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|
{-# LANGUAGE ApplicativeDo #-}
{-# LANGUAGE BlockArguments #-}
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE DerivingVia #-}
{-# LANGUAGE LambdaCase #-}
module OwnTracks
(Message(..),
module OwnTracks.Location,
module OwnTracks.Status,
module OwnTracks.Configuration,
module OwnTracks.Command,
module OwnTracks.Waypoint
) 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.Command
import OwnTracks.Configuration
import OwnTracks.Location
import OwnTracks.Status
import OwnTracks.Waypoint
data Message =
MsgLocation Location
| MsgStatus Status
| MsgConfig Configuration
| MsgWaypoints [Waypoint]
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
"configuration" -> MsgConfig <$> parseJSON v
"waypoints" -> MsgWaypoints <$> o .: "waypoints"
_ -> fail "unknown _type of owntracks message."
|
