{-# LANGUAGE ConstraintKinds #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE GADTs #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE PolyKinds #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE UndecidableInstances #-}
{-# LANGUAGE NoImplicitPrelude #-}
module Data.Morpheus.Server.Deriving.Encode
( deriveModel,
EncodeConstraints,
)
where
import Control.Applicative (Applicative (..))
import Control.Monad (Monad ((>>=)))
import Data.Functor (fmap)
import Data.Functor.Identity (Identity (..))
import Data.List.NonEmpty (NonEmpty)
import qualified Data.List.NonEmpty as NonEmpty
import Data.Map (Map)
import qualified Data.Map as M
( toList,
)
import Data.Maybe
( Maybe (..),
maybe,
)
import Data.Morpheus.Kind
( ENUM,
GQL_KIND,
INTERFACE,
OUTPUT,
SCALAR,
)
import Data.Morpheus.Server.Deriving.Channels
( ChannelsConstraint,
channelResolver,
)
import Data.Morpheus.Server.Deriving.Decode
( DecodeConstraint,
decodeArguments,
)
import Data.Morpheus.Server.Deriving.Utils
( ConsRep (..),
DataType (..),
FieldRep (..),
TypeConstraint (..),
TypeRep (..),
isUnionRef,
toValue,
)
import Data.Morpheus.Server.Types.GQLType (GQLType (..))
import Data.Morpheus.Server.Types.Types
( MapKind,
Pair (..),
mapKindFromList,
)
import Data.Morpheus.Types
( RootResolver (..),
)
import Data.Morpheus.Types.GQLScalar (GQLScalar (..))
import Data.Morpheus.Types.Internal.AST
( InternalError,
MUTATION,
OperationType,
QUERY,
SUBSCRIPTION,
TypeRef (..),
)
import Data.Morpheus.Types.Internal.Resolving
( FieldResModel,
LiftOperation,
ResModel (..),
Resolver,
ResolverState,
RootResModel (..),
SubscriptionField (..),
failure,
getArguments,
liftResolverState,
mkObject,
)
import Data.Proxy (Proxy (..))
import Data.Set (Set)
import qualified Data.Set as S
( toList,
)
import Data.Traversable (traverse)
import Data.Vector (Vector)
import qualified Data.Vector as Vector
import GHC.Generics
( Generic (..),
)
import Prelude
( ($),
(.),
otherwise,
)
newtype ContextValue (kind :: GQL_KIND) a = ContextValue
{ ContextValue kind a -> a
unContextValue :: a
}
class Encode o e (m :: * -> *) resolver where
encode :: resolver -> Resolver o e m (ResModel o e m)
instance {-# OVERLAPPABLE #-} (EncodeKind (KIND a) a o e m, LiftOperation o) => Encode o e m a where
encode :: a -> Resolver o e m (ResModel o e m)
encode a
resolver = ContextValue (KIND a) a -> Resolver o e m (ResModel o e m)
forall (kind :: GQL_KIND) a (o :: OperationType) e (m :: * -> *).
(EncodeKind kind a o e m, LiftOperation o) =>
ContextValue kind a -> Resolver o e m (ResModel o e m)
encodeKind (a -> ContextValue (KIND a) a
forall (kind :: GQL_KIND) a. a -> ContextValue kind a
ContextValue a
resolver :: ContextValue (KIND a) a)
instance (Monad m, LiftOperation o, Encode o e m a) => Encode o e m (Maybe a) where
encode :: Maybe a -> Resolver o e m (ResModel o e m)
encode = Resolver o e m (ResModel o e m)
-> (a -> Resolver o e m (ResModel o e m))
-> Maybe a
-> Resolver o e m (ResModel o e m)
forall b a. b -> (a -> b) -> Maybe a -> b
maybe (ResModel o e m -> Resolver o e m (ResModel o e m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure ResModel o e m
forall (o :: OperationType) e (m :: * -> *). ResModel o e m
ResNull) a -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode
instance (Monad m, Encode o e m a, LiftOperation o) => Encode o e m [a] where
encode :: [a] -> Resolver o e m (ResModel o e m)
encode = ([ResModel o e m] -> ResModel o e m)
-> Resolver o e m [ResModel o e m]
-> Resolver o e m (ResModel o e m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap [ResModel o e m] -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *).
