Merge remote-tracking branch 'origin/281-dev-ngrams-fixes' into dev

gargantext.cabal

@@ -130,6 +130,7 @@ library
       Gargantext.Database.Admin.Types.Node
       Gargantext.Database.Prelude
       Gargantext.Database.Query.Facet
+      Gargantext.Database.Query.Table.Ngrams
       Gargantext.Database.Query.Table.NgramsPostag
       Gargantext.Database.Query.Table.Node
       Gargantext.Database.Query.Table.Node.Error
@@ -216,7 +217,6 @@ library
       Gargantext.Core.Methods.Similarities.Accelerate.SpeGen
       Gargantext.Core.Methods.Similarities.Conditional
       Gargantext.Core.Methods.Similarities.Distributional
-      Gargantext.Core.NodeStoryFile
       Gargantext.Core.Statistics
       Gargantext.Core.Text.Convert
       Gargantext.Core.Text.Corpus.API.Hal
@@ -329,7 +329,6 @@ library
       Gargantext.Database.Query.Table.Context
       Gargantext.Database.Query.Table.ContextNodeNgrams
       Gargantext.Database.Query.Table.ContextNodeNgrams2
-      Gargantext.Database.Query.Table.Ngrams
       Gargantext.Database.Query.Table.Node.Children
       Gargantext.Database.Query.Table.Node.Contact
       Gargantext.Database.Query.Table.Node.Document.Add
@@ -892,6 +891,7 @@ test-suite garg-test-tasty
       Test.Core.Utils
       Test.Database.Operations
       Test.Database.Operations.DocumentSearch
+      Test.Database.Operations.NodeStory
       Test.Database.Setup
       Test.Database.Types
       Test.Graph.Clustering
@@ -1002,6 +1002,7 @@ test-suite garg-test-hspec
       Test.API.Setup
       Test.Database.Operations
       Test.Database.Operations.DocumentSearch
+      Test.Database.Operations.NodeStory
       Test.Database.Setup
       Test.Database.Types
       Test.Utils

src/Gargantext/API/Admin/EnvTypes.hs

@@ -138,9 +138,6 @@ instance HasNodeStoryEnv Env where
 instance HasNodeStoryVar Env where
   hasNodeStoryVar = hasNodeStory . nse_getter
 
-instance HasNodeStorySaver Env where
-  hasNodeStorySaver = hasNodeStory . nse_saver
-
 instance HasNodeStoryImmediateSaver Env where
   hasNodeStoryImmediateSaver = hasNodeStory . nse_saver_immediate
 
@@ -310,9 +307,6 @@ instance HasNodeStoryEnv DevEnv where
 instance HasNodeStoryVar DevEnv where
   hasNodeStoryVar = hasNodeStory . nse_getter
 
-instance HasNodeStorySaver DevEnv where
-  hasNodeStorySaver = hasNodeStory . nse_saver
-
 instance HasNodeStoryImmediateSaver DevEnv where
   hasNodeStoryImmediateSaver = hasNodeStory . nse_saver_immediate
 

src/Gargantext/API/Admin/Settings.hs

@@ -186,8 +186,8 @@ newEnv logger port file = do
   !self_url_env  <- parseBaseUrl $ "http://0.0.0.0:" <> show port
   dbParam        <- databaseParameters file
   !pool          <- newPool dbParam
-  --nodeStory_env <- readNodeStoryEnv (_gc_repofilepath config_env)
-  !nodeStory_env <- readNodeStoryEnv pool
+  --nodeStory_env <- fromDBNodeStoryEnv (_gc_repofilepath config_env)
+  !nodeStory_env <- fromDBNodeStoryEnv pool
   !scrapers_env  <- newJobEnv defaultSettings manager_env
 
   secret        <- Jobs.genSecret

src/Gargantext/API/Dev.hs

@@ -38,9 +38,9 @@ withDevEnv iniPath k = withLoggerHoisted Dev $ \logger -> do
     newDevEnv logger = do
       cfg     <- readConfig         iniPath
       dbParam <- databaseParameters iniPath
-      --nodeStory_env <- readNodeStoryEnv (_gc_repofilepath cfg)
+      --nodeStory_env <- fromDBNodeStoryEnv (_gc_repofilepath cfg)
       pool    <- newPool            dbParam
-      nodeStory_env <- readNodeStoryEnv pool
+      nodeStory_env <- fromDBNodeStoryEnv pool
       setts   <- devSettings devJwkFile
       mail    <- Mail.readConfig iniPath
       nlp_config <- NLP.readConfig iniPath

src/Gargantext/API/Ngrams.hs

@@ -87,8 +87,7 @@ module Gargantext.API.Ngrams
   )
   where
 
-import Control.Concurrent
-import Control.Lens ((.~), view, (^.), (^..), (+~), (%~), (.~), msumOf, at, _Just, Each(..), (%%~), mapped, ifolded, to, withIndex, over)
+import Control.Lens ((.~), view, (^.), (^..), (+~), (%~), (.~), msumOf, at, _Just, Each(..), (%%~), mapped, non, ifolded, to, withIndex, over)
 import Control.Monad.Reader
 import Data.Aeson.Text qualified as DAT
 import Data.Foldable
@@ -123,6 +122,7 @@ import Gargantext.Database.Schema.Node (node_id, node_parent_id, node_user_id)
 import Gargantext.Prelude hiding (log, to, toLower, (%))
 import Gargantext.Prelude.Clock (hasTime, getTime)
 import Gargantext.Utils.Jobs (serveJobsAPI, MonadJobStatus(..))
+import GHC.Conc (readTVar, writeTVar)
 import Prelude (error)
 import Servant hiding (Patch)
 
@@ -173,10 +173,10 @@ mkChildrenGroups addOrRem nt patches =
 
 ------------------------------------------------------------------------
 
-saveNodeStory :: ( MonadReader env m, MonadBase IO m, HasNodeStorySaver env )
+saveNodeStory :: ( MonadReader env m, MonadBase IO m, HasNodeStoryImmediateSaver env )
               => m ()
 saveNodeStory = do
-  saver <- view hasNodeStorySaver
+  saver <- view hasNodeStoryImmediateSaver
   liftBase $ do
     --Gargantext.Prelude.putStrLn "---- Running node story saver ----"
     saver
@@ -249,7 +249,6 @@ addListNgrams listId ngramsType nes = do
 -- | TODO: incr the Version number
 -- && should use patch
 -- UNSAFE
-
 setListNgrams :: HasNodeStory env err m
               => NodeId
               -> TableNgrams.NgramsType
@@ -257,15 +256,18 @@ setListNgrams :: HasNodeStory env err m
               -> m ()
 setListNgrams listId ngramsType ns = do
   -- printDebug "[setListNgrams]" (listId, ngramsType)
-  getter <- view hasNodeStory
-  var <- liftBase $ (getter ^. nse_getter) [listId]
-  liftBase $ modifyMVar_ var $
-    pure . ( unNodeStory
-           . at listId . _Just
-            . a_state
-              . at ngramsType
-              .~ Just ns
-           )
+  var <- getNodeStoryVar [listId]
+  liftBase $ atomically $ do
+    nls <- readTVar var
+    writeTVar var $
+      ( unNodeStory
+        . at listId . _Just
+        . a_state
+        . at ngramsType
+        %~ (\mns' -> case mns' of
+               Nothing -> Just ns
+               Just ns' -> Just $ ns <> ns')
+      ) nls
   saveNodeStory
 
 
@@ -292,57 +294,67 @@ commitStatePatch listId (Versioned _p_version p) = do
   -- printDebug "[commitStatePatch]" listId
   var <- getNodeStoryVar [listId]
   archiveSaver <- view hasNodeArchiveStoryImmediateSaver
-  vq' <- liftBase $ modifyMVar var $ \ns -> do
-    let
-      a = ns ^. unNodeStory . at listId . _Just
-      -- apply patches from version p_version to a ^. a_version
-      -- TODO Check this
-      --q = mconcat $ take (a ^. a_version - p_version) (a ^. a_history)
-      q = mconcat $ a ^. a_history
-
-    --printDebug "[commitStatePatch] transformWith" (p,q)
-    -- let tws s = case s of
-    --       (Mod p) -> "Mod"
-    --       _ -> "Rpl"
-    -- printDebug "[commitStatePatch] transformWith" (tws $ p ^. _NgramsPatch, tws $ q ^. _NgramsPatch)
-
-    let
-      (p', q') = transformWith ngramsStatePatchConflictResolution p q
-      a' = a & a_version +~ 1
-             & a_state   %~ act p'
-             & a_history %~ (p' :)
-
-    {-
-    -- Ideally we would like to check these properties. However:
-    -- * They should be checked only to debug the code. The client data
-    --   should be able to trigger these.
-    -- * What kind of error should they throw (we are in IO here)?
-    -- * Should we keep modifyMVar?
-    -- * Should we throw the validation in an Exception, catch it around
-    --   modifyMVar and throw it back as an Error?
-    assertValid $ transformable p q
-    assertValid $ applicable p' (r ^. r_state)
-    -}
-    -- printDebug "[commitStatePatch] a version" (a ^. a_version)
-    -- printDebug "[commitStatePatch] a' version" (a' ^. a_version)
-    let newNs = ( ns & unNodeStory . at listId .~ (Just a')
-         , Versioned (a' ^. a_version) q'
-         )
-
-    -- NOTE Now is the only good time to save the archive history. We
-    -- have the handle to the MVar and we need to save its exact
-    -- snapshot. Node Story archive is a linear table, so it's only
-    -- couple of inserts, it shouldn't take long...
-
-    -- If we postponed saving the archive to the debounce action, we
-    -- would have issues like
-    -- https://gitlab.iscpif.fr/gargantext/purescript-gargantext/issues/476
-    -- where the `q` computation from above (which uses the archive)
-    -- would cause incorrect patch application (before the previous
-    -- archive was saved and applied)
-    newNs' <- archiveSaver $ fst newNs
+  ns <- liftBase $ atomically $ readTVar var
+  let
+    a = ns ^. unNodeStory . at listId . non initArchive
+    -- apply patches from version p_version to a ^. a_version
+    -- TODO Check this
+    --q = mconcat $ take (a ^. a_version - p_version) (a ^. a_history)
+    q = mconcat $ a ^. a_history
+
+  --printDebug "[commitStatePatch] transformWith" (p,q)
+  -- let tws s = case s of
+  --       (Mod p) -> "Mod"
+  --       _ -> "Rpl"
+  -- printDebug "[commitStatePatch] transformWith" (tws $ p ^. _NgramsPatch, tws $ q ^. _NgramsPatch)
 
