1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
{-# LANGUAGE QuasiQuotes #-}
module Data.Paper
( Paper (..)
, Status (..)
, ArXiv (..)
, DOI (..)
, Eprint (..)
, mkPaper
) 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 Text.BibTeX.Entry qualified as B
import Text.BibTeX.Parse qualified as B
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 (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= Unpublished { date :: !Day }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' "authors" >>= traverse (ffmap toSL . parseName . toSL) . B.splitAuthorList
status <- do
date <- getDate
traverse puri (M.lookup "doi" fields) >>= \case
Just u -> do
let doi = DOI u
journal <- findit "journal"
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
eprint <- 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 [ "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 $ parseURI 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
|
