{-# LANGUAGE ConstraintKinds #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE ScopedTypeVariables #-}
module Data.Morpheus.Core
( runApi,
parseDSL,
parseFullGQLDocument,
parseGQLDocument,
parseTypeSystemDefinition,
parseTypeDefinitions,
validateRequest,
parseRequestWith,
validateSchema,
parseRequest,
RenderGQL (..),
SelectionTree (..),
Config (..),
VALIDATION_MODE (..),
defaultConfig,
debugConfig,
)
where
import Control.Monad ((>=>))
import Data.ByteString.Lazy.Char8
( ByteString,
)
import Data.Morpheus.Internal.Utils
( (<:>),
empty,
)
import Data.Morpheus.Parser
( parseRequest,
parseRequestWith,
parseTypeDefinitions,
parseTypeSystemDefinition,
)
import Data.Morpheus.Rendering.RenderGQL
( RenderGQL (..),
)
import Data.Morpheus.Schema.Schema (internalSchema)
import Data.Morpheus.Schema.SchemaAPI (withSystemFields)
import Data.Morpheus.Types.IO
( GQLRequest (..),
)
import Data.Morpheus.Types.Internal.AST
( Operation (..),
Schema (..),
Selection (..),
SelectionContent (..),
VALID,
Value,
)
import Data.Morpheus.Types.Internal.Config
( Config (..),
VALIDATION_MODE (..),
debugConfig,
defaultConfig,
)
import Data.Morpheus.Types.Internal.Resolving
( Eventless,
ResolverContext (..),
ResponseStream,
ResultT (..),
RootResModel,
cleanEvents,
resultOr,
runRootResModel,
)
import Data.Morpheus.Types.SelectionTree (SelectionTree (..))
import Data.Morpheus.Validation.Document.Validation (ValidateSchema (..))
import Data.Morpheus.Validation.Query.Validation
( validateRequest,
)
import qualified Data.Text.Lazy as LT
( toStrict,
)
import Data.Text.Lazy.Encoding (decodeUtf8)
runApi ::
forall event m s.
(Monad m, ValidateSchema s) =>
Schema s ->
RootResModel event m ->
Config ->
GQLRequest ->
ResponseStream event m (Value VALID)
runApi inputSchema resModel config request = do
validRequest <- validateReq inputSchema config request
resovers <- withSystemFields (schema validRequest) resModel
runRootResModel resovers validRequest
validateReq ::
( Monad m,
ValidateSchema s
) =>
Schema s ->
Config ->
GQLRequest ->
ResponseStream event m ResolverContext
validateReq inputSchema config request = cleanEvents $ ResultT $ pure $ do
validSchema <- validateSchema True config inputSchema
schema <- internalSchema <:> validSchema
operation <- parseRequestWith config schema request
pure $
ResolverContext
{ schema,
config,
operation,
currentTypeName = "Root",
currentSelection =
Selection
{ selectionName = "Root",
selectionArguments = empty,
selectionPosition = operationPosition operation,
selectionAlias = Nothing,
selectionContent = SelectionSet (operationSelection operation),
selectionDirectives = []
}
}
parseDSL :: ByteString -> Either String (Schema VALID)
parseDSL = resultOr (Left . show) pure . parseGQLDocument
parseGQLDocument :: ByteString -> Eventless (Schema VALID)
parseGQLDocument = parseTypeSystemDefinition . LT.toStrict . decodeUtf8
parseFullGQLDocument :: ByteString -> Eventless (Schema VALID)
parseFullGQLDocument = parseGQLDocument >=> (internalSchema <:>)