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[haskell] Refactored JSON parsing code

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This commit is contained in:
Julien Dessaux 2023-07-10 00:31:13 +02:00
parent 0f279a06d8
commit 8249bf432a
Signed by: adyxax
GPG key ID: F92E51B86E07177E
4 changed files with 22 additions and 29 deletions
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4
haskell/src/SpaceTraders/APIClient/Client.hs
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@ -11,7 +11,6 @@ module SpaceTraders.APIClient.Client
) where
import Control.Concurrent
import Control.Monad
import Data.Aeson
import Data.Aeson.Types
import qualified Data.Text as T
@ -23,8 +22,7 @@ import SpaceTraders.APIClient.Errors
data FromJSON a => APIMessage a = APIMessage { data_ :: a } deriving (Show)
instance FromJSON a => FromJSON (APIMessage a) where
parseJSON (Object o) = APIMessage <$> o .: "data"
parseJSON _ = mzero
parseJSON = withObject "APIMessage" $ \o -> APIMessage <$> o .: "data"
defaultReq :: Request
defaultReq = setRequestHost "api.spacetraders.io"

7
haskell/src/SpaceTraders/APIClient/Errors.hs
View file

@ -6,7 +6,6 @@ module SpaceTraders.APIClient.Errors
) where
import Control.Exception
import Control.Monad
import Data.Aeson
import Data.Time
import qualified Data.Text as T
@ -16,7 +15,7 @@ data APIError = APIError Int T.Text Value
deriving Show
instance Exception APIError
instance FromJSON APIError where
parseJSON (Object o) = do
parseJSON = withObject "APIError" $ \o -> do
e <- o .: "error"
code <- e .: "code"
d <- e .: "data"
@ -25,7 +24,6 @@ instance FromJSON APIError where
_ -> APIError <$> pure code
<*> e .: "message"
<*> pure d
parseJSON _ = mzero
data RateLimit = RateLimit { limitBurst :: Int
, limitPerSecond :: Int
@ -35,11 +33,10 @@ data RateLimit = RateLimit { limitBurst :: Int
, retryAfter :: Double
} deriving Show
instance FromJSON RateLimit where
parseJSON (Object o) = do
parseJSON = withObject "RateLimit" $ \o ->
RateLimit <$> o .: "limitBurst"
<*> o .: "limitPerSecond"
<*> o .: "type"
<*> o .: "remaining"
<*> o .: "reset"
<*> o .: "retryAfter"
parseJSON _ = mzero