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sfPropelData.class.php
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sfPropelData.class.php
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<?php
/*
* This file is part of the symfony package.
* (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* This class is the Propel implementation of sfData. It interacts with the data source
* and loads data.
*
* @package symfony
* @subpackage propel
* @author Fabien Potencier <fabien.potencier@symfony-project.com>
* @version SVN: $Id: sfPropelData.class.php 23810 2009-11-12 11:07:44Z Kris.Wallsmith $
*/
class sfPropelData extends sfData
{
protected
$deletedClasses = array(),
$con = null,
$dispatcher = null,
$formatter = null;
/**
* @var int The cache duration
*/
protected $cacheKeepDuration;
public function __construct($cacheKeepDuration = 7200)
{
$this->cache = new sfFileCache(array(
'cache_dir' => sfConfig::get('sf_cache_dir')
));
$this->cacheKeepDuration = $cacheKeepDuration;
}
/**
* Initializes the sfPropelData instance.
*
* @param sfEventDispatcher $dispatcher A sfEventDispatcher instance
* @param sfFormatter $formatter A sfFormatter instance
*/
public function initialize(sfEventDispatcher $dispatcher, sfFormatter $formatter)
{
$this->dispatcher = $dispatcher;
$this->formatter = $formatter;
}
public function log($message, $size = null, $style = 'INFO')
{
if ($this->dispatcher instanceof sfEventDispatcher)
{
$this->dispatcher->notify(new sfEvent($this, 'command.log', array($this->formatter->formatSection('Propel', $message, $size, $style))));
}
}
/**
* Loads data from a file or directory into a Propel data source
*
* @see sfPropelData::loadData()
*
* @param mixed $directoryOrFile A file or directory path or an array of files or directories
* @param string $connectionName The Propel connection name, default 'propel'
*
* @throws Exception If the database throws an error, rollback transaction and rethrows exception
*/
public function loadData($directoryOrFile = null, $connectionName = 'propel')
{
$files = $this->getFiles($directoryOrFile);
// load map classes
$this->loadMapBuilders($connectionName);
$this->dbMap = Propel::getDatabaseMap($connectionName);
// wrap all database operations in a single transaction
$this->con = Propel::getConnection($connectionName);
try
{
$this->con->beginTransaction();
$this->doDeleteCurrentData($files);
$this->doLoadData($files);
$this->con->commit();
}
catch (Exception $e)
{
$this->con->rollBack();
throw $e;
}
}
/**
* Loads data for the database from a YAML file
*
* @param string $file The path to the YAML file.
*/
protected function doLoadDataFromFile($file)
{
$this->log(sprintf('reading data from %s', $file));
parent::doLoadDataFromFile($file);
}
/**
* Implements the abstract loadDataFromArray method and loads the data using the generated data model.
*
* @param array $data The data to be loaded into the data source
*
* @throws Exception If data is unnamed.
* @throws sfException If an object defined in the model does not exist in the data
* @throws sfException If a column that does not exist is referenced
*/
public function loadDataFromArray($data)
{
if ($data === null)
{
// no data
return;
}
foreach ($data as $class => $datas)
{
$class = trim($class);
$tableMap = $this->dbMap->getTable(constant(constant($class.'::PEER').'::TABLE_NAME'));
$column_names = call_user_func_array(array(constant($class.'::PEER'), 'getFieldNames'), array(BasePeer::TYPE_FIELDNAME));
// iterate through datas for this class
// might have been empty just for force a table to be emptied on import
if (!is_array($datas))
{
continue;
}
foreach ($datas as $key => $data)
{
// create a new entry in the database
if (!class_exists($class))
{
throw new InvalidArgumentException(sprintf('Unknown class "%s".', $class));
}
$obj = new $class();
if (!$obj instanceof BaseObject)
{
throw new RuntimeException(sprintf('The class "%s" is not a Propel class. This probably means there is already a class named "%s" somewhere in symfony or in your project.', $class, $class));
}
if (!is_array($data))
{
throw new InvalidArgumentException(sprintf('You must give a name for each fixture data entry (class %s).', $class));
}
foreach ($data as $name => $value)
{
try
{
if (is_array($value) && 's' == substr($name, -1))
{
// many to many relationship
$this->loadMany2Many($obj, substr($name, 0, -1), $value);
continue;
}
}
catch (PropelException $e)
{
// Check whether this is actually an array stored in the object.
