Codec.hs

-- @generated by keiro-dsl 0.17.0.0 (language keiro-dsl 6) from aggregate Incident; do not edit.
module Generated.IncidentResponse.Incident.Codec (
    incidentCodec,
    parseIncidentEvent,
    encodeIncidentEvent,
) where

import Generated.IncidentResponse.Incident.Domain
import Generated.IncidentResponse.Nominals (incidentIdText)
import Generated.IncidentResponse.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 (..))





incidentEventTypes :: NonEmpty EventType
incidentEventTypes = EventType "IncidentAcknowledged" :| [EventType "IncidentEscalated"]

incidentCodec :: Codec IncidentEvent
incidentCodec =
  Codec
    { eventTypes = incidentEventTypes
    , eventType = \case
        IncidentAcknowledged{} -> EventType "IncidentAcknowledged"
        IncidentEscalated{} -> EventType "IncidentEscalated"
    , schemaVersion = 1
    , encode = encodeIncidentEvent
    , decode = parseIncidentEvent
    , upcasters = []
    }

encodeIncidentEvent :: IncidentEvent -> Value
encodeIncidentEvent = \case
  IncidentAcknowledged payload ->
    object
      [ "kind" .= ("IncidentAcknowledged" :: Text)
      , "incidentId" .= incidentIdText payload.incidentId
      ]
  IncidentEscalated payload ->
    object
      [ "kind" .= ("IncidentEscalated" :: Text)
      , "incidentId" .= incidentIdText payload.incidentId
      ]

parseIncidentEvent :: EventType -> Value -> Either Text IncidentEvent
parseIncidentEvent (EventType tag) = mapLeftText . parseEither (withObject "IncidentEvent" go)
  where
    go o = do
      case tag of
        "IncidentAcknowledged" ->
          IncidentAcknowledged
            <$> ( IncidentAcknowledgedData
                    <$> (unsafeIncidentIdFromLegacyText <$> o .: "incidentId")
                )
        "IncidentEscalated" ->
          IncidentEscalated
            <$> ( IncidentEscalatedData
                    <$> (unsafeIncidentIdFromLegacyText <$> o .: "incidentId")
                )
        _ -> fail ("unknown event type " <> show tag <> "; expected one of: " <> renderExpectedEventTypes incidentEventTypes)

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