src/Gargantext/API/Ngrams.hs

   1 {-# OPTIONS_GHC -fno-warn-unused-top-binds #-}
   2 {-|
   3 Module      : Gargantext.API.Ngrams
   4 Description : Server API
   5 Copyright   : (c) CNRS, 2017-Present
   6 License     : AGPL + CECILL v3
   7 Maintainer  : team@gargantext.org
   8 Stability   : experimental
   9 Portability : POSIX
  10
  11 Ngrams API
  12
  13 -- | TODO
  14 get ngrams filtered by NgramsType
  15 add get
  16
  17 -}
  18
  19 {-# LANGUAGE ConstraintKinds   #-}
  20 {-# LANGUAGE ScopedTypeVariables #-}
  21 {-# LANGUAGE TemplateHaskell   #-}
  22 {-# LANGUAGE TypeOperators     #-}
  23 {-# LANGUAGE TypeFamilies      #-}
  24 {-# OPTIONS -fno-warn-orphans #-}
  25
  26 module Gargantext.API.Ngrams
  27   ( TableNgramsApi
  28   , TableNgramsApiGet
  29   , TableNgramsApiPut
  30   , TableNgramsApiPost
  31
  32   , getTableNgrams
  33   , setListNgrams
  34   , rmListNgrams
  35   , putListNgrams
  36   , putListNgrams'
  37   , tableNgramsPost
  38   , apiNgramsTableCorpus
  39   , apiNgramsTableDoc
  40
  41   , NgramsStatePatch
  42   , NgramsTablePatch
  43   , NgramsTableMap
  44
  45   , NgramsElement(..)
  46   , mkNgramsElement
  47   , mergeNgramsElement
  48
  49   , RootParent(..)
  50
  51   , MSet
  52   , mSetFromList
  53   , mSetToList
  54
  55   , Repo(..)
  56   , r_version
  57   , r_state
  58   , r_history
  59   , NgramsRepo
  60   , NgramsRepoElement(..)
  61   , saveRepo
  62   , initRepo
  63
  64   , RepoEnv(..)
  65   , renv_var
  66   , renv_lock
  67
  68   , TabType(..)
  69   , ngramsTypeFromTabType
  70
  71   , HasRepoVar(..)
  72   , HasRepoSaver(..)
  73   , HasRepo(..)
  74   , RepoCmdM
  75   , QueryParamR
  76   , TODO
  77
  78   -- Internals
  79   , getNgramsTableMap
  80   , tableNgramsPull
  81   , tableNgramsPut
  82
  83   , Version
  84   , Versioned(..)
  85   , currentVersion
  86   , listNgramsChangedSince
  87   )
  88   where
  89
  90 import Codec.Serialise (Serialise())
  91 import Control.Category ((>>>))
  92 import Control.Concurrent
  93 import Control.Lens (makeLenses, makePrisms, Getter, Iso', iso, from, (.~), (?=), (#), to, folded, {-withIndex, ifolded,-} view, use, (^.), (^..), (^?), (+~), (%~), (.~), (%=), sumOf, at, _Just, Each(..), itraverse_, both, forOf_, (%%~), (?~), mapped)
  94 import Control.Monad.Base (MonadBase, liftBase)
  95 import Control.Monad.Error.Class (MonadError)
  96 import Control.Monad.Reader
  97 import Control.Monad.State
  98 import Control.Monad.Trans.Control (MonadBaseControl)
  99 import Data.Aeson hiding ((.=))
 100 import Data.Aeson.TH (deriveJSON)
 101 import Data.Either(Either(Left))
 102 import Data.Either.Extra (maybeToEither)
 103 import Data.Foldable
 104 import Data.Map.Strict (Map)
 105 import Data.Maybe (fromMaybe)
 106 import Data.Monoid
 107 import Data.Ord (Down(..))
 108 import Data.Patch.Class (Replace, replace, Action(act), Applicable(..), Composable(..), Transformable(..), PairPatch(..), Patched, ConflictResolution, ConflictResolutionReplace, ours)
 109 import Data.Set (Set)
 110 import Data.Swagger hiding (version, patch)
 111 import Data.Text (Text, isInfixOf, count)
 112 import Data.Validity
 113 import Database.PostgreSQL.Simple.FromField (FromField, fromField)
 114 import Formatting (hprint, int, (%))
 115 import Formatting.Clock (timeSpecs)
 116 import GHC.Generics (Generic)
 117 import Gargantext.Core.Types (ListType(..), NodeId, ListId, DocId, Limit, Offset, HasInvalidError, assertValid)
 118 import Gargantext.Core.Types (TODO)
 119 import Gargantext.Core.Utils.Prefix (unPrefix, unPrefixSwagger)
 120 import Gargantext.Database.Action.Metrics.NgramsByNode (getOccByNgramsOnlyFast')
 121 import Gargantext.Database.Query.Table.Node.Select
 122 import Gargantext.Database.Query.Table.Ngrams hiding (NgramsType(..), ngrams, ngramsType, ngrams_terms)
 123 import Gargantext.Database.Admin.Config (userMaster)
 124 import Gargantext.Database.Query.Table.Node.Error (HasNodeError)
 125 import Gargantext.Database.Admin.Types.Node (NodeType(..))
 126 import Gargantext.Database.Prelude (fromField', HasConnectionPool)
 127 import Gargantext.Prelude
 128 import Prelude (Enum, Bounded, Semigroup(..), minBound, maxBound {-, round-}, error)
 129 import Servant hiding (Patch)
 130 import System.Clock (getTime, TimeSpec, Clock(..))
