mirror of
https://github.com/hasura/graphql-engine.git
synced 2024-12-18 13:02:11 +03:00
e0c0043e76
PR-URL: https://github.com/hasura/graphql-engine-mono/pull/9284 GitOrigin-RevId: 2f2cf2ad01900a54e4bdb970205ac0ef313c7e00
79 lines
2.7 KiB
Haskell
79 lines
2.7 KiB
Haskell
module Hasura.LogicalModel.Common
|
|
( toFieldInfo,
|
|
columnsFromFields,
|
|
logicalModelFieldsToFieldInfo,
|
|
)
|
|
where
|
|
|
|
import Data.Bifunctor (bimap)
|
|
import Data.HashMap.Strict qualified as HashMap
|
|
import Data.HashMap.Strict.InsOrd qualified as InsOrdHashMap
|
|
import Data.Text.Extended (ToTxt (toTxt))
|
|
import Hasura.LogicalModel.NullableScalarType (NullableScalarType (..))
|
|
import Hasura.LogicalModel.Types (LogicalModelField (..), LogicalModelType (..), LogicalModelTypeScalar (..))
|
|
import Hasura.Prelude
|
|
import Hasura.RQL.Types.Backend (Backend (..))
|
|
import Hasura.RQL.Types.Column (ColumnInfo (..), ColumnMutability (..), ColumnType (..), StructuredColumnInfo (..), fromCol)
|
|
import Hasura.Table.Cache (FieldInfo (..), FieldInfoMap)
|
|
import Language.GraphQL.Draft.Syntax qualified as G
|
|
|
|
columnsFromFields ::
|
|
InsOrdHashMap.InsOrdHashMap k (LogicalModelField b) ->
|
|
InsOrdHashMap.InsOrdHashMap k (NullableScalarType b)
|
|
columnsFromFields =
|
|
InsOrdHashMap.mapMaybe
|
|
( \case
|
|
LogicalModelField
|
|
{ lmfType =
|
|
LogicalModelTypeScalar
|
|
( LogicalModelTypeScalarC
|
|
{ lmtsScalar = nstType,
|
|
lmtsNullable = nstNullable
|
|
}
|
|
),
|
|
lmfDescription = nstDescription
|
|
} ->
|
|
Just (NullableScalarType {..})
|
|
_ -> Nothing
|
|
)
|
|
|
|
toFieldInfo :: forall b. (Backend b) => InsOrdHashMap.InsOrdHashMap (Column b) (NullableScalarType b) -> Maybe [FieldInfo b]
|
|
toFieldInfo fields =
|
|
traverseWithIndex
|
|
(\i -> fmap FIColumn . logicalModelToColumnInfo i)
|
|
(InsOrdHashMap.toList fields)
|
|
|
|
traverseWithIndex :: (Applicative m) => (Int -> aa -> m bb) -> [aa] -> m [bb]
|
|
traverseWithIndex f = zipWithM f [0 ..]
|
|
|
|
logicalModelToColumnInfo :: forall b. (Backend b) => Int -> (Column b, NullableScalarType b) -> Maybe (StructuredColumnInfo b)
|
|
logicalModelToColumnInfo i (column, NullableScalarType {..}) = do
|
|
name <- G.mkName (toTxt column)
|
|
pure
|
|
$
|
|
-- TODO(dmoverton): handle object and array columns
|
|
SCIScalarColumn
|
|
$ ColumnInfo
|
|
{ ciColumn = column,
|
|
ciName = name,
|
|
ciPosition = i,
|
|
ciType = ColumnScalar nstType,
|
|
ciIsNullable = nstNullable,
|
|
ciDescription = G.Description <$> nstDescription,
|
|
ciMutability = ColumnMutability {_cmIsInsertable = False, _cmIsUpdatable = False}
|
|
}
|
|
|
|
logicalModelFieldsToFieldInfo ::
|
|
forall b.
|
|
(Backend b) =>
|
|
InsOrdHashMap.InsOrdHashMap (Column b) (LogicalModelField b) ->
|
|
FieldInfoMap (FieldInfo b)
|
|
logicalModelFieldsToFieldInfo =
|
|
HashMap.fromList
|
|
. fmap (bimap (fromCol @b) FIColumn)
|
|
. fromMaybe mempty
|
|
. traverseWithIndex
|
|
(\i (column, lmf) -> (,) column <$> logicalModelToColumnInfo i (column, lmf))
|
|
. InsOrdHashMap.toList
|
|
. columnsFromFields
|