src/Gargantext/API/Ngrams/Tools.hs

   1 {-|
   2 Module      : Gargantext.API.Ngrams.Tools
   3 Description : Tools to manage Ngrams Elements (from the API)
   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 TypeFamilies #-}
  13
  14 module Gargantext.API.Ngrams.Tools
  15   where
  16
  17 import Control.Concurrent
  18 import Control.Lens (_Just, (^.), at, view, At, Index, IxValue)
  19 import Control.Monad.Reader
  20 import Data.HashMap.Strict (HashMap)
  21 import Data.Hashable (Hashable)
  22 import Data.Set (Set)
  23 import Data.Validity
  24 import Gargantext.API.Ngrams.Types
  25 import Gargantext.Core.NodeStory
  26 import Gargantext.Core.Types (ListType(..), NodeId, NodeType(..), ListId)
  27 import Gargantext.Database.Prelude (CmdM, HasConnectionPool(..))
  28 import Gargantext.Database.Schema.Ngrams (NgramsType)
  29 import Gargantext.Prelude
  30 import qualified Data.HashMap.Strict as HM
  31 import qualified Data.Map.Strict     as Map
  32 import qualified Data.Set            as Set
  33 import qualified Gargantext.Core.NodeStoryFile as NSF
  34
  35
  36 mergeNgramsElement :: NgramsRepoElement -> NgramsRepoElement -> NgramsRepoElement
  37 mergeNgramsElement _neOld neNew = neNew
  38
  39 type RootTerm = NgramsTerm
  40
  41
  42 getRepo :: HasNodeStory env err m
  43          => [ListId] -> m NodeListStory
  44 getRepo listIds = do
  45   f <- getNodeListStory
  46   v  <- liftBase $ f listIds
  47   v' <- liftBase $ readMVar v
  48   pure $ v'
  49
  50
  51 repoSize :: Ord k1 => NodeStory (Map.Map k1 (Map.Map k2 a)) p
  52                    -> NodeId
  53                    -> Map.Map k1 Int
  54 repoSize repo node_id = Map.map Map.size state
  55   where
  56     state = repo ^. unNodeStory
  57                   . at node_id . _Just
  58                   . a_state
  59
  60
  61 getNodeStoryVar :: HasNodeStory env err m
  62            => [ListId] -> m (MVar NodeListStory)
  63 getNodeStoryVar l = do
  64   f <- getNodeListStory
  65   v  <- liftBase $ f l
  66   pure v
  67
  68
  69 getNodeListStory :: HasNodeStory env err m
  70                  => m ([NodeId] -> IO (MVar NodeListStory))
  71 getNodeListStory = do
  72   env <- view hasNodeStory
  73   pure $ view nse_getter env
  74
  75
  76
  77 listNgramsFromRepo :: [ListId]
  78                    -> NgramsType
  79                    -> NodeListStory
  80                    -> HashMap NgramsTerm NgramsRepoElement
  81 listNgramsFromRepo nodeIds ngramsType repo =
  82   HM.fromList $ Map.toList
  83               $ Map.unionsWith mergeNgramsElement ngrams
  84     where
  85       ngrams = [ repo
  86                ^. unNodeStory
  87                 . at nodeId . _Just
  88                 . a_state
  89                 . at ngramsType . _Just
  90                 | nodeId <- nodeIds
  91                 ]
  92
  93 -- TODO-ACCESS: We want to do the security check before entering here.
  94 --              Add a static capability parameter would be nice.
  95 --              Ideally this is the access to `repoVar` which needs to
  96 --              be properly guarded.
