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|
{- types for metadata based branch views
-
- Copyright 2014 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Types.View where
import Common.Annex
import Types.MetaData
import Utility.QuickCheck
import qualified Git
import qualified Data.Set as S
{- A view is a list of fields with filters on their allowed values,
- which are applied to files in a parent git branch. -}
data View = View
{ viewParentBranch :: Git.Branch
, viewComponents :: [ViewComponent]
}
deriving (Eq, Read, Show)
instance Arbitrary View where
arbitrary = View <$> pure (Git.Ref "master") <*> arbitrary
data ViewComponent = ViewComponent
{ viewField :: MetaField
, viewFilter :: ViewFilter
, viewVisible :: Bool
}
deriving (Eq, Read, Show)
instance Arbitrary ViewComponent where
arbitrary = ViewComponent <$> arbitrary <*> arbitrary <*> arbitrary
data ViewFilter
= FilterValues (S.Set MetaValue)
| FilterGlob String
deriving (Eq, Read, Show)
instance Arbitrary ViewFilter where
arbitrary = do
size <- arbitrarySizedBoundedIntegral `suchThat` (< 100)
FilterValues . S.fromList <$> vector size
{- Can a ViewFilter match multiple different MetaValues? -}
multiValue :: ViewFilter -> Bool
multiValue (FilterValues s) = S.size s > 1
multiValue (FilterGlob _) = True
|