-    pure (newNs', snd newNs)
+  let
+    (p', q') = transformWith ngramsStatePatchConflictResolution p q
+    a' = a & a_version +~ 1
+           & a_state   %~ act p'
+           & a_history %~ (p' :)
+
+  {-
+  -- Ideally we would like to check these properties. However:
+  -- * They should be checked only to debug the code. The client data
+  --   should be able to trigger these.
+  -- * What kind of error should they throw (we are in IO here)?
+  -- * Should we keep modifyMVar?
+  -- * Should we throw the validation in an Exception, catch it around
+  --   modifyMVar and throw it back as an Error?
+  assertValid $ transformable p q
+  assertValid $ applicable p' (r ^. r_state)
+  -}
+  -- printDebug "[commitStatePatch] a version" (a ^. a_version)
+  -- printDebug "[commitStatePatch] a' version" (a' ^. a_version)
+  let newNs = ( ns & unNodeStory . at listId .~ (Just a')
+       , Versioned (a' ^. a_version) q'
+       )
+
+  -- NOTE Now is the only good time to save the archive history. We
+  -- have the handle to the MVar and we need to save its exact
+  -- snapshot. Node Story archive is a linear table, so it's only
+  -- couple of inserts, it shouldn't take long...
+
+  -- NOTE This is changed now. Before we used MVar's, now it's TVars
+  -- (MVar's blocked). It was wrapped in withMVar before, now we read
+  -- the TVar, modify archive with archiveSaver, then write the TVar.
+
+  -- pure (newNs', snd newNs)
+  -- writeTVar var newNs'
+
+  --pure newNs
+
+  -- If we postponed saving the archive to the debounce action, we
+  -- would have issues like
+  -- https://gitlab.iscpif.fr/gargantext/purescript-gargantext/issues/476
+  -- where the `q` computation from above (which uses the archive)
+  -- would cause incorrect patch application (before the previous
+  -- archive was saved and applied)
+  -- newNs' <- archiveSaver $ fst newNs
+  liftBase $ do
+    newNs' <- archiveSaver $ fst newNs
+    atomically $ writeTVar var newNs'
 
   -- Save new ngrams
   _ <- insertNgrams (newNgramsFromNgramsStatePatch p)
@@ -350,7 +362,7 @@ commitStatePatch listId (Versioned _p_version p) = do
   -- saveNodeStory
   saveNodeStoryImmediate
 
-  pure vq'
+  pure $ snd newNs
 
 
 
@@ -363,10 +375,10 @@ tableNgramsPull :: HasNodeStory env err m
 tableNgramsPull listId ngramsType p_version = do
   -- printDebug "[tableNgramsPull]" (listId, ngramsType)
   var <- getNodeStoryVar [listId]
-  r <- liftBase $ readMVar var
+  r <- liftBase $ atomically $ readTVar var
 
   let
-    a = r ^. unNodeStory . at listId . _Just
+    a = r ^. unNodeStory . at listId . non initArchive
     q = mconcat $ take (a ^. a_version - p_version) (a ^. a_history)
     q_table = q ^. _PatchMap . at ngramsType . _Just
 
@@ -491,7 +503,7 @@ getNgramsTableMap :: HasNodeStory env err m
                   -> m (Versioned NgramsTableMap)
 getNgramsTableMap nodeId ngramsType = do
   v    <- getNodeStoryVar [nodeId]
-  repo <- liftBase $ readMVar v
+  repo <- liftBase $ atomically $ readTVar v
   pure $ Versioned (repo ^. unNodeStory . at nodeId . _Just . a_version)
                    (repo ^. unNodeStory . at nodeId . _Just . a_state . at ngramsType . _Just)
 

src/Gargantext/API/Ngrams/List.hs

@@ -122,7 +122,11 @@ setList :: HasNodeStory env err m
 setList l m  = do
   -- TODO check with Version for optim
   -- printDebug "New list as file" l
-  _ <- mapM (\(nt, Versioned _v ns) -> setListNgrams l nt ns) $ toList m
+  _ <- mapM (\(nt, Versioned _v ns) -> (setListNgrams l nt ns)) $ toList m
+  -- v <- getNodeStoryVar [l]
+  -- liftBase $ do
+  --   ns <- atomically $ readTVar v
+  --   printDebug "[setList] node story: " ns
   -- TODO reindex
   pure True
 

src/Gargantext/API/Ngrams/Tools.hs

@@ -14,22 +14,20 @@ Portability : POSIX
 module Gargantext.API.Ngrams.Tools
   where
 
-import Control.Concurrent
 import Control.Lens (_Just, (^.), at, view, At, Index, IxValue)
 import Control.Monad.Reader
 import Data.HashMap.Strict (HashMap)
 import Data.HashMap.Strict qualified as HM
 import Data.Map.Strict qualified as Map
-import Data.Pool (withResource)
 import Data.Set qualified as Set
 import Data.Validity
 import Gargantext.API.Ngrams.Types
 import Gargantext.Core.NodeStory
-import Gargantext.Core.NodeStoryFile qualified as NSF
-import Gargantext.Core.Types (ListType(..), NodeId, NodeType(..), ListId)
-import Gargantext.Database.Prelude (HasConnectionPool(..))
+-- import Gargantext.Core.NodeStoryFile qualified as NSF
+import Gargantext.Core.Types (ListType(..), NodeId, ListId)
 import Gargantext.Database.Schema.Ngrams (NgramsType)
 import Gargantext.Prelude
+import GHC.Conc (TVar, readTVar)
 
 
 mergeNgramsElement :: NgramsRepoElement -> NgramsRepoElement -> NgramsRepoElement
@@ -43,7 +41,7 @@ getRepo :: HasNodeStory env err m
 getRepo listIds = do
   f <- getNodeListStory
   v  <- liftBase $ f listIds
-  v' <- liftBase $ readMVar v
+  v' <- liftBase $ atomically $ readTVar v
   pure $ v'
 
 
@@ -58,7 +56,7 @@ repoSize repo node_id = Map.map Map.size state'
 
 
 getNodeStoryVar :: HasNodeStory env err m
-           => [ListId] -> m (MVar NodeListStory)
+           => [ListId] -> m (TVar NodeListStory)
 getNodeStoryVar l = do
   f <- getNodeListStory
   v  <- liftBase $ f l
@@ -66,7 +64,7 @@ getNodeStoryVar l = do
 
 
 getNodeListStory :: HasNodeStory env err m
-                 => m ([NodeId] -> IO (MVar NodeListStory))
+                 => m ([NodeId] -> IO (TVar NodeListStory))
 getNodeListStory = do
   env <- view hasNodeStory
   pure $ view nse_getter env
@@ -228,20 +226,20 @@ getCoocByNgrams'' (Diagonal diag) (f1,f2) (m1,m2) =
 ------------------------------------------
 
 
-migrateFromDirToDb :: (HasNodeStory env err m) -- , HasNodeStory env err m)
-                   => m ()
-migrateFromDirToDb = do
-  pool <- view connPool
-  withResource pool $ \c -> do
-    listIds <- liftBase $ getNodesIdWithType c NodeList
-    -- printDebug "[migrateFromDirToDb] listIds" listIds
-    (NodeStory nls) <- NSF.getRepoReadConfig listIds
-    -- printDebug "[migrateFromDirToDb] nls" nls
-    _ <- mapM (\(nId, a) -> do
-                  n <- liftBase $ nodeExists c nId
-                  case n of
-                    False -> pure ()
-                    True  -> liftBase $ upsertNodeStories c nId a
-              ) $ Map.toList nls
-    --_ <- nodeStoryIncs (Just $ NodeStory nls) listIds
-    pure ()
+-- migrateFromDirToDb :: (HasNodeStory env err m) -- , HasNodeStory env err m)
+--                    => m ()
+-- migrateFromDirToDb = do
+--   pool <- view connPool
+--   withResource pool $ \c -> do
+--     listIds <- liftBase $ getNodesIdWithType c NodeList
+--     -- printDebug "[migrateFromDirToDb] listIds" listIds
+--     (NodeStory nls) <- NSF.getRepoReadConfig listIds
+--     -- printDebug "[migrateFromDirToDb] nls" nls
+--     _ <- mapM (\(nId, a) -> do
+--                   n <- liftBase $ nodeExists c nId
+--                   case n of
+--                     False -> pure ()
+--                     True  -> liftBase $ upsertNodeStories c nId a
+--               ) $ Map.toList nls
+--     --_ <- nodeStoryIncs (Just $ NodeStory nls) listIds
+--     pure ()

src/Gargantext/API/Ngrams/Types.hs

@@ -147,7 +147,9 @@ makeLenses ''RootParent
 data NgramsRepoElement = NgramsRepoElement
   { _nre_size        :: !Int
   , _nre_list        :: !ListType
+  -- root is the top-most parent of ngrams
   , _nre_root        :: !(Maybe NgramsTerm)
+  -- parent is the direct parent of this ngram
   , _nre_parent      :: !(Maybe NgramsTerm)
   , _nre_children    :: !(MSet NgramsTerm)
   }