 131 import System.FileLock (FileLock)
 132 import System.IO (stderr)
 133 import Test.QuickCheck (elements)
 134 import Test.QuickCheck.Arbitrary (Arbitrary, arbitrary)
 135 import qualified Data.HashMap.Strict.InsOrd as InsOrdHashMap
 136 import qualified Data.List as List
 137 import qualified Data.Map.Strict as Map
 138 import qualified Data.Map.Strict.Patch as PM
 139 import qualified Data.Set as S
 140 import qualified Data.Set as Set
 141 import qualified Gargantext.Database.Query.Table.Ngrams as TableNgrams
 142
 143 ------------------------------------------------------------------------
 144 --data FacetFormat = Table | Chart
 145 data TabType   = Docs   | Trash   | MoreFav | MoreTrash
 146                | Terms  | Sources | Authors | Institutes
 147                | Contacts
 148   deriving (Generic, Enum, Bounded, Show)
 149
 150 instance FromHttpApiData TabType
 151   where
 152     parseUrlPiece "Docs"       = pure Docs
 153     parseUrlPiece "Trash"      = pure Trash
 154     parseUrlPiece "MoreFav"    = pure MoreFav
 155     parseUrlPiece "MoreTrash"  = pure MoreTrash
 156
 157     parseUrlPiece "Terms"      = pure Terms
 158     parseUrlPiece "Sources"    = pure Sources
 159     parseUrlPiece "Institutes" = pure Institutes
 160     parseUrlPiece "Authors"    = pure Authors
 161
 162     parseUrlPiece "Contacts"   = pure Contacts
 163
 164     parseUrlPiece _            = Left "Unexpected value of TabType"
 165
 166 instance ToParamSchema   TabType
 167 instance ToJSON    TabType
 168 instance FromJSON  TabType
 169 instance ToSchema  TabType
 170 instance Arbitrary TabType
 171   where
 172     arbitrary = elements [minBound .. maxBound]
 173
 174 newtype MSet a = MSet (Map a ())
 175   deriving (Eq, Ord, Show, Generic, Arbitrary, Semigroup, Monoid)
 176
 177 instance ToJSON a => ToJSON (MSet a) where
 178   toJSON     (MSet m) = toJSON     (Map.keys m)
 179   toEncoding (MSet m) = toEncoding (Map.keys m)
 180
 181 mSetFromSet :: Set a -> MSet a
 182 mSetFromSet = MSet . Map.fromSet (const ())
 183
 184 mSetFromList :: Ord a => [a] -> MSet a
 185 mSetFromList = MSet . Map.fromList . map (\x -> (x, ()))
 186
 187 -- mSetToSet :: Ord a => MSet a -> Set a
 188 -- mSetToSet (MSet a) = Set.fromList ( Map.keys a)
 189 mSetToSet :: Ord a => MSet a -> Set a
 190 mSetToSet = Set.fromList . mSetToList
 191
 192 mSetToList :: MSet a -> [a]
 193 mSetToList (MSet a) = Map.keys a
 194
 195 instance Foldable MSet where
 196   foldMap f (MSet m) = Map.foldMapWithKey (\k _ -> f k) m
 197
 198 instance (Ord a, FromJSON a) => FromJSON (MSet a) where
 199   parseJSON = fmap mSetFromList . parseJSON
 200
 201 instance (ToJSONKey a, ToSchema a) => ToSchema (MSet a) where
 202   -- TODO
 203   declareNamedSchema _ = declareNamedSchema (Proxy :: Proxy TODO)
 204
 205 ------------------------------------------------------------------------
 206 type NgramsTerm = Text
 207
 208 data RootParent = RootParent
 209   { _rp_root   :: NgramsTerm
 210   , _rp_parent :: NgramsTerm
 211   }
 212   deriving (Ord, Eq, Show, Generic)
 213
 214 deriveJSON (unPrefix "_rp_") ''RootParent
 215 makeLenses ''RootParent
 216
 217 data NgramsRepoElement = NgramsRepoElement
 218   { _nre_size        :: Int
 219   , _nre_list        :: ListType
 220 --, _nre_root_parent :: Maybe RootParent
 221   , _nre_root        :: Maybe NgramsTerm
 222   , _nre_parent      :: Maybe NgramsTerm
 223   , _nre_children    :: MSet NgramsTerm
 224   }
 225   deriving (Ord, Eq, Show, Generic)
 226
 227 deriveJSON (unPrefix "_nre_") ''NgramsRepoElement
 228 makeLenses ''NgramsRepoElement
 229
 230 instance ToSchema NgramsRepoElement where
 231   declareNamedSchema = genericDeclareNamedSchema (unPrefixSwagger "_nre_")
 232
 233 instance Serialise (MSet NgramsTerm)
 234 instance Serialise NgramsRepoElement
 235
 236 data NgramsElement =
 237      NgramsElement { _ne_ngrams      :: NgramsTerm
 238                    , _ne_size        :: Int
 239                    , _ne_list        :: ListType
 240                    , _ne_occurrences :: Int
 241                    , _ne_root        :: Maybe NgramsTerm
 242                    , _ne_parent      :: Maybe NgramsTerm
 243                    , _ne_children    :: MSet  NgramsTerm
 244                    }
 245       deriving (Ord, Eq, Show, Generic)
 246
 247 deriveJSON (unPrefix "_ne_") ''NgramsElement
 248 makeLenses ''NgramsElement
 249
 250 mkNgramsElement :: NgramsTerm
 251                 -> ListType
 252                 -> Maybe RootParent
 253                 -> MSet NgramsTerm
 254                 -> NgramsElement
 255 mkNgramsElement ngrams list rp children =
 256   NgramsElement ngrams size list 1 (_rp_root <$> rp) (_rp_parent <$> rp) children
 257   where
 258     -- TODO review
 259     size = 1 + count " " ngrams
 260
 261 newNgramsElement :: Maybe ListType -> NgramsTerm -> NgramsElement
 262 newNgramsElement mayList ngrams =
 263   mkNgramsElement ngrams (fromMaybe GraphTerm mayList) Nothing mempty
 264
 265 instance ToSchema NgramsElement where
 266   declareNamedSchema = genericDeclareNamedSchema (unPrefixSwagger "_ne_")
 267 instance Arbitrary NgramsElement where
 268   arbitrary = elements [newNgramsElement Nothing "sport"]
 269
 270 ngramsElementToRepo :: NgramsElement -> NgramsRepoElement
 271 ngramsElementToRepo
 272   (NgramsElement { _ne_size     = s
 273                  , _ne_list     = l
 274                  , _ne_root     = r
 275                  , _ne_parent   = p
 276                  , _ne_children = c
 277                  }) =
 278   NgramsRepoElement
 279     { _nre_size     = s
 280     , _nre_list     = l
 281     , _nre_parent   = p
 282     , _nre_root     = r
 283     , _nre_children = c
 284     }
 285
 286 ngramsElementFromRepo :: NgramsTerm -> NgramsRepoElement -> NgramsElement
 287 ngramsElementFromRepo
 288   ngrams
 289   (NgramsRepoElement
 290       { _nre_size     = s
 291       , _nre_list     = l
 292       , _nre_parent   = p
 293       , _nre_root     = r
 294       , _nre_children = c
 295       }) =
 296   NgramsElement { _ne_size        = s
 297                 , _ne_list        = l
 298                 , _ne_root        = r
 299                 , _ne_parent      = p
 300                 , _ne_children    = c
 301                 , _ne_ngrams      = ngrams
 302                 , _ne_occurrences = panic $ "API.Ngrams._ne_occurrences"
 303                 {-
 304                 -- Here we could use 0 if we want to avoid any `panic`.
 305                 -- It will not happen using getTableNgrams if
 306                 -- getOccByNgramsOnly provides a count of occurrences for
 307                 -- all the ngrams given.
 308                 -}
 309                 }
 310
 311 ------------------------------------------------------------------------
 312 newtype NgramsTable = NgramsTable [NgramsElement]
 313   deriving (Ord, Eq, Generic, ToJSON, FromJSON, Show)
 314
 315 type NgramsList = NgramsTable
 316
 317 makePrisms ''NgramsTable
 318
 319 -- | Question: why these repetition of Type in this instance
 320 -- may you document it please ?
