{-| Module : Gargantext.API.Ngrams Description : Server API Copyright : (c) CNRS, 2017-Present License : AGPL + CECILL v3 Maintainer : team@gargantext.org Stability : experimental Portability : POSIX Ngrams API -- | TODO get ngrams filtered by NgramsType add get -} {-# OPTIONS_GHC -fno-warn-unused-top-binds #-} {-# LANGUAGE ConstraintKinds #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE TypeOperators #-} {-# LANGUAGE TypeFamilies #-} {-# LANGUAGE IncoherentInstances #-} module Gargantext.API.Ngrams ( TableNgramsApi , TableNgramsApiGet , TableNgramsApiPut , getTableNgrams , setListNgrams --, rmListNgrams TODO fix before exporting , apiNgramsTableCorpus , apiNgramsTableDoc , NgramsTablePatch , NgramsTableMap , NgramsTerm(..) , NgramsElement(..) , mkNgramsElement , RootParent(..) , MSet , mSetFromList , mSetToList , Repo(..) , r_version , r_state , r_history , NgramsRepoElement(..) , saveNodeStory , initRepo , TabType(..) , QueryParamR , TODO -- Internals , getNgramsTableMap , dumpJsonTableMap , tableNgramsPull , tableNgramsPut , Version , Versioned(..) , VersionedWithCount(..) , currentVersion , listNgramsChangedSince , MinSize, MaxSize, OrderBy, NgramsTable , UpdateTableNgramsCharts ) where import Control.Concurrent import Control.Lens ((.~), view, (^.), (^..), (+~), (%~), (.~), sumOf, at, _Just, Each(..), (%%~), mapped, ifolded, withIndex) import Control.Monad.Reader import Data.Aeson hiding ((.=)) import Data.Either (Either(..)) import Data.Foldable import Data.Map.Strict (Map) import Data.Maybe (fromMaybe) import Data.Monoid import Data.Ord (Down(..)) import Data.Patch.Class (Action(act), Transformable(..), ours) import Data.Swagger hiding (version, patch) import Data.Text (Text, isInfixOf, unpack, pack) import Data.Text.Lazy.IO as DTL import Formatting (hprint, int, (%)) import GHC.Generics (Generic) import Gargantext.API.Admin.Orchestrator.Types (JobLog(..), AsyncJobs) import Gargantext.API.Admin.Types (HasSettings) import Gargantext.API.Job import Gargantext.API.Ngrams.Types import Gargantext.API.Prelude import Gargantext.Core.NodeStory import Gargantext.Core.Mail.Types (HasMail) import Gargantext.Core.Types (ListType(..), NodeId, ListId, DocId, Limit, Offset, TODO, assertValid, HasInvalidError) import Gargantext.API.Ngrams.Tools import Gargantext.Database.Action.Flow.Types import Gargantext.Database.Action.Metrics.NgramsByContext (getOccByNgramsOnlyFast') import Gargantext.Database.Admin.Config (userMaster) import Gargantext.Database.Admin.Types.Node (NodeType(..)) import Gargantext.Database.Prelude (HasConnectionPool, HasConfig) import Gargantext.Database.Query.Table.Ngrams hiding (NgramsType(..), ngramsType, ngrams_terms) import Gargantext.Database.Query.Table.Node (getNode) import Gargantext.Database.Query.Table.Node.Error (HasNodeError) import Gargantext.Database.Query.Table.Node.Select import Gargantext.Database.Schema.Node (node_id, node_parent_id, node_user_id) import Gargantext.Prelude hiding (log) import Gargantext.Prelude.Clock (hasTime, getTime) import Prelude (error) import Servant hiding (Patch) import Servant.Job.Async (JobFunction(..), serveJobsAPI) import System.IO (stderr) import Test.QuickCheck (elements) import Test.QuickCheck.Arbitrary (Arbitrary, arbitrary) import qualified Data.Aeson.Text as DAT import qualified Data.List as List import qualified Data.Map.Strict as Map import qualified Data.Map.Strict.Patch as