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{- items that a command can act on
-
- Copyright 2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
module Types.ActionItem where
import Key
import Types
import Types.Transfer
import Git.FilePath
data ActionItem
= ActionItemAssociatedFile AssociatedFile
| ActionItemKey
| ActionItemBranchFilePath BranchFilePath
| ActionItemFailedTransfer Transfer TransferInfo
class MkActionItem t where
mkActionItem :: t -> ActionItem
instance MkActionItem AssociatedFile where
mkActionItem = ActionItemAssociatedFile
instance MkActionItem Key where
mkActionItem _ = ActionItemKey
instance MkActionItem BranchFilePath where
mkActionItem = ActionItemBranchFilePath
instance MkActionItem (Transfer, TransferInfo) where
mkActionItem = uncurry ActionItemFailedTransfer
actionItemDesc :: ActionItem -> Key -> String
actionItemDesc (ActionItemAssociatedFile (AssociatedFile (Just f))) _ = f
actionItemDesc (ActionItemAssociatedFile (AssociatedFile Nothing)) k = key2file k
actionItemDesc ActionItemKey k = key2file k
actionItemDesc (ActionItemBranchFilePath bfp) _ = descBranchFilePath bfp
actionItemDesc (ActionItemFailedTransfer _ i) k =
actionItemDesc (ActionItemAssociatedFile (associatedFile i)) k
actionItemWorkTreeFile :: ActionItem -> Maybe FilePath
actionItemWorkTreeFile (ActionItemAssociatedFile (AssociatedFile af)) = af
actionItemWorkTreeFile _ = Nothing
actionItemTransferDirection :: ActionItem -> Maybe Direction
actionItemTransferDirection (ActionItemFailedTransfer t _) = Just $
transferDirection t
actionItemTransferDirection _ = Nothing
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