  97 getListNgrams :: HasNodeStory env err m
  98               => [ListId] -> NgramsType
  99               -> m (HashMap NgramsTerm NgramsRepoElement)
 100 getListNgrams nodeIds ngramsType = listNgramsFromRepo nodeIds ngramsType
 101                                  <$> getRepo nodeIds
 102
 103
 104 getTermsWith :: (HasNodeStory env err m, Eq a, Hashable a)
 105           => (NgramsTerm -> a) -> [ListId]
 106           -> NgramsType -> Set ListType
 107           -> m (HashMap a [a])
 108 getTermsWith f ls ngt lts  = HM.fromListWith (<>)
 109                       <$> map toTreeWith
 110                       <$> HM.toList
 111                       <$> HM.filter (\f' -> Set.member (fst f') lts)
 112                       <$> mapTermListRoot ls ngt
 113                       <$> getRepo ls
 114   where
 115     toTreeWith (t, (_lt, maybeRoot)) = case maybeRoot of
 116       Nothing -> (f t, [])
 117       Just  r -> (f r, [f t])
 118
 119
 120
 121 mapTermListRoot :: [ListId]
 122                 -> NgramsType
 123                 -> NodeListStory
 124                 -> HashMap NgramsTerm (ListType, Maybe NgramsTerm)
 125 mapTermListRoot nodeIds ngramsType repo =
 126       (\nre -> (_nre_list nre, _nre_root nre))
 127   <$> listNgramsFromRepo nodeIds ngramsType repo
 128
 129
 130
 131
 132 filterListWithRootHashMap :: ListType
 133                           -> HashMap NgramsTerm (ListType, Maybe NgramsTerm)
 134                           -> HashMap NgramsTerm (Maybe RootTerm)
 135 filterListWithRootHashMap lt m = snd <$> HM.filter isMapTerm m
 136   where
 137     isMapTerm (l, maybeRoot) = case maybeRoot of
 138       Nothing -> l == lt
 139       Just  r -> case HM.lookup r m of
 140         Nothing -> panic $ "[Garg.API.Ngrams.Tools] filterWithRoot, unknown key: " <> unNgramsTerm r
 141         Just  (l',_) -> l' == lt
 142
 143 filterListWithRoot :: [ListType]
 144                    -> HashMap NgramsTerm (ListType, Maybe NgramsTerm)
 145                    -> HashMap NgramsTerm (Maybe RootTerm)
 146 filterListWithRoot lt m = snd <$> HM.filter isMapTerm m
 147   where
 148     isMapTerm (l, maybeRoot) = case maybeRoot of
 149       Nothing -> elem l lt
 150       Just  r -> case HM.lookup r m of
 151         Nothing -> panic $ "[Garg.API.Ngrams.Tools] filterWithRoot, unknown key: " <> unNgramsTerm r
 152         Just  (l',_) -> elem l' lt
 153
 154 groupNodesByNgrams :: ( At root_map
 155                       , Index root_map ~ NgramsTerm
 156                       , IxValue root_map ~ Maybe RootTerm
 157                       )
 158                    => root_map
 159                    -> HashMap NgramsTerm (Set NodeId)
 160                    -> HashMap NgramsTerm (Set NodeId)
 161 groupNodesByNgrams syn occs = HM.fromListWith (<>) occs'
 162   where
 163     occs' = map toSyn (HM.toList occs)
 164     toSyn (t,ns) = case syn ^. at t of
 165       Nothing -> panic $ "[Garg.API.Ngrams.Tools.groupNodesByNgrams] unknown key: " <> unNgramsTerm t
 166       Just  r -> case r of
 167         Nothing  -> (t, ns)
 168         Just  r' -> (r',ns)
 169
 170 data Diagonal = Diagonal Bool
 171
 172 getCoocByNgrams :: Diagonal
 173                 -> HashMap NgramsTerm (Set NodeId)
 174                 -> HashMap (NgramsTerm, NgramsTerm) Int
 175 getCoocByNgrams = getCoocByNgrams' identity
 176
 177
 178 getCoocByNgrams' :: (Hashable a, Ord a, Ord c)
 179                  => (b -> Set c)
 180                  -> Diagonal
 181                  -> HashMap a b
 182                  -> HashMap (a, a) Int
 183 getCoocByNgrams' f (Diagonal diag) m =
 184   HM.fromList [( (t1,t2)
 185                , maybe 0 Set.size $ Set.intersection
 186                                  <$> (fmap f $ HM.lookup t1 m)
 187                                  <*> (fmap f $ HM.lookup t2 m)
 188                )
 189               | (t1,t2) <- if diag then
 190                              [ (x,y) | x <- ks, y <- ks, x <= y] -- TODO if we keep a Data.Map here it might be
 191                                                                  -- more efficient to enumerate all the y <= x.
 192                            else
 193                              listToCombi identity ks
 194               ]
 195
 196   where ks = HM.keys m
 197
 198 ------------------------------------------
 199
 200
 201 migrateFromDirToDb :: (CmdM env err m, HasNodeStory env err m)
 202                    => m ()
 203 migrateFromDirToDb = do
 204   pool <- view connPool
 205   listIds <- liftBase $ getNodesIdWithType pool NodeList
 206   printDebug "[migrateFromDirToDb] listIds" listIds
 207   (NodeStory nls) <- NSF.getRepoReadConfig listIds
 208   printDebug "[migrateFromDirToDb] nls" nls
 209   _ <- mapM (\(nId, a) -> do
 210                 n <- liftBase $ nodeExists pool nId
 211                 case n of
 212                   False -> pure ()
 213                   True  -> liftBase $ upsertNodeArchive pool nId a
 214             ) $ Map.toList nls
 215   --_ <- nodeStoryIncs (Just $ NodeStory nls) listIds
 216   pure ()