src/Gargantext/Core/NodeStory.hs

@@ -52,8 +52,6 @@ module Gargantext.Core.NodeStory
   , hasNodeStory
   , HasNodeStoryVar
   , hasNodeStoryVar
-  , HasNodeStorySaver
-  , hasNodeStorySaver
   , HasNodeStoryImmediateSaver
   , hasNodeStoryImmediateSaver
   , HasNodeArchiveStoryImmediateSaver
@@ -61,11 +59,11 @@ module Gargantext.Core.NodeStory
   , NodeStory(..)
   , NgramsStatePatch'
   , NodeListStory
+  , ArchiveList
   , initNodeListStoryMock
   , NodeStoryEnv(..)
   , initNodeStory
   , nse_getter
-  , nse_saver
   , nse_saver_immediate
   , nse_archive_saver_immediate
   , nse_var
@@ -73,6 +71,8 @@ module Gargantext.Core.NodeStory
   , getNodesArchiveHistory
   , Archive(..)
   , initArchive
+  , archiveAdvance
+  , unionArchives
   , a_history
   , a_state
   , a_version
@@ -82,7 +82,7 @@ module Gargantext.Core.NodeStory
   , runPGSAdvisoryUnlock
   , runPGSAdvisoryXactLock
   , getNodesIdWithType
-  , readNodeStoryEnv
+  , fromDBNodeStoryEnv
   , upsertNodeStories
   , getNodeStory
   , nodeStoriesQuery
@@ -93,9 +93,8 @@ module Gargantext.Core.NodeStory
 where
 
 import Codec.Serialise.Class
-import Control.Debounce (mkDebounce, defaultDebounceSettings, debounceFreq, debounceAction)
 import Control.Exception (throw)
-import Control.Lens (makeLenses, Getter, (^.), (.~), (%~), _Just, at, view)
+import Control.Lens (makeLenses, Getter, (^.), (.~), (%~), non, _Just, at, view)
 import Control.Monad.Except
 import Control.Monad.Reader
 import Data.Aeson hiding ((.=), decode)
@@ -112,7 +111,9 @@ import Data.Text qualified as Text
 import Database.PostgreSQL.Simple qualified as PGS
 import Database.PostgreSQL.Simple.FromField (FromField(fromField), fromJSONField)
 import Database.PostgreSQL.Simple.SqlQQ (sql)
+import Database.PostgreSQL.Simple.ToField qualified as PGS
 import Database.PostgreSQL.Simple.Types (Values(..), QualifiedIdentifier(..))
+import GHC.Conc (TVar, newTVar, readTVar, writeTVar)
 import Gargantext.API.Ngrams.Types
 import Gargantext.Core.Types (ListId, NodeId(..), NodeType)
 import Gargantext.Core.Utils.Prefix (unPrefix)
@@ -121,17 +122,15 @@ import Gargantext.Database.Prelude (DbCmd', HasConnectionPool(..))
 import Gargantext.Database.Query.Table.Ngrams qualified as TableNgrams
 import Gargantext.Database.Query.Table.Node.Error (HasNodeError())
 import Gargantext.Database.Schema.Ngrams (NgramsType)
-import Gargantext.Prelude
+import Gargantext.Prelude hiding (to)
 import Opaleye (DefaultFromField(..), SqlJsonb, fromPGSFromField)
-import qualified Database.PostgreSQL.Simple.ToField     as PGS
 
 ------------------------------------------------------------------------
 data NodeStoryEnv = NodeStoryEnv
-  { _nse_var    :: !(MVar NodeListStory)
-  , _nse_saver  :: !(IO ())
+  { _nse_var    :: !(TVar NodeListStory)
   , _nse_saver_immediate :: !(IO ())
   , _nse_archive_saver_immediate :: !(NodeListStory -> IO NodeListStory)
-  , _nse_getter :: !([NodeId] -> IO (MVar NodeListStory))
+  , _nse_getter :: !([NodeId] -> IO (TVar NodeListStory))
   --, _nse_cleaner :: !(IO ()) -- every 12 hours: cleans the repos of unused NodeStories
   -- , _nse_lock  :: !FileLock -- TODO (it depends on the option: if with database or file only)
   }
@@ -144,15 +143,12 @@ type HasNodeStory env err m = ( DbCmd' env err m
                               , HasNodeError err
                               )
 
-class (HasNodeStoryVar env, HasNodeStorySaver env)
+class (HasNodeStoryVar env, HasNodeStoryImmediateSaver env)
   => HasNodeStoryEnv env where
     hasNodeStory :: Getter env NodeStoryEnv
 
 class HasNodeStoryVar env where
-  hasNodeStoryVar :: Getter env ([NodeId] -> IO (MVar NodeListStory))
-
-class HasNodeStorySaver env where
-  hasNodeStorySaver :: Getter env (IO ())
+  hasNodeStoryVar :: Getter env ([NodeId] -> IO (TVar NodeListStory))
 
 class HasNodeStoryImmediateSaver env where
   hasNodeStoryImmediateSaver :: Getter env (IO ())
@@ -167,7 +163,7 @@ class HasNodeArchiveStoryImmediateSaver env where
   is implemented already
 -}
 newtype NodeStory s p = NodeStory { _unNodeStory :: Map NodeId (Archive s p) }
-  deriving (Generic, Show)
+  deriving (Generic, Show, Eq)
 
 instance (FromJSON s, FromJSON p) => FromJSON (NodeStory s p)
 instance (ToJSON s, ToJSON p) => ToJSON (NodeStory s p)
@@ -187,13 +183,14 @@ data Archive s p = Archive
     -- structure holds only recent history, the one that will be
     -- inserted to the DB.
   }
-  deriving (Generic, Show)
+  deriving (Generic, Show, Eq)
 
 instance (Serialise s, Serialise p) => Serialise (Archive s p)
 
 
 type NodeListStory     = NodeStory NgramsState' NgramsStatePatch'
 
+-- NOTE: 'type NgramsTableMap = Map NgramsTerm NgramsRepoElement'
 type NgramsState'      = Map       TableNgrams.NgramsType NgramsTableMap
 type NgramsStatePatch' = PatchMap  TableNgrams.NgramsType NgramsTablePatch
 instance Serialise NgramsStatePatch'
@@ -211,29 +208,47 @@ instance DefaultFromField SqlJsonb (Archive NgramsState' NgramsStatePatch')
 combineState :: NgramsState' -> NgramsState' -> NgramsState'
 combineState = Map.unionWith (<>)
 
-instance (Semigroup s, Semigroup p) => Semigroup (Archive s p) where
-  (<>) (Archive { _a_history = p }) (Archive { _a_version = v'
-                                             , _a_state = s'
-                                             , _a_history = p' }) =
-    Archive { _a_version = v'
-            , _a_state = s'
-            , _a_history = p' <> p }
-instance (Monoid s, Semigroup p) => Monoid (Archive s p) where
-  mempty = Archive { _a_version = 0
-                   , _a_state = mempty
-                   , _a_history = [] }
+-- This is not a typical Semigroup instance. The state is not
+-- appended, instead it is replaced with the second entry. This is
+-- because state changes with each version. We have to take into
+-- account the removal of terms as well.
+-- instance (Semigroup s, Semigroup p) => Semigroup (Archive s p) where
+--   (<>) (Archive { _a_history = p }) (Archive { _a_version = v'
+--                                              , _a_state = s'
+--                                              , _a_history = p' }) =
+--     Archive { _a_version = v'
+--             , _a_state = s'
+--             , _a_history = p' <> p }
+-- instance (Monoid s, Semigroup p) => Monoid (Archive s p) where
+--   mempty = Archive { _a_version = 0
+--                    , _a_state = mempty
+--                    , _a_history = [] }
 instance (FromJSON s, FromJSON p) => FromJSON (Archive s p) where
   parseJSON = genericParseJSON $ unPrefix "_a_"
 instance (ToJSON s, ToJSON p) => ToJSON (Archive s p) where
   toJSON     = genericToJSON     $ unPrefix "_a_"
   toEncoding = genericToEncoding $ unPrefix "_a_"
 
+-- | This is the normal way to update archive state, bumping the
+-- version and history. Resulting state is taken directly from new
+-- archive, omitting old archive completely.
+archiveAdvance :: (Semigroup s, Semigroup p) => Archive s p -> Archive s p -> Archive s p
+archiveAdvance aOld aNew = aNew { _a_history = _a_history aNew <> _a_history aOld }
+
+-- | This is to merge archive states.
+unionArchives :: (Semigroup s, Semigroup p) => Archive s p -> Archive s p -> Archive s p
+unionArchives aOld aNew = aNew { _a_state = _a_state aOld <> _a_state aNew
+                               , _a_history = _a_history aNew <> _a_history aOld }
+
+
 ------------------------------------------------------------------------
 initNodeStory :: (Monoid s, Semigroup p) => NodeId -> NodeStory s p
 initNodeStory ni = NodeStory $ Map.singleton ni initArchive
 
 initArchive :: (Monoid s, Semigroup p) => Archive s p
-initArchive = mempty
+initArchive = Archive { _a_version = 0
+                      , _a_state = mempty
+                      , _a_history = [] }
 
 initNodeListStoryMock :: NodeListStory
 initNodeListStoryMock = NodeStory $ Map.singleton nodeListId archive
@@ -300,6 +315,16 @@ runPGSExecuteMany c qs a = catch (PGS.executeMany c qs a) printError
       _ <- panic $ Text.pack $ show e
       throw (SomeException e)
 
+runPGSReturning :: (PGS.ToRow q, PGS.FromRow r)
+                => PGS.Connection -> PGS.Query -> [q] -> IO [r]
+runPGSReturning c qs a = catch (PGS.returning c qs a) printError
+  where
+    printError (SomeException e) = do
+      --q' <- PGS.formatQuery c qs a
+      _ <- panic $ Text.pack $ show e
+      throw (SomeException e)
+
+
 runPGSQuery :: (PGS.FromRow r, PGS.ToRow q)
             => PGS.Connection -> PGS.Query -> q -> IO [r]
 runPGSQuery c q a = catch (PGS.query c q a) printError
@@ -370,9 +395,6 @@ getNodesArchiveHistory c nodesId = do
                     ORDER BY (version, node_story_archive_history.id) DESC
             |]
 
