public static function buildRelations(MetaClass $class)
{
$out = null;
$knownJunctions = array();
foreach ($class->getAllProperties() as $property) {
if ($relation = $property->getRelation()) {
$foreignClass = $property->getType()->getClass();
if ($relation->getId() == MetaRelation::ONE_TO_MANY || !$foreignClass->getPattern()->tableExists() || $class->getParent()) {
continue;
} elseif ($relation->getId() == MetaRelation::MANY_TO_MANY) {
$tableName = $class->getTableName() . '_' . $foreignClass->getTableName();
if (isset($knownJunctions[$tableName])) {
continue;
} else {
$knownJunctions[$tableName] = true;
}
$foreignPropery = clone $foreignClass->getIdentifier();
$name = $class->getName();
$name = strtolower($name[0]) . substr($name, 1);
$name .= 'Id';
$foreignPropery->setName($name)->setColumnName($foreignPropery->getConvertedName())->setIdentifier(false);
// we don't want any garbage in such tables
$property = clone $property;
$property->required();
// prevent name collisions
if ($property->getRelationColumnName() == $foreignPropery->getColumnName()) {
$foreignPropery->setColumnName($class->getTableName() . '_' . $property->getConvertedName() . '_id');
}
$out .= <<<EOT
\$schema->
\taddTable(
\t\tDBTable::create('{$tableName}')->
\t\t{$property->toColumn()}->
\t\t{$foreignPropery->toColumn()}->
\t\taddUniques('{$property->getRelationColumnName()}', '{$foreignPropery->getColumnName()}')
\t);
EOT;
} else {
$sourceTable = $class->getTableName();
$sourceColumn = $property->getRelationColumnName();
$targetTable = $foreignClass->getTableName();
$targetColumn = $foreignClass->getIdentifier()->getColumnName();
$out .= <<<EOT
// {$sourceTable}.{$sourceColumn} -> {$targetTable}.{$targetColumn}
\$schema->
\tgetTableByName('{$sourceTable}')->
\t\tgetColumnByName('{$sourceColumn}')->
\t\t\tsetReference(
\t\t\t\t\$schema->
\t\t\t\t\tgetTableByName('{$targetTable}')->
\t\t\t\t\tgetColumnByName('{$targetColumn}'),
\t\t\t\tForeignChangeAction::restrict(),
\t\t\t\tForeignChangeAction::cascade()
\t\t\t);
EOT;
}
}
}
return $out;
}