PM import qualified Data.Set as S import qualified Data.Set as Set import qualified Gargantext.API.Metrics as Metrics import qualified Gargantext.Database.Query.Table.Ngrams as TableNgrams {- -- TODO sequences of modifications (Patchs) type NgramsIdPatch = Patch NgramsId NgramsPatch ngramsPatch :: Int -> NgramsPatch ngramsPatch n = NgramsPatch (DM.fromList [(1, StopTerm)]) (Set.fromList [n]) Set.empty toEdit :: NgramsId -> NgramsPatch -> Edit NgramsId NgramsPatch toEdit n p = Edit n p ngramsIdPatch :: Patch NgramsId NgramsPatch ngramsIdPatch = fromList $ catMaybes $ reverse [ replace (1::NgramsId) (Just $ ngramsPatch 1) Nothing , replace (1::NgramsId) Nothing (Just $ ngramsPatch 2) , replace (2::NgramsId) Nothing (Just $ ngramsPatch 2) ] -- applyPatchBack :: Patch -> IO Patch -- isEmptyPatch = Map.all (\x -> Set.isEmpty (add_children x) && Set.isEmpty ... ) -} ------------------------------------------------------------------------ ------------------------------------------------------------------------ ------------------------------------------------------------------------ {- -- TODO: Replace.old is ignored which means that if the current list -- `MapTerm` and that the patch is `Replace CandidateTerm StopTerm` then -- the list is going to be `StopTerm` while it should keep `MapTerm`. -- However this should not happen in non conflicting situations. mkListsUpdate :: NgramsType -> NgramsTablePatch -> [(NgramsTypeId, NgramsTerm, ListTypeId)] mkListsUpdate nt patches = [ (ngramsTypeId nt, ng, listTypeId lt) | (ng, patch) <- patches ^.. ntp_ngrams_patches . ifolded . withIndex , lt <- patch ^.. patch_list . new ] mkChildrenGroups :: (PatchSet NgramsTerm -> Set NgramsTerm) -> NgramsType -> NgramsTablePatch -> [(NgramsTypeId, NgramsParent, NgramsChild)] mkChildrenGroups addOrRem nt patches = [ (ngramsTypeId nt, parent, child) | (parent, patch) <- patches ^.. ntp_ngrams_patches . ifolded . withIndex , child <- patch ^.. patch_children . to addOrRem . folded ] -} ------------------------------------------------------------------------ saveNodeStory :: ( MonadReader env m, MonadBase IO m, HasNodeStorySaver env ) => m () saveNodeStory = liftBase =<< view hasNodeStorySaver listTypeConflictResolution :: ListType -> ListType -> ListType listTypeConflictResolution _ _ = undefined -- TODO Use Map User ListType ngramsStatePatchConflictResolution :: TableNgrams.NgramsType -> NgramsTerm -> ConflictResolutionNgramsPatch ngramsStatePatchConflictResolution _ngramsType _ngramsTerm = (ours, (const ours, ours), (False, False)) -- (False, False) mean here that Mod has always priority. -- (True, False) <- would mean priority to the left (same as ours). -- undefined {- TODO think this through -}, listTypeConflictResolution) -- Current state: -- Insertions are not considered as patches, -- they do not extend history, -- they do not bump version. insertNewOnly :: a -> Maybe b -> a insertNewOnly m = maybe m (const $ error "insertNewOnly: impossible") -- TODO error handling {- unused -- TODO refactor with putListNgrams copyListNgrams :: RepoCmdM env err m => NodeId -> NodeId -> NgramsType -> m () copyListNgrams srcListId dstListId ngramsType = do var <- view repoVar liftBase $ modifyMVar_ var $ pure . (r_state . at ngramsType %~ (Just . f . something)) saveNodeStory where f :: Map NodeId NgramsTableMap -> Map NodeId NgramsTableMap f m = m & at dstListId %~ insertNewOnly (m ^. at srcListId) -- TODO refactor with putListNgrams -- The list must be non-empty! -- The added ngrams must be non-existent! addListNgrams :: RepoCmdM env err m => NodeId -> NgramsType -> [NgramsElement] -> m () addListNgrams listId ngramsType nes = do var <- view repoVar liftBase $ modifyMVar_ var $ pure . (r_state . at ngramsType . _Just . at listId . _Just <>~ m) saveNodeStory where m = Map.fromList $ (\n -> (n ^. ne_ngrams, n)) <$> nes -} -- | TODO: incr the Version number -- && should use patch -- UNSAFE setListNgrams :: HasNodeStory env err m => NodeId -> TableNgrams.NgramsType -> Map NgramsTerm NgramsRepoElement -> 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 ) saveNodeStory currentVersion :: HasNodeStory env err m => ListId -> m Version currentVersion listId = do nls <- getRepo' [listId] pure $ nls ^. unNodeStory . at listId . _Just . a_version newNgramsFromNgramsStatePatch :: NgramsStatePatch' -> [Ngrams] newNgramsFromNgramsStatePatch p = [ text2ngrams (unNgramsTerm n) | (n,np) <- p ^.. _PatchMap -- . each . _PatchMap . each . _NgramsTablePatch . _PatchMap . ifolded . withIndex , _ <- np ^.. patch_new . _Just ] commitStatePatch :: (HasNodeStory env err m, HasMail env) => ListId -> Versioned NgramsStatePatch' -> m (Versioned NgramsStatePatch') commitStatePatch listId (Versioned p_version p) = do -- printDebug "[commitStatePatch]" listId var <- getNodeStoryVar [listId] vq' <- liftBase $ modifyMVar var $ \ns -> do let a = ns ^. unNodeStory . at listId . _Just q = mconcat $ take (a ^. a_version - p_version) (a ^. a_history) (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) pure ( ns & unNodeStory . at listId .~ (Just a') , Versioned (a' ^. a_version) q' ) saveNodeStory -- Save new ngrams _ <- insertNgrams (newNgramsFromNgramsStatePatch p) pure vq' -- This is a special case of tableNgramsPut where the input patch is empty. tableNgramsPull :: HasNodeStory env err m => ListId -> TableNgrams.NgramsType -> Version -> m (Versioned NgramsTablePatch) tableNgramsPull listId ngramsType p_version = do printDebug "[tableNgramsPull]" (listId, ngramsType) var <- getNodeStoryVar [listId] r <- liftBase $ readMVar var let a = r ^. unNodeStory . at listId . _Just q = mconcat $ take (a ^. a_version - p_version) (a ^. a_history) q_table = q ^. _PatchMap . at ngramsType . _Just pure (Versioned (a ^. a_version) q_table) -- tableNgramsPut :: (HasInvalidError err, RepoCmdM env err m) -- Apply the given patch to the DB and returns the patch to be applied on the -- client. -- TODO-ACCESS check tableNgramsPut :: ( HasNodeStory env err m , HasInvalidError err , HasSettings env , HasMail env ) => TabType -> ListId -> Versioned NgramsTablePatch -> m (Versioned NgramsTablePatch) tableNgramsPut tabType listId (Versioned p_version p_table) | p_table == mempty = do printDebug "[tableNgramsPut]" ("TableEmpty" :: Text) let ngramsType = ngramsTypeFromTabType tabType tableNgramsPull listId ngramsType p_version | otherwise = do printDebug "[tableNgramsPut]" ("TableNonEmpty" :: Text) let ngramsType = ngramsTypeFromTabType tabType (p, p_validity) = PM.singleton ngramsType p_table assertValid p_validity ret <- commitStatePatch listId (Versioned p_version p) <&> v_data %~ (view (_PatchMap . at ngramsType . _Just)) pure ret tableNgramsPostChartsAsync :: ( HasNodeStory env err m , FlowCmdM env err m , HasNodeError err , HasSettings env ) => UpdateTableNgramsCharts -> (JobLog -> m ()) -> m JobLog tableNgramsPostChartsAsync utn logStatus = do let tabType = utn ^. utn_tab_type let listId = utn ^. utn_list_id node <- getNode listId let nId = node ^. node_id _uId = node ^. node_user_id mCId = node ^. node_parent_id -- printDebug "[tableNgramsPostChartsAsync] tabType" tabType -- printDebug "[tableNgramsPostChartsAsync] listId" listId case mCId of Nothing -> do printDebug "[tableNgramsPostChartsAsync] can't update charts, no parent, nId" nId pure $ jobLogFail $ jobLogInit 1 Just cId -> do case tabType of Authors -> do -- printDebug "[tableNgramsPostChartsAsync] Authors, updating Pie, cId" cId (logRef, logRefSuccess, getRef) <- runJobLog 1 logStatus logRef _ <- Metrics.updatePie cId (Just listId) tabType Nothing logRefSuccess getRef Institutes -> do -- printDebug "[tableNgramsPostChartsAsync] Institutes, updating Tree, cId" cId -- printDebug "[tableNgramsPostChartsAsync] updating tree StopTerm, cId" cId (logRef, logRefSuccess, getRef) <- runJobLog 3 logStatus logRef _ <- Metrics.updateTree cId (Just listId) tabType StopTerm -- printDebug "[tableNgramsPostChartsAsync] updating tree CandidateTerm, cId" cId logRefSuccess _ <- Metrics.updateTree cId (Just listId) tabType CandidateTerm -- printDebug "[tableNgramsPostChartsAsync] updating tree MapTerm, cId" cId logRefSuccess _ <- Metrics.updateTree cId (Just listId) tabType MapTerm logRefSuccess getRef Sources -> do -- printDebug "[tableNgramsPostChartsAsync] Sources, updating chart, cId" cId (logRef, logRefSuccess, getRef) <- runJobLog 1 logStatus logRef _ <- Metrics.updatePie cId (Just listId) tabType Nothing logRefSuccess getRef Terms -> do -- printDebug "[tableNgramsPostChartsAsync] Terms, updating Metrics (Histo), cId" cId (logRef, logRefSuccess, getRef) <- runJobLog 6 logStatus logRef {- _ <- Metrics.updateChart cId (Just listId) tabType Nothing logRefSuccess _ <- Metrics.updatePie cId (Just listId) tabType Nothing logRefSuccess _ <- Metrics.updateScatter cId (Just listId) tabType Nothing logRefSuccess _ <- Metrics.updateTree cId (Just listId) tabType StopTerm logRefSuccess _ <- Metrics.updateTree cId (Just listId) tabType CandidateTerm logRefSuccess _ <- Metrics.updateTree cId (Just listId) tabType MapTerm -} logRefSuccess getRef _ -> do printDebug "[tableNgramsPostChartsAsync] no update for tabType = " tabType pure $ jobLogFail $ jobLogInit 1 {- { _ne_list :: ListType If we merge the parents/children we can potentially create cycles! , _ne_parent :: Maybe NgramsTerm , _ne_children :: MSet NgramsTerm } -} getNgramsTableMap :: HasNodeStory env err m => NodeId -> TableNgrams.NgramsType -> m (Versioned NgramsTableMap) getNgramsTableMap nodeId ngramsType = do v <- getNodeStoryVar [nodeId] repo <- liftBase $ readMVar v pure $ Versioned (repo ^. unNodeStory . at nodeId . _Just . a_version) (repo ^. unNodeStory . at nodeId . _Just . a_state . at ngramsType . _Just) dumpJsonTableMap :: HasNodeStory env err m => Text -> NodeId -> TableNgrams.NgramsType -> m () dumpJsonTableMap fpath nodeId ngramsType = do m <- getNgramsTableMap nodeId ngramsType liftBase $ DTL.writeFile (unpack fpath) (DAT.encodeToLazyText m) pure () type MinSize = Int type MaxSize = Int -- | TODO Errors management -- TODO: polymorphic for Annuaire or Corpus or ... -- | Table of Ngrams is a ListNgrams formatted (sorted and/or cut). -- TODO: should take only one ListId getTableNgrams :: forall env err