if ('Cannot fetch TableMap for undefined table: '.substr($name, 0, -1) === $e->getMessage())
{
if ($tableMap->getColumn($name)->getType() !== 'ARRAY')
{
throw $e;
}
}
}
$isARealColumn = true;
try
{
$column = $tableMap->getColumn($name);
}
catch (PropelException $e)
{
$isARealColumn = false;
}
// foreign key?
if ($isARealColumn)
{
if ($column->isForeignKey() && null !== $value)
{
$relatedTable = $this->dbMap->getTable($column->getRelatedTableName());
if (!isset($this->object_references[$relatedTable->getPhpName().'_'.$value]))
{
throw new InvalidArgumentException(sprintf('The object "%s" from class "%s" is not defined in your data file.', $value, $relatedTable->getPhpName()));
}
$value = $this->object_references[$relatedTable->getPhpName().'_'.$value]->getByName($column->getRelatedName(), BasePeer::TYPE_COLNAME);
}
}
if (false !== $pos = array_search($name, $column_names))
{
$obj->setByPosition($pos, $value);
}
else if (is_callable(array($obj, $method = 'set'.sfInflector::camelize($name))))
{
$obj->$method($value);
}
else
{
throw new InvalidArgumentException(sprintf('Column "%s" does not exist for class "%s".', $name, $class));
}
}
$obj->save($this->con);
// save the object for future reference
if (method_exists($obj, 'getPrimaryKey'))
{
$peer = $class::PEER;
$class_key = $peer::OM_CLASS;
$this->object_references[$class_key.'_'.$key] = $obj;
}
}
}
}
/**
* Loads many to many objects.
*
* @param BaseObject $obj A Propel object
* @param string $middleTableName The middle table name
* @param array $values An array of values
*/
protected function loadMany2Many($obj, $middleTableName, $values)
{
$middleTable = $this->dbMap->getTable($middleTableName);
$middleClass = $middleTable->getPhpName();
foreach ($middleTable->getColumns() as $column)
{
if ($column->isForeignKey() && constant(constant(get_class($obj).'::PEER').'::TABLE_NAME') != $column->getRelatedTableName())
{
$relatedClass = $this->dbMap->getTable($column->getRelatedTableName())->getPhpName();
break;
}
}
if (!isset($relatedClass))
{
throw new InvalidArgumentException(sprintf('Unable to find the many-to-many relationship for object "%s".', get_class($obj)));
}
$setter = 'set'.get_class($obj);
$relatedSetter = 'set'.$relatedClass;
foreach ($values as $value)
{
if (!isset($this->object_references[$relatedClass.'_'.$value]))
{
throw new InvalidArgumentException(sprintf('The object "%s" from class "%s" is not defined in your data file.', $value, $relatedClass));
}
$middle = new $middleClass();
$middle->$setter($obj);
$middle->$relatedSetter($this->object_references[$relatedClass.'_'.$value]);
$middle->save();
}
}
/**
* Clears existing data from the data source by reading the fixture files
* and deleting the existing data for only those classes that are mentioned
* in the fixtures.
*
* @param array $files The list of YAML files.
