istex: adapt field source, and remove a systematic prefix from author registrations

cabal.project

@@ -99,7 +99,7 @@ source-repository-package
 source-repository-package
     type: git
     location: https://gitlab.iscpif.fr/gargantext/crawlers/istex.git
-    tag: 9b1bd17f3ed38eab83e675bb68278922217a9c73
+    tag: c1aba6034ceddcd1cdd0378c3841068c96accca7
 
 source-repository-package
     type: git

src/Gargantext/Core/Text/Corpus/Parsers/JSON/Istex.hs

@@ -41,9 +41,9 @@ toDoc la (ISTEX.Document i t a ab d s) = do
                            , _hd_uniqIdBdd = Nothing
                            , _hd_page      = Nothing
                            , _hd_title     = t
-                           , _hd_authors = Just $ foldl (\x y -> x <> ", " <> y) "" (map ISTEX._author_name a)
-                           , _hd_institutes = Just $ foldl (\x y -> x <> ", " <> y) "" (concat $ (map ISTEX._author_affiliations) a)
-                           , _hd_source = Just $ foldl (\x y -> x <> ", " <> y) "" (ISTEX._source_title s)
+                           , _hd_authors = Just $ foldl (\x y -> if x == "" then y else x <> ", " <> y) "" (map ISTEX._author_name a)
+                           , _hd_institutes = Just $ foldl (\x y -> if x == "" then y else x <> ", " <> y) "" (concat $ (map ISTEX._author_affiliations) a)
+                           , _hd_source = Just $ foldl (\x y -> if x == "" then y else x <> ", " <> y) "" (ISTEX._source_title s)
                            , _hd_abstract = ab
                            , _hd_publication_date = fmap (T.pack . show) utctime
                            , _hd_publication_year = pub_year