src/Gargantext/Database/NodeNodeNgram.hs

   1 {-# LANGUAGE TemplateHaskell #-}
   2 {-# LANGUAGE FlexibleInstances #-}
   3 {-# LANGUAGE MultiParamTypeClasses #-}
   4 {-# LANGUAGE FunctionalDependencies #-}
   5 {-# LANGUAGE Arrows #-}
   6 {-# OPTIONS_GHC -fno-warn-orphans #-}
   7
   8
   9 module Gargantext.Database.NodeNodeNgram where
  10
  11 import Prelude
  12 import Data.Maybe (Maybe)
  13 import Data.Profunctor.Product.TH (makeAdaptorAndInstance)
  14 import Control.Lens.TH (makeLensesWith, abbreviatedFields)
  15 import qualified Database.PostgreSQL.Simple as PGS
  16
  17 import Opaleye
  18
  19
  20 data NodeNodeNgramPoly node1_id node2_id ngram_id score
  21                    = NodeNodeNgram { nodeNodeNgram_node1_id :: node1_id
  22                                    , nodeNodeNgram_node2_id :: node2_id
  23                                    , nodeNodeNgram_ngram_id :: ngram_id
  24                                    , nodeNodeNgram_score   :: score
  25                                    } deriving (Show)
  26
  27
  28 type NodeNodeNgramWrite = NodeNodeNgramPoly (Column PGInt4) (Column PGInt4) (Column PGInt4) (Maybe (Column PGFloat8))
  29 type NodeNodeNgramRead  = NodeNodeNgramPoly (Column PGInt4) (Column PGInt4) (Column PGInt4)        (Column PGFloat8)
  30
  31
  32 type NodeNodeNgram = NodeNodeNgramPoly Int Int Int (Maybe Double)
  33
  34 $(makeAdaptorAndInstance "pNodeNodeNgram" ''NodeNodeNgramPoly)
  35 $(makeLensesWith abbreviatedFields        ''NodeNodeNgramPoly)
  36
  37
  38 nodeNodeNgramTable :: Table NodeNodeNgramWrite NodeNodeNgramRead
  39 nodeNodeNgramTable  = Table "nodes_nodes_ngrams" ( pNodeNodeNgram NodeNodeNgram
  40                                                    { nodeNodeNgram_node1_id = required "node1_id"
  41                                                    , nodeNodeNgram_node2_id = required "node2_id"
  42                                                    , nodeNodeNgram_ngram_id = required "ngram_id"
  43                                                    , nodeNodeNgram_score    = optional "score"
  44                                                    }
  45                                                  )
  46
  47
  48 queryNodeNodeNgramTable :: Query NodeNodeNgramRead
  49 queryNodeNodeNgramTable = queryTable nodeNodeNgramTable
  50
  51
  52 -- | not optimized (get all ngrams without filters)
  53 nodeNodeNgrams :: PGS.Connection -> IO [NodeNodeNgram]
  54 nodeNodeNgrams conn = runQuery conn queryNodeNodeNgramTable
  55
  56
  57 instance QueryRunnerColumnDefault PGFloat8 (Maybe Double) where
  58     queryRunnerColumnDefault = fieldQueryRunnerColumn