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<?php
namespace Muffin\Queries\Snippets\Builders;
use Muffin\Queries\Snippets\NeedTableAware;
trait QueryPart
{
private
$neededTableNames = [];
public function add(\Muffin\QueryPart $queryPart)
$queryPart->build($this);
return $this;
}
public function needTable($tableName)
if(! in_array($tableName, $this->neededTableNames))
$this->neededTableNames[] = $tableName;
public function ensureNeededTablesArePresent(array $snippets)
foreach($this->neededTableNames as $tableName)
if(! $this->isAtLeastOneSnippetHasNeededTable($tableName, $snippets))
throw new \LogicException("One of query parts you used needs $tableName table");
private function isAtLeastOneSnippetHasNeededTable($tableName, array $snippets)
foreach($snippets as $snippet)
if(! $snippet instanceof NeedTableAware)
throw new \LogicException('Snippet has not expected NeedTableAware type');
if($snippet->hasNeededTable($tableName))
return true;
return false;
lebris /
muffin
