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64 lines
1.6 KiB
Haskell
64 lines
1.6 KiB
Haskell
module Hasura.RQL.DDL.Endpoint
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( runCreateEndpoint
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, runDropEndpoint
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, dropEndpointInMetadata
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) where
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import Hasura.Prelude
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import qualified Data.HashMap.Strict.InsOrd as OMap
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import Data.Text.Extended
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import Hasura.Base.Error
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import Hasura.EncJSON
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import Hasura.Metadata.Class
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import Hasura.RQL.Types
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runCreateEndpoint
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:: ( CacheRWM m
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, MetadataM m
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, MonadMetadataStorageQueryAPI m
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)
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=> CreateEndpoint
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-> m EncJSON
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runCreateEndpoint endpoint@EndpointMetadata{..} = do
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endpointsMap <- _metaRestEndpoints <$> getMetadata
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OMap.lookup _ceName endpointsMap `for_` \_ ->
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throw400 AlreadyExists $
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"Endpoint with name: " <> toTxt _ceName <> " already exists"
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withNewInconsistentObjsCheck
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$ buildSchemaCacheFor (MOEndpoint _ceName)
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$ MetadataModifier
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$ metaRestEndpoints %~ OMap.insert _ceName endpoint
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return successMsg
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runDropEndpoint
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:: ( CacheRWM m
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, MetadataM m
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, MonadMetadataStorageQueryAPI m
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)
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=> DropEndpoint
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-> m EncJSON
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runDropEndpoint DropEndpoint{..} = do
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checkExists _deName
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withNewInconsistentObjsCheck
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$ buildSchemaCache
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$ dropEndpointInMetadata _deName
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return successMsg
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dropEndpointInMetadata :: EndpointName -> MetadataModifier
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dropEndpointInMetadata name =
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MetadataModifier $ metaRestEndpoints %~ OMap.delete name
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checkExists :: (MetadataM m, MonadError QErr m) => EndpointName -> m ()
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checkExists name = do
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endpointsMap <- _metaRestEndpoints <$> getMetadata
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void $ onNothing (OMap.lookup name endpointsMap) $
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throw400 NotExists $
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"endpoint with name: " <> toTxt name <> " does not exist"
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