-ngramsIdQuery :: PGS.Query
-ngramsIdQuery = [sql| SELECT id FROM ngrams WHERE terms = ? |]
-
 
 insertNodeArchiveHistory :: PGS.Connection -> NodeId -> Version -> [NgramsStatePatch'] -> IO ()
 insertNodeArchiveHistory _ _ _ [] = pure ()
@@ -381,22 +403,23 @@ insertNodeArchiveHistory c nodeId version (h:hs) = do
                            (\(term, p) ->
                               (nodeId, nType, term, p)) <$> PM.toList patch) <$> PM.toList h :: [(NodeId, TableNgrams.NgramsType, NgramsTerm, NgramsPatch)]
   tuplesM <- mapM (\(nId, nType, term, patch) -> do
-                      ngrams <- runPGSQuery c ngramsIdQuery (PGS.Only term)
-                      pure $ (\(PGS.Only termId) -> (nId, nType, termId, term, patch)) <$> (headMay ngrams)
-                      ) tuples :: IO [Maybe (NodeId, TableNgrams.NgramsType, Int, NgramsTerm, NgramsPatch)]
-  _ <- runPGSExecuteMany c query $ ((\(nId, nType, termId, _term, patch) -> (nId, nType, termId, patch, version)) <$> catMaybes tuplesM)
+                      [PGS.Only ngramsId] <- runPGSReturning c qInsert [PGS.Only term] :: IO [PGS.Only Int]
+                      pure (nId, nType, ngramsId, term, patch)
+                  ) tuples :: IO [(NodeId, TableNgrams.NgramsType, Int, NgramsTerm, NgramsPatch)]
+  _ <- runPGSExecuteMany c query $ ((\(nId, nType, termId, _term, patch) -> (nId, nType, termId, patch, version)) <$> tuplesM)
   _ <- insertNodeArchiveHistory c nodeId version hs
   pure ()
   where
+    qInsert :: PGS.Query
+    qInsert = [sql|INSERT INTO ngrams (terms) VALUES (?)
+                  ON CONFLICT (terms) DO UPDATE SET terms = excluded.terms
+                  RETURNING id|]
+
     -- https://stackoverflow.com/questions/39224438/postgresql-insert-if-foreign-key-exists
     query :: PGS.Query
     query = [sql| INSERT INTO node_story_archive_history(node_id, ngrams_type_id, ngrams_id, patch, version)
-                SELECT node_id, ngrams_type_id, ngrams_id, patch::jsonb, version FROM (
-                  VALUES (?, ?, ?, ?, ?)
-                ) AS i(node_id, ngrams_type_id, ngrams_id, patch, version)
-                WHERE EXISTS (
-                  SELECT * FROM nodes where nodes.id = node_id
-                )|]
+                VALUES (?, ?, ?, ?, ?)
+                |]
 
 getNodeStory :: PGS.Connection -> NodeId -> IO NodeListStory
 getNodeStory c nId = do
@@ -422,7 +445,7 @@ getNodeStory c nId = do
     pure ()
 -}
 
-  pure $ NodeStory $ Map.singleton nId $ foldl combine mempty dbData
+  pure $ NodeStory $ Map.singleton nId $ foldl combine initArchive dbData
   where
     -- NOTE (<>) for Archive doesn't concatenate states, so we have to use `combine`
     combine a1 a2 = a1 & a_state %~ combineState (a2 ^. a_state)
@@ -432,7 +455,8 @@ nodeStoriesQuery :: PGS.Query
 nodeStoriesQuery = [sql| SELECT version, ngrams_type_id, terms, ngrams_repo_element
                            FROM node_stories
                            JOIN ngrams ON ngrams.id = ngrams_id
-                           WHERE node_id = ? |]
+                           WHERE node_id = ?
+                           |]
 
 type ArchiveStateList = [(TableNgrams.NgramsType, NgramsTerm, NgramsRepoElement)]
 type ArchiveStateSet = Set.Set (TableNgrams.NgramsType, NgramsTerm)
@@ -455,43 +479,32 @@ archiveStateListFilterFromSet set =
 -- | This function inserts whole new node story and archive for given node_id.
 insertNodeStory :: PGS.Connection -> NodeId -> ArchiveList -> IO ()
 insertNodeStory c nId a = do
-  mapM_ (\(ngramsType, ngrams, ngramsRepoElement) -> do
-            termIdM <- runPGSQuery c ngramsIdQuery (PGS.Only ngrams) :: IO [PGS.Only Int64]
-            case headMay termIdM of
-              Nothing -> pure 0
-              Just (PGS.Only termId) -> runPGSExecuteMany c query [(PGS.toField nId, a ^. a_version, ngramsType, termId, ngramsRepoElement)]) $ archiveStateToList $ a ^. a_state
-             -- runInsert c $ insert ngramsType ngrams ngramsRepoElement) $ archiveStateToList _a_state
-
-  where
-    -- https://stackoverflow.com/questions/39224438/postgresql-insert-if-foreign-key-exists
-    query :: PGS.Query
-    query = [sql| INSERT INTO node_stories(node_id, ngrams_type_id, ngrams_id, ngrams_repo_element)
-                SELECT * FROM (
-                  VALUES (?, ?, ?, ?)
-                ) AS i(node_id, ngrams_type_id, ngrams_id, ngrams_repo_element)
-                WHERE EXISTS (
-                  SELECT * FROM nodes where nodes.id = node_id
-                )|]
-    -- insert ngramsType ngrams ngramsRepoElement =
-    --   Insert { iTable      = nodeStoryTable
-    --          , iRows       = [NodeStoryDB { node_id = sqlInt4 nId
-    --                                       , version = sqlInt4 _a_version
-    --                                       , ngrams_type_id = sqlInt4 $ TableNgrams.ngramsTypeId ngramsType
-    --                                       , ngrams_id = ...
-    --                                       , ngrams_repo_element = sqlValueJSONB ngramsRepoElement
-    --                                       }]
-    --          , iReturning  = rCount
-    --          , iOnConflict = Nothing }
+  insertArchiveStateList c nId (a ^. a_version) (archiveStateToList $ a ^. a_state)
 
 insertArchiveStateList :: PGS.Connection -> NodeId -> Version -> ArchiveStateList -> IO ()
 insertArchiveStateList c nodeId version as = do
-  mapM_ (\(nt, n, nre) -> runPGSExecute c query (nodeId, version, nt, nre, n)) as
+  mapM_ performInsert as
   where
+    performInsert (ngramsType, ngrams, ngramsRepoElement) = do
+      [PGS.Only ngramsId] <- tryInsertTerms ngrams
+      _ <- case ngramsRepoElement ^. nre_root of
+        Nothing -> pure []
+        Just r -> tryInsertTerms r
+      mapM_ tryInsertTerms $ ngramsRepoElement ^. nre_children
+      runPGSExecute c query (nodeId, ngramsId, version, ngramsType, ngramsRepoElement)
+    
+    tryInsertTerms :: NgramsTerm -> IO [PGS.Only Int]
+    tryInsertTerms t = runPGSReturning c qInsert [PGS.Only t]
+    
+    qInsert :: PGS.Query
+    qInsert = [sql|INSERT INTO ngrams (terms) VALUES (?)
+                  ON CONFLICT (terms) DO UPDATE SET terms = excluded.terms
+                  RETURNING id|]
+    
     query :: PGS.Query
-    query = [sql| WITH s as (SELECT ? as sid, ? sversion, ? sngrams_type_id, ngrams.id as sngrams_id, ?::jsonb as srepo FROM ngrams WHERE terms = ?)
-                  INSERT INTO node_stories(node_id, version, ngrams_type_id, ngrams_id, ngrams_repo_element)
-                  SELECT s.sid, s.sversion, s.sngrams_type_id, s.sngrams_id, s.srepo from s s join nodes n on s.sid = n.id
-            |]
+    query = [sql|INSERT INTO node_stories(node_id, ngrams_id, version, ngrams_type_id, ngrams_repo_element)
+                VALUES (?, ?, ?, ?, ? :: jsonb)
+                |]
 
 deleteArchiveStateList :: PGS.Connection -> NodeId -> ArchiveStateList -> IO ()
 deleteArchiveStateList c nodeId as = do
@@ -499,19 +512,21 @@ deleteArchiveStateList c nodeId as = do
   where
     query :: PGS.Query
     query = [sql| DELETE FROM node_stories
-                    WHERE node_id = ? AND ngrams_type_id = ? AND ngrams_id IN (SELECT id FROM ngrams WHERE terms = ?) |]
+                WHERE node_id = ? AND ngrams_type_id = ?
+                  AND ngrams_id IN (SELECT id FROM ngrams WHERE terms = ?)
+                  |]
 
 updateArchiveStateList :: PGS.Connection -> NodeId -> Version -> ArchiveStateList -> IO ()
 updateArchiveStateList c nodeId version as = do
   let params = (\(nt, n, nre) -> (nre, version, nodeId, nt, n)) <$> as
-  --q <- PGS.format c query params
-  --printDebug "[updateArchiveList] query" q
   mapM_ (runPGSExecute c query) params
   where
     query :: PGS.Query
     query = [sql| UPDATE node_stories
-                    SET ngrams_repo_element = ?, version = ?
-                    WHERE node_id = ? AND ngrams_type_id = ? AND ngrams_id IN (SELECT id FROM ngrams WHERE terms = ?) |]
+                SET ngrams_repo_element = ?, version = ?
+                WHERE node_id = ? AND ngrams_type_id = ?
+                  AND ngrams_id IN (SELECT id FROM ngrams WHERE terms = ?)
+                  |]
 
