src/Gargantext/Database/Query/Table/Node/Document/Add.hs

   1 {-|
   2 Module      : Gargantext.Database.Node.Document.Add
   3 Description : Importing context of texts (documents)
   4 Copyright   : (c) CNRS, 2017-Present
   5 License     : AGPL + CECILL v3
   6 Maintainer  : team@gargantext.org
   7 Stability   : experimental
   8 Portability : POSIX
   9
  10 Add Documents/Contact to a Corpus/Annuaire.
  11
  12 -}
  13 ------------------------------------------------------------------------
  14 {-# LANGUAGE DeriveDataTypeable   #-}
  15 {-# LANGUAGE QuasiQuotes          #-}
  16 {-# LANGUAGE TypeSynonymInstances #-}
  17
  18 ------------------------------------------------------------------------
  19 module Gargantext.Database.Query.Table.Node.Document.Add
  20   where
  21
  22 import Data.ByteString.Internal (ByteString)
  23 import Data.Text (Text)
  24 import Database.PostgreSQL.Simple (Query, Only(..))
  25 import Database.PostgreSQL.Simple.SqlQQ
  26 import Database.PostgreSQL.Simple.ToField (toField)
  27 import Database.PostgreSQL.Simple.ToRow (ToRow(..))
  28 import Database.PostgreSQL.Simple.Types (Values(..), QualifiedIdentifier(..))
  29 import GHC.Generics (Generic)
  30 import Gargantext.Database.Admin.Types.Node
  31 import Gargantext.Database.Prelude (Cmd, runPGSQuery, formatPGSQuery)
  32 import Gargantext.Prelude
  33
  34 ---------------------------------------------------------------------------
  35
  36 add :: ParentId -> [NodeId] -> Cmd err [Only Int]
  37 add pId ns = runPGSQuery queryAdd (Only $ Values fields inputData)
  38   where
  39     fields    = map (\t-> QualifiedIdentifier Nothing t) inputSqlTypes
  40     inputData = prepare pId ns
  41
  42 add_debug :: ParentId -> [NodeId] -> Cmd err ByteString
  43 add_debug pId ns = formatPGSQuery queryAdd (Only $ Values fields inputData)
  44   where
  45     fields    = map (\t-> QualifiedIdentifier Nothing t) inputSqlTypes
  46     inputData = prepare pId ns
  47
  48
  49 -- | Input Tables: types of the tables
  50 inputSqlTypes :: [Text]
  51 inputSqlTypes = ["int4","int4","int4"]
  52
  53 -- | SQL query to add documents
  54 -- TODO return id of added documents only
  55 queryAdd :: Query
  56 queryAdd = [sql|
  57        WITH input_rows(node1_id,node2_id,category) AS (?)
  58        INSERT INTO nodes_nodes (node1_id, node2_id,category)
  59        SELECT * FROM input_rows
  60        ON CONFLICT (node1_id, node2_id) DO NOTHING -- on unique index
  61        RETURNING 1
  62        ;
  63            |]
  64
  65 prepare :: ParentId -> [NodeId] -> [InputData]
  66 prepare pId ns = map (\nId -> InputData pId nId) ns
  67
  68 ------------------------------------------------------------------------
  69 -- * Main Types used
  70
  71 data InputData = InputData { inNode1_id :: NodeId
  72                            , inNode2_id :: NodeId
  73                            } deriving (Show, Generic, Typeable)
  74
  75 instance ToRow InputData where
  76   toRow inputData = [ toField (inNode1_id inputData)
  77                     , toField (inNode2_id inputData)
  78                     , toField (1 :: Int)
  79                     ]
  80