 321 instance Each NgramsTable NgramsTable NgramsElement NgramsElement where
 322   each = _NgramsTable . each
 323
 324 -- TODO discuss
 325 -- | TODO Check N and Weight
 326 {-
 327 toNgramsElement :: [NgramsTableData] -> [NgramsElement]
 328 toNgramsElement ns = map toNgramsElement' ns
 329     where
 330       toNgramsElement' (NgramsTableData _ p t _ lt w) = NgramsElement t lt' (round w) p' c'
 331         where
 332           p' = case p of
 333                  Nothing -> Nothing
 334                  Just x  -> lookup x mapParent
 335           c' = maybe mempty identity $ lookup t mapChildren
 336           lt' = maybe (panic "API.Ngrams: listypeId") identity lt
 337
 338       mapParent :: Map Int Text
 339       mapParent   = Map.fromListWith (<>) $ map (\(NgramsTableData i _ t _ _ _) -> (i,t)) ns
 340
 341       mapChildren :: Map Text (Set Text)
 342       mapChildren = Map.mapKeys (\i -> (maybe (panic "API.Ngrams.mapChildren: ParentId with no Terms: Impossible") identity $ lookup i mapParent))
 343                   $ Map.fromListWith (<>)
 344                   $ map (first fromJust)
 345                   $ filter (isJust . fst)
 346                   $ map (\(NgramsTableData _ p t _ _ _) -> (p, Set.singleton t)) ns
 347 -}
 348
 349 mockTable :: NgramsTable
 350 mockTable = NgramsTable
 351   [ mkNgramsElement "animal"  GraphTerm      Nothing       (mSetFromList ["dog", "cat"])
 352   , mkNgramsElement "cat"     GraphTerm     (rp "animal")  mempty
 353   , mkNgramsElement "cats"    StopTerm       Nothing       mempty
 354   , mkNgramsElement "dog"     GraphTerm     (rp "animal")  (mSetFromList ["dogs"])
 355   , mkNgramsElement "dogs"    StopTerm      (rp "dog")     mempty
 356   , mkNgramsElement "fox"     GraphTerm      Nothing       mempty
 357   , mkNgramsElement "object"  CandidateTerm  Nothing       mempty
 358   , mkNgramsElement "nothing" StopTerm       Nothing       mempty
 359   , mkNgramsElement "organic" GraphTerm      Nothing       (mSetFromList ["flower"])
 360   , mkNgramsElement "flower"  GraphTerm     (rp "organic") mempty
 361   , mkNgramsElement "moon"    CandidateTerm  Nothing       mempty
 362   , mkNgramsElement "sky"     StopTerm       Nothing       mempty
 363   ]
 364   where
 365     rp n = Just $ RootParent n n
 366
 367 instance Arbitrary NgramsTable where
 368   arbitrary = pure mockTable
 369
 370 instance ToSchema NgramsTable
 371
 372 ------------------------------------------------------------------------
 373 type NgramsTableMap = Map NgramsTerm NgramsRepoElement
 374 ------------------------------------------------------------------------
 375 -- On the Client side:
 376 --data Action = InGroup     NgramsId NgramsId
 377 --            | OutGroup    NgramsId NgramsId
 378 --            | SetListType NgramsId ListType
 379
 380 data PatchSet a = PatchSet
 381   { _rem :: Set a
 382   , _add :: Set a
 383   }
 384   deriving (Eq, Ord, Show, Generic)
 385
 386 makeLenses ''PatchSet
 387 makePrisms ''PatchSet
 388
 389 instance ToJSON a => ToJSON (PatchSet a) where
 390   toJSON     = genericToJSON     $ unPrefix "_"
 391   toEncoding = genericToEncoding $ unPrefix "_"
 392
 393 instance (Ord a, FromJSON a) => FromJSON (PatchSet a) where
 394   parseJSON = genericParseJSON $ unPrefix "_"
 395
 396 {-
 397 instance (Ord a, Arbitrary a) => Arbitrary (PatchSet a) where
 398   arbitrary = PatchSet <$> arbitrary <*> arbitrary
 399
 400 type instance Patched (PatchSet a) = Set a
 401
 402 type ConflictResolutionPatchSet a = SimpleConflictResolution' (Set a)
 403 type instance ConflictResolution (PatchSet a) = ConflictResolutionPatchSet a
 404
 405 instance Ord a => Semigroup (PatchSet a) where
 406   p <> q = PatchSet { _rem = (q ^. rem) `Set.difference` (p ^. add) <> p ^. rem
 407                     , _add = (q ^. add) `Set.difference` (p ^. rem) <> p ^. add
 408                     } -- TODO Review
 409
 410 instance Ord a => Monoid (PatchSet a) where
 411   mempty = PatchSet mempty mempty
 412
 413 instance Ord a => Group (PatchSet a) where
 414   invert (PatchSet r a) = PatchSet a r
 415
 416 instance Ord a => Composable (PatchSet a) where
 417   composable _ _ = undefined
 418
 419 instance Ord a => Action (PatchSet a) (Set a) where
 420   act p source = (source `Set.difference` (p ^. rem)) <> p ^. add
 421
 422 instance Applicable (PatchSet a) (Set a) where
 423   applicable _ _ = mempty
 424
 425 instance Ord a => Validity (PatchSet a) where
 426   validate p = check (Set.disjoint (p ^. rem) (p ^. add)) "_rem and _add should be dijoint"
 427
 428 instance Ord a => Transformable (PatchSet a) where
 429   transformable = undefined
 430
 431   conflicts _p _q = undefined
 432
 433   transformWith conflict p q = undefined conflict p q
 434
 435 instance ToSchema a => ToSchema (PatchSet a)
 436 -}
 437
 438 type AddRem = Replace (Maybe ())
 439
 440 instance Serialise AddRem
 441
 442 remPatch, addPatch :: AddRem
 443 remPatch = replace (Just ()) Nothing
 444 addPatch = replace Nothing (Just ())
 445
 446 isRem :: Replace (Maybe ()) -> Bool
 447 isRem = (== remPatch)
 448
 449 type PatchMap = PM.PatchMap
 450
 451
 452 newtype PatchMSet a = PatchMSet (PatchMap a AddRem)
 453   deriving (Eq, Show, Generic, Validity, Semigroup, Monoid,
 454             Transformable, Composable)
 455
 456 type ConflictResolutionPatchMSet a = a -> ConflictResolutionReplace (Maybe ())
 457 type instance ConflictResolution (PatchMSet a) = ConflictResolutionPatchMSet a
 458
 459 instance (Serialise a, Ord a) => Serialise (PatchMap a AddRem)
 460 instance (Serialise a, Ord a) => Serialise (PatchMSet a)
 461
 462 -- TODO this breaks module abstraction
 463 makePrisms ''PM.PatchMap
 464
 465 makePrisms ''PatchMSet
 466
 467 _PatchMSetIso :: Ord a => Iso' (PatchMSet a) (PatchSet a)
 468 _PatchMSetIso = _PatchMSet . _PatchMap . iso f g . from _PatchSet
 469   where
 470     f :: Ord a => Map a (Replace (Maybe ())) -> (Set a, Set a)
 471     f = Map.partition isRem >>> both %~ Map.keysSet
 472
 473     g :: Ord a => (Set a, Set a) -> Map a (Replace (Maybe ()))
 474     g (rems, adds) = Map.fromSet (const remPatch) rems
 475                   <> Map.fromSet (const addPatch) adds
 476
 477 instance Ord a => Action (PatchMSet a) (MSet a) where
 478   act (PatchMSet p) (MSet m) = MSet $ act p m
 479
 480 instance Ord a => Applicable (PatchMSet a) (MSet a) where
 481   applicable (PatchMSet p) (MSet m) = applicable p m
 482
 483 instance (Ord a, ToJSON a) => ToJSON (PatchMSet a) where
 484   toJSON     = toJSON . view _PatchMSetIso
 485   toEncoding = toEncoding . view _PatchMSetIso
 486
 487 instance (Ord a, FromJSON a) => FromJSON (PatchMSet a) where
 488   parseJSON = fmap (_PatchMSetIso #) . parseJSON
 489
 490 instance (Ord a, Arbitrary a) => Arbitrary (PatchMSet a) where
 491   arbitrary = (PatchMSet . PM.fromMap) <$> arbitrary
 492
 493 instance ToSchema a => ToSchema (PatchMSet a) where
 494   -- TODO
 495   declareNamedSchema _ = declareNamedSchema (Proxy :: Proxy TODO)
 496
 497 type instance Patched (PatchMSet a) = MSet a
 498
 499 instance (Eq a, Arbitrary a) => Arbitrary (Replace a) where
 500   arbitrary = uncurry replace <$> arbitrary
 501     -- If they happen to be equal then the patch is Keep.