 -- | This function updates the node story and archive for given node_id.
 updateNodeStory :: PGS.Connection -> NodeId -> ArchiveList -> ArchiveList -> IO ()
@@ -542,7 +557,7 @@ updateNodeStory c nodeId currentArchive newArchive = do
   -- printDebug "[updateNodeStory] updates" $ Text.unlines $ (Text.pack . show) <$> updates
 
   -- 2. Perform inserts/deletes/updates
-  --printDebug "[updateNodeStory] applying insert" ()
+  -- printDebug "[updateNodeStory] applying inserts" inserts
   insertArchiveStateList c nodeId (newArchive ^. a_version) inserts
   --printDebug "[updateNodeStory] insert applied" ()
     --TODO Use currentArchive ^. a_version in delete and report error
@@ -587,12 +602,12 @@ upsertNodeStories c nodeId newArchive = do
         pure ()
 
     -- 3. Now we need to set versions of all node state to be the same
-    fixNodeStoryVersion c nodeId newArchive
+    updateNodeStoryVersion c nodeId newArchive
 
     -- printDebug "[upsertNodeStories] STOP nId" nId
 
-fixNodeStoryVersion :: PGS.Connection -> NodeId -> ArchiveList -> IO ()
-fixNodeStoryVersion c nodeId newArchive = do
+updateNodeStoryVersion :: PGS.Connection -> NodeId -> ArchiveList -> IO ()
+updateNodeStoryVersion c nodeId newArchive = do
   let ngramsTypes = Map.keys $ newArchive ^. a_state
   mapM_ (\nt -> runPGSExecute c query (newArchive ^. a_version, nodeId, nt)) ngramsTypes
   where
@@ -607,21 +622,20 @@ writeNodeStories c (NodeStory nls) = do
   mapM_ (\(nId, a) -> upsertNodeStories c nId a) $ Map.toList nls
 
 -- | Returns a `NodeListStory`, updating the given one for given `NodeId`
-nodeStoryInc :: PGS.Connection -> Maybe NodeListStory -> NodeId -> IO NodeListStory
-nodeStoryInc c Nothing nId = getNodeStory c nId
-nodeStoryInc c (Just ns@(NodeStory nls)) nId = do
+nodeStoryInc :: PGS.Connection -> NodeListStory -> NodeId -> IO NodeListStory
+nodeStoryInc c ns@(NodeStory nls) nId = do
   case Map.lookup nId nls of
     Nothing -> do
-      (NodeStory nls') <- getNodeStory c nId
-      pure $ NodeStory $ Map.union nls nls'
+      NodeStory nls' <- getNodeStory c nId
+      pure $ NodeStory $ Map.unionWith archiveAdvance nls' nls
     Just _ -> pure ns
 
-nodeStoryIncs :: PGS.Connection -> Maybe NodeListStory -> [NodeId] -> IO NodeListStory
-nodeStoryIncs _ Nothing [] = pure $ NodeStory $ Map.empty
-nodeStoryIncs c Nothing (ni:ns) = do
+nodeStoryIncrementalRead :: PGS.Connection -> Maybe NodeListStory -> [NodeId] -> IO NodeListStory
+nodeStoryIncrementalRead _ Nothing [] = pure $ NodeStory $ Map.empty
+nodeStoryIncrementalRead c Nothing (ni:ns) = do
   m <- getNodeStory c ni
-  nodeStoryIncs c (Just m) ns
-nodeStoryIncs c (Just nls) ns = foldM (\m n -> nodeStoryInc c (Just m) n) nls ns
+  nodeStoryIncrementalRead c (Just m) ns
+nodeStoryIncrementalRead c (Just nls) ns = foldM (\m n -> nodeStoryInc c m n) nls ns
 
 -- nodeStoryDec :: Pool PGS.Connection -> NodeListStory -> NodeId -> IO NodeListStory
 -- nodeStoryDec pool ns@(NodeStory nls) ni = do
@@ -635,69 +649,104 @@ nodeStoryIncs c (Just nls) ns = foldM (\m n -> nodeStoryInc c (Just m) n) nls ns
 --       pure $ NodeStory ns'
 ------------------------------------
 
-readNodeStoryEnv :: Pool PGS.Connection -> IO NodeStoryEnv
-readNodeStoryEnv pool = do
-  mvar <- nodeStoryVar pool Nothing []
-  let saver_immediate = modifyMVar_ mvar $ \ns -> do
+-- | NgramsRepoElement contains, in particular, `nre_list`,
+-- `nre_parent` and `nre_children`. We want to make sure that all
+-- children entries (i.e. ones that have `nre_parent`) have the same
+-- `list` as their parent entry.
+fixChildrenTermTypes :: NodeListStory -> NodeListStory
+fixChildrenTermTypes (NodeStory nls) =
+  NodeStory $ Map.fromList [ (nId, a & a_state %~ fixChildrenInNgramsStatePatch)
+                           | (nId, a) <- Map.toList nls ]
+
+fixChildrenInNgramsStatePatch :: NgramsState' -> NgramsState'
+fixChildrenInNgramsStatePatch ns = archiveStateFromList $ nsParents <> nsChildrenFixed
+  where
+    nls = archiveStateToList ns
+    
+    nsParents = filter (\(_nt, _t, nre) -> isNothing $ nre ^. nre_parent) nls
+    parentNtMap = Map.fromList $ (\(_nt, t, nre) -> (t, nre ^. nre_list)) <$> nsParents
+    
+    nsChildren = filter (\(_nt, _t, nre) -> isJust $ nre ^. nre_parent) nls
+    nsChildrenFixed = (\(nt, t, nre) ->
+                         ( nt
+                         , t
+                         , nre & nre_list %~
+                            (\l -> parentNtMap ^. at (nre ^. nre_parent . _Just) . non l)
+                         )
+                      ) <$> nsChildren
+
+-- | Sometimes, when we upload a new list, a child can be left without
+-- a parent. Find such ngrams and set their 'root' and 'parent' to
+-- 'Nothing'.
+fixChildrenWithNoParent :: NodeListStory -> NodeListStory
+fixChildrenWithNoParent (NodeStory nls) =
+  NodeStory $ Map.fromList [ (nId, a & a_state %~ fixChildrenWithNoParentStatePatch)
+                           | (nId, a) <- Map.toList nls ]
+
+fixChildrenWithNoParentStatePatch :: NgramsState' -> NgramsState'
+fixChildrenWithNoParentStatePatch ns = archiveStateFromList $ nsParents <> nsChildrenFixed
+  where
+    nls = archiveStateToList ns
+    
+    nsParents = filter (\(_nt, _t, nre) -> isNothing $ nre ^. nre_parent) nls
+    parentNtMap = Map.fromList $ (\(_nt, t, nre) -> (t, nre ^. nre_children & mSetToSet)) <$> nsParents
+    
+    nsChildren = filter (\(_nt, _t, nre) -> isJust $ nre ^. nre_parent) nls
+    nsChildrenFixFunc (nt, t, nre) =
+      ( nt
+      , t
+      , nre { _nre_root = root
+            , _nre_parent = parent }
+      )
+      where
+        (root, parent) = case parentNtMap ^. at (nre ^. nre_parent . _Just) . _Just . at t of
+          Just _ -> (nre ^. nre_root, nre ^. nre_parent)
+          Nothing -> (Nothing, Nothing)
+
+    nsChildrenFixed = nsChildrenFixFunc <$> nsChildren
+
+------------------------------------
+
+fromDBNodeStoryEnv :: Pool PGS.Connection -> IO NodeStoryEnv
+fromDBNodeStoryEnv pool = do
+  tvar <- nodeStoryVar pool Nothing []
+  let saver_immediate = do
+        ns <- atomically $
+              readTVar tvar
+              -- fix children so their 'list' is the same as their parents'
+              >>= pure . fixChildrenTermTypes
+              -- fix children that don't have a parent anymore
+              >>= pure . fixChildrenWithNoParent
+              >>= writeTVar tvar
+              >> readTVar tvar
         withResource pool $ \c -> do
           --printDebug "[mkNodeStorySaver] will call writeNodeStories, ns" ns
           writeNodeStories c ns
-          pure ns
   let archive_saver_immediate ns@(NodeStory nls) = withResource pool $ \c -> do
         mapM_ (\(nId, a) -> do
                   insertNodeArchiveHistory c nId (a ^. a_version) $ reverse $ a ^. a_history
               ) $ Map.toList nls
         pure $ clearHistory ns
-  saver <- mkNodeStorySaver saver_immediate
-  -- let saver = modifyMVar_ mvar $ \mv -> do
-  --       writeNodeStories pool mv
-  --       printDebug "[readNodeStoryEnv] saver" mv
-  --       let mv' = clearHistory mv
-  --       printDebug "[readNodeStoryEnv] saver, cleared" mv'
-  --       pure mv'
-  pure $ NodeStoryEnv { _nse_var    = mvar
-                      , _nse_saver  = saver
+        
+  pure $ NodeStoryEnv { _nse_var    = tvar
                       , _nse_saver_immediate = saver_immediate
                       , _nse_archive_saver_immediate = archive_saver_immediate
-                      , _nse_getter = nodeStoryVar pool (Just mvar)
+                      , _nse_getter = nodeStoryVar pool (Just tvar)
                       }
 
