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package xyz.driver.pdsuicommon.db
import java.io.Closeable
import java.time.{LocalDateTime, ZoneOffset}
import java.util.UUID
import java.util.concurrent.Executors
import javax.sql.DataSource
import io.getquill._
import xyz.driver.pdsuicommon.concurrent.MdcExecutionContext
import xyz.driver.pdsuicommon.db.PostgresContext.Settings
import xyz.driver.pdsuicommon.domain.UuidId
import xyz.driver.pdsuicommon.logging._
import scala.concurrent.ExecutionContext
import scala.util.control.NonFatal
import scala.util.{Failure, Success, Try}
object PostgresContext extends PhiLogging {
final case class Settings(connection: com.typesafe.config.Config,
connectionAttemptsOnStartup: Int,
threadPoolSize: Int)
def apply(settings: Settings): PostgresContext = {
// Prevent leaking credentials to a log
Try(JdbcContextConfig(settings.connection).dataSource) match {
case Success(dataSource) => new PostgresContext(dataSource, settings)
case Failure(NonFatal(e)) =>
logger.error(phi"Can not load dataSource, error: ${Unsafe(e.getClass.getName)}")
throw new IllegalArgumentException("Can not load dataSource from config. Check your database and config", e)
}
}
}
class PostgresContext(val dataSource: DataSource with Closeable, settings: Settings)
extends PostgresJdbcContext[SnakeCase](dataSource) with TransactionalContext {
private val tpe = Executors.newFixedThreadPool(settings.threadPoolSize)
implicit val executionContext: ExecutionContext = {
val orig = ExecutionContext.fromExecutor(tpe)
MdcExecutionContext.from(orig)
}
override def close(): Unit = {
super.close()
tpe.shutdownNow()
}
/**
* Usable for QueryBuilder's extractors
*/
def timestampToLocalDateTime(timestamp: java.sql.Timestamp): LocalDateTime = {
LocalDateTime.ofInstant(timestamp.toInstant, ZoneOffset.UTC)
}
implicit def encodeUuidId[T] = MappedEncoding[UuidId[T], String](_.toString)
implicit def decodeUuidId[T] = MappedEncoding[String, UuidId[T]] { uuid =>
UuidId[T](UUID.fromString(uuid))
}
def decodeOptUuidId[T] = MappedEncoding[Option[String], Option[UuidId[T]]] {
case Some(x) => Option(x).map(y => UuidId[T](UUID.fromString(y)))
case None => None
}
implicit def decodeUuid[T] = MappedEncoding[String, UUID] { uuid =>
UUID.fromString(uuid)
}
}
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