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package xyz.driver.core.database
import xyz.driver.core.rest.errors.DatabaseException
import scala.reflect.ClassTag
trait Converters {
def fromStringOrThrow[ADT](entityStr: String, mapper: (String => Option[ADT]), entityName: String): ADT =
mapper(entityStr).getOrElse(throw DatabaseException(s"Invalid $entityName in database: $entityStr"))
def expectValid[ADT](mapper: String => Option[ADT], query: String)(implicit ct: ClassTag[ADT]): ADT =
fromStringOrThrow[ADT](query, mapper, ct.toString())
def expectExistsAndValid[ADT](mapper: String => Option[ADT], query: Option[String], contextMsg: String = "")(
implicit ct: ClassTag[ADT]): ADT = {
expectValid[ADT](mapper, query.getOrElse(throw DatabaseException(contextMsg)))
}
}
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