Codec.hs

-- @generated by keiro-dsl 0.17.0.0 (language keiro-dsl 6) from aggregate IncidentSaga; do not edit.
module Generated.ProcessTimers.IncidentSaga.Codec (
    incidentSagaCodec,
    parseIncidentSagaEvent,
    encodeIncidentSagaEvent,
) where

import Generated.ProcessTimers.IncidentSaga.Domain
import Generated.ProcessTimers.Nominals (incidentIdText)
import Generated.ProcessTimers.Nominals.Internal (unsafeIncidentIdFromLegacyText)
import Data.Aeson (Value, object, withObject, (.:), (.=))
import Data.Aeson.Types (parseEither)
import Data.List.NonEmpty (NonEmpty (..))
import Data.List.NonEmpty qualified as NonEmpty
import Data.Text (Text)
import qualified Data.Text as T
import Keiro.Codec (Codec (..), EventType (..))





incidentSagaEventTypes :: NonEmpty EventType
incidentSagaEventTypes = EventType "IncidentRecorded" :| []

incidentSagaCodec :: Codec IncidentSagaEvent
incidentSagaCodec =
  Codec
    { eventTypes = incidentSagaEventTypes
    , eventType = \case
        IncidentRecorded{} -> EventType "IncidentRecorded"
    , schemaVersion = 1
    , encode = encodeIncidentSagaEvent
    , decode = parseIncidentSagaEvent
    , upcasters = []
    }

encodeIncidentSagaEvent :: IncidentSagaEvent -> Value
encodeIncidentSagaEvent = \case
  IncidentRecorded payload ->
    object
      [ "kind" .= ("IncidentRecorded" :: Text)
      , "incidentId" .= incidentIdText payload.incidentId
      ]

parseIncidentSagaEvent :: EventType -> Value -> Either Text IncidentSagaEvent
parseIncidentSagaEvent (EventType tag) = mapLeftText . parseEither (withObject "IncidentSagaEvent" go)
  where
    go o = do
      case tag of
        "IncidentRecorded" ->
          IncidentRecorded
            <$> ( IncidentRecordedData
                    <$> (unsafeIncidentIdFromLegacyText <$> o .: "incidentId")
                )
        _ -> fail ("unknown event type " <> show tag <> "; expected one of: " <> renderExpectedEventTypes incidentSagaEventTypes)

mapLeftText :: Either String b -> Either Text b
mapLeftText = either (Left . T.pack) Right

renderExpectedEventTypes :: NonEmpty EventType -> String
renderExpectedEventTypes =
  T.unpack
    . T.intercalate ", "
    . map (\(EventType eventTypeName) -> eventTypeName)
    . NonEmpty.toList