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package xyz.driver.common.db
import java.io.Closeable
import java.net.URI
import java.time._
import java.util.UUID
import java.util.concurrent.Executors
import javax.sql.DataSource
import xyz.driver.common.logging.{PhiLogging, Unsafe}
import xyz.driver.common.concurrent.MdcExecutionContext
import xyz.driver.common.db.SqlContext.Settings
import xyz.driver.common.domain._
import xyz.driver.common.error.IncorrectIdException
import xyz.driver.common.utils.JsonSerializer
import com.typesafe.config.Config
import io.getquill._
import scala.concurrent.ExecutionContext
import scala.util.control.NonFatal
import scala.util.{Failure, Success, Try}
object SqlContext extends PhiLogging {
case class DbCredentials(user: String,
password: String,
host: String,
port: Int,
dbName: String,
dbCreateFlag: Boolean,
dbContext: String,
connectionParams: String,
url: String)
case class Settings(credentials: DbCredentials,
connection: Config,
connectionAttemptsOnStartup: Int,
threadPoolSize: Int)
def apply(settings: Settings): SqlContext = {
// Prevent leaking credentials to a log
Try(JdbcContextConfig(settings.connection).dataSource) match {
case Success(dataSource) => new SqlContext(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")
}
}
}
class SqlContext(dataSource: DataSource with Closeable, settings: Settings)
extends MysqlJdbcContext[MysqlEscape](dataSource)
with EntityExtractorDerivation[Literal] {
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()
}
// ///////// Encodes/Decoders ///////////
/**
* Overrode, because Quill JDBC optionDecoder pass null inside decoders.
* If custom decoder don't have special null handler, it will failed.
*
* @see https://github.com/getquill/quill/issues/535
*/
implicit override def optionDecoder[T](implicit d: Decoder[T]): Decoder[Option[T]] =
decoder(
sqlType = d.sqlType,
row => index => {
try {
val res = d(index - 1, row)
if (row.wasNull) {
None
}
else {
Some(res)
}
} catch {
case _: NullPointerException => None
case _: IncorrectIdException => None
}
}
)
implicit def encodeStringId[T] = MappedEncoding[StringId[T], String](_.id)
implicit def decodeStringId[T] = MappedEncoding[String, StringId[T]] {
case "" => throw IncorrectIdException("'' is an invalid Id value")
case x => StringId(x)
}
def decodeOptStringId[T] = MappedEncoding[Option[String], Option[StringId[T]]] {
case None | Some("") => None
case Some(x) => Some(StringId(x))
}
implicit def encodeLongId[T] = MappedEncoding[LongId[T], Long](_.id)
implicit def decodeLongId[T] = MappedEncoding[Long, LongId[T]] {
case 0 => throw IncorrectIdException("0 is an invalid Id value")
case x => LongId(x)
}
// TODO Dirty hack, see REP-475
def decodeOptLongId[T] = MappedEncoding[Option[Long], Option[LongId[T]]] {
case None | Some(0) => None
case Some(x) => Some(LongId(x))
}
implicit def encodeUuidId[T] = MappedEncoding[UuidId[T], String](_.toString)
implicit def decodeUuidId[T] = MappedEncoding[String, UuidId[T]] {
case "" => throw IncorrectIdException("'' is an invalid Id value")
case x => UuidId(x)
}
def decodeOptUuidId[T] = MappedEncoding[Option[String], Option[UuidId[T]]] {
case None | Some("") => None
case Some(x) => Some(UuidId(x))
}
implicit def encodeTextJson[T: Manifest] = MappedEncoding[TextJson[T], String](x => JsonSerializer.serialize(x.content))
implicit def decodeTextJson[T: Manifest] = MappedEncoding[String, TextJson[T]] { x =>
TextJson(JsonSerializer.deserialize[T](x))
}
implicit val encodeUserRole = MappedEncoding[User.Role, Int](_.bit)
implicit val decodeUserRole = MappedEncoding[Int, User.Role] {
// 0 is treated as null for numeric types
case 0 => throw new NullPointerException("0 means no roles. A user must have a role")
case x => User.Role(x)
}
implicit val encodeEmail = MappedEncoding[Email, String](_.value.toString)
implicit val decodeEmail = MappedEncoding[String, Email](Email)
implicit val encodePasswordHash = MappedEncoding[PasswordHash, Array[Byte]](_.value)
implicit val decodePasswordHash = MappedEncoding[Array[Byte], PasswordHash](PasswordHash(_))
implicit val encodeUri = MappedEncoding[URI, String](_.toString)
implicit val decodeUri = MappedEncoding[String, URI](URI.create)
implicit val encodeCaseId = MappedEncoding[CaseId, String](_.id.toString)
implicit val decodeCaseId = MappedEncoding[String, CaseId](CaseId(_))
implicit val encodeFuzzyValue = {
MappedEncoding[FuzzyValue, String] {
case FuzzyValue.No => "No"
case FuzzyValue.Yes => "Yes"
case FuzzyValue.Maybe => "Maybe"
}
}
implicit val decodeFuzzyValue = MappedEncoding[String, FuzzyValue] {
case "Yes" => FuzzyValue.Yes
case "No" => FuzzyValue.No
case "Maybe" => FuzzyValue.Maybe
case x =>
Option(x).fold {
throw new NullPointerException("FuzzyValue is null") // See catch in optionDecoder
} { _ =>
throw new IllegalStateException(s"Unknown fuzzy value: $x")
}
}
implicit val encodeRecordRequestId = MappedEncoding[RecordRequestId, String](_.id.toString)
implicit val decodeRecordRequestId = MappedEncoding[String, RecordRequestId] { x =>
RecordRequestId(UUID.fromString(x))
}
final implicit class LocalDateTimeDbOps(val left: LocalDateTime) {
// scalastyle:off
def <=(right: LocalDateTime): Quoted[Boolean] = quote(infix"$left <= $right".as[Boolean])
}
}
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