feat(users/Profpatsch/whatcd-resolver): INSERT red search results r/6415

Change-Id: Ice7fdb2e265cfb99734ed41d17b62ac98f7a4869
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8840
Reviewed-by: Profpatsch <mail@profpatsch.de>
Tested-by: BuildkiteCI

2 files changed, 232 insertions, 53 deletions

diff --git a/users/Profpatsch/whatcd-resolver/src/Postgres/MonadPostgres.hs b/users/Profpatsch/whatcd-resolver/src/Postgres/MonadPostgres.hs
index 9911f260a2..012cf0caac 100644
--- a/users/Profpatsch/whatcd-resolver/src/Postgres/MonadPostgres.hs
+++ b/users/Profpatsch/whatcd-resolver/src/Postgres/MonadPostgres.hs
@@ -3,6 +3,7 @@
 {-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE TypeFamilyDependencies #-}
 {-# LANGUAGE UndecidableInstances #-}
+{-# OPTIONS_GHC -Wno-orphans #-}
 
 module Postgres.MonadPostgres where
 
@@ -18,6 +19,10 @@ import Data.Typeable (Typeable)
 import Database.PostgreSQL.Simple (Connection, FormatError, FromRow, Query, QueryError, ResultError, SqlError, ToRow)
 import Database.PostgreSQL.Simple qualified as PG
 import Database.PostgreSQL.Simple.FromRow qualified as PG
+import Database.PostgreSQL.Simple.ToField (ToField)
+import Database.PostgreSQL.Simple.ToRow (ToRow (toRow))
+import Database.PostgreSQL.Simple.Types (fromQuery)
+import GHC.Records (HasField (..))
 import Label
 import PossehlAnalyticsPrelude
 import Postgres.Decoder
@@ -33,10 +38,15 @@ import UnliftIO.Process qualified as Process
 -- and will behave the same unless othewise documented.
 class Monad m => MonadPostgres (m :: Type -> Type) where
   -- | Execute an INSERT, UPDATE, or other SQL query that is not expected to return results.
-
+  --
   -- Returns the number of rows affected.
   execute :: (ToRow params, Typeable params) => Query -> params -> Transaction m (Label "numberOfRowsAffected" Natural)
 
+  -- | Execute an INSERT, UPDATE, or other SQL query that is not expected to return results. Does not perform parameter substitution.
+  --
+  -- Returns the number of rows affected.
+  execute_ :: Query -> Transaction m (Label "numberOfRowsAffected" Natural)
+
   -- | Execute a multi-row INSERT, UPDATE, or other SQL query that is not expected to return results.
   --
   -- Returns the number of rows affected. If the list of parameters is empty, this function will simply return 0 without issuing the query to the backend. If this is not desired, consider using the 'PG.Values' constructor instead.
@@ -45,7 +55,7 @@ class Monad m => MonadPostgres (m :: Type -> Type) where
   -- | Execute INSERT ... RETURNING, UPDATE ... RETURNING, or other SQL query that accepts multi-row input and is expected to return results. Note that it is possible to write query conn "INSERT ... RETURNING ..." ... in cases where you are only inserting a single row, and do not need functionality analogous to 'executeMany'.
   --
   -- If the list of parameters is empty, this function will simply return [] without issuing the query to the backend. If this is not desired, consider using the 'PG.Values' constructor instead.
-  executeManyReturning :: (ToRow q, FromRow r) => Query -> [q] -> Transaction m [r]
+  executeManyReturningWith :: (ToRow q) => Query -> [q] -> Decoder r -> Transaction m [r]
 
   -- | Run a query, passing parameters and result row parser.
   queryWith :: (PG.ToRow params, Typeable params, Typeable r) => PG.Query -> params -> Decoder r -> Transaction m [r]
@@ -145,27 +155,6 @@ ensureSingleRow = \case
             List.length more
         }
 
--- | A better `query`
---
--- Parameters are passed first,
--- then a Proxy which you should annotate with the return type of the query.
--- This way it’s right before the @SELECT@,
--- meaning it’s easy to see whether the two correspond.
---
--- TODO: maybe replace the query function in the class with this?
-queryBetter ::
-  ( MonadPostgres m,
-    ToRow params,
-    FromRow res,
-    Typeable params,
-    Typeable res
-  ) =>
-  params ->
-  Proxy res ->
-  Query ->
-  Transaction m [res]
-queryBetter params Proxy q = query q params
-
 newtype Transaction m a = Transaction {unTransaction :: (ReaderT Connection m a)}
   deriving newtype
     ( Functor,
@@ -251,11 +240,11 @@ toNumberOfRowsAffected functionName i64 =
     & liftIO
     <&> label @"numberOfRowsAffected"
 
