('/path/to/migrations');
* </code>
*
* @return void
*/
public function __construct($migrationsPath = null)
{
if ($migrationsPath instanceof Doctrine_Migration) {
$this->setMigrationsPath($migrationsPath->getMigrationClassesDirectory());
$this->migration = $migrationsPath;
} else if (is_dir($migrationsPath)) {
$this->setMigrationsPath($migrationsPath);
$this->migration = new Doctrine_Migration($migrationsPath);
}
$this->loadTemplate();
}
/**
* Set the path to write the generated migration classes
*
* @param string path the path where migration classes are stored and being generated
* @return void
*/
public function setMigrationsPath($path)
{
Doctrine_Lib::makeDirectories($path);
$this->migrationsPath = $path;
}
/**
* Get the path where generated migration classes are written to
*
* @return string the path where migration classes are stored and being generated
*/
public function getMigrationsPath()
{
return $this->migrationsPath;
}
/**
* Loads the class template used for generating classes
*
* @return void
*/
protected function loadTemplate()
{
if (isset(self::$tpl)) {
return;
}
self::$tpl =<<<END
/**
* This class has been auto-generated by the Doctrine ORM Framework
*/
class %s extends %s
{
public function up()
{
%s
}
public function down()
{
%s
}
}
END;
}
/**
* Generate migrations from a Doctrine_Migration_Diff instance
*
* @param Doctrine_Migration_Diff $diff Instance to generate changes from
* @return array $changes Array of changes produced from the diff
*/
public function generateMigrationsFromDiff(Doctrine_Migration_Diff $diff)
{
$changes = $diff->generateChanges();
$up = array();
$down = array();
if ( ! empty($changes['dropped_tables'])) {
foreach ($changes['dropped_tables'] as $tableName => $table) {
$up[] = $this->buildDropTable($table);
$down[] = $this->buildCreateTable($table);
}
}
if ( ! empty($changes['created_tables'])) {
foreach ($changes['created_tables'] as $tableName => $table) {
$up[] = $this->buildCreateTable($table);
$down[] = $this->buildDropTable($table);
}
}
if ( ! empty($changes['dropped_columns'])) {
foreach ($changes['dropped_columns'] as $tableName => $removedColumns) {
foreach ($removedColumns as $name => $column) {
$up[] = $this->buildRemoveColumn($tableName, $name, $column);
$down[] = $this->buildAddColumn($tableName, $name, $column);
}
}
}
if ( ! empty($changes['created_columns'])) {
foreach ($changes['created_columns'] as $tableName => $addedColumns) {
foreach ($addedColumns as $name => $column) {
$up[] = $this->buildAddColumn($tableName, $name, $column);
$down[] = $this->buildRemoveColumn($tableName, $name, $column);
}
}
}
if ( ! empty($changes['changed_columns'])) {
foreach ($changes['changed_columns'] as $tableName => $changedColumns) {
foreach ($changedColumns as $name => $column) {
$up[] = $this->buildChangeColumn($tableName, $name, $column);
}
}
}
if ( ! empty($up) || ! empty($down)) {
$up = implode("\n", $up);
$down = implode("\n", $down);
$className = 'Version' . $this->migration->getNextMigrationClassVersion();
$this->generateMigrationClass($className, array(), $up, $down);
}
$up = array();
$down = array();
if ( ! empty($changes['dropped_foreign_keys'])) {
foreach ($changes['dropped_foreign_keys'] as $tableName => $droppedFks) {
if ( ! empty($changes['dropped_tables']) && isset($changes['dropped_tables'][$tableName])) {
continue;
}
foreach ($droppedFks as $name => $foreignKey) {
$up[] = $this->buildDropForeignKey($tableName, $foreignKey);
$down[] = $this->buildCreateForeignKey($tableName, $foreignKey);
}
}
}
if ( ! empty($changes['dropped_indexes'])) {
foreach ($changes['dropped_indexes'] as $tableName => $removedIndexes) {
if ( ! empty($changes['dropped_tables']) && isset($changes['dropped_tables'][$tableName])) {
continue;
}
foreach ($removedIndexes as $name => $index) {
$up[] = $this->buildRemoveIndex($tableName, $name, $index);
$down[] = $this->buildAddIndex($tableName, $name, $index);
}
}
}
if ( ! empty($changes['created_foreign_keys'])) {
foreach ($changes['created_foreign_keys'] as $tableName => $createdFks) {
if ( ! empty($changes['dropped_tables']) && isset($changes['dropped_tables'][$tableName])) {
continue;
}