 nodeStoryVar :: Pool PGS.Connection
-             -> Maybe (MVar NodeListStory)
+             -> Maybe (TVar NodeListStory)
              -> [NodeId]
-             -> IO (MVar NodeListStory)
+             -> IO (TVar NodeListStory)
 nodeStoryVar pool Nothing nIds = do
-  state' <- withResource pool $ \c -> nodeStoryIncs c Nothing nIds
-  newMVar state'
-nodeStoryVar pool (Just mv) nIds = do
-  _ <- withResource pool
-      $ \c -> modifyMVar_ mv
-      $ \nsl -> nodeStoryIncs c (Just nsl) nIds
-  pure mv
-
--- Debounce is useful since it could delay the saving to some later
--- time, asynchronously and we keep operating on memory only.
--- mkNodeStorySaver :: Pool PGS.Connection -> MVar NodeListStory -> IO (IO ())
--- mkNodeStorySaver pool mvns = do
-mkNodeStorySaver :: IO () -> IO (IO ())
-mkNodeStorySaver saver = mkDebounce settings
-  where
-    settings = defaultDebounceSettings
-               { debounceAction = saver
-                   -- do
-                   --   -- NOTE: Lock MVar first, then use resource pool.
-                   --   -- Otherwise we could wait for MVar, while
-                   --   -- blocking the pool connection.
-                   --   modifyMVar_ mvns $ \ns -> do
-                   --     withResource pool $ \c -> do
-                   --       --printDebug "[mkNodeStorySaver] will call writeNodeStories, ns" ns
-                   --       writeNodeStories c ns
-                   --       pure $ clearHistory ns
-                     --withMVar mvns (\ns -> printDebug "[mkNodeStorySaver] debounce nodestory" ns)
-               , debounceFreq = 1*minute
-               }
-    minute = 60*sec
-    sec = 10^(6 :: Int)
+  state' <- withResource pool $ \c -> nodeStoryIncrementalRead c Nothing nIds
+  atomically $ newTVar state'
+nodeStoryVar pool (Just tv) nIds = do
+  nls <- atomically $ readTVar tv
+  nls' <- withResource pool
+      $ \c -> nodeStoryIncrementalRead c (Just nls) nIds
+  _ <- atomically $ writeTVar tv nls'
+  pure tv
 
 clearHistory :: NodeListStory -> NodeListStory
 clearHistory (NodeStory ns) = NodeStory $ ns & (traverse . a_history) .~ emptyHistory
@@ -711,20 +760,9 @@ currentVersion listId = do
   pure $ nls ^. unNodeStory . at listId . _Just . a_version
 
 
--- mkNodeStorySaver :: MVar NodeListStory -> Cmd err (Cmd err ())
--- mkNodeStorySaver mvns = mkDebounce settings
---   where
---     settings = defaultDebounceSettings
---                  { debounceAction = withMVar mvns (\ns -> writeNodeStories ns)
---                  , debounceFreq = 1 * minute
--- --                 , debounceEdge = trailingEdge -- Trigger on the trailing edge
---                  }
---     minute = 60 * second
---     second = 10^(6 :: Int)
-
-
 -----------------------------------------
 
+-- | To be called from the REPL
 fixNodeStoryVersions :: (HasNodeStory env err m) => m ()
 fixNodeStoryVersions = do
   pool <- view connPool

src/Gargantext/Core/NodeStoryFile.hs → src/Gargantext/Core/NodeStoryFile.hs.old

@@ -22,7 +22,7 @@ import Control.Lens (view)
 import Data.ByteString.Lazy qualified as DBL
 import Data.List qualified as List
 import Data.Map.Strict qualified as Map
-import Gargantext.Core.NodeStory hiding (readNodeStoryEnv)
+import Gargantext.Core.NodeStory hiding (fromDBNodeStoryEnv)
 import Gargantext.Core.Types (ListId, NodeId(..))
 import Gargantext.Database.Prelude (hasConfig)
 import Gargantext.Database.Query.Table.Ngrams qualified as TableNgrams

src/Gargantext/Database/Action/Flow/List.hs

@@ -17,7 +17,6 @@ Portability : POSIX
 module Gargantext.Database.Action.Flow.List
     where
 
-import Control.Concurrent
 import Control.Lens ((^.), (+~), (%~), at, (.~), _Just)
 import Control.Monad.Reader
 import Data.List qualified as List
@@ -35,6 +34,7 @@ import Gargantext.Database.Query.Table.Ngrams qualified as TableNgrams
 import Gargantext.Database.Query.Table.NodeNgrams (NodeNgramsPoly(..), NodeNgramsW, listInsertDb,{- getCgramsId -})
 import Gargantext.Database.Schema.Ngrams (NgramsType(..))
 import Gargantext.Prelude hiding (toList)
+import GHC.Conc (readTVar, writeTVar)
 
 -- FLOW LIST
 -- 1. select specific terms of the corpus when compared with others langs
@@ -202,8 +202,10 @@ putListNgrams nodeId ngramsType nes = putListNgrams' nodeId ngramsType m
       -- If valid the rest would be atomic and no merge is required.
       -}
       var <- getNodeStoryVar [listId]
-      liftBase $ modifyMVar_ var $ \r -> do
-        pure $ r & unNodeStory . at listId . _Just . a_version +~ 1
-                 & unNodeStory . at listId . _Just . a_history %~ (p :)
-                 & unNodeStory . at listId . _Just . a_state . at ngramsType' .~ Just ns
+      liftBase $ atomically $ do
+        r <- readTVar var
+        writeTVar var $
+          r & unNodeStory . at listId . _Just . a_version +~ 1
+            & unNodeStory . at listId . _Just . a_history %~ (p :)
+            & unNodeStory . at listId . _Just . a_state . at ngramsType' .~ Just ns
       saveNodeStory

test/Test/API/Setup.hs

 {-# LANGUAGE BangPatterns #-}
+{-# LANGUAGE OverloadedStrings    #-}
 
 module Test.API.Setup where
 
@@ -21,6 +22,7 @@ import Gargantext.Database.Admin.Trigger.Init
 import Gargantext.Database.Admin.Types.Hyperdata
 import Gargantext.Database.Prelude
 import Gargantext.Database.Query.Table.Node (getOrMkList)
+-- import Gargantext.Prelude (printDebug)
 import Gargantext.Prelude.Config
 import Gargantext.System.Logging
 import Network.HTTP.Client.TLS (newTlsManager)
@@ -54,7 +56,7 @@ newTestEnv testEnv logger port = do
   dbParam        <- pure $ testEnvToPgConnectionInfo testEnv
   !pool          <- newPool dbParam
 
-  !nodeStory_env <- readNodeStoryEnv pool
+  !nodeStory_env <- fromDBNodeStoryEnv pool
   !scrapers_env  <- ServantAsync.newJobEnv ServantAsync.defaultSettings manager_env
 
   secret        <- Jobs.genSecret
@@ -101,6 +103,7 @@ setupEnvironment env = flip runReaderT env $ runTestMonad $ do
                                         (Left corpusMasterName)
                                         (Nothing :: Maybe HyperdataCorpus)
   masterListId <- getOrMkList masterCorpusId masterUserId
+  -- printDebug "[setupEnvironment] masterListId: " masterListId
   void $ initLastTriggers masterListId
 
 -- | Creates two users, Alice & Bob. Alice shouldn't be able to see

test/Test/Database/Operations.hs

 {-# LANGUAGE OverloadedStrings    #-}
+{-# LANGUAGE QuasiQuotes       #-}
 {-# LANGUAGE TupleSections        #-}
 {-# LANGUAGE TypeApplications     #-}
 {-# LANGUAGE UndecidableInstances #-}
@@ -6,13 +7,15 @@
 {-# OPTIONS_GHC -Wno-orphans      #-}
 
 module Test.Database.Operations (
-   tests
+     tests
+   , nodeStoryTests
   ) where
 
 import Control.Monad.Except
 import Control.Monad.Reader
 import Data.Text qualified as T
 import Database.PostgreSQL.Simple
+import Database.PostgreSQL.Simple.SqlQQ
 import Gargantext.API.Node.Corpus.Update
 import Gargantext.Core
 import Gargantext.Core.Types.Individu
@@ -20,12 +23,14 @@ import Gargantext.Database.Action.User
 import Gargantext.Database.Action.User.New
 import Gargantext.Database.Admin.Types.Hyperdata.Corpus
 import Gargantext.Database.Admin.Types.Node
+import Gargantext.Database.Prelude (runPGSQuery)
 import Gargantext.Database.Query.Table.Node
 import Gargantext.Database.Query.Tree.Root (getRootId)
 import Gargantext.Database.Schema.Node (NodePoly(..))
 import Gargantext.Prelude
 import Test.API.Setup (setupEnvironment)
 import Test.Database.Operations.DocumentSearch
+import Test.Database.Operations.NodeStory
 import Test.Database.Setup (withTestDB)
 import Test.Database.Types
 import Test.Hspec
@@ -63,7 +68,26 @@ tests = sequential $ aroundAll withTestDB $ describe "Database" $ do
       it "Can perform search by author in documents" corpusSearch02
       it "Can perform more complex searches using the boolean API" corpusSearch03
       it "Can correctly count doc score" corpusScore01
-
+        
+nodeStoryTests :: Spec
+nodeStoryTests = sequential $
+  -- run 'withTestDB' before _every_ test item
+  around setupDBAndCorpus $
+  describe "Database - node story" $ do
+    describe "Node story" $ do
+      it "[#281] Can create a list" createListTest
+      it "[#281] Can query node story" queryNodeStoryTest
+      it "[#218] Can add new terms to node story" insertNewTermsToNodeStoryTest
+      it "[#281] Can add new terms (with children) to node story" insertNewTermsWithChildrenToNodeStoryTest
+      it "[#281] Fixes child terms to match parents' terms" insertNodeStoryChildrenWithDifferentNgramsTypeThanParentTest
+      it "[#281] Can update node story when 'setListNgrams' is called" setListNgramsUpdatesNodeStoryTest
+      it "[#281] When 'setListNgrams' is called, childrens' parents are updated" setListNgramsUpdatesNodeStoryWithChildrenTest
+      it "[#281] Correctly commits patches to node story - simple" commitPatchSimpleTest
+  where
+    setupDBAndCorpus testsFunc = withTestDB $ \env -> do
+      setupEnvironment env
+      testsFunc env
+  
 data ExpectedActual a =
     Expected a
   | Actual a
@@ -126,8 +150,10 @@ corpusReadWrite01 env = do
   flip runReaderT env $ runTestMonad $ do
     uid      <- getUserId (UserName "alfredo")
     parentId <- getRootId (UserName "alfredo")
-    [corpusId] <- mk (Just "Test_Corpus") (Nothing :: Maybe HyperdataCorpus) parentId uid
-    liftIO $ corpusId `shouldBe` UnsafeMkNodeId 416
+    let corpusName = "Test_Corpus"
+    [corpusId] <- mk (Just corpusName) (Nothing :: Maybe HyperdataCorpus) parentId uid
+    [Only corpusId'] <- runPGSQuery [sql|SELECT id FROM nodes WHERE name = ?|] (Only corpusName)
+    liftIO $ corpusId `shouldBe` UnsafeMkNodeId corpusId'
     -- Retrieve the corpus by Id
     [corpus] <- getCorporaWithParentId parentId
     liftIO $ corpusId `shouldBe` (_node_id corpus)