-pgExecuteManyReturning :: (ToRow params, FromRow r, MonadUnliftIO m, MonadLogger m, MonadTools m) => Query -> [params] -> Transaction m [r]
-pgExecuteManyReturning qry params =
+pgExecuteManyReturningWith :: (ToRow params, MonadUnliftIO m, MonadLogger m, MonadTools m) => Query -> [params] -> Decoder r -> Transaction m [r]
+pgExecuteManyReturningWith qry params (Decoder fromRow) =
   do
     conn <- Transaction ask
-    PG.returning conn qry params
+    PG.returningWith fromRow conn qry params
       & handlePGException "executeManyReturning" qry (Right params)
 
 pgFold ::
@@ -324,6 +313,10 @@ data SingleRowError = SingleRowError
 instance Exception SingleRowError where
   displayException (SingleRowError {..}) = [fmt|Single row expected from SQL query result, {numberOfRowsReturned} rows were returned instead."|]
 
+pgFormatQueryNoParams' :: (MonadIO m, MonadLogger m, MonadTools m) => Query -> Transaction m Text
+pgFormatQueryNoParams' q =
+  lift $ pgFormatQueryByteString q.fromQuery
+
 pgFormatQuery' :: (MonadIO m, ToRow params, MonadLogger m, MonadTools m) => Query -> params -> Transaction m Text
 pgFormatQuery' q p =
   pgFormatQuery q p
@@ -375,3 +368,9 @@ pgFormatQueryByteString queryBytes = do
           )
         logDebug [fmt|pg_format stdout: stderr|]
         pure (queryBytes & bytesToTextUtf8Lenient)
+
+instance (ToField t1, ToField t2) => ToRow (T2 l1 t1 l2 t2) where
+  toRow t2 = toRow (getField @l1 t2, getField @l2 t2)
+
+instance (ToField t1, ToField t2, ToField t3) => ToRow (T3 l1 t1 l2 t2 l3 t3) where
+  toRow t3 = toRow (getField @l1 t3, getField @l2 t3, getField @l3 t3)
diff --git a/users/Profpatsch/whatcd-resolver/src/WhatcdResolver.hs b/users/Profpatsch/whatcd-resolver/src/WhatcdResolver.hs
index 0628b9b9ea..f79e4b0c6f 100644
--- a/users/Profpatsch/whatcd-resolver/src/WhatcdResolver.hs
+++ b/users/Profpatsch/whatcd-resolver/src/WhatcdResolver.hs
@@ -4,6 +4,7 @@
 
 module WhatcdResolver where
 
+import Control.Concurrent (threadDelay)
 import Control.Monad.Logger qualified as Logger
 import Control.Monad.Logger.CallStack
 import Control.Monad.Reader
@@ -16,11 +17,14 @@ import Data.Map.Strict qualified as Map
 import Data.Pool (Pool)
 import Data.Pool qualified as Pool
 import Data.Text qualified as Text
-import Data.Text.IO qualified as Text
+import Database.PostgreSQL.Simple (Only (..))
 import Database.PostgreSQL.Simple qualified as Postgres
+import Database.PostgreSQL.Simple.SqlQQ (sql)
+import Database.PostgreSQL.Simple.Types (PGArray (PGArray))
 import Database.PostgreSQL.Simple.Types qualified as Postgres
 import Database.Postgres.Temp qualified as TmpPg
 import FieldParser qualified as Field
+import GHC.Records (HasField (..))
 import Json qualified
 import Json.Enc (Enc)
 import Json.Enc qualified as Enc
@@ -46,6 +50,7 @@ data TransmissionRequest = TransmissionRequest
   }
   deriving stock (Show)
 
+requestListAllTorrents :: TransmissionRequest
 requestListAllTorrents =
   TransmissionRequest
     { method = "torrent-get",
@@ -132,23 +137,163 @@ doTransmissionRequest dat req = do
           Left err -> appThrowTree err
     _ -> liftIO $ unwrapIOError $ Left [fmt|Non-200 response: {showPretty resp}|]
 