*
* @throws sfException If a class mentioned in a fixture can not be found
*/
protected function doDeleteCurrentData($files)
{
// delete all current datas in database
if (!$this->deleteCurrentData)
{
return;
}
rsort($files);
foreach ($files as $file)
{
$data = sfYaml::load($file);
if ($data === null)
{
// no data
continue;
}
$classes = array_keys($data);
foreach (array_reverse($classes) as $class)
{
$class = trim($class);
if (in_array($class, $this->deletedClasses))
{
continue;
}
// Check that peer class exists before calling doDeleteAll()
$peerClass = constant($class.'::PEER');
if (!class_exists($peerClass))
{
throw new InvalidArgumentException(sprintf('Unknown class "%sPeer".', $class));
}
$this->log(sprintf('deleting data from %s', $class));
// bypass the soft_delete behavior if enabled
$deleteMethod = method_exists($peerClass, 'doForceDeleteAll') ? 'doForceDeleteAll' : 'doDeleteAll';
call_user_func(array($peerClass, $deleteMethod), $this->con);
$this->deletedClasses[] = $class;
}
}
}
/**
* Loads all map builders for a given connection name
*
* Use sfFileCache to cache propel databaseMap
*
* @throws sfException If the class cannot be found
*/
protected function loadMapBuilders($connectionName)
{
$cacheKey = 'dbMap-' . $connectionName;
if(!$dbMap = $this->cache->get($cacheKey))
{
$dbMap = Propel::getDatabaseMap();
$files = sfFinder::type('file')->name('*TableMap.php')->in(sfProjectConfiguration::getActive()->getModelDirs());
foreach ($files as $file)
{
$omClass = basename($file, 'TableMap.php');
if (class_exists($omClass) && is_subclass_of($omClass, 'BaseObject') && constant($omClass.'Peer::DATABASE_NAME') == $connectionName)
{
$tableMapClass = basename($file, '.php');
$dbMap->addTableFromMapClass($tableMapClass);
}
}
$dbMap = serialize($dbMap);
$this->cache->set($cacheKey, $dbMap, $this->cacheKeepDuration);
}
Propel::setDatabaseMap($connectionName, unserialize($dbMap));
}
/**
* Dumps data to fixture from one or more tables.
*
* @param string $directoryOrFile The directory or file to dump to
* @param mixed $tables The name or names of tables to dump (or all to dump all tables)
* @param string $connectionName The connection name (default to propel)
*/
public function dumpData($directoryOrFile, $tables = 'all', $connectionName = 'propel')
{
$dumpData = $this->getData($tables, $connectionName);
// save to file(s)
if (!is_dir($directoryOrFile))
{
file_put_contents($directoryOrFile, sfYaml::dump($dumpData, 3));
}
else
{
$i = 0;
foreach ($tables as $tableName)
{
if (!isset($dumpData[$tableName]))
{
continue;
}
file_put_contents(sprintf("%s/%03d-%s.yml", $directoryOrFile, ++$i, $tableName), sfYaml::dump(array($tableName => $dumpData[$tableName]), 3));
}
}
}
/**
* Returns data from one or more tables.
*
* @param mixed $tables name or names of tables to dump (or all to dump all tables)
* @param string $connectionName connection name
*
* @return array An array of database data
*/
public function getData($tables = 'all', $connectionName = 'propel')
{
$this->loadMapBuilders($connectionName);
$this->con = Propel::getConnection($connectionName);
$this->dbMap = Propel::getDatabaseMap($connectionName);
// get tables
if ('all' === $tables || null === $tables)
{
$tables = array();
foreach ($this->dbMap->getTables() as $table)
{
$tables[] = $table->getPhpName();
}
}
else if (!is_array($tables))
{
$tables = array($tables);
}
$dumpData = array();
$tables = $this->fixOrderingOfForeignKeyData($tables);
foreach ($tables as $tableName)
{
$tableMap = $this->dbMap->getTable(constant(constant($tableName.'::PEER').'::TABLE_NAME'));
$hasParent = false;
$haveParents = false;
$fixColumn = null;
foreach ($tableMap->getColumns() as $column)
{
$col = strtolower($column->getName());
if ($column->isForeignKey())
{
$relatedTable = $this->dbMap->getTable($column->getRelatedTableName());
if ($tableName === $relatedTable->getPhpName())
{
if ($hasParent)
