{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE NoImplicitPrelude #-}
module Data.Morpheus.Subscriptions.Apollo
( ApolloAction (..),
apolloFormat,
acceptApolloRequest,
toApolloResponse,
Validation,
ApolloSubscription (..),
ApolloMessageType (..),
)
where
import Control.Applicative (Applicative (..))
import Control.Monad.Fail (fail)
import Control.Monad.IO.Class (MonadIO (..))
import Data.Aeson
( FromJSON (..),
ToJSON (..),
Value (..),
eitherDecode,
encode,
pairs,
withObject,
withText,
(.:),
(.:?),
(.=),
)
import Data.ByteString.Lazy.Char8
( ByteString,
pack,
)
import Data.Either
( Either (..),
either,
)
import Data.Functor ((<$>))
import Data.Maybe
( Maybe (..),
maybe,
)
import Data.Morpheus.Types.IO
( GQLRequest (..),
GQLResponse,
)
import Data.Morpheus.Types.Internal.AST
( FieldName,
Token,
)
import Data.Semigroup ((<>))
import Data.Text
( Text,
unpack,
)
import GHC.Generics (Generic)
import Network.WebSockets
( AcceptRequest (..),
Connection,
PendingConnection,
RequestHead,
acceptRequestWith,
getRequestSubprotocols,
pendingRequest,
)
import Prelude
( Eq,
Show,
String,
mempty,
return,
($),
(.),
)
type ID = Text
data ApolloSubscription payload = ApolloSubscription
{ forall payload. ApolloSubscription payload -> Maybe Text
apolloId :: Maybe ID,
forall payload. ApolloSubscription payload -> ApolloMessageType
apolloType :: ApolloMessageType,
forall payload. ApolloSubscription payload -> Maybe payload
apolloPayload :: Maybe payload
}
deriving (Int -> ApolloSubscription payload -> ShowS
[ApolloSubscription payload] -> ShowS
ApolloSubscription payload -> String
(Int -> ApolloSubscription payload -> ShowS)
-> (ApolloSubscription payload -> String)
-> ([ApolloSubscription payload] -> ShowS)
-> Show (ApolloSubscription payload)
forall payload.
Show payload =>
Int -> ApolloSubscription payload -> ShowS
forall payload.
Show payload =>
[ApolloSubscription payload] -> ShowS
forall payload.
Show payload =>
ApolloSubscription payload -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: forall payload.
Show payload =>
Int -> ApolloSubscription payload -> ShowS
showsPrec :: Int -> ApolloSubscription payload -> ShowS
$cshow :: forall payload.
Show payload =>
ApolloSubscription payload -> String
show :: ApolloSubscription payload -> String
$cshowList :: forall payload.
Show payload =>
[ApolloSubscription payload] -> ShowS
showList :: [ApolloSubscription payload] -> ShowS
Show, (forall x.
ApolloSubscription payload -> Rep (ApolloSubscription payload) x)
-> (forall x.
Rep (ApolloSubscription payload) x -> ApolloSubscription payload)
-> Generic (ApolloSubscription payload)
forall x.
Rep (ApolloSubscription payload) x -> ApolloSubscription payload
forall x.
ApolloSubscription payload -> Rep (ApolloSubscription payload) x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
forall payload x.
Rep (ApolloSubscription payload) x -> ApolloSubscription payload
forall payload x.
ApolloSubscription payload -> Rep (ApolloSubscription payload) x
$cfrom :: forall payload x.
ApolloSubscription payload -> Rep (ApolloSubscription payload) x
from :: forall x.
ApolloSubscription payload -> Rep (ApolloSubscription payload) x
$cto :: forall payload x.
Rep (ApolloSubscription payload) x -> ApolloSubscription payload
to :: forall x.
Rep (ApolloSubscription payload) x -> ApolloSubscription payload
Generic)
instance (FromJSON a) => FromJSON (ApolloSubscription a) where
parseJSON :: Value -> Parser (ApolloSubscription a)
parseJSON = String
-> (Object -> Parser (ApolloSubscription a))
-> Value
-> Parser (ApolloSubscription a)
forall a. String -> (Object -> Parser a) -> Value -> Parser a
withObject String
"ApolloSubscription" Object -> Parser (ApolloSubscription a)
forall {payload}.
