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{-# LANGUAGE BlockArguments #-}
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE DerivingVia #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE ApplicativeDo #-}
module OwnTracks
(Message(..),
module OwnTracks.Location,
module OwnTracks.Status
) where
import Data.Aeson
import Data.Aeson.Types (Parser)
import Data.ByteString (ByteString)
import Data.ByteString.Base64
import Data.Functor ((<&>))
import Data.Text (Text)
import qualified Data.Text as T
import Data.Text.Encoding (encodeUtf8)
import Data.Time (
UTCTime,
defaultTimeLocale,
parseTimeM)
import Database.Persist
import GHC.Generics (Generic)
import OwnTracks.Location
import OwnTracks.Status
data Message =
MsgLocation Location
| MsgStatus Status -- TODO
deriving (Generic, Show, Eq)
instance FromJSON Message where
parseJSON v@(Object o) = do
ty :: Text <- o .: "_type"
case ty of
"location" -> MsgLocation <$> parseJSON v
"status" -> MsgStatus <$> parseJSON v
_ -> fail "unknown _type of owntracks message."
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