-redactedSearch advanced = redactedApiRequest (T2 (label @"action" "browse") (label @"actionArgs" ((advanced <&> second Just))))
+redactedSearch ::
+  (MonadLogger m, MonadIO m, MonadThrow m) =>
+  [(ByteString, ByteString)] ->
+  Json.Parse ErrorTree a ->
+  m a
+redactedSearch advanced =
+  redactedApiRequest
+    ( T2
+        (label @"action" "browse")
+        (label @"actionArgs" ((advanced <&> second Just)))
+    )
 
+test :: IO (Either TmpPg.StartError a)
 test =
-  runAppWith $
-    redactedSearch
-      [ ("artistname", "michael jackson"),
-        ("year", "1982"),
-        ("format", "MP3"),
-        ("releasetype", "album"),
-        ("order_by", "year")
-      ]
-      <&> (fmap $ fromMaybe undefined)
-      <&> (Http.getResponseBody)
-      <&> showPrettyJson
-      >>= liftIO . Text.putStrLn
-
-redactedApiRequest dat = do
+  runAppWith $ do
+    _ <- runTransaction migrate
+    transaction <- bla
+    runTransaction transaction
+    fix
+      ( \io -> do
+          logInfo "delay"
+          liftIO $ threadDelay 10_000_000
+          io
+      )
+
+bla :: (MonadThrow m, MonadIO m, MonadLogger m, MonadPostgres m) => m (Transaction m [Label "numberOfRowsAffected" Natural])
+bla =
+  redactedSearch
+    [ ("searchstr", "cherish"),
+      ("artistname", "kirinji"),
+      -- ("year", "1982"),
+      -- ("format", "MP3"),
+      -- ("releasetype", "album"),
+      ("order_by", "year")
+    ]
+    ( do
+        status <- Json.key "status" Json.asText
+        when (status /= "success") $ do
+          Json.throwCustomError [fmt|Status was not "success", but {status}|]
+        Json.key "response" $ do
+          Json.key "results" $
+            sequence
+              <$> ( Json.eachInArray $ do
+                      groupId <- Json.key "groupId" (Json.asIntegral @_ @Int)
+                      groupName <- Json.key "groupName" Json.asText
+                      fullJsonResult <- Json.asValue
+                      let insertTourGroup = do
+                            _ <-
+                              execute
+                                [fmt|
+                                  DELETE FROM redacted.torrent_groups
+                                  WHERE group_id = ?::integer
+                              |]
+                                (Only groupId)
+                            executeManyReturningWith
+                              [fmt|
+                                INSERT INTO redacted.torrent_groups (
+                                  group_id, group_name, full_json_result
+                                ) VALUES
+                                ( ?, ? , ? )
+                                RETURNING (id)
+                              |]
+                              [ ( groupId,
+                                  groupName,
+                                  fullJsonResult
+                                )
+                              ]
+                              (label @"tourGroupIdPg" <$> Dec.fromField @Int)
+                              >>= ensureSingleRow
+                      insertTorrents <- Json.key "torrents" $ do
+                        torrents <- Json.eachInArray $ do
+                          torrentId <- Json.keyLabel @"torrentId" "torrentId" (Json.asIntegral @_ @Int)
+                          fullJsonResultT <- label @"fullJsonResult" <$> Json.asValue
+                          pure $ T2 torrentId fullJsonResultT
+                        pure $ \dat -> do
+                          _ <-
+                            execute
+                              [sql|
+                                  DELETE FROM redacted.torrents
+                                  WHERE torrent_id = ANY (?::integer[])
+                            |]