m. (HasNodeStory env err m, HasNodeError err, HasConnectionPool env, HasConfig env, HasMail env) => NodeType -> NodeId -> TabType -> ListId -> Limit -> Maybe Offset -> Maybe ListType -> Maybe MinSize -> Maybe MaxSize -> Maybe OrderBy -> (NgramsTerm -> Bool) -> m (VersionedWithCount NgramsTable) getTableNgrams _nType nId tabType listId limit_ offset listType minSize maxSize orderBy searchQuery = do t0 <- getTime -- lIds <- selectNodesWithUsername NodeList userMaster let ngramsType = ngramsTypeFromTabType tabType offset' = maybe 0 identity offset listType' = maybe (const True) (==) listType minSize' = maybe (const True) (<=) minSize maxSize' = maybe (const True) (>=) maxSize selected_node n = minSize' s && maxSize' s && searchQuery (n ^. ne_ngrams) && listType' (n ^. ne_list) where s = n ^. ne_size selected_inner roots n = maybe False (`Set.member` roots) (n ^. ne_root) --------------------------------------- sortOnOrder Nothing = sortOnOrder (Just ScoreDesc) sortOnOrder (Just TermAsc) = List.sortOn $ view ne_ngrams sortOnOrder (Just TermDesc) = List.sortOn $ Down . view ne_ngrams sortOnOrder (Just ScoreAsc) = List.sortOn $ view ne_occurrences sortOnOrder (Just ScoreDesc) = List.sortOn $ Down . view ne_occurrences --------------------------------------- filteredNodes :: Map NgramsTerm NgramsElement -> [NgramsElement] filteredNodes tableMap = rootOf <$> list & filter selected_node where rootOf ne = maybe ne (\r -> fromMaybe (panic "getTableNgrams: invalid root") (tableMap ^. at r) ) (ne ^. ne_root) list = tableMap ^.. each --------------------------------------- selectAndPaginate :: Map NgramsTerm NgramsElement -> [NgramsElement] selectAndPaginate tableMap = roots <> inners where list = tableMap ^.. each rootOf ne = maybe ne (\r -> fromMaybe (panic "getTableNgrams: invalid root") (tableMap ^. at r) ) (ne ^. ne_root) selected_nodes = list & take limit_ . drop offset' . filter selected_node . sortOnOrder orderBy roots = rootOf <$> selected_nodes rootsSet = Set.fromList (_ne_ngrams <$> roots) inners = list & filter (selected_inner rootsSet) --------------------------------------- setScores :: forall t. Each t t NgramsElement NgramsElement => Bool -> t -> m t setScores False table = pure table setScores True table = do let ngrams_terms = table ^.. each . ne_ngrams -- printDebug "ngrams_terms" ngrams_terms t1 <- getTime occurrences <- getOccByNgramsOnlyFast' nId listId ngramsType ngrams_terms --printDebug "occurrences" occurrences t2 <- getTime liftBase $ hprint stderr ("getTableNgrams/setScores #ngrams=" % int % " time=" % hasTime % "\n") (length ngrams_terms) t1 t2 let setOcc ne = ne & ne_occurrences .~ sumOf (at (ne ^. ne_ngrams) . _Just) occurrences pure $ table & each %~ setOcc --------------------------------------- -- lists <- catMaybes <$> listsWith userMaster -- trace (show lists) $ -- getNgramsTableMap ({-lists <>-} listIds) ngramsType let scoresNeeded = needsScores orderBy tableMap1 <- getNgramsTableMap listId ngramsType t1 <- getTime tableMap2 <- tableMap1 & v_data %%~ setScores scoresNeeded . Map.mapWithKey ngramsElementFromRepo fltr <- tableMap2 & v_data %%~ fmap NgramsTable . setScores (not scoresNeeded) . filteredNodes let fltrCount = length $ fltr ^. v_data . _NgramsTable t2 <- getTime tableMap3 <- tableMap2 & v_data %%~ fmap NgramsTable . setScores (not scoresNeeded) . selectAndPaginate t3 <- getTime liftBase $ hprint stderr ("getTableNgrams