FromJSON payload =>
Object -> Parser (ApolloSubscription payload)
objectParser
where
objectParser :: Object -> Parser (ApolloSubscription payload)
objectParser Object
o =
Maybe Text
-> ApolloMessageType -> Maybe payload -> ApolloSubscription payload
forall payload.
Maybe Text
-> ApolloMessageType -> Maybe payload -> ApolloSubscription payload
ApolloSubscription
(Maybe Text
-> ApolloMessageType
-> Maybe payload
-> ApolloSubscription payload)
-> Parser (Maybe Text)
-> Parser
(ApolloMessageType -> Maybe payload -> ApolloSubscription payload)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Object
o Object -> Key -> Parser (Maybe Text)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
.:? Key
"id"
Parser
(ApolloMessageType -> Maybe payload -> ApolloSubscription payload)
-> Parser ApolloMessageType
-> Parser (Maybe payload -> ApolloSubscription payload)
forall a b. Parser (a -> b) -> Parser a -> Parser b
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
o Object -> Key -> Parser ApolloMessageType
forall a. FromJSON a => Object -> Key -> Parser a
.: Key
"type"
Parser (Maybe payload -> ApolloSubscription payload)
-> Parser (Maybe payload) -> Parser (ApolloSubscription payload)
forall a b. Parser (a -> b) -> Parser a -> Parser b
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
o Object -> Key -> Parser (Maybe payload)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
.:? Key
"payload"
data RequestPayload = RequestPayload
{ RequestPayload -> Maybe FieldName
payloadOperationName :: Maybe FieldName,
RequestPayload -> Maybe Text
payloadQuery :: Maybe Token,
RequestPayload -> Maybe Value
payloadVariables :: Maybe Value
}
deriving (Int -> RequestPayload -> ShowS
[RequestPayload] -> ShowS
RequestPayload -> String
(Int -> RequestPayload -> ShowS)
-> (RequestPayload -> String)
-> ([RequestPayload] -> ShowS)
-> Show RequestPayload
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> RequestPayload -> ShowS
showsPrec :: Int -> RequestPayload -> ShowS
$cshow :: RequestPayload -> String
show :: RequestPayload -> String
$cshowList :: [RequestPayload] -> ShowS
showList :: [RequestPayload] -> ShowS
Show, (forall x. RequestPayload -> Rep RequestPayload x)
-> (forall x. Rep RequestPayload x -> RequestPayload)
-> Generic RequestPayload
forall x. Rep RequestPayload x -> RequestPayload
forall x. RequestPayload -> Rep RequestPayload x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. RequestPayload -> Rep RequestPayload x
from :: forall x. RequestPayload -> Rep RequestPayload x
$cto :: forall x. Rep RequestPayload x -> RequestPayload
to :: forall x. Rep RequestPayload x -> RequestPayload
Generic)
instance FromJSON RequestPayload where
parseJSON :: Value -> Parser RequestPayload
parseJSON = String
-> (Object -> Parser RequestPayload)
-> Value
-> Parser RequestPayload
forall a. String -> (Object -> Parser a) -> Value -> Parser a
withObject String
"ApolloPayload" Object -> Parser RequestPayload
objectParser
where
objectParser :: Object -> Parser RequestPayload
objectParser Object
o =
Maybe FieldName -> Maybe Text -> Maybe Value -> RequestPayload
RequestPayload
(Maybe FieldName -> Maybe Text -> Maybe Value -> RequestPayload)
-> Parser (Maybe FieldName)
-> Parser (Maybe Text -> Maybe Value -> RequestPayload)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Object
o Object -> Key -> Parser (Maybe FieldName)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
.:? Key
"operationName"
Parser (Maybe Text -> Maybe Value -> RequestPayload)
-> Parser (Maybe Text) -> Parser (Maybe Value -> RequestPayload)
forall a b. Parser (a -> b) -> Parser a -> Parser b
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
o Object -> Key -> Parser (Maybe Text)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
.:? Key
"query"
Parser (Maybe Value -> RequestPayload)
-> Parser (Maybe Value) -> Parser RequestPayload
forall a b. Parser (a -> b) -> Parser a -> Parser b
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
o Object -> Key -> Parser (Maybe Value)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
.:? Key
"variables"
instance (ToJSON a) => ToJSON (ApolloSubscription a) where
toEncoding :: ApolloSubscription a -> Encoding
toEncoding (ApolloSubscription Maybe Text
id' ApolloMessageType
type' Maybe a
payload') =
Series -> Encoding
pairs (Series -> Encoding) -> Series -> Encoding
forall a b. (a -> b) -> a -> b
$
Key -> Maybe Text -> Series
forall {a} {e} {v}.