 502
 503 instance ToSchema a => ToSchema (Replace a) where
 504   declareNamedSchema (_ :: Proxy (Replace a)) = do
 505     -- TODO Keep constructor is not supported here.
 506     aSchema <- declareSchemaRef (Proxy :: Proxy a)
 507     return $ NamedSchema (Just "Replace") $ mempty
 508       & type_ ?~ SwaggerObject
 509       & properties .~
 510           InsOrdHashMap.fromList
 511           [ ("old", aSchema)
 512           , ("new", aSchema)
 513           ]
 514       & required .~ [ "old", "new" ]
 515
 516 data NgramsPatch =
 517      NgramsPatch { _patch_children :: PatchMSet NgramsTerm
 518                  , _patch_list     :: Replace ListType   -- TODO Map UserId ListType
 519                  }
 520       deriving (Eq, Show, Generic)
 521
 522 deriveJSON (unPrefix "_") ''NgramsPatch
 523 makeLenses ''NgramsPatch
 524
 525 instance ToSchema  NgramsPatch where
 526   declareNamedSchema = genericDeclareNamedSchema (unPrefixSwagger "_")
 527
 528 instance Arbitrary NgramsPatch where
 529   arbitrary = NgramsPatch <$> arbitrary <*> (replace <$> arbitrary <*> arbitrary)
 530
 531 instance Serialise NgramsPatch
 532 instance Serialise (Replace ListType)
 533 instance Serialise ListType
 534
 535 type NgramsPatchIso = PairPatch (PatchMSet NgramsTerm) (Replace ListType)
 536
 537 _NgramsPatch :: Iso' NgramsPatch NgramsPatchIso
 538 _NgramsPatch = iso (\(NgramsPatch c l) -> c :*: l) (\(c :*: l) -> NgramsPatch c l)
 539
 540 instance Semigroup NgramsPatch where
 541   p <> q = _NgramsPatch # (p ^. _NgramsPatch <> q ^. _NgramsPatch)
 542
 543 instance Monoid NgramsPatch where
 544   mempty = _NgramsPatch # mempty
 545
 546 instance Validity NgramsPatch where
 547   validate p = p ^. _NgramsPatch . to validate
 548
 549 instance Transformable NgramsPatch where
 550   transformable p q = transformable (p ^. _NgramsPatch) (q ^. _NgramsPatch)
 551
 552   conflicts p q = conflicts (p ^. _NgramsPatch) (q ^. _NgramsPatch)
 553
 554   transformWith conflict p q = (_NgramsPatch # p', _NgramsPatch # q')
 555     where
 556       (p', q') = transformWith conflict (p ^. _NgramsPatch) (q ^. _NgramsPatch)
 557
 558 type ConflictResolutionNgramsPatch =
 559   ( ConflictResolutionPatchMSet NgramsTerm
 560   , ConflictResolutionReplace ListType
 561   )
 562 type instance ConflictResolution NgramsPatch =
 563   ConflictResolutionNgramsPatch
 564
 565 type PatchedNgramsPatch = (Set NgramsTerm, ListType)
 566   -- ~ Patched NgramsPatchIso
 567 type instance Patched NgramsPatch = PatchedNgramsPatch
 568
 569 instance Applicable NgramsPatch (Maybe NgramsRepoElement) where
 570   applicable p Nothing   = check (p == mempty) "NgramsPatch should be empty here"
 571   applicable p (Just nre) =
 572     applicable (p ^. patch_children) (nre ^. nre_children) <>
 573     applicable (p ^. patch_list)     (nre ^. nre_list)
 574
 575 instance Action NgramsPatch NgramsRepoElement where
 576   act p = (nre_children %~ act (p ^. patch_children))
 577         . (nre_list     %~ act (p ^. patch_list))
 578
 579 instance Action NgramsPatch (Maybe NgramsRepoElement) where
 580   act = fmap . act
 581
 582 newtype NgramsTablePatch = NgramsTablePatch (PatchMap NgramsTerm NgramsPatch)
 583   deriving (Eq, Show, Generic, ToJSON, FromJSON, Semigroup, Monoid, Validity, Transformable)
 584
 585 instance Serialise NgramsTablePatch
 586 instance Serialise (PatchMap NgramsTerm NgramsPatch)
 587
 588 instance FromField NgramsTablePatch
 589   where
 590     fromField = fromField'
 591
 592 instance FromField (PatchMap TableNgrams.NgramsType (PatchMap NodeId NgramsTablePatch))
 593   where
 594     fromField = fromField'
 595
 596 --instance (Ord k, Action pv (Maybe v)) => Action (PatchMap k pv) (Map k v) where
 597 --
 598 type instance ConflictResolution NgramsTablePatch =
 599   NgramsTerm -> ConflictResolutionNgramsPatch
 600
 601 type PatchedNgramsTablePatch = Map NgramsTerm PatchedNgramsPatch
 602   -- ~ Patched (PatchMap NgramsTerm NgramsPatch)
 603 type instance Patched NgramsTablePatch = PatchedNgramsTablePatch
 604
 605 makePrisms ''NgramsTablePatch
 606 instance ToSchema  (PatchMap NgramsTerm NgramsPatch)
 607 instance ToSchema  NgramsTablePatch
 608
 609 instance Applicable NgramsTablePatch (Maybe NgramsTableMap) where
 610   applicable p = applicable (p ^. _NgramsTablePatch)
 611
 612 instance Action NgramsTablePatch (Maybe NgramsTableMap) where
 613   act p =
 614     fmap (execState (reParentNgramsTablePatch p)) .
 615     act (p ^. _NgramsTablePatch)
 616
 617 instance Arbitrary NgramsTablePatch where
 618   arbitrary = NgramsTablePatch <$> PM.fromMap <$> arbitrary
 619
 620 -- Should it be less than an Lens' to preserve PatchMap's abstraction.
