src/Gargantext/Database/Schema/NodeNode.hs

   1 {-|
   2 Module      : Gargantext.Database.Schema.NodeNode
   3 Description :
   4 Copyright   : (c) CNRS, 2017-Present
   5 License     : AGPL + CECILL v3
   6 Maintainer  : team@gargantext.org
   7 Stability   : experimental
   8 Portability : POSIX
   9
  10 Here is a longer description of this module, containing some
  11 commentary with @some markup@.
  12 -}
  13
  14 {-# OPTIONS_GHC -fno-warn-orphans #-}
  15
  16 {-# LANGUAGE Arrows                 #-}
  17 {-# LANGUAGE FunctionalDependencies #-}
  18 {-# LANGUAGE QuasiQuotes            #-}
  19 {-# LANGUAGE TemplateHaskell        #-}
  20
  21 module Gargantext.Database.Schema.NodeNode where
  22
  23 import Gargantext.Core.Types
  24 import Gargantext.Database.Schema.Prelude
  25 import Gargantext.Prelude
  26
  27
  28 data NodeNodePoly node1_id node2_id score cat
  29                    = NodeNode { _nn_node1_id   :: !node1_id
  30                               , _nn_node2_id   :: !node2_id
  31                               , _nn_score      :: !score
  32                               , _nn_category   :: !cat
  33                               } deriving (Show)
  34
  35 type NodeNodeWrite     = NodeNodePoly (Column (SqlInt4))
  36                                       (Column (SqlInt4))
  37                                       (Maybe  (Column (SqlFloat8)))
  38                                       (Maybe  (Column (SqlInt4)))
  39
  40 type NodeNodeRead      = NodeNodePoly (Column (SqlInt4))
  41                                       (Column (SqlInt4))
  42                                       (Column (SqlFloat8))
  43                                       (Column (SqlInt4))
  44
  45 type NodeNodeReadNull  = NodeNodePoly (Column (Nullable SqlInt4))
  46                                       (Column (Nullable SqlInt4))
  47                                       (Column (Nullable SqlFloat8))
  48                                       (Column (Nullable SqlInt4))
  49
  50 type NodeNode = NodeNodePoly NodeId NodeId (Maybe Double) (Maybe Int)
  51
  52 $(makeAdaptorAndInstance "pNodeNode" ''NodeNodePoly)
  53 makeLenses ''NodeNodePoly
  54
  55 nodeNodeTable :: Table NodeNodeWrite NodeNodeRead
  56 nodeNodeTable  =
  57   Table "nodes_nodes"
  58          ( pNodeNode
  59            NodeNode { _nn_node1_id = requiredTableField "node1_id"
  60                     , _nn_node2_id = requiredTableField "node2_id"
  61                     , _nn_score    = optionalTableField "score"
  62                     , _nn_category = optionalTableField "category"
  63                     }
  64                 )
  65
  66 instance DefaultFromField (Nullable SqlInt4)   Int            where
  67     defaultFromField = fromPGSFromField
  68
  69 instance DefaultFromField (Nullable SqlFloat8) Int            where
  70     defaultFromField = fromPGSFromField
  71
  72 instance DefaultFromField (Nullable SqlFloat8) Double         where
  73     defaultFromField = fromPGSFromField
  74
  75 instance DefaultFromField SqlFloat8            (Maybe Double) where
  76     defaultFromField = fromPGSFromField
  77
  78 instance DefaultFromField SqlInt4              (Maybe Int)    where
  79     defaultFromField = fromPGSFromField
  80