(Monoid a, KeyValue e a, ToJSON v) =>
Key -> Maybe v -> a
encodeMaybe Key
"id" Maybe Text
id'
Series -> Series -> Series
forall a. Semigroup a => a -> a -> a
<> Key
"type" Key -> ApolloMessageType -> Series
forall v. ToJSON v => Key -> v -> Series
forall e kv v. (KeyValue e kv, ToJSON v) => Key -> v -> kv
.= ApolloMessageType
type'
Series -> Series -> Series
forall a. Semigroup a => a -> a -> a
<> Key -> Maybe a -> Series
forall {a} {e} {v}.
(Monoid a, KeyValue e a, ToJSON v) =>
Key -> Maybe v -> a
encodeMaybe Key
"payload" Maybe a
payload'
where
encodeMaybe :: Key -> Maybe v -> a
encodeMaybe Key
_ Maybe v
Nothing = a
forall a. Monoid a => a
Prelude.mempty
encodeMaybe Key
k (Just v
v) = Key
k Key -> v -> a
forall v. ToJSON v => Key -> v -> a
forall e kv v. (KeyValue e kv, ToJSON v) => Key -> v -> kv
.= v
v
acceptApolloRequest ::
(MonadIO m) =>
PendingConnection ->
m Connection
acceptApolloRequest :: forall (m :: * -> *).
MonadIO m =>
PendingConnection -> m Connection
acceptApolloRequest PendingConnection
pending =
IO Connection -> m Connection
forall a. IO a -> m a
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO Connection -> m Connection) -> IO Connection -> m Connection
forall a b. (a -> b) -> a -> b
$
PendingConnection -> AcceptRequest -> IO Connection
acceptRequestWith
PendingConnection
pending
(RequestHead -> AcceptRequest
acceptApolloSubProtocol (PendingConnection -> RequestHead
pendingRequest PendingConnection
pending))
acceptApolloSubProtocol :: RequestHead -> AcceptRequest
acceptApolloSubProtocol :: RequestHead -> AcceptRequest
acceptApolloSubProtocol RequestHead
reqHead =
[ByteString] -> AcceptRequest
forall {a}. (Eq a, IsString a) => [a] -> AcceptRequest
apolloProtocol (RequestHead -> [ByteString]
getRequestSubprotocols RequestHead
reqHead)
where
apolloProtocol :: [a] -> AcceptRequest
apolloProtocol [a
"graphql-subscriptions"] =
Maybe ByteString -> Headers -> AcceptRequest
AcceptRequest (ByteString -> Maybe ByteString
forall a. a -> Maybe a
Just ByteString
"graphql-subscriptions") []
apolloProtocol [a
"graphql-ws"] =
Maybe ByteString -> Headers -> AcceptRequest
AcceptRequest (ByteString -> Maybe ByteString
forall a. a -> Maybe a
Just ByteString
"graphql-ws") []
apolloProtocol [a
"graphql-transport-ws"] =
Maybe ByteString -> Headers -> AcceptRequest
AcceptRequest (ByteString -> Maybe ByteString
forall a. a -> Maybe a
Just ByteString
"graphql-transport-ws") []
apolloProtocol [a]
_ = Maybe ByteString -> Headers -> AcceptRequest
AcceptRequest Maybe ByteString
forall a. Maybe a
Nothing []
toApolloResponse :: ApolloMessageType -> Maybe ID -> Maybe GQLResponse -> ByteString
toApolloResponse :: ApolloMessageType -> Maybe Text -> Maybe GQLResponse -> ByteString
toApolloResponse ApolloMessageType
responseType Maybe Text
sid_myb Maybe GQLResponse
val_myb =
ApolloSubscription GQLResponse -> ByteString
forall a. ToJSON a => a -> ByteString
encode (ApolloSubscription GQLResponse -> ByteString)
-> ApolloSubscription GQLResponse -> ByteString
forall a b. (a -> b) -> a -> b
$ Maybe Text
-> ApolloMessageType
-> Maybe GQLResponse
-> ApolloSubscription GQLResponse
forall payload.