[ResModel o e m] -> ResModel o e m
ResList (Resolver o e m [ResModel o e m]
-> Resolver o e m (ResModel o e m))
-> ([a] -> Resolver o e m [ResModel o e m])
-> [a]
-> Resolver o e m (ResModel o e m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (a -> Resolver o e m (ResModel o e m))
-> [a] -> Resolver o e m [ResModel o e m]
forall (t :: * -> *) (f :: * -> *) a b.
(Traversable t, Applicative f) =>
(a -> f b) -> t a -> f (t b)
traverse a -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode
instance Encode o e m (Pair k v) => Encode o e m (k, v) where
encode :: (k, v) -> Resolver o e m (ResModel o e m)
encode (k
key, v
value) = Pair k v -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode (k -> v -> Pair k v
forall k v. k -> v -> Pair k v
Pair k
key v
value)
instance Encode o e m [a] => Encode o e m (NonEmpty a) where
encode :: NonEmpty a -> Resolver o e m (ResModel o e m)
encode = [a] -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode ([a] -> Resolver o e m (ResModel o e m))
-> (NonEmpty a -> [a])
-> NonEmpty a
-> Resolver o e m (ResModel o e m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. NonEmpty a -> [a]
forall a. NonEmpty a -> [a]
NonEmpty.toList
instance Encode o e m [a] => Encode o e m (Vector a) where
encode :: Vector a -> Resolver o e m (ResModel o e m)
encode = [a] -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode ([a] -> Resolver o e m (ResModel o e m))
-> (Vector a -> [a]) -> Vector a -> Resolver o e m (ResModel o e m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Vector a -> [a]
forall a. Vector a -> [a]
Vector.toList
instance Encode o e m [a] => Encode o e m (Set a) where
encode :: Set a -> Resolver o e m (ResModel o e m)
encode = [a] -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode ([a] -> Resolver o e m (ResModel o e m))
-> (Set a -> [a]) -> Set a -> Resolver o e m (ResModel o e m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Set a -> [a]
forall a. Set a -> [a]
S.toList
instance (Monad m, LiftOperation o, Encode o e m (MapKind k v (Resolver o e m))) => Encode o e m (Map k v) where
encode :: Map k v -> Resolver o e m (ResModel o e m)
encode Map k v
value =
MapKind k v (Resolver o e m) -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode (([(k, v)] -> MapKind k v (Resolver o e m)
forall (m :: * -> *) k v.
Applicative m =>
[(k, v)] -> MapKind k v m
mapKindFromList ([(k, v)] -> MapKind k v (Resolver o e m))
-> [(k, v)] -> MapKind k v (Resolver o e m)
forall a b. (a -> b) -> a -> b
$ Map k v -> [(k, v)]
forall k a. Map k a -> [(k, a)]
M.toList Map k v
value) :: MapKind k v (Resolver o e m))
instance (Monad m, LiftOperation o, Encode o e m a) => Encode o e m (SubscriptionField a) where
encode :: SubscriptionField a -> Resolver o e m (ResModel o e m)
encode (SubscriptionField forall e (m :: * -> *) v.
(a ~ Resolver SUBSCRIPTION e m v) =>
Channel e
_ a
res) = a -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode a
res
instance
( DecodeConstraint a,
Generic a,
Monad m,
LiftOperation o,
Encode o e m b
) =>
Encode o e m (a -> b)
where
encode :: (a -> b) -> Resolver o e m (ResModel o e m)
encode a -> b
f =
Resolver o e m (Arguments VALID)
forall (o :: OperationType) (m :: * -> *) e.
(LiftOperation o, Monad m) =>
Resolver o e m (Arguments VALID)
getArguments
Resolver o e m (Arguments VALID)
-> (Arguments VALID -> Resolver o e m a) -> Resolver o e m a
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= ResolverState a -> Resolver o e m a
forall (o :: OperationType) (m :: * -> *) a e.
