[haskell] Implemented pagination and systems list api call

1 files changed, 28 insertions, 0 deletions

diff --git a/haskell/src/SpaceTraders/Model/Waypoint.hs b/haskell/src/SpaceTraders/Model/Waypoint.hs
new file mode 100644
index 0000000..d18cc11
--- /dev/null
+++ b/haskell/src/SpaceTraders/Model/Waypoint.hs
@@ -0,0 +1,28 @@
+{-# LANGUAGE DeriveAnyClass #-}
+{-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE OverloadedStrings #-}
+
+module SpaceTraders.Model.Waypoint
+  ( Waypoint(..)
+  ) where
+
+import Data.Aeson
+import qualified Data.Text as T
+import GHC.Generics
+
+data Waypoint = Waypoint { symbol :: T.Text
+                         , waypointType :: T.Text
+                         , x :: Int
+                         , y :: Int
+                         } deriving (Generic, Show)
+instance FromJSON Waypoint where
+  parseJSON = withObject "Waypoint" $ \o ->
+    Waypoint <$> o .: "symbol"
+             <*> o .: "type"
+             <*> o .: "x"
+             <*> o .: "y"
+instance ToJSON Waypoint where
+  toEncoding (Waypoint s t xx yy) = pairs ( "symbol" .= s
+                                         <> "type" .= t
+                                         <> "x" .= xx
+                                         <> "y" .= yy )