+                              (Only $ torrents & unzipT2 & (.torrentId) & PGArray)
+                          execute
+                            [sql|
+                                  INSERT INTO redacted.torrents
+                                        (torrent_id, torrent_group, full_json_result)
+                                  SELECT inputs.torrent_id, static.torrent_group, inputs.full_json_result FROM
+                                  (SELECT * FROM UNNEST(?::integer[], ?::jsonb[])) AS inputs(torrent_id, full_json_result)
+                                  CROSS JOIN (VALUES(?::integer)) as static(torrent_group)
+                            |]
+                            ( torrents
+                                & unzipT2
+                                & \t ->
+                                  ( t.torrentId & PGArray,
+                                    t.fullJsonResult & PGArray,
+                                    dat.tourGroupIdPg
+                                  )
+                            )
+                      pure (insertTourGroup >>= insertTorrents)
+                  )
+    )
+
+hush :: Either a1 a2 -> Maybe a2
+hush (Left _) = Nothing
+hush (Right a) = Just a
+
+unzipT2 :: forall l1 t1 l2 t2. [T2 l1 t1 l2 t2] -> T2 l1 [t1] l2 [t2]
+unzipT2 xs = xs <&> toTup & unzip & fromTup
+  where
+    toTup :: forall a b. T2 a t1 b t2 -> (t1, t2)
+    toTup (T2 a b) = (getField @a a, getField @b b)
+    fromTup :: (a, b) -> T2 l1 a l2 b
+    fromTup (t1, t2) = T2 (label @l1 t1) (label @l2 t2)
+
+unzipT3 :: forall l1 t1 l2 t2 l3 t3. [T3 l1 t1 l2 t2 l3 t3] -> T3 l1 [t1] l2 [t2] l3 [t3]
+unzipT3 xs = xs <&> toTup & unzip3 & fromTup
+  where
+    toTup :: forall a b c. T3 a t1 b t2 c t3 -> (t1, t2, t3)
+    toTup (T3 a b c) = (getField @a a, getField @b b, getField @c c)
+    fromTup :: (a, b, c) -> T3 l1 a l2 b l3 c
+    fromTup (t1, t2, t3) = T3 (label @l1 t1) (label @l2 t2) (label @l3 t3)
+
+migrate :: MonadPostgres m => Transaction m (Label "numberOfRowsAffected" Natural)
+migrate = do
+  execute_
+    [sql|
+    CREATE SCHEMA IF NOT EXISTS redacted;
+
+    CREATE TABLE IF NOT EXISTS redacted.torrent_groups (
+      id SERIAL PRIMARY KEY,
+      group_id INTEGER,
+      group_name TEXT,
+      full_json_result JSONB,
+      UNIQUE(group_id)
+    );
+
+    CREATE TABLE IF NOT EXISTS redacted.torrents (
+      id SERIAL PRIMARY KEY,
+      torrent_id INTEGER,
+      torrent_group SERIAL NOT NULL REFERENCES redacted.torrent_groups(id),
+      full_json_result JSONB,
+      UNIQUE(torrent_id)
+    );
+
+  |]
+
+redactedApiRequest ::
+  ( MonadThrow m,
+    MonadIO m,
+    MonadLogger m,
+    HasField "action" p ByteString,
+    HasField "actionArgs" p [(ByteString, Maybe ByteString)]
+  ) =>
+  p ->
+  Json.Parse ErrorTree a ->
+  m a
+redactedApiRequest dat parse = do
   authKey <- runCommandExpect0 "pass" ["internet/redacted/api-keys/whatcd-resolver"]
   let req =
         [fmt|https://redacted.ch/ajax.php|]
@@ -156,7 +301,20 @@ redactedApiRequest dat = do
           & Http.setQueryString (("action", Just dat.action) : dat.actionArgs)
           & Http.setRequestHeader "Authorization" [authKey]
   Http.httpBS req
-    <&> fmap (Json.decodeStrict' @Json.Value)
+    >>= assertM
+      ( \resp -> case resp & Http.responseStatus & (.statusCode) of
+          200 -> Right $ resp & Http.responseBody
+          _ -> Left [fmt|Redacted returned an non-200 error code: {resp & showPretty}|]
+      )
+    >>= ( Json.parseStrict parse
+            >>> first (Json.parseErrorTree "could not parse redacted response")
+            >>> assertM id
+        )
+
+assertM :: MonadThrow f => (t -> Either ErrorTree a) -> t -> f a
+assertM f v = case f v of
+  Right a -> pure a
+  Left err -> appThrowTree err
 