total=" % hasTime % " map1=" % hasTime % " map2=" % hasTime % " map3=" % hasTime % " sql=" % (if scoresNeeded then "map2" else "map3") % "\n" ) t0 t3 t0 t1 t1 t2 t2 t3 pure $ toVersionedWithCount fltrCount tableMap3 scoresRecomputeTableNgrams :: forall env err m. (HasNodeStory env err m, HasNodeError err, HasConnectionPool env, HasConfig env, HasMail env) => NodeId -> TabType -> ListId -> m Int scoresRecomputeTableNgrams nId tabType listId = do tableMap <- getNgramsTableMap listId ngramsType _ <- tableMap & v_data %%~ setScores . Map.mapWithKey ngramsElementFromRepo pure $ 1 where ngramsType = ngramsTypeFromTabType tabType setScores :: forall t. Each t t NgramsElement NgramsElement => t -> m t setScores table = do let ngrams_terms = table ^.. each . ne_ngrams occurrences <- getOccByNgramsOnlyFast' nId listId ngramsType ngrams_terms let setOcc ne = ne & ne_occurrences .~ sumOf (at (ne ^. ne_ngrams) . _Just) occurrences pure $ table & each %~ setOcc -- APIs -- TODO: find a better place for the code above, All APIs stay here data OrderBy = TermAsc | TermDesc | ScoreAsc | ScoreDesc deriving (Generic, Enum, Bounded, Read, Show) instance FromHttpApiData OrderBy where parseUrlPiece "TermAsc" = pure TermAsc parseUrlPiece "TermDesc" = pure TermDesc parseUrlPiece "ScoreAsc" = pure ScoreAsc parseUrlPiece "ScoreDesc" = pure ScoreDesc parseUrlPiece _ = Left "Unexpected value of OrderBy" instance ToHttpApiData OrderBy where toUrlPiece = pack . show instance ToParamSchema OrderBy instance FromJSON OrderBy instance ToJSON OrderBy instance ToSchema OrderBy instance Arbitrary OrderBy where arbitrary = elements [minBound..maxBound] needsScores :: Maybe OrderBy -> Bool needsScores (Just ScoreAsc) = True needsScores (Just ScoreDesc) = True needsScores _ = False type TableNgramsApiGet = Summary " Table Ngrams API Get" :> QueryParamR "ngramsType" TabType :> QueryParamR "list" ListId :> QueryParamR "limit" Limit :> QueryParam "offset" Offset :> QueryParam "listType" ListType :> QueryParam "minTermSize" MinSize :> QueryParam "maxTermSize" MaxSize :> QueryParam "orderBy" OrderBy :> QueryParam "search" Text :> Get '[JSON] (VersionedWithCount NgramsTable) type TableNgramsApiPut = Summary " Table Ngrams API Change" :> QueryParamR "ngramsType" TabType :> QueryParamR "list" ListId :> ReqBody '[JSON] (Versioned NgramsTablePatch) :> Put '[JSON] (Versioned NgramsTablePatch) type RecomputeScoresNgramsApiGet = Summary " Recompute scores for ngrams table" :> QueryParamR "ngramsType" TabType :> QueryParamR "list" ListId :> "recompute" :> Post '[JSON] Int type TableNgramsApiGetVersion = Summary " Table Ngrams API Get Version" :> QueryParamR "ngramsType" TabType :> QueryParamR "list" ListId :> Get '[JSON] Version type TableNgramsApi = TableNgramsApiGet :<|> TableNgramsApiPut :<|> RecomputeScoresNgramsApiGet :<|> "version" :> TableNgramsApiGetVersion :<|> TableNgramsAsyncApi type TableNgramsAsyncApi = Summary "Table Ngrams Async API" :> "async" :> "charts" :> "update" :> AsyncJobs JobLog '[JSON] UpdateTableNgramsCharts JobLog getTableNgramsCorpus :: (HasNodeStory env err m, HasNodeError err, HasConnectionPool env, HasConfig env, HasMail env) => NodeId -> TabType -> ListId -> Limit -> Maybe Offset -> Maybe ListType -> Maybe MinSize -> Maybe MaxSize -> Maybe OrderBy -> Maybe Text -- full text search -> m (VersionedWithCount NgramsTable) getTableNgramsCorpus nId tabType listId limit_ offset