src/Gargantext/Viz/Phylo/View/Metrics.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.View.Metrics
  18   where
  19
  20 import Control.Lens     hiding (makeLenses, both, Level)
  21 import Data.List        (last,head,groupBy,sortOn)
  22 import Data.Map         (insert)
  23 import Data.Text        (Text)
  24 import Data.Tuple       (fst, snd)
  25 import Gargantext.Prelude             hiding (head)
  26 import Gargantext.Viz.Phylo
  27 import Gargantext.Viz.Phylo.Tools
  28
  29
  30 -- | To add a new meta Metric to a PhyloBranch
  31 addBranchMetrics :: PhyloBranchId -> Text -> Double -> PhyloView -> PhyloView
  32 addBranchMetrics id lbl val v = over (pv_branches
  33                                      . traverse)
  34                                     (\b -> if getBranchId b == id
  35                                            then b & pb_metrics %~ insert lbl [val]
  36                                            else b) v
  37
  38
  39 -- | To get the age (in year) of all the branches of a PhyloView
  40 branchAge :: PhyloView -> PhyloView
  41 branchAge v = foldl (\v' b -> let bId = (fst . head) b
  42                                   prds = sortOn fst $ map snd b
  43                               in addBranchMetrics bId "age" ((abs . fromIntegral) $ ((snd . last) prds) - ((fst . head) prds)) v') v
  44             $ groupBy ((==) `on` fst)
  45             $ sortOn fst
  46             $ map (\n -> (getNodeBranchId n, (fst . fst) $ getNodeId n))
  47             $ getNodesInBranches v
  48
  49
  50 -- | To process a list of Metrics to a PhyloView
  51 processMetrics :: [Metric] -> Phylo -> PhyloView -> PhyloView
  52 processMetrics ms _p v = foldl (\v' m -> case m of
  53                                         BranchAge -> branchAge v'
  54                                        -- _         -> panic "[ERR][Viz.Phylo.Example.processMetrics] metric not found"
  55                                         ) v ms
  56
  57