GeoLine.hs

{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE TemplateHaskell #-}

-------------------------------------------------------------------

-- |
-- Module       : Data.Geospatial.Internal.Geometry.GeoLine
-- Copyright    : (C) 2014-2021 HS-GeoJSON Project
-- License      : BSD-style (see the file LICENSE.md)
-- Maintainer   : Andrew Newman
module Data.Geospatial.Internal.Geometry.GeoLine
  ( -- * Type
    GeoLine (..),

    -- * Lenses
    unGeoLine,
  )
where

import Control.DeepSeq
import Control.Lens (makeLenses)
import Control.Monad (mzero)
import Data.Aeson
  ( FromJSON (..),
    ToJSON (..),
    Value (..),
  )
import Data.Geospatial.Internal.BasicTypes
import Data.Geospatial.Internal.Geometry.Aeson
import Data.LineString
import GHC.Generics (Generic)

newtype GeoLine = GeoLine {_unGeoLine :: LineString GeoPositionWithoutCRS} deriving (Show, Eq, Generic, NFData)

makeLenses ''GeoLine

-- instances

instance ToJSON GeoLine where
  --  toJSON :: a -> Value
  toJSON = makeGeometryGeoAeson "LineString" . _unGeoLine

instance FromJSON GeoLine where
  --  parseJSON :: Value -> Parser a
  parseJSON (Object o) = readGeometryGeoAeson "LineString" GeoLine o
  parseJSON _ = mzero