test/Test/Database/Operations/NodeStory.hs

+{-|
+Module      : Test.Database.Operations.NodeStory
+Description : GarganText database tests
+Copyright   : (c) CNRS, 2017-Present
+License     : AGPL + CECILL v3
+Maintainer  : team@gargantext.org
+Stability   : experimental
+Portability : POSIX
+-}
+
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE QuasiQuotes       #-}
+
+module Test.Database.Operations.NodeStory where
+
+import Control.Lens ((^.), (.~), _2)
+import Control.Monad.Reader
+import Data.Map.Strict qualified as Map
+import Data.Map.Strict.Patch qualified as PM
+import Data.Set qualified as Set
+import Database.PostgreSQL.Simple qualified as PSQL
+import Database.PostgreSQL.Simple.SqlQQ
+import Gargantext.API.Ngrams (commitStatePatch, mSetFromList, setListNgrams, saveNodeStoryImmediate)
+import Gargantext.API.Ngrams.Types (MSet(..), NgramsPatch(..), NgramsRepoElement(..), NgramsTerm(..), Versioned(..), mkNgramsTablePatch, nre_children, nre_list, nre_parent, nre_root)
+import Gargantext.API.Ngrams.Tools (getNodeStoryVar)
+import Gargantext.Core.NodeStory hiding (runPGSQuery)
+import Gargantext.Core.Types.Individu
+import Gargantext.Core.Types (ListType(..), ListId, NodeId, UserId)
+import Gargantext.Database.Action.User (getUserId)
+import Gargantext.Database.Admin.Config (userMaster)
+import Gargantext.Database.Prelude (runPGSQuery)
+import Gargantext.Database.Query.Table.Ngrams (selectNgramsId)
+import Gargantext.Database.Query.Table.Node
+import Gargantext.Database.Query.Tree.Root
+import Gargantext.Database.Schema.Ngrams (NgramsType(..))
+import Gargantext.Database.Schema.Node (NodePoly(..))
+import Gargantext.Prelude
+import GHC.Conc (TVar, readTVar)
+import Test.Database.Types
+import Test.Hspec.Expectations
+import Test.Tasty.HUnit
+
+
+commonInitialization :: TestMonad ( UserId, NodeId, ListId, TVar NodeListStory )
+commonInitialization = do
+  let user = UserName userMaster
+  parentId <- getRootId user
+  [corpus] <- getCorporaWithParentId parentId
+  let corpusId = _node_id corpus
+
+  userId <- getUserId user
+
+  listId <- getOrMkList corpusId userId
+
+  v <- getNodeStoryVar [listId]
+
+  pure $ (userId, corpusId, listId, v)
+
+
+initArchiveList :: ArchiveList
+initArchiveList = initArchive
+
+
+simpleTerm :: (NgramsTerm, NgramsRepoElement)
+simpleTerm = ( NgramsTerm "hello"
+             , NgramsRepoElement { _nre_size = 1
+                                 , _nre_list = MapTerm
+                                 , _nre_root = Nothing
+                                 , _nre_parent = Nothing
+                                 , _nre_children = MSet Map.empty } )
+
+simpleParentTerm' :: NgramsTerm
+simpleParentTerm' = fst simpleTerm
+simpleParentTerm :: (NgramsTerm, NgramsRepoElement)
+simpleParentTerm = ( simpleParentTerm'
+                   , simpleTerm ^. _2
+                     & nre_children .~ (mSetFromList [simpleChildTerm']) )
+
+simpleChildTerm' :: NgramsTerm
+simpleChildTerm' = NgramsTerm "world"
+simpleChildTerm :: (NgramsTerm, NgramsRepoElement)
+simpleChildTerm = ( simpleChildTerm'
+                  , simpleTerm ^. _2 
+                    & nre_parent .~ Just simpleParentTerm'
+                    & nre_root .~ Just simpleParentTerm' )
+
+
+-- tests start here
+
+createListTest :: TestEnv -> Assertion
+createListTest env = do
+  flip runReaderT env $ runTestMonad $ do
+    (userId, corpusId, listId, _v) <- commonInitialization
+
+    listId' <- getOrMkList corpusId userId
+    
+    liftIO $ listId `shouldBe` listId'
+
+
+queryNodeStoryTest :: TestEnv -> Assertion
+queryNodeStoryTest env = do
+  flip runReaderT env $ runTestMonad $ do
+    (_userId, _corpusId, listId, v) <- commonInitialization
+
+    saveNodeStoryImmediate
+    
+    liftIO $ do
+      ns <- atomically $ readTVar v
+      ns `shouldBe` (NodeStory $ Map.singleton listId initArchiveList)
+  
+
+insertNewTermsToNodeStoryTest :: TestEnv -> Assertion
+insertNewTermsToNodeStoryTest env = do
+  flip runReaderT env $ runTestMonad $ do
+    (_userId, _corpusId, listId, v) <- commonInitialization
+
+    let (terms, nre) = simpleTerm
+    let nls = Map.singleton terms nre
+    setListNgrams listId NgramsTerms nls
+    
+    liftIO $ do
+      ns <- atomically $ readTVar v
+      ns `shouldBe` (NodeStory $ Map.singleton listId
+                       (initArchiveList { _a_state = Map.singleton NgramsTerms nls }))
+    -- check that the ngrams are in the DB as well
+    ngramsMap <- selectNgramsId [unNgramsTerm terms]
+    liftIO $ (snd <$> Map.toList ngramsMap) `shouldBe` [unNgramsTerm terms]
+    
+    -- Finally, check that node stories are inserted correctly
+    dbTerms <- runPGSQuery [sql|
+                               SELECT terms
+                               FROM ngrams
+                               JOIN node_stories ON ngrams.id = ngrams_id
+                               WHERE node_id = ?
+                               |] (PSQL.Only listId)
+    liftIO $ dbTerms `shouldBe` [PSQL.Only $ unNgramsTerm terms]
+                           
+
+insertNewTermsWithChildrenToNodeStoryTest :: TestEnv -> Assertion
+insertNewTermsWithChildrenToNodeStoryTest env = do
+  flip runReaderT env $ runTestMonad $ do
+    (_userId, _corpusId, listId, v) <- commonInitialization
+
+    let (tParent, nreParent) = simpleParentTerm
+    let (tChild, nreChild) = simpleChildTerm
+    let terms = unNgramsTerm <$> [tParent, tChild]
+    
+    let nls = Map.fromList [(tParent, nreParent), (tChild, nreChild)]
+    setListNgrams listId NgramsTerms nls
+
+    liftIO $ do
+      ns <- atomically $ readTVar v
+      ns `shouldBe` (NodeStory $ Map.singleton listId 
+                      (initArchiveList { _a_state = Map.singleton NgramsTerms nls }))
+
+    -- `setListNgrams` calls saveNodeStory already so we should have
+    -- the terms in the DB by now
+    ngramsMap <- selectNgramsId terms
+    liftIO $ (snd <$> Map.toList ngramsMap) `shouldBe` terms
+    
+    dbTerms <- runPGSQuery [sql|
+                               SELECT terms
+                               FROM ngrams
+                               JOIN node_stories ON ngrams.id = ngrams_id
+                               WHERE node_id = ?
+                               |] (PSQL.Only listId)
+    liftIO $ (Set.fromList $ (\(PSQL.Only t) -> t) <$> dbTerms) `shouldBe` (Set.fromList terms)
+
+    -- let (Just (tParentId, _)) = head $ filter ((==) (unNgramsTerm tParent) . snd) $ Map.toList ngramsMap2
+    -- let (Just (tChildId, _)) = head $ filter ((==) (unNgramsTerm tChild) . snd) $ Map.toList ngramsMap2
+                           
+    -- [PSQL.Only tParentId'] <-
+    --   runPGSQuery [sql|SELECT parent_id FROM ngrams WHERE terms = ?|] (PSQL.Only tChild)
+
+    -- liftIO $ tParentId `shouldBe` tParentId'
+
+      
+insertNodeStoryChildrenWithDifferentNgramsTypeThanParentTest :: TestEnv -> Assertion
+insertNodeStoryChildrenWithDifferentNgramsTypeThanParentTest env = do
+  flip runReaderT env $ runTestMonad $ do
+    (_userId, _corpusId, listId, v) <- commonInitialization
+
+    let (tParent, nreParent) = simpleParentTerm
+    let (tChild, nreChildGoodType) = simpleChildTerm
+    let nreChildBrokenType = nreChildGoodType & nre_list .~ MapTerm
+    let terms = unNgramsTerm <$> [tParent, tChild]
+    
+    let nls = Map.fromList [(tParent, nreParent), (tChild, nreChildBrokenType)]
+    let nlsWithChildFixed = Map.fromList [(tParent, nreParent), (tChild, nreChildGoodType)]
+    
+    setListNgrams listId NgramsTerms nls
+
+    liftIO $ do
+      ns <- atomically $ readTVar v
+      ns `shouldBe` (NodeStory $ Map.singleton listId 
+                      (initArchiveList { _a_state = Map.singleton NgramsTerms nlsWithChildFixed }))
+
+    ngramsMap <- selectNgramsId terms
+    liftIO $ (snd <$> Map.toList ngramsMap) `shouldBe` terms
+    
+    dbTerms <- runPGSQuery [sql|
+                               SELECT terms
+                               FROM ngrams
+                               JOIN node_stories ON ngrams.id = ngrams_id
+                               WHERE node_id = ?
+                               |] (PSQL.Only listId)
+    liftIO $ (Set.fromList $ (\(PSQL.Only t) -> t) <$> dbTerms) `shouldBe` (Set.fromList terms)
+
+    let (Just (tChildId, _)) = head $ filter ((==) (unNgramsTerm tChild) . snd) $ Map.toList ngramsMap
+                           
+    [PSQL.Only childType] <- runPGSQuery [sql|SELECT ngrams_repo_element->>'list'
+                                             FROM node_stories
+                                             WHERE ngrams_id = ?|] (PSQL.Only tChildId)
+    liftIO $ childType `shouldBe` ("MapTerm" :: Text)
+ 
+setListNgramsUpdatesNodeStoryTest :: TestEnv -> Assertion
+setListNgramsUpdatesNodeStoryTest env = do
+  flip runReaderT env $ runTestMonad $ do
+    (_userId, _corpusId, listId, v) <- commonInitialization
+
+    let (terms, nre) = simpleTerm
+    let nls = Map.singleton terms nre
+    setListNgrams listId NgramsTerms nls
+    
+    liftIO $ do
+      ns <- atomically $ readTVar v
+      ns `shouldBe` (NodeStory $ Map.singleton listId
+                       (initArchiveList { _a_state = Map.singleton NgramsTerms nls }))
+    -- check that the ngrams are in the DB as well
+    ngramsMap <- selectNgramsId [unNgramsTerm terms]
+    liftIO $ (snd <$> Map.toList ngramsMap) `shouldBe` [unNgramsTerm terms]
+    
+    let nre2 = NgramsRepoElement { _nre_size = 1
+                                 , _nre_list = MapTerm
+                                 , _nre_root = Nothing
+                                 , _nre_parent = Nothing
+                                 , _nre_children =  MSet Map.empty }
+    let terms2 = "WORLD"
+    let nls2 = Map.singleton (NgramsTerm terms2) nre2
+    setListNgrams listId NgramsTerms nls2
+                                        
+    liftIO $ do
+      ns <- atomically $ readTVar v
+      ns `shouldBe` (NodeStory $ Map.singleton listId
+                       (initArchiveList { _a_state = Map.singleton NgramsTerms $ nls <> nls2 }))
+
+
+setListNgramsUpdatesNodeStoryWithChildrenTest :: TestEnv -> Assertion
+setListNgramsUpdatesNodeStoryWithChildrenTest env = do
+  flip runReaderT env $ runTestMonad $ do
+    (_userId, _corpusId, listId, v) <- commonInitialization
+
+    let (tChild, nreChild) = simpleChildTerm
+    let (tParent, nreParent) = simpleParentTerm
+    let nls = Map.fromList [(tParent, nreParent), (tChild, nreChild)]
+    setListNgrams listId NgramsTerms nls
+    
+    liftIO $ do
+      ns <- atomically $ readTVar v
+      ns `shouldBe` (NodeStory $ Map.singleton listId
+                       (initArchiveList { _a_state = Map.singleton NgramsTerms nls }))
+
+    -- OK, now we substitute parent with no children, the parent of
+    -- 'nreChild' should become Nothing
+    let nreParentNew = nreParent { _nre_children = MSet $ Map.empty }
+    let nlsToInsert = Map.fromList [(tParent, nreParentNew)]
+    setListNgrams listId NgramsTerms nlsToInsert
+
+    let nreChildNew = nreChild { _nre_parent = Nothing
+                               , _nre_root = Nothing }
+    let nlsNew = Map.fromList [(tParent, nreParentNew), (tChild, nreChildNew)]
+
+    liftIO $ do
+      ns <- atomically $ readTVar v
+      ns `shouldBe` (NodeStory $ Map.singleton listId
+                       (initArchiveList { _a_state = Map.singleton NgramsTerms nlsNew }))
+
+
+commitPatchSimpleTest :: TestEnv -> Assertion
+commitPatchSimpleTest env = do
+  flip runReaderT env $ runTestMonad $ do
+    (_userId, _corpusId, listId, v) <- commonInitialization
+
+    -- initially, the node story table is empty
+    liftIO $ do
+      ns <- atomically $ readTVar v
+      ns `shouldBe` (NodeStory $ Map.singleton listId
+                       (initArchiveList { _a_state = Map.empty }))
+
+    let (term, nre) = simpleTerm
+    let tPatch = NgramsReplace { _patch_old = Nothing
+                               , _patch_new = Just nre }
+    ver <- currentVersion listId
+    let ntp = mkNgramsTablePatch $ Map.singleton term tPatch
+    let (pm, _validation) = PM.singleton NgramsTerms ntp
+    let patch = Versioned ver pm
+
+    _patchApplied <- commitStatePatch listId patch
+
+    let nls = Map.fromList [(term, nre)]
+    
+    liftIO $ do
+      ns <- atomically $ readTVar v
+      ns `shouldBe` (NodeStory $ Map.singleton listId
+                       (initArchiveList { _a_state = Map.singleton NgramsTerms nls
+                                        , _a_version = ver + 1 }))

