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47 lines
1.5 KiB
Haskell
47 lines
1.5 KiB
Haskell
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module Hasura.GraphQL.Execute.Remote
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( buildExecStepRemote
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) where
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import Hasura.Prelude
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import qualified Data.HashMap.Strict as Map
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import qualified Language.GraphQL.Draft.Syntax as G
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import qualified Data.HashSet as Set
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import qualified Hasura.GraphQL.Transport.HTTP.Protocol as GH
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import Hasura.GraphQL.Execute.Prepare
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import Hasura.GraphQL.Parser
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import Hasura.RQL.Types
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unresolveVariables
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:: forall fragments
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. Functor fragments
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=> G.SelectionSet fragments Variable
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-> G.SelectionSet fragments G.Name
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unresolveVariables =
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fmap (fmap (getName . vInfo))
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collectVariables
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:: forall fragments var
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. (Foldable fragments, Hashable var, Eq var)
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=> G.SelectionSet fragments var
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-> Set.HashSet var
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collectVariables =
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Set.unions . fmap (foldMap Set.singleton)
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buildExecStepRemote
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:: forall db
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. RemoteSchemaInfo
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-> G.OperationType
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-> [G.VariableDefinition]
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-> G.SelectionSet G.NoFragments Variable
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-> Maybe GH.VariableValues
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-> ExecutionStep db
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buildExecStepRemote remoteSchemaInfo tp varDefs selSet varValsM =
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let unresolvedSelSet = unresolveVariables selSet
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requiredVars = collectVariables unresolvedSelSet
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restrictedDefs = filter (\varDef -> G._vdName varDef `Set.member` requiredVars) varDefs
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restrictedValsM = flip Map.intersection (Set.toMap requiredVars) <$> varValsM
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in ExecStepRemote (remoteSchemaInfo, G.TypedOperationDefinition tp Nothing restrictedDefs [] unresolvedSelSet, restrictedValsM)
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