src/Gargantext/Viz/Graph/API.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 {-# OPTIONS_GHC -fno-warn-orphans #-}
  14
  15 {-# LANGUAGE FlexibleContexts  #-}
  16 {-# LANGUAGE FlexibleInstances #-}
  17 {-# LANGUAGE RankNTypes        #-}
  18 {-# LANGUAGE NoImplicitPrelude #-}
  19 {-# LANGUAGE OverloadedStrings #-}   -- allows to write Text literals
  20 {-# LANGUAGE OverloadedLists   #-}   -- allows to write Map and HashMap as lists
  21 {-# LANGUAGE DataKinds         #-}
  22 {-# LANGUAGE TypeOperators     #-}
  23
  24 module Gargantext.Viz.Graph.API
  25   where
  26
  27 -- import Debug.Trace (trace)
  28 import Control.Lens (set, (^.), _Just, (^?))
  29 import Control.Monad.IO.Class (liftIO)
  30 import Data.Maybe (Maybe(..))
  31 import Gargantext.API.Ngrams (NgramsRepo, r_version)
  32 import Gargantext.API.Ngrams.Tools
  33 import Gargantext.API.Types
  34 import Gargantext.Core.Types.Main
  35 import Gargantext.Database.Config
  36 import Gargantext.Database.Metrics.NgramsByNode (getNodesByNgramsOnlyUser)
  37 import Gargantext.Database.Schema.Ngrams
  38 import Gargantext.Database.Node.Select
  39 import Gargantext.Database.Schema.Node (getNodeWith, defaultList, insertGraph, HasNodeError)
  40 import Gargantext.Database.Types.Node hiding (node_id) -- (GraphId, ListId, CorpusId, NodeId)
  41 import Gargantext.Database.Node.UpdateOpaleye (updateHyperdata)
  42 import Gargantext.Database.Utils (Cmd)
  43 import Gargantext.Prelude
  44 import Gargantext.Viz.Graph
  45 import Gargantext.Viz.Graph.Tools -- (cooc2graph)
  46 import Servant
  47 import qualified Data.Map as Map
  48
  49 ------------------------------------------------------------------------
  50
  51 -- | There is no Delete specific API for Graph since it can be deleted
  52 -- as simple Node.
  53 type GraphAPI   =  Get  '[JSON] Graph
  54               :<|> Post '[JSON] [GraphId]
  55               :<|> Put  '[JSON] Int
  56
  57
  58 graphAPI :: UserId -> NodeId -> GargServer GraphAPI
  59 graphAPI u n =  getGraph  u n
  60          :<|> postGraph n
  61          :<|> putGraph  n
  62
  63 ------------------------------------------------------------------------
  64
  65 getGraph :: UserId -> NodeId -> GargServer (Get '[JSON] Graph)
  66 getGraph uId nId = do
  67   nodeGraph <- getNodeWith nId HyperdataGraph
  68   let graph = nodeGraph ^. node_hyperdata . hyperdataGraph
  69   let listVersion = graph ^? _Just
  70                             . graph_metadata
  71                             . _Just
  72                             . gm_list
  73                             . lfg_version
  74
  75   repo <- getRepo
  76   let v = repo ^. r_version
  77   nodeUser <- getNodeWith (NodeId uId) HyperdataUser
  78
  79   let uId' = nodeUser ^. node_userId
  80
  81   let cId = maybe (panic "[ERR:G.V.G.API] Node has no parent")
  82                   identity
  83                   $ nodeGraph ^. node_parentId
  84
  85   g <- case graph of
  86     Nothing     -> do
  87       graph' <- computeGraph cId NgramsTerms repo
  88       _ <- insertGraph cId uId' (HyperdataGraph $ Just graph')
  89       pure graph'
  90
  91     Just graph' -> if listVersion == Just v
  92                      then pure graph'
  93                      else do
  94                        graph'' <- computeGraph cId NgramsTerms repo
  95                        _ <- updateHyperdata nId (HyperdataGraph $ Just graph'')
  96                        pure graph''
  97   pure {- $ trace (show g) $ -} g
  98
  99
 100 -- TODO use Database Monad only here ?
 101 computeGraph :: HasNodeError err => CorpusId -> NgramsType -> NgramsRepo -> Cmd err Graph
 102 computeGraph cId nt repo = do
 103   lId  <- defaultList cId
 104
 105   let metadata = GraphMetadata "Title" [cId]
 106                                      [ LegendField 1 "#FFF" "Cluster"
 107                                      , LegendField 2 "#FFF" "Cluster"
 108                                      ]
 109                                 (ListForGraph lId (repo ^. r_version))
 110                          -- (map (\n -> LegendField n "#FFFFFF" (pack $ show n)) [1..10])
 111
 112   lIds <- selectNodesWithUsername NodeList userMaster
 113   let ngs = filterListWithRoot GraphTerm $ mapTermListRoot [lId] nt repo
 114
 115   myCooc <- Map.filter (>1)
 116          <$> getCoocByNgrams (Diagonal True)
 117          <$> groupNodesByNgrams ngs
 118          <$> getNodesByNgramsOnlyUser cId (lIds <> [lId]) nt (Map.keys ngs)
 119
 120   graph <- liftIO $ cooc2graph 0 myCooc
 121   let graph' = set graph_metadata (Just metadata) graph
 122   pure graph'
 123
 124
 125
 126 postGraph :: NodeId -> GargServer (Post '[JSON] [NodeId])
 127 postGraph = undefined
 128
 129 putGraph :: NodeId -> GargServer (Put '[JSON] Int)
 130 putGraph = undefined
 131