test/Test/Database/Setup.hs

@@ -15,6 +15,7 @@ import Database.PostgreSQL.Simple.Options qualified as Client
 import Database.PostgreSQL.Simple.Options qualified as Opts
 import Database.Postgres.Temp qualified as Tmp
 import Gargantext.API.Admin.EnvTypes (Mode(Mock))
+import Gargantext.Core.NodeStory (fromDBNodeStoryEnv)
 import Gargantext.Prelude
 import Gargantext.Prelude.Config
 import Gargantext.System.Logging (withLoggerHoisted)
@@ -71,8 +72,13 @@ setup = do
                          (PG.close) 2 60 2
       bootstrapDB db pool gargConfig
       ugen <- emptyCounter
+      test_nodeStory <- fromDBNodeStoryEnv pool
       withLoggerHoisted Mock $ \logger -> do
-        pure $ TestEnv (DBHandle pool db) gargConfig ugen logger
+        pure $ TestEnv { test_db = DBHandle pool db
+                       , test_config = gargConfig
+                       , test_nodeStory
+                       , test_usernameGen = ugen
+                       , test_logger = logger }
 
 withTestDB :: (TestEnv -> IO ()) -> IO ()
 withTestDB = bracket setup teardown

test/Test/Database/Types.hs

@@ -32,6 +32,7 @@ import Gargantext.API.Admin.Orchestrator.Types
 import Gargantext.API.Prelude
 import Gargantext.Core.Mail.Types (HasMail(..))
 import Gargantext.Core.NLP (HasNLPServer(..))
+import Gargantext.Core.NodeStory
 import Gargantext.Database.Prelude (HasConfig(..), HasConnectionPool(..))
 import Gargantext.Database.Query.Table.Node.Error
 import Gargantext.Prelude.Config
@@ -57,6 +58,7 @@ nextCounter (Counter ref) = atomicModifyIORef' ref (\old -> (succ old, old))
 data TestEnv = TestEnv {
     test_db                  :: !DBHandle
   , test_config              :: !GargConfig
+  , test_nodeStory           :: !NodeStoryEnv
   , test_usernameGen         :: !Counter
   , test_logger              :: !(Logger (GargM TestEnv GargError))
   }
@@ -107,6 +109,20 @@ instance HasMail TestEnv where
                                         , _mc_mail_password   = "test"
                                         , _mc_mail_login_type = NoAuth })
 
+instance HasNodeStoryEnv TestEnv where
+  hasNodeStory = to test_nodeStory
+
+
+instance HasNodeStoryVar TestEnv where
+  hasNodeStoryVar = hasNodeStory . nse_getter
+
+instance HasNodeStoryImmediateSaver TestEnv where
+  hasNodeStoryImmediateSaver = hasNodeStory . nse_saver_immediate
+
+instance HasNodeArchiveStoryImmediateSaver TestEnv where
+  hasNodeArchiveStoryImmediateSaver = hasNodeStory . nse_archive_saver_immediate
+
+
 coreNLPConfig :: NLPServerConfig
 coreNLPConfig =
   let uri = parseURI "http://localhost:9000"

test/Test/Ngrams/Query.hs

@@ -2,19 +2,18 @@
 {-# LANGUAGE TypeApplications #-}
 module Test.Ngrams.Query (tests) where
 
-import           Control.Monad
-import           Data.Coerce
-import           Data.Monoid
-import           Gargantext.API.Ngrams
-import           Gargantext.API.Ngrams.Types
-import           Gargantext.Core.Types.Main
-import           Gargantext.Core.Types.Query
-import           Gargantext.Prelude
-import qualified Data.Map.Strict as Map
-import qualified Data.Patch.Class as Patch
-import qualified Data.Validity    as Validity
-import qualified Data.Text as T
-
+import Control.Monad
+import Data.Coerce
+import Data.Map.Strict qualified as Map
+import Data.Monoid
+import Data.Patch.Class qualified as Patch
+import Data.Text qualified as T
+import Data.Validity qualified as Validity
+import Gargantext.API.Ngrams
+import Gargantext.API.Ngrams.Types
+import Gargantext.Core.Types.Main
+import Gargantext.Core.Types.Query
+import Gargantext.Prelude
 import Test.Ngrams.Query.PaginationCorpus
 import Test.Tasty
 import Test.Tasty.HUnit

test/drivers/hspec/Main.hs

@@ -43,3 +43,4 @@ main = do
   bracket startCoreNLPServer stopCoreNLPServer $ \_ -> hspec $ do
     API.tests
     DB.tests
+    DB.nodeStoryTests