 runAppWith :: AppT IO a -> IO (Either TmpPg.StartError a)
 runAppWith appT = withDb $ \db -> do
@@ -170,12 +328,18 @@ runAppWith appT = withDb $ \db -> do
       {- unusedResourceOpenTime -} 10
       {- max resources per stripe -} 10
   transmissionSessionId <- newEmptyMVar
-  runReaderT appT.unAppT Context {..}
+  let newAppT = do
+        logInfo [fmt|Running with config: {showPretty config}|]
+        logInfo [fmt|Connected to database at {db & TmpPg.toDataDirectory} on socket {db & TmpPg.toConnectionString}|]
+        appT
+  runReaderT newAppT.unAppT Context {..}
 
 withDb :: (TmpPg.DB -> IO a) -> IO (Either TmpPg.StartError a)
 withDb act = do
   dataDir <- Xdg.getXdgDirectory Xdg.XdgData "whatcd-resolver"
   let databaseDir = dataDir </> "database"
+  let socketDir = dataDir </> "database-socket"
+  Dir.createDirectoryIfMissing True socketDir
   initDbConfig <-
     Dir.doesDirectoryExist databaseDir >>= \case
       True -> pure TmpPg.Zlich
@@ -186,6 +350,8 @@ withDb act = do
   let cfg =
         mempty
           { TmpPg.dataDirectory = TmpPg.Permanent (databaseDir),
+            TmpPg.socketDirectory = TmpPg.Permanent socketDir,
+            TmpPg.port = pure $ Just 5432,
             TmpPg.initDbConfig
           }
   TmpPg.withConfig cfg $ \db -> do
@@ -203,6 +369,8 @@ data Context = Context
 newtype AppT m a = AppT {unAppT :: ReaderT Context m a}
   deriving newtype (Functor, Applicative, Monad, MonadIO, MonadUnliftIO, MonadThrow)
 
+type App a = AppT IO a
+
 data AppException = AppException Text
   deriving stock (Show)
   deriving anyclass (Exception)
@@ -229,20 +397,24 @@ instance (MonadIO m) => MonadTransmission (AppT m) where
 instance (MonadThrow m, MonadUnliftIO m) => MonadPostgres (AppT m) where
   execute qry params = do
     conf <- lift $ AppT (asks (.config))
-    logQueryIfEnabled conf qry (Left params)
+    logQueryIfEnabled conf qry (HasSingleParam params)
     pgExecute qry params
+  execute_ qry = do
+    conf <- lift $ AppT (asks (.config))
+    logQueryIfEnabled @(Only Text) conf qry HasNoParams
+    pgExecute_ qry
   executeMany qry params = do
     conf <- lift $ AppT (asks (.config))
-    logQueryIfEnabled conf qry (Right params)
+    logQueryIfEnabled conf qry (HasMultiParams params)
     pgExecuteMany qry params
-  executeManyReturning qry params = do
+  executeManyReturningWith qry params dec = do
     conf <- lift $ AppT (asks (.config))
-    logQueryIfEnabled conf qry (Right params)
-    pgExecuteManyReturning qry params
+    logQueryIfEnabled conf qry (HasMultiParams params)
+    pgExecuteManyReturningWith qry params dec
 
   queryWith qry params decoder = do
     conf <- lift $ AppT (asks (.config))
-    logQueryIfEnabled conf qry (Left params)
+    logQueryIfEnabled conf qry (HasSingleParam params)
     pgQueryWith qry params decoder
 
   -- TODO: log these queries as well with `logQueryIfEnabled`, but test out whether it works with query_ and foldRows first.
@@ -271,8 +443,14 @@ withPGTransaction connPool f =
     connPool
     (\conn -> Postgres.withTransaction conn (f conn))
 
+data HasQueryParams param
+  = HasNoParams
+  | HasSingleParam param
+  | HasMultiParams [param]
+
 -- | Log the postgres query depending on the setting of @config.debugInfo.logDatabaseQueries@.
 logQueryIfEnabled ::
+  forall params config m.
   ( Postgres.ToRow params,
     MonadUnliftIO m,
     MonadLogger m,
@@ -281,13 +459,14 @@ logQueryIfEnabled ::
   ) =>
   config ->
   Postgres.Query ->
-  Either params [params] ->
+  HasQueryParams params ->
   Transaction m ()
 logQueryIfEnabled config qry params = do
   -- In case we have query logging enabled, we want to do that
   let formattedQuery = case params of
-        Left p -> pgFormatQuery' qry p
-        Right ps -> pgFormatQueryMany' qry ps
+        HasNoParams -> pgFormatQueryNoParams' qry
+        HasSingleParam p -> pgFormatQuery' qry p
+        HasMultiParams ps -> pgFormatQueryMany' qry ps
 
   let doLog errs =
         errs
@@ -330,3 +509,4 @@ data DatabaseLogging
   = DontLogDatabaseQueries
   | LogDatabaseQueries
   | LogDatabaseQueriesAndExplain
+  deriving stock (Show)