(LiftOperation o, Monad m) =>
ResolverState a -> Resolver o e m a
liftResolverState (ResolverState a -> Resolver o e m a)
-> (Arguments VALID -> ResolverState a)
-> Arguments VALID
-> Resolver o e m a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Arguments VALID -> ResolverState a
forall a. DecodeConstraint a => Arguments VALID -> ResolverState a
decodeArguments
Resolver o e m a
-> (a -> Resolver o e m (ResModel o e m))
-> Resolver o e m (ResModel o e m)
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= b -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode (b -> Resolver o e m (ResModel o e m))
-> (a -> b) -> a -> Resolver o e m (ResModel o e m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> b
f
instance (Monad m, Encode o e m b, LiftOperation o) => Encode o e m (Resolver o e m b) where
encode :: Resolver o e m b -> Resolver o e m (ResModel o e m)
encode Resolver o e m b
x = Resolver o e m b
x Resolver o e m b
-> (b -> Resolver o e m (ResModel o e m))
-> Resolver o e m (ResModel o e m)
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= b -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode
class EncodeKind (kind :: GQL_KIND) a o e (m :: * -> *) where
encodeKind :: LiftOperation o => ContextValue kind a -> Resolver o e m (ResModel o e m)
instance (GQLScalar a, Monad m) => EncodeKind SCALAR a o e m where
encodeKind :: ContextValue SCALAR a -> Resolver o e m (ResModel o e m)
encodeKind = ResModel o e m -> Resolver o e m (ResModel o e m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (ResModel o e m -> Resolver o e m (ResModel o e m))
-> (ContextValue SCALAR a -> ResModel o e m)
-> ContextValue SCALAR a
-> Resolver o e m (ResModel o e m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ScalarValue -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *).
ScalarValue -> ResModel o e m
ResScalar (ScalarValue -> ResModel o e m)
-> (ContextValue SCALAR a -> ScalarValue)
-> ContextValue SCALAR a
-> ResModel o e m
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> ScalarValue
forall a. GQLScalar a => a -> ScalarValue
serialize (a -> ScalarValue)
-> (ContextValue SCALAR a -> a)
-> ContextValue SCALAR a
-> ScalarValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ContextValue SCALAR a -> a
forall (kind :: GQL_KIND) a. ContextValue kind a -> a
unContextValue
instance EncodeConstraint o e m a => EncodeKind ENUM a o e m where
encodeKind :: ContextValue ENUM a -> Resolver o e m (ResModel o e m)
encodeKind = ResModel o e m -> Resolver o e m (ResModel o e m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (ResModel o e m -> Resolver o e m (ResModel o e m))
-> (ContextValue ENUM a -> ResModel o e m)
-> ContextValue ENUM a
-> Resolver o e m (ResModel o e m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *) a.
(EncodeConstraint o e m a, LiftOperation o) =>
a -> ResModel o e m
exploreResolvers (a -> ResModel o e m)
-> (ContextValue ENUM a -> a)
-> ContextValue ENUM a
-> ResModel o e m
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ContextValue ENUM a -> a
forall (kind :: GQL_KIND) a. ContextValue kind a -> a
unContextValue
instance EncodeConstraint o e m a => EncodeKind OUTPUT a o e m where
encodeKind :: ContextValue OUTPUT a -> Resolver o e m (ResModel o e m)
encodeKind = ResModel o e m -> Resolver o e m (ResModel o e m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (ResModel o e m -> Resolver o e m (ResModel o e m))
-> (ContextValue OUTPUT a -> ResModel o e m)
-> ContextValue OUTPUT a
-> Resolver o e m (ResModel o e m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *) a.
(EncodeConstraint o e m a, LiftOperation o) =>
a -> ResModel o e m
exploreResolvers (a -> ResModel o e m)
-> (ContextValue OUTPUT a -> a)
-> ContextValue OUTPUT a
-> ResModel o e m
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ContextValue OUTPUT a -> a
forall (kind :: GQL_KIND) a. ContextValue kind a -> a
unContextValue
instance EncodeConstraint o e m a => EncodeKind INTERFACE a o e m where
encodeKind :: ContextValue INTERFACE a -> Resolver o e m (ResModel o e m)
encodeKind = ResModel o e m -> Resolver o e m (ResModel o e m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (ResModel o e m -> Resolver o e m (ResModel o e m))
-> (ContextValue INTERFACE a -> ResModel o e m)
-> ContextValue INTERFACE a
-> Resolver o e m (ResModel o e m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *) a.
