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{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE RecordWildCards #-}
module Data.Paper
( Paper (..)
, Status (..)
, ArXiv (..)
, ArXivType (..)
, DOI (..)
, Eprint (..)
, mkPaper
-- * helpers
, doiLink
, arXivLink
) where
import Prolog
import Data.Char (toLower)
import Data.Map.Strict qualified as M
import Data.Name
import Data.Time
import Network.URI
import Network.URI.Static
import Hakyll qualified as H
import Text.BibTeX.Entry qualified as B
import Text.BibTeX.Parse qualified as BP
data Paper a = Paper
{ status :: !(Status a)
, key :: !a
, title :: !a
, authors :: ![Name a]
, abstract :: !(Maybe a)
, extraLink :: !(Maybe URI)
, eprints :: ![Eprint a]
} deriving (Eq, Foldable, Functor, Ord, Generic, Show, Traversable)
instance Binary a => Binary (Paper a)
instance H.Writable (Paper a) where
write _ _ = pure ()
instance H.Writable (t (Paper a)) where
write _ _ = pure ()
-- instance (Binary a, Binary (Status f a), Binary (f (Person a))) => Binary (Paper f a)
data Status a
= Unpublished { date :: !Day }
| Published
{ date :: !Day
, journal :: !a
, doi :: !DOI
}
| Accepted
{ date :: !Day
, journal :: !a
}
| Submitted { date :: !Day }
deriving (Eq, Foldable, Functor, Generic, Ord, Show, Traversable)
instance Binary a => Binary (Status a)
-- instance (Binary a, Binary (f (Journal a))) => Binary (Status f a)
newtype DOI = DOI URI
deriving (Eq, Generic, Ord, Show)
deriving newtype Binary
data Eprint a
= ArXivEprint (ArXiv a)
| OtherEprint { eprintName :: !a
, eprintLink :: !URI
}
deriving (Eq, Foldable, Functor, Generic, Ord, Show, Traversable)
instance Binary a => Binary (Eprint a)
data ArXiv a = ArXiv
{ _identifier :: !URI
, _class :: !a
} deriving (Eq, Foldable, Functor, Generic, Ord, Show, Traversable)
instance Binary a => Binary (ArXiv a)
arXivURI :: URI
arXivURI = [uri|https://arxiv.org/|]
data ArXivType = ArXivAbs | ArXivPdf | ArXivSrc
deriving (Bounded, Enum, Eq, Generic, Ord, Show)
arXivTypeRelative :: ArXivType -> URI
arXivTypeRelative = \case
ArXivAbs -> [relativeReference|/abs|]
ArXivPdf -> [relativeReference|/pdf|]
ArXivSrc -> [relativeReference|/src|]
arXivLink :: ArXivType -> ArXiv a -> URI
arXivLink at a = _identifier a `relativeTo` arXivTypeRelative at `relativeTo` arXivURI
doiURI :: URI
doiURI = [uri|https://doi.org/|]
doiLink :: DOI -> URI
doiLink (DOI u) = u `relativeTo` doiURI
mkPaper :: (MonadFail m, Alternative m) => B.T -> m (Paper String)
mkPaper bib = do
let key = B.identifier bib
abstract = M.lookup "abstract" fields
-- extraLink = M.lookup "extralink" fields
title <- find' "title"
authors <- find' "author" >>= traverse (ffmap toSL . parseName . toSL) . BP.splitAuthorList
status <- do
date <- getDate
traverse puri (M.lookup "doi" fields) >>= \case
Just u -> do
let doi = DOI u
journal <- findit "journal" fields
pure $ Published {..}
Nothing -> pure $ case M.lookup "journal" fields of
Just journal -> Accepted {..}
Nothing -> case toLower <<$>> M.lookup "pubstate" fields of
Just "unpublished" -> Unpublished {..}
_ -> Submitted {..}
-- case toLower <<$>> M.lookup "pubstate" of
-- Just "submitted" -> Submitted <$> getDate
-- Just "unpublished" -> Unpublished <$> getDate
-- Just "accepted" -> Accepted <$> getDate <*> find' "journal"
-- _ -> do
-- journal <- find' "journal"
-- doi <- find' "doi" >>= fmap DOI . puri
-- date <- getDate
-- pure $ Published {..}
extraLink <- traverse puri $ M.lookup "extralink" fields
eprints <- case toLower <<$>> M.lookup "eprinttype" fields of
Just "arxiv" -> do
_identifier <- find' "eprint" >>= puri
_class <- find' "eprintclass"
pure $ pure $ ArXivEprint $ ArXiv {..}
Just s -> do
let eprintName = s
eprintLink <- find' "eprint" >>= puri
pure $ pure $ OtherEprint {..}
Nothing -> pure []
pure $ Paper {..}
where
fields = M.fromList $ B.fields bib
find' k = findit k fields
getDate = mapM (`findit` fields) [ "month", "year" ] >>= parseTimeM True defaultTimeLocale "%b %Y" . unwords
puri :: MonadFail m => String -> m URI
puri u = maybe (fail $ show u <> " cannot be understood as a uri") pure $ parseRelativeReference u
findit :: (Show a, Ord a, MonadFail m) => a -> M.Map a x -> m x
findit k = maybe (fail $ "Field " <> show k <> " does not exist") pure . M.lookup k
|