 621 -- ntp_ngrams_patches :: Lens' NgramsTablePatch (Map NgramsTerm NgramsPatch)
 622 -- ntp_ngrams_patches = _NgramsTablePatch .  undefined
 623
 624 type ReParent a = forall m. MonadState NgramsTableMap m => a -> m ()
 625
 626 reRootChildren :: NgramsTerm -> ReParent NgramsTerm
 627 reRootChildren root ngram = do
 628   nre <- use $ at ngram
 629   forOf_ (_Just . nre_children . folded) nre $ \child -> do
 630     at child . _Just . nre_root ?= root
 631     reRootChildren root child
 632
 633 reParent :: Maybe RootParent -> ReParent NgramsTerm
 634 reParent rp child = do
 635   at child . _Just %= ( (nre_parent .~ (_rp_parent <$> rp))
 636                       . (nre_root   .~ (_rp_root   <$> rp))
 637                       )
 638   reRootChildren (fromMaybe child (rp ^? _Just . rp_root)) child
 639
 640 reParentAddRem :: RootParent -> NgramsTerm -> ReParent AddRem
 641 reParentAddRem rp child p =
 642   reParent (if isRem p then Nothing else Just rp) child
 643
 644 reParentNgramsPatch :: NgramsTerm -> ReParent NgramsPatch
 645 reParentNgramsPatch parent ngramsPatch = do
 646   root_of_parent <- use (at parent . _Just . nre_root)
 647   let
 648     root = fromMaybe parent root_of_parent
 649     rp   = RootParent { _rp_root = root, _rp_parent = parent }
 650   itraverse_ (reParentAddRem rp) (ngramsPatch ^. patch_children . _PatchMSet . _PatchMap)
 651   -- TODO FoldableWithIndex/TraversableWithIndex for PatchMap
 652
 653 reParentNgramsTablePatch :: ReParent NgramsTablePatch
 654 reParentNgramsTablePatch p = itraverse_ reParentNgramsPatch (p ^. _NgramsTablePatch. _PatchMap)
 655   -- TODO FoldableWithIndex/TraversableWithIndex for PatchMap
 656
 657 ------------------------------------------------------------------------
 658 ------------------------------------------------------------------------
 659 type Version = Int
 660
 661 data Versioned a = Versioned
 662   { _v_version :: Version
 663   , _v_data    :: a
 664   }
 665   deriving (Generic, Show, Eq)
 666 deriveJSON (unPrefix "_v_") ''Versioned
 667 makeLenses ''Versioned
 668 instance ToSchema a => ToSchema (Versioned a) where
 669   declareNamedSchema = genericDeclareNamedSchema (unPrefixSwagger "_v_")
 670 instance Arbitrary a => Arbitrary (Versioned a) where
 671   arbitrary = Versioned 1 <$> arbitrary -- TODO 1 is constant so far
 672
 673
 674 {-
 675 -- TODO sequences of modifications (Patchs)
 676 type NgramsIdPatch = Patch NgramsId NgramsPatch
 677
 678 ngramsPatch :: Int -> NgramsPatch
 679 ngramsPatch n = NgramsPatch (DM.fromList [(1, StopTerm)]) (Set.fromList [n]) Set.empty
 680
 681 toEdit :: NgramsId -> NgramsPatch -> Edit NgramsId NgramsPatch
 682 toEdit n p = Edit n p
 683 ngramsIdPatch :: Patch NgramsId NgramsPatch
 684 ngramsIdPatch = fromList $ catMaybes $ reverse [ replace (1::NgramsId) (Just $ ngramsPatch 1) Nothing
 685                                        , replace (1::NgramsId) Nothing (Just $ ngramsPatch 2)
 686                                        , replace (2::NgramsId) Nothing (Just $ ngramsPatch 2)
 687                                        ]
 688
 689 -- applyPatchBack :: Patch -> IO Patch
 690 -- isEmptyPatch = Map.all (\x -> Set.isEmpty (add_children x) && Set.isEmpty ... )
 691 -}
 692 ------------------------------------------------------------------------
 693 ------------------------------------------------------------------------
 694 ------------------------------------------------------------------------
 695
 696 {-
 697 -- TODO: Replace.old is ignored which means that if the current list
 698 -- `GraphTerm` and that the patch is `Replace CandidateTerm StopTerm` then
 699 -- the list is going to be `StopTerm` while it should keep `GraphTerm`.
 700 -- However this should not happen in non conflicting situations.
 701 mkListsUpdate :: NgramsType -> NgramsTablePatch -> [(NgramsTypeId, NgramsTerm, ListTypeId)]
 702 mkListsUpdate nt patches =
 703   [ (ngramsTypeId nt, ng, listTypeId lt)
 704   | (ng, patch) <- patches ^.. ntp_ngrams_patches . ifolded . withIndex
 705   , lt <- patch ^.. patch_list . new
 706   ]
 707
 708 mkChildrenGroups :: (PatchSet NgramsTerm -> Set NgramsTerm)
 709                  -> NgramsType
 710                  -> NgramsTablePatch
 711                  -> [(NgramsTypeId, NgramsParent, NgramsChild)]
 712 mkChildrenGroups addOrRem nt patches =
 713   [ (ngramsTypeId nt, parent, child)
 714   | (parent, patch) <- patches ^.. ntp_ngrams_patches . ifolded . withIndex
 715   , child <- patch ^.. patch_children . to addOrRem . folded
 716   ]
 717 -}
 718
 719 ngramsTypeFromTabType :: TabType -> TableNgrams.NgramsType
 720 ngramsTypeFromTabType tabType =
 721   let lieu = "Garg.API.Ngrams: " :: Text in
 722     case tabType of
 723       Sources    -> TableNgrams.Sources
 724       Authors    -> TableNgrams.Authors
 725       Institutes -> TableNgrams.Institutes
 726       Terms      -> TableNgrams.NgramsTerms
 727       _          -> panic $ lieu <> "No Ngrams for this tab"
 728       -- TODO: This `panic` would disapear with custom NgramsType.
 729
 730 ------------------------------------------------------------------------
 731 data Repo s p = Repo
 732   { _r_version :: Version
 733   , _r_state   :: s
 734   , _r_history :: [p]
 735     -- first patch in the list is the most recent
 736   }
 737   deriving (Generic)
 738
 739 instance (FromJSON s, FromJSON p) => FromJSON (Repo s p) where
 740   parseJSON = genericParseJSON $ unPrefix "_r_"
 741
 742 instance (ToJSON s, ToJSON p) => ToJSON (Repo s p) where
 743   toJSON     = genericToJSON     $ unPrefix "_r_"
 744   toEncoding = genericToEncoding $ unPrefix "_r_"
 745
 746 instance (Serialise s, Serialise p) => Serialise (Repo s p)
 747
 748 makeLenses ''Repo
 749
 750 initRepo :: Monoid s => Repo s p
 751 initRepo = Repo 1 mempty []
 752
 753 type NgramsRepo       = Repo NgramsState NgramsStatePatch
 754 type NgramsState      = Map      TableNgrams.NgramsType (Map NodeId NgramsTableMap)
 755 type NgramsStatePatch = PatchMap TableNgrams.NgramsType (PatchMap NodeId NgramsTablePatch)
 756
 757 instance Serialise (PM.PatchMap NodeId NgramsTablePatch)
 758 instance Serialise NgramsStatePatch
 759
 760 initMockRepo :: NgramsRepo
 761 initMockRepo = Repo 1 s []
 762   where
 763     s = Map.singleton TableNgrams.NgramsTerms
 764       $ Map.singleton 47254
 765       $ Map.fromList
 766       [ (n ^. ne_ngrams, ngramsElementToRepo n) | n <- mockTable ^. _NgramsTable ]
 767
 768 data RepoEnv = RepoEnv
 769   { _renv_var   :: !(MVar NgramsRepo)
 770   , _renv_saver :: !(IO ())
 771   , _renv_lock  :: !FileLock
 772   }
 773   deriving (Generic)
 774
 775 makeLenses ''RepoEnv
 776
 777 class HasRepoVar env where
 778   repoVar :: Getter env (MVar NgramsRepo)
 779
 780 instance HasRepoVar (MVar NgramsRepo) where
 781   repoVar = identity
 782
 783 class HasRepoSaver env where
 784   repoSaver :: Getter env (IO ())
 785
 786 class (HasRepoVar env, HasRepoSaver env) => HasRepo env where
 787   repoEnv :: Getter env RepoEnv
 788
 789 instance HasRepo RepoEnv where
 790   repoEnv = identity
 791
 792 instance HasRepoVar RepoEnv where
 793   repoVar = renv_var
 794
 795 instance HasRepoSaver RepoEnv where
 796   repoSaver = renv_saver
 797
 798 type RepoCmdM   env err m =
 799   ( MonadReader env     m
 800   , MonadError      err m
 801   , MonadBaseControl IO m
 802   , HasRepo     env
 803   )
 804 ------------------------------------------------------------------------
 805
 806 saveRepo :: ( MonadReader env m, MonadBase IO m, HasRepoSaver env )
 807          => m ()
 808 saveRepo = liftBase =<< view repoSaver
 809
 810 listTypeConflictResolution :: ListType -> ListType -> ListType
 811 listTypeConflictResolution _ _ = undefined -- TODO Use Map User ListType
 812
 813 ngramsStatePatchConflictResolution
 814   :: TableNgrams.NgramsType
 815   -> NodeId
 816   -> NgramsTerm
 817   -> ConflictResolutionNgramsPatch
 818 ngramsStatePatchConflictResolution _ngramsType _nodeId _ngramsTerm
 819   = (const ours, ours)
 820   -- undefined {- TODO think this through -}, listTypeConflictResolution)
 821
 822 -- Current state:
 823 --   Insertions are not considered as patches,
 824 --   they do not extend history,
 825 --   they do not bump version.
