56 lines
1.4 KiB
Haskell
56 lines
1.4 KiB
Haskell
{-# OPTIONS_GHC -fno-warn-orphans #-}
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module PathPiece where
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import Data.Text (splitOn)
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import Import.NoFoundation
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-- PathPiece
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instance PathPiece UserNameP where
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toPathPiece (UserNameP i) = "u:" <> i
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fromPathPiece s =
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case splitOn ":" s of
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["u", ""] -> Nothing
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["u", uname] -> Just $ UserNameP uname
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_ -> Nothing
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instance PathPiece TagsP where
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toPathPiece (TagsP tags) = "t:" <> (intercalate "+" tags)
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fromPathPiece s =
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case splitOn ":" s of
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["t", ""] -> Nothing
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["t", tags] -> Just $ TagsP (splitOn "+" tags)
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_ -> Nothing
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instance PathPiece SharedP where
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toPathPiece = \case
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SharedAll -> ""
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SharedPublic -> "public"
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SharedPrivate -> "private"
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fromPathPiece = \case
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"public" -> Just SharedPublic
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"private" -> Just SharedPrivate
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_ -> Nothing
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instance PathPiece FilterP where
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toPathPiece = \case
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FilterAll -> ""
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FilterUnread -> "unread"
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FilterUntagged -> "untagged"
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FilterStarred -> "starred"
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FilterSingle slug -> "b:" <> unBmSlug slug
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fromPathPiece = \case
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"unread" -> Just FilterUnread
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"untagged" -> Just FilterUntagged
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"starred" -> Just FilterStarred
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s -> case splitOn ":" s of
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["b", ""] -> Nothing
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["b", slug] -> Just $ FilterSingle (BmSlug slug)
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_ -> Nothing
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deriving instance PathPiece NtSlug
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deriving instance PathPiece BmSlug
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