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 (currentVersion)
  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 (getNode, defaultList, insertGraph)
  40 import Gargantext.Database.Types.Node hiding (node_id) -- (GraphId, ListId, CorpusId, NodeId)
  41 import Gargantext.Database.Node.UpdateOpaleye (updateHyperdata)
  42 import Gargantext.Prelude
  43 import Gargantext.Viz.Graph
  44 import Gargantext.Viz.Graph.Tools -- (cooc2graph)
  45 import Servant
  46 import qualified Data.Map as Map
  47
  48 ------------------------------------------------------------------------
  49
  50 -- | There is no Delete specific API for Graph since it can be deleted
  51 -- as simple Node.
  52 type GraphAPI   =  Get  '[JSON] Graph
  53               :<|> Post '[JSON] [GraphId]
  54               :<|> Put  '[JSON] Int
  55
  56
  57 graphAPI :: UserId -> NodeId -> GargServer GraphAPI
  58 graphAPI u n =  getGraph  u n
  59          :<|> postGraph n
  60          :<|> putGraph  n
  61
  62 ------------------------------------------------------------------------
  63
  64 getGraph :: UserId -> NodeId -> GargServer (Get '[JSON] Graph)
  65 getGraph uId nId = do
  66   nodeGraph <- getNode nId HyperdataGraph
  67   let graph = nodeGraph ^. node_hyperdata . hyperdataGraph
  68   let graphVersion = graph ^? _Just
  69                             . graph_metadata
  70                             . _Just
  71                             . gm_version
  72
  73   v <- currentVersion
  74   nodeUser <- getNode (NodeId uId) HyperdataUser
  75
  76   let uId' = nodeUser ^. node_userId
  77
  78   let cId = maybe (panic "[ERR:G.V.G.API] Node has no parent")
  79                   identity
  80                   $ nodeGraph ^. node_parentId
  81   case graph of
  82     Nothing     -> do
  83       graph' <- computeGraph cId NgramsTerms v
  84       _ <- insertGraph cId uId' (HyperdataGraph $ Just graph')
  85       pure graph'
  86
  87     Just graph' -> if graphVersion == Just v
  88                      then pure graph'
  89                      else do
  90                        graph'' <- computeGraph cId NgramsTerms v
  91                        _ <- updateHyperdata nId (HyperdataGraph $ Just graph'')
  92                        pure graph''
  93
  94 -- TODO use Database Monad only here ?
  95 computeGraph :: CorpusId -> NgramsType -> Int -> GargServer (Get '[JSON] Graph)
  96 computeGraph cId nt v = do
  97   lId  <- defaultList cId
  98
  99   let metadata = GraphMetadata "Title" [cId]
 100                                      [ LegendField 1 "#FFF" "Cluster"
 101                                      , LegendField 2 "#FFF" "Cluster"
 102                                      ]
 103                                 lId
 104                                 v
 105                          -- (map (\n -> LegendField n "#FFFFFF" (pack $ show n)) [1..10])
 106
 107   lIds <- selectNodesWithUsername NodeList userMaster
 108   ngs  <- filterListWithRoot GraphTerm <$> mapTermListRoot [lId] nt
 109
 110   myCooc <- Map.filter (>1)
 111          <$> getCoocByNgrams (Diagonal True)
 112          <$> groupNodesByNgrams ngs
 113          <$> getNodesByNgramsOnlyUser cId (lIds <> [lId]) nt (Map.keys ngs)
 114
 115   graph <- trace (show myCooc) $ liftIO $ cooc2graph 0 myCooc
 116   let graph' = set graph_metadata (Just metadata) graph
 117   pure graph'
 118
 119
 120
 121 postGraph :: NodeId -> GargServer (Post '[JSON] [NodeId])
 122 postGraph = undefined
 123
 124 putGraph :: NodeId -> GargServer (Put '[JSON] Int)
 125 putGraph = undefined
 126