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{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE OverloadedStrings #-}
module SpaceTraders.APIClient.Errors
( APIError(..)
, RateLimit(..)
, ResetHappened(..)
) where
import Control.Exception
import Data.Aeson
import Data.Time
import qualified Data.Text as T
import GHC.Generics
data APIError = APIError Int T.Text Value
| APIRateLimit RateLimit
| APIResetHappened ResetHappened
deriving Show
instance Exception APIError
instance FromJSON APIError where
parseJSON = withObject "APIError" $ \o -> do
e <- o .: "error"
code <- e .: "code"
d <- e .: "data"
case code of
401 -> APIResetHappened <$> parseJSON d
429 -> APIRateLimit <$> parseJSON d
_ -> APIError <$> pure code
<*> e .: "message"
<*> pure d
data RateLimit = RateLimit { limitBurst :: Int
, limitPerSecond :: Int
, rateLimitType :: T.Text
, remaining :: Int
, reset :: UTCTime
, retryAfter :: Double
} deriving Show
instance FromJSON RateLimit where
parseJSON = withObject "RateLimit" $ \o ->
RateLimit <$> o .: "limitBurst"
<*> o .: "limitPerSecond"
<*> o .: "type"
<*> o .: "remaining"
<*> o .: "reset"
<*> o .: "retryAfter"
data ResetHappened = ResetHappened { actual :: T.Text
, expected :: T.Text
} deriving (FromJSON, Generic, Show, ToJSON)
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