/**
* This method instantites the Purchase object and its associated document object from values
* returned from an SQL SELECT JOIN statement.
*
* Method does not affect state and can be made static.
*
* @param array $aData
* @return Purchase
*/
private static function build(array $aData)
{
$oDocument = new Document();
$oDocument->exchangeArray($aData);
//Review, appended table purchase name name to returned columns in the join
//to avoid ambiguous column name.
//Reassigning to expected key names for hydrating the Purchase object.
$aData[Purchase::ID] = $aData['purchase.' . Purchase::ID];
$aData[Purchase::CREATED_ON] = $aData['purchase.' . Purchase::CREATED_ON];
$aData[Purchase::EMAIL] = $aData['purchase.' . Purchase::EMAIL];
$oPurchase = new Purchase();
$oPurchase->exchangeArray($aData);
$oPurchase->setDocument($oDocument);
return $oPurchase;
}
