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@ -15,7 +15,8 @@ import qualified Data.Text.Lazy as Text.Lazy
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import qualified Data.Text.Lazy.Builder as Text.Builder
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import qualified Data.Text.Lazy.Builder.Int as Text.Builder
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import Data.Scientific (toBoundedInteger, toRealFloat)
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import Language.GraphQL.AST.Core
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import Language.GraphQL.AST.Document (Name)
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import qualified Language.GraphQL.Type.In as In
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import Language.GraphQL.Schema
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import Language.GraphQL.Type.Definition
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@ -46,26 +47,26 @@ class VariableValue a where
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coerceVariableValue
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:: InputType -- ^ Expected type (variable type given in the query).
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-> a -- ^ Variable value being coerced.
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-> Maybe Value -- ^ Coerced value on success, 'Nothing' otherwise.
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-> Maybe In.Value -- ^ Coerced value on success, 'Nothing' otherwise.
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instance VariableValue Aeson.Value where
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coerceVariableValue _ Aeson.Null = Just Null
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coerceVariableValue _ Aeson.Null = Just In.Null
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coerceVariableValue (ScalarInputTypeDefinition scalarType) value
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| (Aeson.String stringValue) <- value = Just $ String stringValue
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| (Aeson.Bool booleanValue) <- value = Just $ Boolean booleanValue
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| (Aeson.String stringValue) <- value = Just $ In.String stringValue
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| (Aeson.Bool booleanValue) <- value = Just $ In.Boolean booleanValue
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| (Aeson.Number numberValue) <- value
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, (ScalarType "Float" _) <- scalarType =
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Just $ Float $ toRealFloat numberValue
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Just $ In.Float $ toRealFloat numberValue
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| (Aeson.Number numberValue) <- value = -- ID or Int
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Int <$> toBoundedInteger numberValue
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In.Int <$> toBoundedInteger numberValue
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coerceVariableValue (EnumInputTypeDefinition _) (Aeson.String stringValue) =
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Just $ Enum stringValue
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Just $ In.Enum stringValue
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coerceVariableValue (ObjectInputTypeDefinition objectType) value
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| (Aeson.Object objectValue) <- value = do
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let (InputObjectType _ _ inputFields) = objectType
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(newObjectValue, resultMap) <- foldWithKey objectValue inputFields
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if HashMap.null newObjectValue
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then Just $ Object resultMap
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then Just $ In.Object resultMap
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else Nothing
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where
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foldWithKey objectValue = HashMap.foldrWithKey matchFieldValues
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@ -81,7 +82,7 @@ instance VariableValue Aeson.Value where
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pure (newObjectValue, insert coerced)
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Nothing -> Just (objectValue, resultMap)
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coerceVariableValue (ListInputTypeDefinition listType) value
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| (Aeson.Array arrayValue) <- value = List
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| (Aeson.Array arrayValue) <- value = In.List
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<$> foldr foldVector (Just []) arrayValue
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| otherwise = coerceVariableValue listType value
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where
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@ -95,7 +96,7 @@ instance VariableValue Aeson.Value where
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-- corresponding types.
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coerceInputLiterals
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:: HashMap Name InputType
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-> HashMap Name Value
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-> HashMap Name In.Value
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-> Maybe Subs
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coerceInputLiterals variableTypes variableValues =
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foldWithKey operator variableTypes
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@ -105,34 +106,34 @@ coerceInputLiterals variableTypes variableValues =
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<$> (lookupVariable variableName >>= coerceInputLiteral variableType)
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<*> resultMap
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coerceInputLiteral (ScalarInputType type') value
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| (String stringValue) <- value
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, (ScalarType "String" _) <- type' = Just $ String stringValue
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| (Boolean booleanValue) <- value
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, (ScalarType "Boolean" _) <- type' = Just $ Boolean booleanValue
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| (Int intValue) <- value
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, (ScalarType "Int" _) <- type' = Just $ Int intValue
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| (Float floatValue) <- value
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, (ScalarType "Float" _) <- type' = Just $ Float floatValue
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| (Int intValue) <- value
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| (In.String stringValue) <- value
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, (ScalarType "String" _) <- type' = Just $ In.String stringValue
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| (In.Boolean booleanValue) <- value
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, (ScalarType "Boolean" _) <- type' = Just $ In.Boolean booleanValue
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| (In.Int intValue) <- value
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, (ScalarType "Int" _) <- type' = Just $ In.Int intValue
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| (In.Float floatValue) <- value
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, (ScalarType "Float" _) <- type' = Just $ In.Float floatValue
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| (In.Int intValue) <- value
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, (ScalarType "Float" _) <- type' =
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Just $ Float $ fromIntegral intValue
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| (String stringValue) <- value
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, (ScalarType "ID" _) <- type' = Just $ String stringValue
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| (Int intValue) <- value
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Just $ In.Float $ fromIntegral intValue
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| (In.String stringValue) <- value
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, (ScalarType "ID" _) <- type' = Just $ In.String stringValue
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| (In.Int intValue) <- value
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, (ScalarType "ID" _) <- type' = Just $ decimal intValue
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coerceInputLiteral (EnumInputType type') (Enum enumValue)
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| member enumValue type' = Just $ Enum enumValue
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coerceInputLiteral (ObjectInputType type') (Object _) =
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coerceInputLiteral (EnumInputType type') (In.Enum enumValue)
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| member enumValue type' = Just $ In.Enum enumValue
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coerceInputLiteral (ObjectInputType type') (In.Object _) =
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let (InputObjectType _ _ inputFields) = type'
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in Object <$> foldWithKey matchFieldValues inputFields
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in In.Object <$> foldWithKey matchFieldValues inputFields
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coerceInputLiteral _ _ = Nothing
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member value (EnumType _ _ members) = Set.member value members
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matchFieldValues fieldName (InputField _ type' defaultValue) resultMap =
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case lookupVariable fieldName of
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Just Null
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Just In.Null
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| isNonNullInputType type' -> Nothing
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| otherwise ->
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HashMap.insert fieldName Null <$> resultMap
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HashMap.insert fieldName In.Null <$> resultMap
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Just variableValue -> HashMap.insert fieldName
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<$> coerceInputLiteral type' variableValue
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<*> resultMap
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@ -144,7 +145,7 @@ coerceInputLiterals variableTypes variableValues =
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| otherwise -> resultMap
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lookupVariable = flip HashMap.lookup variableValues
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foldWithKey f = HashMap.foldrWithKey f (Just HashMap.empty)
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decimal = String
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decimal = In.String
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. Text.Lazy.toStrict
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. Text.Builder.toLazyText
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. Text.Builder.decimal
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