[document export] add garg version

src/Gargantext/API/Node/Document/Export.hs

@@ -11,12 +11,15 @@ Portability : POSIX
 module Gargantext.API.Node.Document.Export
   where
 
+import qualified Data.Text as T
+import Data.Version (showVersion)
 import Gargantext.API.Node.Document.Export.Types
 import Gargantext.API.Prelude (GargNoServer)
 import Gargantext.Core.Types
 -- import Gargantext.Database.Admin.Types.Hyperdata (HyperdataDocument(..))
 import Gargantext.Database.Query.Table.Node (getDocumentsWithParentId)
 import Gargantext.Prelude
+import qualified Paths_gargantext as PG -- cabal magic build module
 -- import Servant (Proxy(..))
 
 --------------------------------------------------
@@ -28,7 +31,7 @@ getDocuments pId = do
   docs <- getDocumentsWithParentId pId -- NodeDocument (Proxy :: Proxy HyperdataDocument)
   printDebug "[getDocuments] got docs" docs
   pure $ DocumentExport { _de_documents = mapDoc <$> docs
-                        , _de_garg_version = "" }
+                        , _de_garg_version = T.pack $ showVersion PG.version }
   where
     mapDoc d = Document { _d_document = d
                         , _d_ngrams   = Ngrams { _ng_ngrams = []