listType minSize maxSize orderBy mt = getTableNgrams NodeCorpus nId tabType listId limit_ offset listType minSize maxSize orderBy searchQuery where searchQuery (NgramsTerm nt) = maybe (const True) isInfixOf mt nt getTableNgramsVersion :: (HasNodeStory env err m, HasNodeError err, HasConnectionPool env, HasConfig env) => NodeId -> TabType -> ListId -> m Version getTableNgramsVersion _nId _tabType listId = currentVersion listId -- TODO: limit? -- Versioned { _v_version = v } <- getTableNgramsCorpus nId tabType listId 100000 Nothing Nothing Nothing Nothing Nothing Nothing -- This line above looks like a waste of computation to finally get only the version. -- See the comment about listNgramsChangedSince. -- | Text search is deactivated for now for ngrams by doc only getTableNgramsDoc :: (HasNodeStory env err m, HasNodeError err, HasConnectionPool env, HasConfig env, HasMail env) => DocId -> TabType -> ListId -> Limit -> Maybe Offset -> Maybe ListType -> Maybe MinSize -> Maybe MaxSize -> Maybe OrderBy -> Maybe Text -- full text search -> m (VersionedWithCount NgramsTable) getTableNgramsDoc dId tabType listId limit_ offset listType minSize maxSize orderBy _mt = do ns <- selectNodesWithUsername NodeList userMaster let ngramsType = ngramsTypeFromTabType tabType ngs <- selectNgramsByDoc (ns <> [listId]) dId ngramsType let searchQuery (NgramsTerm nt) = flip S.member (S.fromList ngs) nt getTableNgrams NodeDocument dId tabType listId limit_ offset listType minSize maxSize orderBy searchQuery apiNgramsTableCorpus :: ( GargServerC env err m ) => NodeId -> ServerT TableNgramsApi m apiNgramsTableCorpus cId = getTableNgramsCorpus cId :<|> tableNgramsPut :<|> scoresRecomputeTableNgrams cId :<|> getTableNgramsVersion cId :<|> apiNgramsAsync cId apiNgramsTableDoc :: ( GargServerC env err m ) => DocId -> ServerT TableNgramsApi m apiNgramsTableDoc dId = getTableNgramsDoc dId :<|> tableNgramsPut :<|> scoresRecomputeTableNgrams dId :<|> getTableNgramsVersion dId :<|> apiNgramsAsync dId apiNgramsAsync :: NodeId -> GargServer TableNgramsAsyncApi apiNgramsAsync _dId = serveJobsAPI $ JobFunction $ \i log -> let log' x = do printDebug "tableNgramsPostChartsAsync" x liftBase $ log x in tableNgramsPostChartsAsync i log' -- Did the given list of ngrams changed since the given version? -- The returned value is versioned boolean value, meaning that one always retrieve the -- latest version. -- If the given version is negative then one simply receive the latest version and True. -- Using this function is more precise than simply comparing the latest version number -- with the local version number. Indeed there might be no change to this particular list -- and still the version number has changed because of other lists. -- -- Here the added value is to make a compromise between precision, computation, and bandwidth: -- * currentVersion: good computation, good bandwidth, bad precision. -- * listNgramsChangedSince: good precision, good bandwidth, bad computation. -- * tableNgramsPull: good precision, good bandwidth (if you use the received data!), bad computation. listNgramsChangedSince :: HasNodeStory env err m => ListId -> TableNgrams.NgramsType -> Version -> m (Versioned Bool) listNgramsChangedSince listId ngramsType version | version < 0 = Versioned <$> currentVersion listId <*> pure True | otherwise = tableNgramsPull listId ngramsType version & mapped . v_data %~ (== mempty)