(EncodeConstraint o e m a, LiftOperation o) =>
a -> ResModel o e m
exploreResolvers (a -> ResModel o e m)
-> (ContextValue INTERFACE a -> a)
-> ContextValue INTERFACE a
-> ResModel o e m
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ContextValue INTERFACE a -> a
forall (kind :: GQL_KIND) a. ContextValue kind a -> a
unContextValue
convertNode ::
(Monad m, LiftOperation o) =>
DataType (Resolver o e m (ResModel o e m)) ->
ResModel o e m
convertNode :: DataType (Resolver o e m (ResModel o e m)) -> ResModel o e m
convertNode
DataType
{ TypeName
tyName :: forall v. DataType v -> TypeName
tyName :: TypeName
tyName,
Bool
tyIsUnion :: forall v. DataType v -> Bool
tyIsUnion :: Bool
tyIsUnion,
tyCons :: forall v. DataType v -> ConsRep v
tyCons = cons :: ConsRep (Resolver o e m (ResModel o e m))
cons@ConsRep {[FieldRep (Resolver o e m (ResModel o e m))]
consFields :: forall v. ConsRep v -> [FieldRep v]
consFields :: [FieldRep (Resolver o e m (ResModel o e m))]
consFields, TypeName
consName :: forall v. ConsRep v -> TypeName
consName :: TypeName
consName}
}
| Bool
tyIsUnion = [FieldRep (Resolver o e m (ResModel o e m))] -> ResModel o e m
encodeUnion [FieldRep (Resolver o e m (ResModel o e m))]
consFields
| Bool
otherwise = TypeName
-> [(FieldName, Resolver o e m (ResModel o e m))] -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *).
TypeName
-> [(FieldName, Resolver o e m (ResModel o e m))] -> ResModel o e m
mkObject TypeName
tyName ((FieldRep (Resolver o e m (ResModel o e m))
-> (FieldName, Resolver o e m (ResModel o e m)))
-> [FieldRep (Resolver o e m (ResModel o e m))]
-> [(FieldName, Resolver o e m (ResModel o e m))]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap FieldRep (Resolver o e m (ResModel o e m))
-> (FieldName, Resolver o e m (ResModel o e m))
forall (o :: OperationType) e (m :: * -> *).
FieldRep (Resolver o e m (ResModel o e m)) -> FieldResModel o e m
toFieldRes [FieldRep (Resolver o e m (ResModel o e m))]
consFields)
where
encodeUnion :: [FieldRep (Resolver o e m (ResModel o e m))] -> ResModel o e m
encodeUnion [] = TypeName -> TypeName -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *).
TypeName -> TypeName -> ResModel o e m
ResEnum TypeName
tyName TypeName
consName
encodeUnion [FieldRep {fieldTypeRef :: forall a. FieldRep a -> TypeRef
fieldTypeRef = TypeRef {TypeName
typeConName :: TypeRef -> TypeName
typeConName :: TypeName
typeConName}, Resolver o e m (ResModel o e m)
fieldValue :: forall a. FieldRep a -> a
fieldValue :: Resolver o e m (ResModel o e m)
fieldValue}]
| TypeName -> ConsRep (Resolver o e m (ResModel o e m)) -> Bool
forall k. TypeName -> ConsRep k -> Bool
isUnionRef TypeName
tyName ConsRep (Resolver o e m (ResModel o e m))
cons = TypeName -> Resolver o e m (ResModel o e m) -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *).
TypeName -> Resolver o e m (ResModel o e m) -> ResModel o e m
ResUnion TypeName
typeConName Resolver o e m (ResModel o e m)
fieldValue
encodeUnion [FieldRep (Resolver o e m (ResModel o e m))]
fields =
TypeName -> Resolver o e m (ResModel o e m) -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *).
TypeName -> Resolver o e m (ResModel o e m) -> ResModel o e m
ResUnion
TypeName
consName
(Resolver o e m (ResModel o e m) -> ResModel o e m)
-> Resolver o e m (ResModel o e m) -> ResModel o e m
forall a b. (a -> b) -> a -> b
$ ResModel o e m -> Resolver o e m (ResModel o e m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure
(ResModel o e m -> Resolver o e m (ResModel o e m))
-> ResModel o e m -> Resolver o e m (ResModel o e m)
forall a b. (a -> b) -> a -> b
$ TypeName
-> [(FieldName, Resolver o e m (ResModel o e m))] -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *).
TypeName
-> [(FieldName, Resolver o e m (ResModel o e m))] -> ResModel o e m
mkObject
TypeName
consName
((FieldRep (Resolver o e m (ResModel o e m))
-> (FieldName, Resolver o e m (ResModel o e m)))
-> [FieldRep (Resolver o e m (ResModel o e m))]
-> [(FieldName, Resolver o e m (ResModel o e m))]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap FieldRep (Resolver o e m (ResModel o e m))
-> (FieldName, Resolver o e m (ResModel o e m))
forall (o :: OperationType) e (m :: * -> *).