 826 insertNewOnly :: a -> Maybe b -> a
 827 insertNewOnly m = maybe m (const $ error "insertNewOnly: impossible")
 828   -- TODO error handling
 829
 830 something :: Monoid a => Maybe a -> a
 831 something Nothing  = mempty
 832 something (Just a) = a
 833
 834 {- unused
 835 -- TODO refactor with putListNgrams
 836 copyListNgrams :: RepoCmdM env err m
 837                => NodeId -> NodeId -> NgramsType
 838                -> m ()
 839 copyListNgrams srcListId dstListId ngramsType = do
 840   var <- view repoVar
 841   liftBase $ modifyMVar_ var $
 842     pure . (r_state . at ngramsType %~ (Just . f . something))
 843   saveRepo
 844   where
 845     f :: Map NodeId NgramsTableMap -> Map NodeId NgramsTableMap
 846     f m = m & at dstListId %~ insertNewOnly (m ^. at srcListId)
 847
 848 -- TODO refactor with putListNgrams
 849 -- The list must be non-empty!
 850 -- The added ngrams must be non-existent!
 851 addListNgrams :: RepoCmdM env err m
 852               => NodeId -> NgramsType
 853               -> [NgramsElement] -> m ()
 854 addListNgrams listId ngramsType nes = do
 855   var <- view repoVar
 856   liftBase $ modifyMVar_ var $
 857     pure . (r_state . at ngramsType . _Just . at listId . _Just <>~ m)
 858   saveRepo
 859   where
 860     m = Map.fromList $ (\n -> (n ^. ne_ngrams, n)) <$> nes
 861 -}
 862
 863 rmListNgrams ::  RepoCmdM env err m
 864               => ListId
 865               -> TableNgrams.NgramsType
 866               -> m ()
 867 rmListNgrams l nt = setListNgrams l nt mempty
 868
 869 -- | TODO: incr the Version number
 870 -- && should use patch
 871 setListNgrams ::  RepoCmdM env err m
 872               => NodeId
 873               -> TableNgrams.NgramsType
 874               -> Map NgramsTerm NgramsRepoElement
 875               -> m ()
 876 setListNgrams listId ngramsType ns = do
 877   var <- view repoVar
 878   liftBase $ modifyMVar_ var $
 879     pure . ( r_state
 880            . at ngramsType %~
 881              (Just .
 882                (at listId .~ ( Just ns))
 883                . something
 884              )
 885            )
 886   saveRepo
 887
 888
 889 -- If the given list of ngrams elements contains ngrams already in
 890 -- the repo, they will be ignored.
 891 putListNgrams :: RepoCmdM env err m
 892               => NodeId
 893               -> TableNgrams.NgramsType
 894               -> [NgramsElement] -> m ()
 895 putListNgrams _ _ [] = pure ()
 896 putListNgrams listId ngramsType nes = putListNgrams' listId ngramsType m
 897   where
 898     m = Map.fromList $ map (\n -> (n ^. ne_ngrams, ngramsElementToRepo n)) nes
 899
 900 putListNgrams' :: RepoCmdM env err m
 901                => ListId
 902                -> TableNgrams.NgramsType
 903                -> Map NgramsTerm NgramsRepoElement
 904                -> m ()
 905 putListNgrams' listId ngramsType ns = do
 906   -- printDebug "putListNgrams" (length nes)
 907   var <- view repoVar
 908   liftBase $ modifyMVar_ var $
 909     pure . ( r_state
 910            . at ngramsType %~
 911              (Just .
 912                (at listId %~
 913                  ( Just
 914                  . (<> ns)
 915                  . something
 916                  )
 917                )
 918                . something
 919              )
 920            )
 921   saveRepo
 922
 923
 924 -- TODO-ACCESS check
 925 tableNgramsPost :: RepoCmdM env err m
 926                 => TabType
 927                 -> NodeId
 928                 -> Maybe ListType
 929                 -> [NgramsTerm] -> m ()
 930 tableNgramsPost tabType listId mayList =
 931   putListNgrams listId (ngramsTypeFromTabType tabType) . fmap (newNgramsElement mayList)
 932
 933 currentVersion :: RepoCmdM env err m
 934                => m Version
 935 currentVersion = do
 936   var <- view repoVar
 937   r   <- liftBase $ readMVar var
 938   pure $ r ^. r_version
 939
 940 tableNgramsPull :: RepoCmdM env err m
 941                 => ListId
 942                 -> TableNgrams.NgramsType
 943                 -> Version
 944                 -> m (Versioned NgramsTablePatch)
 945 tableNgramsPull listId ngramsType p_version = do
 946   var <- view repoVar
 947   r <- liftBase $ readMVar var
 948
 949   let
 950     q = mconcat $ take (r ^. r_version - p_version) (r ^. r_history)
 951     q_table = q ^. _PatchMap . at ngramsType . _Just . _PatchMap . at listId . _Just
 952
 953   pure (Versioned (r ^. r_version) q_table)
 954
 955 -- Apply the given patch to the DB and returns the patch to be applied on the
 956 -- client.
 957 -- TODO-ACCESS check
 958 tableNgramsPut :: (HasInvalidError err, RepoCmdM env err m)
 959                  => TabType -> ListId
 960                  -> Versioned NgramsTablePatch
 961                  -> m (Versioned NgramsTablePatch)
 962 tableNgramsPut tabType listId (Versioned p_version p_table)
 963   | p_table == mempty = do
 964       let ngramsType        = ngramsTypeFromTabType tabType
 965       tableNgramsPull listId ngramsType p_version
 966
 967   | otherwise         = do
 968       let ngramsType        = ngramsTypeFromTabType tabType
 969           (p0, p0_validity) = PM.singleton listId p_table
 970           (p, p_validity)   = PM.singleton ngramsType p0
 971
 972       assertValid p0_validity
 973       assertValid p_validity
 974
 975       var <- view repoVar
 976       vq' <- liftBase $ modifyMVar var $ \r -> do
 977         let
 978           q = mconcat $ take (r ^. r_version - p_version) (r ^. r_history)
 979           (p', q') = transformWith ngramsStatePatchConflictResolution p q
 980           r' = r & r_version +~ 1
 981                 & r_state   %~ act p'
 982                 & r_history %~ (p' :)
 983           q'_table = q' ^. _PatchMap . at ngramsType . _Just . _PatchMap . at listId . _Just
 984         {-
 985         -- Ideally we would like to check these properties. However:
 986         -- * They should be checked only to debug the code. The client data
 987         --   should be able to trigger these.
