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

   1 {-|
   2 Module      : Gargantext.API.Node.Corpus.Export
   3 Description : Get Metrics from Storage (Database like)
   4 Copyright   : (c) CNRS, 2017-Present
   5 License     : AGPL + CECILL v3
   6 Maintainer  : team@gargantext.org
   7 Stability   : experimental
   8 Portability : POSIX
   9
  10 Main exports of Gargantext:
  11 - corpus
  12 - document and ngrams
  13 - lists
  14 -}
  15
  16 module Gargantext.API.Node.Corpus.Export
  17   where
  18
  19 import Data.Map (Map)
  20 import Data.Maybe (fromMaybe)
  21 import Data.Set (Set)
  22 import qualified Data.List as List
  23 import qualified Data.Map as Map
  24 import qualified Data.Set as Set
  25 import qualified Data.HashMap.Strict as HashMap
  26
  27 import Gargantext.API.Node.Corpus.Export.Types
  28 import Gargantext.API.Ngrams.Types
  29 import Gargantext.API.Ngrams.Tools (filterListWithRoot, mapTermListRoot, getRepo')
  30 import Gargantext.API.Prelude (GargNoServer)
  31 import Gargantext.Prelude.Crypto.Hash (hash)
  32 import Gargantext.Core.Types
  33 import Gargantext.Core.NodeStory
  34 import Gargantext.Database.Action.Metrics.NgramsByNode (getNgramsByNodeOnlyUser)
  35 import Gargantext.Database.Admin.Config (userMaster)
  36 import Gargantext.Database.Admin.Types.Hyperdata (HyperdataDocument(..))
  37 import Gargantext.Database.Prelude (Cmd)
  38 import Gargantext.Database.Query.Table.Node
  39 import Gargantext.Database.Query.Table.Node.Error (HasNodeError)
  40 import Gargantext.Database.Query.Table.Node.Select (selectNodesWithUsername)
  41 import Gargantext.Database.Query.Table.NodeNode (selectDocNodes)
  42 import Gargantext.Database.Schema.Ngrams (NgramsType(..))
  43 import Gargantext.Database.Schema.Node (_node_id, _node_hyperdata)
  44 import Gargantext.Prelude
  45
  46 --------------------------------------------------
  47 -- | Hashes are ordered by Set
  48 getCorpus :: CorpusId
  49           -> Maybe ListId
  50           -> Maybe NgramsType
  51           -> GargNoServer Corpus
  52 getCorpus cId lId nt' = do
  53
  54   let
  55     nt = case nt' of
  56       Nothing -> NgramsTerms
  57       Just  t -> t
  58
  59   ns   <- Map.fromList
  60        <$> map (\n -> (_node_id n, n))
  61        <$> selectDocNodes cId
  62
  63   repo <- getRepo' [fromMaybe (panic "[Gargantext.API.Node.Corpus.Export]") lId]
  64   ngs  <- getNodeNgrams cId lId nt repo
  65   let  -- uniqId is hash computed already for each document imported in database
  66     r = Map.intersectionWith (\a b -> Document a (Ngrams (Set.toList b) (hash b)) (d_hash a b)
  67                              ) ns (Map.map (Set.map unNgramsTerm) ngs)
  68           where
  69             d_hash  a b = hash [ fromMaybe "" (_hd_uniqId $ _node_hyperdata a)
  70                                , hash b
  71                                ]
  72   pure $ Corpus (Map.elems r) (hash $ List.map _d_hash
  73                                     $ Map.elems r
  74                               )
  75
  76 getNodeNgrams :: HasNodeError err
  77         => CorpusId
  78         -> Maybe ListId
  79         -> NgramsType
  80         -> NodeListStory
  81         -> Cmd err (Map NodeId (Set NgramsTerm))
  82 getNodeNgrams cId lId' nt repo = do
  83   lId <- case lId' of
  84     Nothing -> defaultList cId
  85     Just  l -> pure l
  86
  87   lIds <- selectNodesWithUsername NodeList userMaster
  88   let ngs = filterListWithRoot MapTerm $ mapTermListRoot [lId] nt repo
  89   -- TODO HashMap
  90   r <- getNgramsByNodeOnlyUser cId (lIds <> [lId]) nt (HashMap.keys ngs)
  91   pure r
  92
  93 -- TODO
  94 -- Exports List
  95 -- Version number of the list