src/Gargantext/Database/Flow/Utils.hs

   1 {-|
   2 Module      : Gargantext.Database.Flow.Utils
   3 Description : Database Flow
   4 Copyright   : (c) CNRS, 2017-Present
   5 License     : AGPL + CECILL v3
   6 Maintainer  : team@gargantext.org
   7 Stability   : experimental
   8 Portability : POSIX
   9
  10 -}
  11
  12 {-# LANGUAGE NoImplicitPrelude #-}
  13 {-# LANGUAGE OverloadedStrings #-}
  14 {-# LANGUAGE RankNTypes        #-}
  15
  16 module Gargantext.Database.Flow.Utils
  17     where
  18
  19 import Data.Map (Map)
  20 import qualified Data.Map as DM
  21 import Gargantext.Prelude
  22 import Gargantext.Database.Schema.Ngrams
  23 import Gargantext.Database.Types.Node (NodeId, Node, NodePoly(..), Hyperdata)
  24 import Gargantext.Database.Utils (Cmd)
  25 import Gargantext.Database.Schema.NodeNgram
  26 import Gargantext.Core.Types.Main (ListType(..), listTypeId)
  27
  28 toMaps :: Hyperdata a => (a -> Map (NgramsT Ngrams) Int) -> [Node a] -> Map (NgramsT Ngrams) (Map NodeId Int)
  29 toMaps fun ns = mapNodeIdNgrams $ documentIdWithNgrams fun ns'
  30   where
  31     ns' = map (\(Node nId _ _ _ _ _ json) -> DocumentWithId nId json) ns
  32
  33 mapNodeIdNgrams :: Hyperdata a => [DocumentIdWithNgrams a] -> Map (NgramsT Ngrams) (Map NodeId Int)
  34 mapNodeIdNgrams ds = DM.map (DM.fromListWith (+)) $ DM.fromListWith (<>) xs
  35   where
  36     xs  = [(ng, [(nId, i)]) | (nId, n2i') <- n2i ds, (ng, i) <- DM.toList n2i']
  37     n2i = map (\d -> ((documentId . documentWithId) d, document_ngrams d))
  38
  39
  40 documentIdWithNgrams :: Hyperdata a => (a -> Map (NgramsT Ngrams) Int)
  41                                      -> [DocumentWithId a] -> [DocumentIdWithNgrams a]
  42 documentIdWithNgrams f = map (\d -> DocumentIdWithNgrams d ((f . documentData) d))
  43
  44
  45 data DocumentWithId a =
  46      DocumentWithId { documentId   :: NodeId
  47                     , documentData :: a
  48                     } deriving (Show)
  49
  50
  51 data DocumentIdWithNgrams a =
  52      DocumentIdWithNgrams
  53      { documentWithId  :: DocumentWithId a
  54      , document_ngrams :: Map (NgramsT Ngrams) Int
  55      } deriving (Show)
  56
  57 -- | TODO for now, list Type is CandidateTerm because Graph Terms
  58 -- have to be detected in next step in the flow
  59 insertToNodeNgrams :: Map NgramsIndexed (Map NgramsType (Map NodeId Int)) -> Cmd err Int
  60 insertToNodeNgrams m = insertNodeNgrams [ NodeNgram n (_ngramsId ng) Nothing (ngramsTypeId t) (listTypeId CandidateTerm) (fromIntegral i)
  61                                         | (ng, t2n2i) <- DM.toList m
  62                                         , (t,  n2i)   <- DM.toList t2n2i
  63                                         , (n,  i)     <- DM.toList n2i
  64                                         ]
  65