haskell/src/SpaceTraders/APIClient/Contracts.hs


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{-# LANGUAGE OverloadedStrings #-}

module SpaceTraders.APIClient.Contracts
  ( myContracts
  ) where

import           Network.HTTP.Simple

import           SpaceTraders
import           SpaceTraders.APIClient.Client
import           SpaceTraders.APIClient.Pagination
import           SpaceTraders.Database.Contracts
import           SpaceTraders.Model.Contract       (Contract)

myContracts :: SpaceTradersT (APIResponse [Contract])
myContracts = do
  listContracts' Pagination{limit=20, page=1, total=0}
  where
    listContracts' :: Pagination -> SpaceTradersT (APIResponse [Contract])
    listContracts' p = do
      resp <- sendPaginated (Just p) $ setRequestPath "/v2/my/contracts" :: SpaceTradersT (APIPaginatedResponse [Contract])
      case resp of
        Left e -> return $ Left e
        Right (APIMessage r (Just p')) -> do
          mapM_ setContract r
          if limit p' * page p' < total p' then listContracts' (nextPage p')
                                             else Right <$> getContracts
        _ -> undefined