foreach ($createdFks as $name => $foreignKey) {
$up[] = $this->buildCreateForeignKey($tableName, $foreignKey);
$down[] = $this->buildDropForeignKey($tableName, $foreignKey);
}
}
}
if ( ! empty($changes['created_indexes'])) {
foreach ($changes['created_indexes'] as $tableName => $addedIndexes) {
if ( ! empty($changes['dropped_tables']) && isset($changes['dropped_tables'][$tableName])) {
continue;
}
foreach ($addedIndexes as $name => $index) {
if (isset($changes['created_tables'][$tableName]['options']['indexes'][$name])) {
continue;
}
$up[] = $this->buildAddIndex($tableName, $name, $index);
$down[] = $this->buildRemoveIndex($tableName, $name, $index);
}
}
}
if ( ! empty($up) || ! empty($down)) {
$up = implode("\n", $up);
$down = implode("\n", $down);
$className = 'Version' . $this->migration->getNextMigrationClassVersion();
$this->generateMigrationClass($className, array(), $up, $down);
}
return $changes;
}
/**
* Generate a set of migration classes from the existing databases
*
* @return void
*/
public function generateMigrationsFromDb()
{
$directory = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'tmp_doctrine_models';
Doctrine_Core::generateModelsFromDb($directory);
$result = $this->generateMigrationsFromModels($directory, Doctrine_Core::MODEL_LOADING_CONSERVATIVE);
Doctrine_Lib::removeDirectories($directory);
return $result;
}
/**
* Generate a set of migrations from a set of models
*
* @param string $modelsPath Path to models
* @param string $modelLoading What type of model loading to use when loading the models
* @return boolean
*/
public function generateMigrationsFromModels($modelsPath = null, $modelLoading = null)
{
if ($modelsPath !== null) {
$models = Doctrine_Core::filterInvalidModels(Doctrine_Core::loadModels($modelsPath, $modelLoading));
} else {
$models = Doctrine_Core::getLoadedModels();
}
$models = Doctrine_Core::initializeModels($models);
$foreignKeys = array();
foreach ($models as $model) {
$table = Doctrine_Core::getTable($model);
if ($table->getTableName() !== $this->migration->getTableName()) {
$export = $table->getExportableFormat();
$foreignKeys[$export['tableName']] = $export['options']['foreignKeys'];
$up = $this->buildCreateTable($export);
$down = $this->buildDropTable($export);
$className = 'Add' . Doctrine_Inflector::classify($export['tableName']);
$this->generateMigrationClass($className, array(), $up, $down);
}
}
if ( ! empty($foreignKeys)) {
$className = 'AddFks';
$up = array();
$down = array();
foreach ($foreignKeys as $tableName => $definitions) {
$tableForeignKeyNames[$tableName] = array();
foreach ($definitions as $definition) {
$up[] = $this->buildCreateForeignKey($tableName, $definition);
$down[] = $this->buildDropForeignKey($tableName, $definition);
}
}
$up = implode("\n", $up);
$down = implode("\n", $down);
if ($up || $down) {
$this->generateMigrationClass($className, array(), $up, $down);
}
}
return true;
}
/**
* Build the code for creating foreign keys
*
* @param string $tableName
* @param array $definition
* @return string $code
*/
public function buildCreateForeignKey($tableName, $definition)
{
return " \$this->createForeignKey('" . $tableName . "', '" . $definition['name'] . "', " . $this->varExport($definition, true) . ");";
}
/**
* Build the code for dropping foreign keys
*
* @param string $tableName
* @param array $definition
* @return string $code
*/
public function buildDropForeignKey($tableName, $definition)
{
return " \$this->dropForeignKey('" . $tableName . "', '" . $definition['name'] . "');";
}
/**
* Build the code for creating tables
*
* @param string $tableData
* @return string $code
*/
public function buildCreateTable($tableData)
{
$code = " \$this->createTable('" . $tableData['tableName'] . "', ";
$code .= $this->varExport($tableData['columns'], true) . ", ";
$optionsWeNeed = array('type', 'indexes', 'primary', 'collate', 'charset');
$options = array();
foreach ($optionsWeNeed as $option) {
if (isset($tableData['options'][$option])) {
$options[$option] = $tableData['options'][$option];
}
}
$code .= $this->varExport($options, true);
$code .= ");";
return $code;
}
/**
* Build the code for dropping tables
*
* @param string $tableData
* @return string $code
