Created
February 3, 2014 12:21
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Simple table generator from LeanMapper's entities. In develompent
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<?php | |
use LeanMapper\IMapper; | |
class SchemaGenerator | |
{ | |
private $mapper; | |
public function __construct(IMapper $mapper) | |
{ | |
$this->mapper = $mapper; | |
} | |
public function createSchema(array $entities) | |
{ | |
$schema = new Doctrine\DBAL\Schema\Schema(); | |
/** @var \LeanMapper\Entity $entity */ | |
foreach ($entities as $entity) | |
{ | |
$reflection = $entity->getReflection($this->mapper); | |
$properties = $reflection->getEntityProperties(); | |
if (count($properties) === 0) { | |
continue; | |
} | |
$table = $schema->createTable($this->mapper->getTable(get_class($entity))); | |
foreach ($properties as $property) | |
{ | |
if (!$property->hasRelationship()) { | |
$type = $this->getType($property); | |
if ($type === NULL) { | |
continue; | |
} | |
/** @var \Doctrine\DBAL\Schema\Column $column */ | |
$column = $table->addColumn($property->getColumn(), $type); | |
if ($property->hasCustomFlag('autoincrement')) { | |
$column->setAutoincrement(true); | |
$table->setPrimaryKey([$property->getColumn()]); | |
} | |
if ($property->hasCustomFlag('unique')) { | |
$table->addUniqueIndex([$column->getName()]); | |
} | |
if ($property->containsEnumeration()) { | |
$column->getType()->setEnumeration($property->getEnumValues()); | |
} | |
if ($property->hasCustomFlag('size')) { | |
$column->setLength($property->getCustomFlagValue('size')); | |
} | |
} else { | |
$relationship = $property->getRelationship(); | |
if ($relationship instanceof \LeanMapper\Relationship\HasMany) { | |
$relationshipTable = $schema->createTable($relationship->getRelationshipTable()); | |
$relationshipTable->addColumn($relationship->getColumnReferencingSourceTable(), 'integer'); | |
$relationshipTable->addColumn($relationship->getColumnReferencingTargetTable(), 'integer'); | |
$relationshipTable->addForeignKeyConstraint($relationship->getRelationshipTable(), [$relationship->getColumnReferencingSourceTable()], [$this->mapper->getPrimaryKey($relationship->getRelationshipTable())], array('onDelete' => 'CASCADE')); | |
$relationshipTable->addForeignKeyConstraint($relationship->getTargetTable(), [$relationship->getColumnReferencingTargetTable()], [$this->mapper->getPrimaryKey($relationship->getRelationshipTable())], array('onDelete' => 'CASCADE')); | |
} elseif ($relationship instanceof \LeanMapper\Relationship\HasOne) { | |
$column = $table->addColumn($relationship->getColumnReferencingTargetTable(), 'integer'); | |
$cascade = $property->isNullable() ? 'SET NULL' : 'CASCADE'; | |
$table->addForeignKeyConstraint($relationship->getTargetTable(), [$column->getName()], [$this->mapper->getPrimaryKey($relationship->getTargetTable())], array('onDelete' => $cascade)); | |
} | |
} | |
if (isset($column)) { | |
if ($property->isNullable()) { | |
$column->setNotnull(false); | |
} | |
if ($property->hasDefaultValue()) { | |
$column->setDefault($property->getDefaultValue()); | |
} | |
} | |
} | |
} | |
return $schema; | |
} | |
private function getType(LeanMapper\Reflection\Property $property) | |
{ | |
$type = NULL; | |
if ($property->isBasicType()) { | |
$type = $property->getType(); | |
if ($type == 'string') { | |
if (!$property->hasCustomFlag('size')) { | |
$type = 'text'; | |
} | |
} | |
if ($property->containsEnumeration()) { | |
$type = 'enum'; | |
} | |
} else { | |
// Objects | |
$class = new ReflectionClass($property->getType()); | |
$class = $class->newInstance(); | |
if ($class instanceof DateTime) { | |
if ($property->hasCustomFlag('format')) { | |
$type = $property->getCustomFlagValue('format'); | |
} else { | |
$type = 'datetime'; | |
} | |
} | |
} | |
return $type; | |
} | |
} |
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