 988         -- * What kind of error should they throw (we are in IO here)?
 989         -- * Should we keep modifyMVar?
 990         -- * Should we throw the validation in an Exception, catch it around
 991         --   modifyMVar and throw it back as an Error?
 992         assertValid $ transformable p q
 993         assertValid $ applicable p' (r ^. r_state)
 994         -}
 995         pure (r', Versioned (r' ^. r_version) q'_table)
 996
 997       saveRepo
 998       pure vq'
 999
1000 mergeNgramsElement :: NgramsRepoElement -> NgramsRepoElement -> NgramsRepoElement
1001 mergeNgramsElement _neOld neNew = neNew
1002   {-
1003   { _ne_list        :: ListType
1004   If we merge the parents/children we can potentially create cycles!
1005   , _ne_parent      :: Maybe NgramsTerm
1006   , _ne_children    :: MSet NgramsTerm
1007   }
1008   -}
1009
1010 getNgramsTableMap :: RepoCmdM env err m
1011                   => ListId
1012                   -> TableNgrams.NgramsType
1013                   -> m (Versioned NgramsTableMap)
1014 getNgramsTableMap nodeId ngramsType = do
1015   v    <- view repoVar
1016   repo <- liftBase $ readMVar v
1017   pure $ Versioned (repo ^. r_version)
1018                    (repo ^. r_state . at ngramsType . _Just . at nodeId . _Just)
1019
1020 type MinSize = Int
1021 type MaxSize = Int
1022
1023 -- | TODO Errors management
1024 --  TODO: polymorphic for Annuaire or Corpus or ...
1025 -- | Table of Ngrams is a ListNgrams formatted (sorted and/or cut).
1026 -- TODO: should take only one ListId
1027
1028 getTime' :: MonadBase IO m => m TimeSpec
1029 getTime' = liftBase $ getTime ProcessCPUTime
1030
1031
1032 getTableNgrams :: forall env err m.
1033                   (RepoCmdM env err m, HasNodeError err, HasConnectionPool env)
1034                => NodeType -> NodeId -> TabType
1035                -> ListId -> Limit -> Maybe Offset
1036                -> Maybe ListType
1037                -> Maybe MinSize -> Maybe MaxSize
1038                -> Maybe OrderBy
1039                -> (NgramsTerm -> Bool)
1040                -> m (Versioned NgramsTable)
1041 getTableNgrams _nType nId tabType listId limit_ offset
1042                listType minSize maxSize orderBy searchQuery = do
1043
1044   t0 <- getTime'
1045   -- lIds <- selectNodesWithUsername NodeList userMaster
1046   let
1047     ngramsType = ngramsTypeFromTabType tabType
1048     offset'  = maybe 0 identity offset
1049     listType' = maybe (const True) (==) listType
1050     minSize'  = maybe (const True) (<=) minSize
1051     maxSize'  = maybe (const True) (>=) maxSize
1052
1053     selected_node n = minSize'     s
1054                    && maxSize'     s
1055                    && searchQuery  (n ^. ne_ngrams)
1056                    && listType'    (n ^. ne_list)
1057       where
1058         s = n ^. ne_size
1059
1060     selected_inner roots n = maybe False (`Set.member` roots) (n ^. ne_root)
1061
1062     ---------------------------------------
1063     sortOnOrder Nothing = identity
1064     sortOnOrder (Just TermAsc)   = List.sortOn $ view ne_ngrams
1065     sortOnOrder (Just TermDesc)  = List.sortOn $ Down . view ne_ngrams
1066     sortOnOrder (Just ScoreAsc)  = List.sortOn $ view ne_occurrences
1067     sortOnOrder (Just ScoreDesc) = List.sortOn $ Down . view ne_occurrences
1068
1069     ---------------------------------------
1070     selectAndPaginate :: Map NgramsTerm NgramsElement -> [NgramsElement]
1071     selectAndPaginate tableMap = roots <> inners
1072       where
1073         list = tableMap ^.. each
1074         rootOf ne = maybe ne (\r -> fromMaybe (panic "getTableNgrams: invalid root") (tableMap ^. at r))
1075                              (ne ^. ne_root)
1076         selected_nodes = list & take limit_
1077                               . drop offset'
1078                               . filter selected_node
1079                               . sortOnOrder orderBy
1080         roots = rootOf <$> selected_nodes
1081         rootsSet = Set.fromList (_ne_ngrams <$> roots)
1082         inners = list & filter (selected_inner rootsSet)
1083
1084     ---------------------------------------
1085     setScores :: forall t. Each t t NgramsElement NgramsElement => Bool -> t -> m t
1086     setScores False table = pure table
1087     setScores True  table = do
1088       let ngrams_terms = (table ^.. each . ne_ngrams)
1089       t1 <- getTime'
1090       occurrences <- getOccByNgramsOnlyFast' nId
1091                                              listId
1092                                             ngramsType
1093                                             ngrams_terms
1094       t2 <- getTime'
1095       liftBase $ hprint stderr
1096         ("getTableNgrams/setScores #ngrams=" % int % " time=" % timeSpecs % "\n")
1097         (length ngrams_terms) t1 t2
1098       {-
1099       occurrences <- getOccByNgramsOnlySlow nType nId
1100                                             (lIds <> [listId])
1101                                             ngramsType
1102                                             ngrams_terms
1103       -}
1104       let
1105         setOcc ne = ne & ne_occurrences .~ sumOf (at (ne ^. ne_ngrams) . _Just) occurrences
1106
1107       pure $ table & each %~ setOcc
1108     ---------------------------------------
1109
1110   -- lists <- catMaybes <$> listsWith userMaster
1111   -- trace (show lists) $
1112   -- getNgramsTableMap ({-lists <>-} listIds) ngramsType
1113
1114   let scoresNeeded = needsScores orderBy
1115   tableMap1 <- getNgramsTableMap listId ngramsType
1116   t1 <- getTime'
1117   tableMap2 <- tableMap1 & v_data %%~ setScores scoresNeeded
1118                                     . Map.mapWithKey ngramsElementFromRepo
1119   t2 <- getTime'
1120   tableMap3 <- tableMap2 & v_data %%~ fmap NgramsTable
1121                                     . setScores (not scoresNeeded)
1122                                     . selectAndPaginate
1123   t3 <- getTime'
1124   liftBase $ hprint stderr
1125             ("getTableNgrams total=" % timeSpecs
1126                           % " map1=" % timeSpecs
1127                           % " map2=" % timeSpecs
1128                           % " map3=" % timeSpecs
1129                           % " sql="  % (if scoresNeeded then "map2" else "map3")
1130                           % "\n"
1131             ) t0 t3 t0 t1 t1 t2 t2 t3
1132   pure tableMap3
1133
1134
1135 scoresRecomputeTableNgrams :: forall env err m. (RepoCmdM env err m, HasNodeError err, HasConnectionPool env) => NodeId -> TabType -> ListId -> m Int
1136 scoresRecomputeTableNgrams nId tabType listId = do
1137   tableMap <- getNgramsTableMap listId ngramsType
1138   _ <- tableMap & v_data %%~ setScores
1139                            . Map.mapWithKey ngramsElementFromRepo
1140
1141   pure $ 1
1142   where
1143     ngramsType = ngramsTypeFromTabType tabType
1144
1145     setScores :: forall t. Each t t NgramsElement NgramsElement => t -> m t