FieldRep (Resolver o e m (ResModel o e m)) -> FieldResModel o e m
toFieldRes [FieldRep (Resolver o e m (ResModel o e m))]
fields)
exploreResolvers ::
forall o e m a.
( EncodeConstraint o e m a,
LiftOperation o
) =>
a ->
ResModel o e m
exploreResolvers :: a -> ResModel o e m
exploreResolvers =
DataType (Resolver o e m (ResModel o e m)) -> ResModel o e m
forall (m :: * -> *) (o :: OperationType) e.
(Monad m, LiftOperation o) =>
DataType (Resolver o e m (ResModel o e m)) -> ResModel o e m
convertNode
(DataType (Resolver o e m (ResModel o e m)) -> ResModel o e m)
-> (a -> DataType (Resolver o e m (ResModel o e m)))
-> a
-> ResModel o e m
forall b c a. (b -> c) -> (a -> b) -> a -> c
. TypeConstraint
(Encode o e m) (Resolver o e m (ResModel o e m)) Identity
-> a -> DataType (Resolver o e m (ResModel o e m))
forall (constraint :: * -> Constraint) value a.
(GQLType a, Generic a, TypeRep constraint value (Rep a)) =>
TypeConstraint constraint value Identity -> a -> DataType value
toValue
( (forall a.
Encode o e m a =>
Identity a -> Resolver o e m (ResModel o e m))
-> TypeConstraint
(Encode o e m) (Resolver o e m (ResModel o e m)) Identity
forall (c :: * -> Constraint) v (f :: * -> *).
(forall a. c a => f a -> v) -> TypeConstraint c v f
TypeConstraint (a -> Resolver o e m (ResModel o e m)
forall (o :: OperationType) e (m :: * -> *) resolver.
Encode o e m resolver =>
resolver -> Resolver o e m (ResModel o e m)
encode (a -> Resolver o e m (ResModel o e m))
-> (Identity a -> a)
-> Identity a
-> Resolver o e m (ResModel o e m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Identity a -> a
forall a. Identity a -> a
runIdentity) ::
TypeConstraint (Encode o e m) (Resolver o e m (ResModel o e m)) Identity
)
objectResolvers ::
( EncodeConstraint o e m a,
LiftOperation o
) =>
a ->
ResolverState (ResModel o e m)
objectResolvers :: a -> ResolverState (ResModel o e m)
objectResolvers a
value = ResModel o e m -> ResolverState (ResModel o e m)
forall (f :: * -> *) (o :: OperationType) e (m :: * -> *).
Failure InternalError f =>
ResModel o e m -> f (ResModel o e m)
constraintObject (a -> ResModel o e m
forall (o :: OperationType) e (m :: * -> *) a.
(EncodeConstraint o e m a, LiftOperation o) =>
a -> ResModel o e m
exploreResolvers a
value)
where
constraintObject :: ResModel o e m -> f (ResModel o e m)
constraintObject obj :: ResModel o e m
obj@ResObject {} =
ResModel o e m -> f (ResModel o e m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure ResModel o e m
obj
constraintObject ResModel o e m
_ =
InternalError -> f (ResModel o e m)
forall error (f :: * -> *) v. Failure error f => error -> f v
failure (InternalError
"resolver must be an object" :: InternalError)
type EncodeObjectConstraint (o :: OperationType) e (m :: * -> *) a =
EncodeConstraint o e m (a (Resolver o e m))
type EncodeConstraint (o :: OperationType) e (m :: * -> *) a =
( Monad m,
GQLType a,
Generic a,
TypeRep (Encode o e m) (Resolver o e m (ResModel o e m)) (Rep a)
)
type EncodeConstraints e m query mut sub =
( ChannelsConstraint e m sub,
EncodeObjectConstraint QUERY e m query,
EncodeObjectConstraint MUTATION e m mut,
EncodeObjectConstraint SUBSCRIPTION e m sub
)
toFieldRes :: FieldRep (Resolver o e m (ResModel o e m)) -> FieldResModel o e m
toFieldRes :: FieldRep (Resolver o e m (ResModel o e m)) -> FieldResModel o e m
toFieldRes FieldRep {FieldName
fieldSelector :: forall a. FieldRep a -> FieldName
fieldSelector :: FieldName
fieldSelector, Resolver o e m (ResModel o e m)
fieldValue :: Resolver o e m (ResModel o e m)
fieldValue :: forall a. FieldRep a -> a
fieldValue} = (FieldName
fieldSelector, Resolver o e m (ResModel o e m)
fieldValue)
deriveModel ::
forall e m query mut sub.