*/
public function buildDropTable($tableData)
{
return " \$this->dropTable('" . $tableData['tableName'] . "');";
}
/**
* Build the code for adding columns
*
* @param string $tableName
* @param string $columnName
* @param string $column
* @return string $code
*/
public function buildAddColumn($tableName, $columnName, $column)
{
$length = $column['length'];
$type = $column['type'];
unset($column['length'], $column['type']);
return " \$this->addColumn('" . $tableName . "', '" . $columnName. "', '" . $type . "', '" . $length . "', " . $this->varExport($column) . ");";
}
/**
* Build the code for removing columns
*
* @param string $tableName
* @param string $columnName
* @param string $column
* @return string $code
*/
public function buildRemoveColumn($tableName, $columnName, $column)
{
return " \$this->removeColumn('" . $tableName . "', '" . $columnName. "');";
}
/**
* Build the code for changing columns
*
* @param string $tableName
* @param string $columnName
* @param string $column
* @return string $code
*/
public function buildChangeColumn($tableName, $columnName, $column)
{
$length = $column['length'];
$type = $column['type'];
unset($column['length'], $column['type']);
return " \$this->changeColumn('" . $tableName . "', '" . $columnName. "', '" . $type . "', '" . $length . "', " . $this->varExport($column) . ");";
}
/**
* Build the code for adding indexes
*
* @param string $tableName
* @param string $indexName
* @param string $index
* @return sgtring $code
*/
public function buildAddIndex($tableName, $indexName, $index)
{
return " \$this->addIndex('$tableName', '$indexName', " . $this->varExport($index) . ");";
}
/**
* Build the code for removing indexes
*
* @param string $tableName
* @param string $indexName
* @param string $index
* @return string $code
*/
public function buildRemoveIndex($tableName, $indexName, $index)
{
return " \$this->removeIndex('$tableName', '$indexName', " . $this->varExport($index) . ");";
}
/**
* Generate a migration class
*
* @param string $className Class name to generate
* @param array $options Options for the migration class
* @param string $up The code for the up function
* @param string $down The code for the down function
* @param boolean $return Whether or not to return the code.
* If true return and false it writes the class to disk.
* @return mixed
*/
public function generateMigrationClass($className, $options = array(), $up = null, $down = null, $return = false)
{
$className = Doctrine_Inflector::urlize($className);
$className = str_replace('-', '_', $className);
$className = Doctrine_Inflector::classify($className);
if ($return || ! $this->getMigrationsPath()) {
return $this->buildMigrationClass($className, null, $options, $up, $down);
} else {
if ( ! $this->getMigrationsPath()) {
throw new Doctrine_Migration_Exception('You must specify the path to your migrations.');
}
$next = time() + $this->migration->getNextMigrationClassVersion();
$fileName = $next . '_' . Doctrine_Inflector::tableize($className) . $this->suffix;
$class = $this->buildMigrationClass($className, $fileName, $options, $up, $down);
$path = $this->getMigrationsPath() . DIRECTORY_SEPARATOR . $fileName;
if (class_exists($className) || file_exists($path)) {
$this->migration->loadMigrationClass($className);
return false;
}
file_put_contents($path, $class);
require_once($path);
$this->migration->loadMigrationClass($className);
return true;
}
}
/**
* Build the code for a migration class
*
* @param string $className Class name to generate
* @param string $fileName File name to write the class to
* @param array $options Options for the migration class
* @param string $up The code for the up function
* @param string $down The code for the down function
* @return string $content The code for the generated class
*/
public function buildMigrationClass($className, $fileName = null, $options = array(), $up = null, $down = null)
{
$extends = isset($options['extends']) ? $options['extends']:'Doctrine_Migration_Base';
$content = '<?php' . PHP_EOL;
$content .= sprintf(self::$tpl, $className,
$extends,
$up,
$down);
return $content;
}
}
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