4e0be2792b
Removed instance, got it all to build using fromRef. (With a few things that really need to show something using a ref for debugging stubbed out.) Then added back Read instance, and made Logs.View use it for serialization. This changes the view log format.
54 lines
1.4 KiB
Haskell
54 lines
1.4 KiB
Haskell
{- 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 <$> pure (Git.Ref "master") <*> arbitrary
|
|
|
|
data ViewComponent = ViewComponent
|
|
{ viewField :: MetaField
|
|
, viewFilter :: ViewFilter
|
|
}
|
|
deriving (Eq, Read, Show)
|
|
|
|
instance Arbitrary ViewComponent where
|
|
arbitrary = ViewComponent <$> arbitrary <*> arbitrary
|
|
|
|
{- Only files with metadata matching the view are displayed. -}
|
|
type FileView = FilePath
|
|
type MkFileView = FilePath -> FileView
|
|
|
|
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
|