(Monad m, EncodeConstraints e m query mut sub) =>
RootResolver m e query mut sub ->
RootResModel e m
deriveModel :: RootResolver m e query mut sub -> RootResModel e m
deriveModel
RootResolver
{ query (Resolver QUERY e m)
queryResolver :: forall (m :: * -> *) event (query :: (* -> *) -> *)
(mut :: (* -> *) -> *) (sub :: (* -> *) -> *).
RootResolver m event query mut sub
-> query (Resolver QUERY event m)
queryResolver :: query (Resolver QUERY e m)
queryResolver,
mut (Resolver MUTATION e m)
mutationResolver :: forall (m :: * -> *) event (query :: (* -> *) -> *)
(mut :: (* -> *) -> *) (sub :: (* -> *) -> *).
RootResolver m event query mut sub
-> mut (Resolver MUTATION event m)
mutationResolver :: mut (Resolver MUTATION e m)
mutationResolver,
sub (Resolver SUBSCRIPTION e m)
subscriptionResolver :: forall (m :: * -> *) event (query :: (* -> *) -> *)
(mut :: (* -> *) -> *) (sub :: (* -> *) -> *).
RootResolver m event query mut sub
-> sub (Resolver SUBSCRIPTION event m)
subscriptionResolver :: sub (Resolver SUBSCRIPTION e m)
subscriptionResolver
} =
RootResModel :: forall e (m :: * -> *).
ResolverState (ResModel QUERY e m)
-> ResolverState (ResModel MUTATION e m)
-> ResolverState (ResModel SUBSCRIPTION e m)
-> Maybe (Selection VALID -> ResolverState (Channel e))
-> RootResModel e m
RootResModel
{ query :: ResolverState (ResModel QUERY e m)
query = query (Resolver QUERY e m) -> ResolverState (ResModel QUERY e m)
forall (o :: OperationType) e (m :: * -> *) a.
(EncodeConstraint o e m a, LiftOperation o) =>
a -> ResolverState (ResModel o e m)
objectResolvers query (Resolver QUERY e m)
queryResolver,
mutation :: ResolverState (ResModel MUTATION e m)
mutation = mut (Resolver MUTATION e m)
-> ResolverState (ResModel MUTATION e m)
forall (o :: OperationType) e (m :: * -> *) a.
(EncodeConstraint o e m a, LiftOperation o) =>
a -> ResolverState (ResModel o e m)
objectResolvers mut (Resolver MUTATION e m)
mutationResolver,
subscription :: ResolverState (ResModel SUBSCRIPTION e m)
subscription = sub (Resolver SUBSCRIPTION e m)
-> ResolverState (ResModel SUBSCRIPTION e m)
forall (o :: OperationType) e (m :: * -> *) a.
(EncodeConstraint o e m a, LiftOperation o) =>
a -> ResolverState (ResModel o e m)
objectResolvers sub (Resolver SUBSCRIPTION e m)
subscriptionResolver,
Maybe (Selection VALID -> ResolverState (Channel e))
channelMap :: Maybe (Selection VALID -> ResolverState (Channel e))
channelMap :: Maybe (Selection VALID -> ResolverState (Channel e))
channelMap
}
where
channelMap :: Maybe (Selection VALID -> ResolverState (Channel e))
channelMap
| Proxy (sub (Resolver SUBSCRIPTION e m)) -> Bool
forall a (f :: * -> *). GQLType a => f a -> Bool
isEmptyType (Proxy (sub (Resolver SUBSCRIPTION e m))
forall k (t :: k). Proxy t
Proxy :: Proxy (sub (Resolver SUBSCRIPTION e m))) = Maybe (Selection VALID -> ResolverState (Channel e))
forall a. Maybe a
Nothing
| Bool
otherwise = (Selection VALID -> ResolverState (Channel e))
-> Maybe (Selection VALID -> ResolverState (Channel e))
forall a. a -> Maybe a
Just (sub (Resolver SUBSCRIPTION e m)
-> Selection VALID -> ResolverState (Channel e)
forall e (m :: * -> *) (subs :: (* -> *) -> *).
ChannelsConstraint e m subs =>
subs (Resolver SUBSCRIPTION e m)
-> Selection VALID -> ResolverState (Channel e)
channelResolver sub (Resolver SUBSCRIPTION e m)
subscriptionResolver)