{
$haveParents = true;
}
else
{
$fixColumn = $column;
$hasParent = true;
}
}
}
}
if ($haveParents)
{
// unable to dump tables having multi-recursive references
continue;
}
// get db info
$resultsSets = array();
if ($hasParent)
{
$resultsSets[] = $this->fixOrderingOfForeignKeyDataInSameTable($resultsSets, $tableName, $fixColumn);
}
else
{
$in = array();
foreach ($tableMap->getColumns() as $column)
{
$in[] = strtolower($column->getName());
}
$stmt = $this->con->query(sprintf('SELECT %s FROM %s', implode(',', $in), constant(constant($tableName.'::PEER').'::TABLE_NAME')));
$resultsSets[] = $stmt->fetchAll(PDO::FETCH_ASSOC);
$stmt->closeCursor();
unset($stmt);
}
foreach ($resultsSets as $rows)
{
if(count($rows) > 0 && !isset($dumpData[$tableName]))
{
$dumpData[$tableName] = array();
foreach ($rows as $row)
{
$pk = $tableName;
$values = array();
$primaryKeys = array();
$foreignKeys = array();
foreach ($tableMap->getColumns() as $column)
{
$col = strtolower($column->getName());
$isPrimaryKey = $column->isPrimaryKey();
if (null === $row[$col])
{
continue;
}
if ($isPrimaryKey)
{
$value = $row[$col];
$pk .= '_'.$value;
$primaryKeys[$col] = $value;
}
if ($column->isForeignKey())
{
$relatedTable = $this->dbMap->getTable($column->getRelatedTableName());
if ($isPrimaryKey)
{
$foreignKeys[$col] = $row[$col];
$primaryKeys[$col] = $relatedTable->getPhpName().'_'.$row[$col];
}
else
{
$values[$col] = $relatedTable->getPhpName().'_'.$row[$col];
$values[$col] = strlen($row[$col]) ? $relatedTable->getPhpName().'_'.$row[$col] : '';
}
}
elseif (!$isPrimaryKey || ($isPrimaryKey && !$tableMap->isUseIdGenerator()))
{
if (!empty($row[$col]) && 'ARRAY' === $column->getType())
{
$serialized = substr($row[$col], 2, -2);
$row[$col] = $serialized ? explode(' | ', $serialized) : array();
}
// We did not want auto incremented primary keys
$values[$col] = $row[$col];
}
}
if (count($primaryKeys) > 1 || (count($primaryKeys) > 0 && count($foreignKeys) > 0))
{
$values = array_merge($primaryKeys, $values);
}
$dumpData[$tableName][$pk] = $values;
}
}
}
}
return $dumpData;
}
/**
* Fixes the ordering of foreign key data, by outputting data a foreign key depends on before the table with the foreign key.
*
* @param array $classes The array with the class names.
*/
public function fixOrderingOfForeignKeyData($classes)
{
// reordering classes to take foreign keys into account
for ($i = 0, $count = count($classes); $i < $count; $i++)
{
$class = $classes[$i];
$tableMap = $this->dbMap->getTable(constant(constant($class.'::PEER').'::TABLE_NAME'));
foreach ($tableMap->getColumns() as $column)
{
if ($column->isForeignKey())
{
$relatedTable = $this->dbMap->getTable($column->getRelatedTableName());
$relatedTablePos = array_search($relatedTable->getPhpName(), $classes);
// check if relatedTable is after the current table
if ($relatedTablePos > $i)
{
// move related table 1 position before current table
$classes = array_merge(
array_slice($classes, 0, $i),
array($classes[$relatedTablePos]),
array_slice($classes, $i, $relatedTablePos - $i),
array_slice($classes, $relatedTablePos + 1)
);
// we have moved a table, so let's see if we are done
return $this->fixOrderingOfForeignKeyData($classes);
}
}
}
}
return $classes;
}
protected function fixOrderingOfForeignKeyDataInSameTable($resultsSets, $tableName, $column, $in = null)
{
$sql = sprintf('SELECT * FROM %s WHERE %s %s',
constant(constant($tableName.'::PEER').'::TABLE_NAME'),
strtolower($column->getName()),
null === $in ? 'IS NULL' : 'IN ('.$in.')');
$stmt = $this->con->prepare($sql);
$stmt->execute();
$in = array();
while ($row = $stmt->fetch(PDO::FETCH_ASSOC))
{
$in[] = "'".$row[strtolower($column->getRelatedColumnName())]."'";
$resultsSets[] = $row;
}
if ($in = implode(', ', $in))
{
$resultsSets = $this->fixOrderingOfForeignKeyDataInSameTable($resultsSets, $tableName, $column, $in);
}
return $resultsSets;
}
}