Maybe Text
-> ApolloMessageType -> Maybe payload -> ApolloSubscription payload
ApolloSubscription Maybe Text
sid_myb ApolloMessageType
responseType Maybe GQLResponse
val_myb
data ApolloMessageType
= GqlConnectionAck
| GqlConnectionError
| GqlData
| GqlError
| GqlComplete
| GqlConnectionInit
| GqlSubscribe
| GqlPing
| GqlPong
deriving (ApolloMessageType -> ApolloMessageType -> Bool
(ApolloMessageType -> ApolloMessageType -> Bool)
-> (ApolloMessageType -> ApolloMessageType -> Bool)
-> Eq ApolloMessageType
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: ApolloMessageType -> ApolloMessageType -> Bool
== :: ApolloMessageType -> ApolloMessageType -> Bool
$c/= :: ApolloMessageType -> ApolloMessageType -> Bool
/= :: ApolloMessageType -> ApolloMessageType -> Bool
Eq, Int -> ApolloMessageType -> ShowS
[ApolloMessageType] -> ShowS
ApolloMessageType -> String
(Int -> ApolloMessageType -> ShowS)
-> (ApolloMessageType -> String)
-> ([ApolloMessageType] -> ShowS)
-> Show ApolloMessageType
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> ApolloMessageType -> ShowS
showsPrec :: Int -> ApolloMessageType -> ShowS
$cshow :: ApolloMessageType -> String
show :: ApolloMessageType -> String
$cshowList :: [ApolloMessageType] -> ShowS
showList :: [ApolloMessageType] -> ShowS
Show, (forall x. ApolloMessageType -> Rep ApolloMessageType x)
-> (forall x. Rep ApolloMessageType x -> ApolloMessageType)
-> Generic ApolloMessageType
forall x. Rep ApolloMessageType x -> ApolloMessageType
forall x. ApolloMessageType -> Rep ApolloMessageType x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. ApolloMessageType -> Rep ApolloMessageType x
from :: forall x. ApolloMessageType -> Rep ApolloMessageType x
$cto :: forall x. Rep ApolloMessageType x -> ApolloMessageType
to :: forall x. Rep ApolloMessageType x -> ApolloMessageType
Generic)
instance FromJSON ApolloMessageType where
parseJSON :: Value -> Parser ApolloMessageType
parseJSON = String
-> (Text -> Parser ApolloMessageType)
-> Value
-> Parser ApolloMessageType
forall a. String -> (Text -> Parser a) -> Value -> Parser a
withText String
"ApolloMessageType" Text -> Parser ApolloMessageType
forall {a} {m :: * -> *}.
(Eq a, IsString a, MonadFail m) =>
a -> m ApolloMessageType
txtParser
where
txtParser :: a -> m ApolloMessageType
txtParser a
"connection_ack" = ApolloMessageType -> m ApolloMessageType
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ApolloMessageType
GqlConnectionAck
txtParser a
"connection_error" = ApolloMessageType -> m ApolloMessageType
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ApolloMessageType
GqlConnectionError
txtParser a
"next" = ApolloMessageType -> m ApolloMessageType
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ApolloMessageType
GqlData
txtParser a
"error" = ApolloMessageType -> m ApolloMessageType
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ApolloMessageType
GqlError
txtParser a
"complete" = ApolloMessageType -> m ApolloMessageType
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ApolloMessageType
GqlComplete
txtParser a
"connection_init" = ApolloMessageType -> m ApolloMessageType
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ApolloMessageType
GqlConnectionInit
txtParser a
"subscribe" = ApolloMessageType -> m ApolloMessageType
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ApolloMessageType
GqlSubscribe
txtParser a
"ping" = ApolloMessageType -> m ApolloMessageType
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ApolloMessageType
GqlPing
txtParser a
"pong" = ApolloMessageType -> m ApolloMessageType
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ApolloMessageType
GqlPong
txtParser a
_ = String -> m ApolloMessageType
forall a. String -> m a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"Invalid type encountered."