1146     setScores table = do
1147       let ngrams_terms = (table ^.. each . ne_ngrams)
1148       occurrences <- getOccByNgramsOnlyFast' nId
1149                                              listId
1150                                             ngramsType
1151                                             ngrams_terms
1152       let
1153         setOcc ne = ne & ne_occurrences .~ sumOf (at (ne ^. ne_ngrams) . _Just) occurrences
1154
1155       pure $ table & each %~ setOcc
1156
1157
1158
1159 -- APIs
1160
1161 -- TODO: find a better place for the code above, All APIs stay here
1162 type QueryParamR = QueryParam' '[Required, Strict]
1163
1164 data OrderBy = TermAsc | TermDesc | ScoreAsc | ScoreDesc
1165              deriving (Generic, Enum, Bounded, Read, Show)
1166
1167 instance FromHttpApiData OrderBy
1168   where
1169     parseUrlPiece "TermAsc"   = pure TermAsc
1170     parseUrlPiece "TermDesc"  = pure TermDesc
1171     parseUrlPiece "ScoreAsc"  = pure ScoreAsc
1172     parseUrlPiece "ScoreDesc" = pure ScoreDesc
1173     parseUrlPiece _           = Left "Unexpected value of OrderBy"
1174
1175
1176 instance ToParamSchema OrderBy
1177 instance FromJSON  OrderBy
1178 instance ToJSON    OrderBy
1179 instance ToSchema  OrderBy
1180 instance Arbitrary OrderBy
1181   where
1182     arbitrary = elements [minBound..maxBound]
1183
1184 needsScores :: Maybe OrderBy -> Bool
1185 needsScores (Just ScoreAsc)  = True
1186 needsScores (Just ScoreDesc) = True
1187 needsScores _ = False
1188
1189 type TableNgramsApiGet = Summary " Table Ngrams API Get"
1190                       :> QueryParamR "ngramsType"  TabType
1191                       :> QueryParamR "list"        ListId
1192                       :> QueryParamR "limit"       Limit
1193                       :> QueryParam  "offset"      Offset
1194                       :> QueryParam  "listType"    ListType
1195                       :> QueryParam  "minTermSize" MinSize
1196                       :> QueryParam  "maxTermSize" MaxSize
1197                       :> QueryParam  "orderBy"     OrderBy
1198                       :> QueryParam  "search"      Text
1199                       :> Get    '[JSON] (Versioned NgramsTable)
1200
1201 type TableNgramsApiPut = Summary " Table Ngrams API Change"
1202                        :> QueryParamR "ngramsType" TabType
1203                        :> QueryParamR "list"       ListId
1204                        :> ReqBody '[JSON] (Versioned NgramsTablePatch)
1205                        :> Put     '[JSON] (Versioned NgramsTablePatch)
1206
1207 type TableNgramsApiPost = Summary " Table Ngrams API Adds new ngrams"
1208                        :> QueryParamR "ngramsType" TabType
1209                        :> QueryParamR "list"       ListId
1210                        :> QueryParam  "listType"   ListType
1211                        :> ReqBody '[JSON] [NgramsTerm]
1212                        :> Post    '[JSON] ()
1213
1214 type RecomputeScoresNgramsApiGet = Summary " Recompute scores for ngrams table"
1215                        :> QueryParamR "ngramsType"  TabType
1216                        :> QueryParamR "list"        ListId
1217                        :> "recompute" :> Post '[JSON] Int
1218
1219 type TableNgramsApi =  TableNgramsApiGet
1220                   :<|> TableNgramsApiPut
1221                   :<|> TableNgramsApiPost
1222                   :<|> RecomputeScoresNgramsApiGet
1223
1224 getTableNgramsCorpus :: (RepoCmdM env err m, HasNodeError err, HasConnectionPool env)
1225                => NodeId -> TabType
1226                -> ListId -> Limit -> Maybe Offset
1227                -> Maybe ListType
1228                -> Maybe MinSize -> Maybe MaxSize
1229                -> Maybe OrderBy
1230                -> Maybe Text -- full text search
1231                -> m (Versioned NgramsTable)
1232 getTableNgramsCorpus nId tabType listId limit_ offset listType minSize maxSize orderBy mt =
1233   getTableNgrams NodeCorpus nId tabType listId limit_ offset listType minSize maxSize orderBy searchQuery
1234     where
1235       searchQuery = maybe (const True) isInfixOf mt
1236
1237 -- | Text search is deactivated for now for ngrams by doc only
1238 getTableNgramsDoc :: (RepoCmdM env err m, HasNodeError err, HasConnectionPool env)
1239                => DocId -> TabType
1240                -> ListId -> Limit -> Maybe Offset
1241                -> Maybe ListType
1242                -> Maybe MinSize -> Maybe MaxSize
1243                -> Maybe OrderBy
1244                -> Maybe Text -- full text search
1245                -> m (Versioned NgramsTable)
1246 getTableNgramsDoc dId tabType listId limit_ offset listType minSize maxSize orderBy _mt = do
1247   ns <- selectNodesWithUsername NodeList userMaster
1248   let ngramsType = ngramsTypeFromTabType tabType
1249   ngs <- selectNgramsByDoc (ns <> [listId]) dId ngramsType
1250   let searchQuery = flip S.member (S.fromList ngs)
1251   getTableNgrams NodeDocument dId tabType listId limit_ offset listType minSize maxSize orderBy searchQuery
1252
1253
1254
1255 apiNgramsTableCorpus :: ( RepoCmdM env err m
1256                         , HasNodeError err
1257                         , HasInvalidError err
1258                         , HasConnectionPool env
1259                         )
1260                      => NodeId -> ServerT TableNgramsApi m
1261 apiNgramsTableCorpus cId =  getTableNgramsCorpus cId
1262                        :<|> tableNgramsPut
1263                        :<|> tableNgramsPost
1264                        :<|> scoresRecomputeTableNgrams cId
1265
1266 apiNgramsTableDoc :: ( RepoCmdM env err m
1267                      , HasNodeError err
1268                      , HasInvalidError err
1269                      , HasConnectionPool env
1270                      )
1271                   => DocId -> ServerT TableNgramsApi m
1272 apiNgramsTableDoc dId =  getTableNgramsDoc dId
1273                     :<|> tableNgramsPut
1274                     :<|> tableNgramsPost
1275                     :<|> scoresRecomputeTableNgrams dId
1276                     -- > add new ngrams in database (TODO AD)
1277                     -- > index all the corpus accordingly (TODO AD)
1278
1279 listNgramsChangedSince :: RepoCmdM env err m
1280                        => ListId -> TableNgrams.NgramsType -> Version -> m (Versioned Bool)
1281 listNgramsChangedSince listId ngramsType version
1282   | version < 0 =
1283       Versioned <$> currentVersion <*> pure True
1284   | otherwise   =
1285       tableNgramsPull listId ngramsType version & mapped . v_data %~ (== mempty)
1286
1287 -- Instances
1288 instance Arbitrary NgramsRepoElement where
1289   arbitrary = elements $ map ngramsElementToRepo ns
1290     where
1291       NgramsTable ns = mockTable
1292
1293 --{-
1294 instance FromHttpApiData (Map TableNgrams.NgramsType (Versioned NgramsTableMap))
1295   where
1296     parseUrlPiece x = maybeToEither x (decode $ cs x)