src/Gargantext/Database/Learn.hs

   1 {-|
   2 Module      : Gargantext.Database.Learn
   3 Description : Learn Small Data Analytics with big data connection (DB)
   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 QuasiQuotes       #-}
  14 {-# LANGUAGE RankNTypes        #-}
  15 {-# LANGUAGE OverloadedStrings #-}
  16 {-# LANGUAGE FlexibleContexts  #-}
  17 {-# LANGUAGE MonoLocalBinds    #-}
  18
  19 module Gargantext.Database.Learn where
  20
  21 import Data.Text (Text)
  22 import Data.Tuple (snd)
  23 import Data.Maybe
  24 import Gargantext.Database.Facet
  25 import Gargantext.Database.Types.Node
  26 import Gargantext.Prelude
  27 import Gargantext.Text.Learn
  28 import qualified Data.List as List
  29 import qualified Data.Text as Text
  30 import Gargantext.Database.Schema.NodeNode (nodeNodesCategory)
  31 --import Gargantext.Database.Utils (Cmd)
  32 --import Gargantext.Database.Schema.Node (HasNodeError)
  33 import Gargantext.API
  34 import Gargantext.API.Settings
  35 import Gargantext.Database.Flow (FlowCmdM)
  36
  37 data FavOrTrash = IsFav | IsTrash
  38   deriving (Eq)
  39
  40
  41 --moreLike :: FlowCmdM env error m => FavOrTrash -> CorpusId -> m (Events Bool, [FacetDoc])
  42
  43 moreLike :: FlowCmdM DevEnv GargError m => FavOrTrash -> CorpusId -> m [FacetDoc]
  44 moreLike ft cId = do
  45   priors <- getPriors ft cId
  46   moreLikeWith priors ft cId
  47
  48
  49 ---------------------------------------------------------------------------
  50 getPriors :: FlowCmdM DevEnv GargError m => FavOrTrash -> CorpusId -> m (Events Bool)
  51 getPriors ft cId = do
  52   docs_trash <- runViewDocuments cId True Nothing Nothing Nothing
  53
  54   docs_fav   <- filter (\(FacetDoc _ _ _ _ f _) -> f == 2)
  55               <$> runViewDocuments cId False Nothing Nothing Nothing
  56
  57
  58   let priors = priorEventsWith text (fav2bool ft) (  List.zip (repeat False) docs_fav
  59                                       <> List.zip (repeat True ) docs_trash
  60                                       )
  61   pure priors
  62
  63
  64 moreLikeWith :: FlowCmdM DevEnv GargError m => Events Bool -> FavOrTrash -> CorpusId -> m [FacetDoc]
  65 moreLikeWith priors ft cId = do
  66
  67   docs_test  <- filter (\(FacetDoc _ _ _ _ f _) -> f == 0)
  68               <$> runViewDocuments cId False Nothing Nothing Nothing
  69
  70   let results = map fst
  71        $ filter ((==) (Just $ not $ fav2bool ft) . snd)
  72        $ map (\f -> (f, detectDefaultWithPriors text priors f)) docs_test
  73
  74   pure results
  75
  76 ---------------------------------------------------------------------------
  77 fav2bool :: FavOrTrash -> Bool
  78 fav2bool ft = if (==) ft IsFav then True else False
  79
  80
  81 text :: FacetDoc -> Text
  82 text (FacetDoc _ _ _ h _ _)  = title <> "" <> Text.take 100 abstr
  83   where
  84     title = maybe "" identity (_hyperdataDocument_title    h)
  85     abstr = maybe "" identity (_hyperdataDocument_abstract h)
  86
  87 ---------------------------------------------------------------------------
  88
  89 apply :: (FlowCmdM DevEnv GargError m) => FavOrTrash -> CorpusId -> [NodeId] -> m [Int]
  90 apply favTrash cId ns = case favTrash of
  91       IsFav   -> nodeNodesCategory $ map (\n -> (cId, n, 2)) ns
  92       IsTrash -> nodeNodesCategory $ map (\n -> (cId, n, 0)) ns
  93
  94 moreLikeAndApply :: FlowCmdM DevEnv GargError m => FavOrTrash -> CorpusId -> m [Int]
  95 moreLikeAndApply ft cId = do
  96   priors <- getPriors ft cId
  97   moreLikeWithAndApply priors ft cId
  98
  99 moreLikeWithAndApply :: FlowCmdM DevEnv GargError m => Events Bool -> FavOrTrash -> CorpusId -> m [Int]
 100 moreLikeWithAndApply priors ft cId = do
 101   ids <- map facetDoc_id <$> moreLikeWith priors ft cId
 102   apply ft cId ids
 103