instance ToJSON ApolloMessageType where
toEncoding :: ApolloMessageType -> Encoding
toEncoding = Text -> Encoding
forall a. ToJSON a => a -> Encoding
toEncoding (Text -> Encoding)
-> (ApolloMessageType -> Text) -> ApolloMessageType -> Encoding
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ApolloMessageType -> Text
apolloResponseToProtocolMsgType
apolloResponseToProtocolMsgType :: ApolloMessageType -> Text
apolloResponseToProtocolMsgType :: ApolloMessageType -> Text
apolloResponseToProtocolMsgType ApolloMessageType
GqlConnectionAck = Text
"connection_ack"
apolloResponseToProtocolMsgType ApolloMessageType
GqlConnectionError = Text
"connection_error"
apolloResponseToProtocolMsgType ApolloMessageType
GqlConnectionInit = Text
"connection_init"
apolloResponseToProtocolMsgType ApolloMessageType
GqlData = Text
"next"
apolloResponseToProtocolMsgType ApolloMessageType
GqlError = Text
"error"
apolloResponseToProtocolMsgType ApolloMessageType
GqlComplete = Text
"complete"
apolloResponseToProtocolMsgType ApolloMessageType
GqlSubscribe = Text
"subscribe"
apolloResponseToProtocolMsgType ApolloMessageType
GqlPing = Text
"ping"
apolloResponseToProtocolMsgType ApolloMessageType
GqlPong = Text
"pong"
data ApolloAction
= SessionStop ID
| SessionStart ID GQLRequest
| ConnectionInit
| Ping
type Validation = Either ByteString
apolloFormat :: ByteString -> Validation ApolloAction
apolloFormat :: ByteString -> Validation ApolloAction
apolloFormat = Either String (ApolloSubscription RequestPayload)
-> Validation ApolloAction
validateReq (Either String (ApolloSubscription RequestPayload)
-> Validation ApolloAction)
-> (ByteString
-> Either String (ApolloSubscription RequestPayload))
-> ByteString
-> Validation ApolloAction
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ByteString -> Either String (ApolloSubscription RequestPayload)
forall a. FromJSON a => ByteString -> Either String a
eitherDecode
where
validateReq :: Either String (ApolloSubscription RequestPayload) -> Validation ApolloAction
validateReq :: Either String (ApolloSubscription RequestPayload)
-> Validation ApolloAction
validateReq = (String -> Validation ApolloAction)
-> (ApolloSubscription RequestPayload -> Validation ApolloAction)
-> Either String (ApolloSubscription RequestPayload)
-> Validation ApolloAction
forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either (ByteString -> Validation ApolloAction
forall a b. a -> Either a b
Left (ByteString -> Validation ApolloAction)
-> (String -> ByteString) -> String -> Validation ApolloAction
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> ByteString
pack) ApolloSubscription RequestPayload -> Validation ApolloAction
validateSub
validateSub :: ApolloSubscription RequestPayload -> Validation ApolloAction
validateSub :: ApolloSubscription RequestPayload -> Validation ApolloAction
validateSub ApolloSubscription {apolloType :: forall payload. ApolloSubscription payload -> ApolloMessageType
apolloType = ApolloMessageType
GqlConnectionInit} =
ApolloAction -> Validation ApolloAction
forall a. a -> Either ByteString a
forall (f :: * -> *) a. Applicative f => a -> f a
pure ApolloAction
ConnectionInit
validateSub ApolloSubscription {apolloType :: forall payload. ApolloSubscription payload -> ApolloMessageType
apolloType = ApolloMessageType
GqlPing} =
ApolloAction -> Validation ApolloAction
forall a. a -> Either ByteString a
forall (f :: * -> *) a. Applicative f => a -> f a
pure ApolloAction
Ping
validateSub ApolloSubscription {apolloType :: forall payload. ApolloSubscription payload -> ApolloMessageType
apolloType = ApolloMessageType
GqlSubscribe, Maybe Text
apolloId :: forall payload. ApolloSubscription payload -> Maybe Text
apolloId :: Maybe Text
apolloId, Maybe RequestPayload
apolloPayload :: forall payload. ApolloSubscription payload -> Maybe payload
apolloPayload :: Maybe RequestPayload
apolloPayload} =
do
