module TD.Data.Error
( Error(..)
, defaultError
) where
import qualified Data.Aeson as A
import qualified Data.Aeson.Types as AT
import qualified TD.Lib.Internal as I
import qualified Data.Text as T
data Error
= Error
{ Error -> Maybe Int
code :: Maybe Int
, Error -> Maybe Text
message :: Maybe T.Text
}
deriving (Error -> Error -> Bool
(Error -> Error -> Bool) -> (Error -> Error -> Bool) -> Eq Error
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: Error -> Error -> Bool
== :: Error -> Error -> Bool
$c/= :: Error -> Error -> Bool
/= :: Error -> Error -> Bool
Eq, Int -> Error -> ShowS
[Error] -> ShowS
Error -> String
(Int -> Error -> ShowS)
-> (Error -> String) -> ([Error] -> ShowS) -> Show Error
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> Error -> ShowS
showsPrec :: Int -> Error -> ShowS
$cshow :: Error -> String
show :: Error -> String
$cshowList :: [Error] -> ShowS
showList :: [Error] -> ShowS
Show)
instance I.ShortShow Error where
shortShow :: Error -> String
shortShow Error
{ code :: Error -> Maybe Int
code = Maybe Int
code_
, message :: Error -> Maybe Text
message = Maybe Text
message_
}
= String
"Error"
String -> ShowS
forall a. [a] -> [a] -> [a]
++ [String] -> String
I.cc
[ String
"code" String -> Maybe Int -> String
forall a. ShortShow a => String -> Maybe a -> String
`I.p` Maybe Int
code_
, String
"message" String -> Maybe Text -> String
forall a. ShortShow a => String -> Maybe a -> String
`I.p` Maybe Text
message_
]
instance AT.FromJSON Error where
parseJSON :: Value -> Parser Error
parseJSON v :: Value
v@(AT.Object Object
obj) = do
String
t <- Object
obj Object -> Key -> Parser String
forall a. FromJSON a => Object -> Key -> Parser a
A..: Key
"@type" :: AT.Parser String
case String
t of
String
"error" -> Value -> Parser Error
parseError Value
v
String
_ -> Parser Error
forall a. Monoid a => a
mempty
where
parseError :: A.Value -> AT.Parser Error
parseError :: Value -> Parser Error
parseError = String -> (Object -> Parser Error) -> Value -> Parser Error
forall a. String -> (Object -> Parser a) -> Value -> Parser a
A.withObject String
"Error" ((Object -> Parser Error) -> Value -> Parser Error)
-> (Object -> Parser Error) -> Value -> Parser Error
forall a b. (a -> b) -> a -> b
$ \Object
o -> do
Maybe Int
code_ <- Object
o Object -> Key -> Parser (Maybe Int)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
A..:? Key
"code"
Maybe Text
message_ <- Object
o Object -> Key -> Parser (Maybe Text)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
A..:? Key
"message"
Error -> Parser Error
forall a. a -> Parser a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Error -> Parser Error) -> Error -> Parser Error
forall a b. (a -> b) -> a -> b
$ Error
{ code :: Maybe Int
code = Maybe Int
code_
, message :: Maybe Text
message = Maybe Text
message_
}
parseJSON Value
_ = Parser Error
forall a. Monoid a => a
mempty
instance AT.ToJSON Error where
toJSON :: Error -> Value
toJSON Error
{ code :: Error -> Maybe Int
code = Maybe Int
code_
, message :: Error -> Maybe Text
message = Maybe Text
message_
}
= [Pair] -> Value
A.object
[ Key
"@type" Key -> Value -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
forall v. ToJSON v => Key -> v -> Pair
A..= Text -> Value
AT.String Text
"error"
, Key
"code" Key -> Maybe Int -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
forall v. ToJSON v => Key -> v -> Pair
A..= Maybe Int
code_
, Key
"message" Key -> Maybe Text -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
forall v. ToJSON v => Key -> v -> Pair
A..= Maybe Text
message_
]
defaultError :: Error
defaultError :: Error
defaultError =
Error
{ code :: Maybe Int
code = Maybe Int
forall a. Maybe a
Nothing
, message :: Maybe Text
message = Maybe Text
forall a. Maybe a
Nothing
}