src/Gargantext/Viz/Phylo/Aggregates/Document.hs

   1 {-|
   2 Module      : Gargantext.Viz.Phylo.Tools
   3 Description : Phylomemy Tools to build/manage it
   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
  13 {-# LANGUAGE NoImplicitPrelude #-}
  14 {-# LANGUAGE FlexibleContexts  #-}
  15 {-# LANGUAGE OverloadedStrings #-}
  16
  17 module Gargantext.Viz.Phylo.Aggregates.Document
  18   where
  19
  20 import Data.List        (last)
  21 import Data.Map         (Map)
  22 import Data.Text        (Text)
  23 import Data.Tuple       (fst)
  24 import Data.Vector      (Vector)
  25 import Gargantext.Prelude
  26 import Gargantext.Text.Terms.Mono (monoTexts)
  27 import Gargantext.Viz.Phylo
  28 import qualified Data.List   as List
  29 import qualified Data.Map    as Map
  30 import qualified Data.Vector as Vector
  31
  32
  33 -- | To init a list of Periods framed by a starting Date and an ending Date
  34 initPeriods :: (Eq date, Enum date) => Grain -> Step -> (date, date) -> [(date, date)]
  35 initPeriods g s (start,end) = map (\l -> (head' "Doc" l, last l))
  36                             $ chunkAlong g s [start .. end]
  37
  38
  39 -- | To group a list of Documents by fixed periods
  40 groupDocsByPeriod :: (Ord date, Enum date) => (doc -> date) -> [(date,date)] -> [doc] -> Map (date, date) [doc]
  41 groupDocsByPeriod _ _   [] = panic "[ERR][Viz.Phylo.Example.docsToPeriods] Empty [Documents] can not have any periods"
  42 groupDocsByPeriod f pds es = Map.fromList $ zip pds $ map (inPeriode f es) pds
  43   where
  44     --------------------------------------
  45     inPeriode :: Ord b => (t -> b) -> [t] -> (b, b) -> [t]
  46     inPeriode f' h (start,end) =
  47       fst $ List.partition (\d -> f' d >= start && f' d <= end) h
  48     --------------------------------------
  49
  50
  51 -- | To parse a list of Documents by filtering on a Vector of Ngrams
  52 parseDocs :: Vector Ngrams -> [(Date,Text)] -> [Document]
  53 parseDocs roots c = map (\(d,t)
  54                 -> Document d ( filter (\x -> Vector.elem x roots)
  55                               $ monoTexts t)) c
  56
  57