Text
sessionId <- Maybe Text -> Validation Text
validateSession Maybe Text
apolloId
GQLRequest
payload <- Maybe RequestPayload -> Either ByteString GQLRequest
validatePayload Maybe RequestPayload
apolloPayload
ApolloAction -> Validation ApolloAction
forall a. a -> Either ByteString a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (ApolloAction -> Validation ApolloAction)
-> ApolloAction -> Validation ApolloAction
forall a b. (a -> b) -> a -> b
$ Text -> GQLRequest -> ApolloAction
SessionStart Text
sessionId GQLRequest
payload
validateSub ApolloSubscription {apolloType :: forall payload. ApolloSubscription payload -> ApolloMessageType
apolloType = ApolloMessageType
GqlComplete, Maybe Text
apolloId :: forall payload. ApolloSubscription payload -> Maybe Text
apolloId :: Maybe Text
apolloId} =
Text -> ApolloAction
SessionStop (Text -> ApolloAction)
-> Validation Text -> Validation ApolloAction
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Maybe Text -> Validation Text
validateSession Maybe Text
apolloId
validateSub ApolloSubscription {ApolloMessageType
apolloType :: forall payload. ApolloSubscription payload -> ApolloMessageType
apolloType :: ApolloMessageType
apolloType} =
ByteString -> Validation ApolloAction
forall a b. a -> Either a b
Left (ByteString -> Validation ApolloAction)
-> ByteString -> Validation ApolloAction
forall a b. (a -> b) -> a -> b
$
ByteString
"Unknown Request type \""
ByteString -> ByteString -> ByteString
forall a. Semigroup a => a -> a -> a
<> String -> ByteString
pack (Text -> String
unpack (Text -> String) -> Text -> String
forall a b. (a -> b) -> a -> b
$ ApolloMessageType -> Text
apolloResponseToProtocolMsgType ApolloMessageType
apolloType)
ByteString -> ByteString -> ByteString
forall a. Semigroup a => a -> a -> a
<> ByteString
"\"."
validateSession :: Maybe ID -> Validation ID
validateSession :: Maybe Text -> Validation Text
validateSession = Validation Text
-> (Text -> Validation Text) -> Maybe Text -> Validation Text
forall b a. b -> (a -> b) -> Maybe a -> b
maybe (ByteString -> Validation Text
forall a b. a -> Either a b
Left ByteString
"\"id\" was not provided") Text -> Validation Text
forall a b. b -> Either a b
Right
validatePayload :: Maybe RequestPayload -> Either ByteString GQLRequest
validatePayload = Either ByteString GQLRequest
-> (RequestPayload -> Either ByteString GQLRequest)
-> Maybe RequestPayload
-> Either ByteString GQLRequest
forall b a. b -> (a -> b) -> Maybe a -> b
maybe (ByteString -> Either ByteString GQLRequest
forall a b. a -> Either a b
Left ByteString
"\"payload\" was not provided") RequestPayload -> Either ByteString GQLRequest
forall {a}. IsString a => RequestPayload -> Either a GQLRequest
validatePayloadContent
validatePayloadContent :: RequestPayload -> Either a GQLRequest
validatePayloadContent
RequestPayload
{ Maybe Text
payloadQuery :: RequestPayload -> Maybe Text
payloadQuery :: Maybe Text
payloadQuery,
payloadOperationName :: RequestPayload -> Maybe FieldName
payloadOperationName = Maybe FieldName
operationName,
payloadVariables :: RequestPayload -> Maybe Value
payloadVariables = Maybe Value
variables
} = do
Text
query <- Either a Text
-> (Text -> Either a Text) -> Maybe Text -> Either a Text
forall b a. b -> (a -> b) -> Maybe a -> b
maybe (a -> Either a Text
forall a b. a -> Either a b
Left a
"\"payload.query\" was not provided") Text -> Either a Text
forall a b. b -> Either a b
Right Maybe Text
payloadQuery
GQLRequest -> Either a GQLRequest
forall a. a -> Either a a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (GQLRequest -> Either a GQLRequest)
-> GQLRequest -> Either a GQLRequest
forall a b. (a -> b) -> a -> b
$ GQLRequest {Text
query :: Text
query :: Text
query, Maybe FieldName
operationName :: Maybe FieldName
operationName :: Maybe FieldName
operationName, Maybe Value
variables :: Maybe Value
variables :: Maybe Value
variables}