Relational.hs

-- Note: this is an automatically generated file. Do not edit.

-- | Term decoders for hydra.relational

module Hydra.Decode.Relational where

import qualified Hydra.Core as Core
import qualified Hydra.Extract.Helpers as Helpers
import qualified Hydra.Graph as Graph
import qualified Hydra.Lexical as Lexical
import qualified Hydra.Lib.Eithers as Eithers
import qualified Hydra.Relational as Relational
import qualified Hydra.Util as Util
import Prelude hiding  (Enum, Ordering, decodeFloat, encodeFloat, fail, map, pure, sum)
import qualified Data.ByteString as B
import qualified Data.Int as I
import qualified Data.List as L
import qualified Data.Map as M
import qualified Data.Set as S

columnName :: (Graph.Graph -> Core.Term -> Either Util.DecodingError Relational.ColumnName)
columnName cx raw = (Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
  Core.TermWrap v1 -> (Eithers.map (\b -> Relational.ColumnName b) ((\raw -> Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
    Core.TermLiteral v2 -> ((\x -> case x of
      Core.LiteralString v3 -> (Right v3)
      _ -> (Left (Util.DecodingError "expected string literal"))) v2)
    _ -> (Left (Util.DecodingError "expected literal"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw)) (Core.wrappedTermBody v1)))
  _ -> (Left (Util.DecodingError "expected wrapped type hydra.relational.ColumnName"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw))

columnSchema :: ((Graph.Graph -> Core.Term -> Either Util.DecodingError t0) -> Graph.Graph -> Core.Term -> Either Util.DecodingError (Relational.ColumnSchema t0))
columnSchema t cx raw = (Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
  Core.TermRecord v1 ->  
    let fieldMap = (Helpers.toFieldMap v1)
    in (Eithers.bind (Helpers.requireField "name" columnName fieldMap cx) (\field_name -> Eithers.bind (Helpers.requireField "domain" t fieldMap cx) (\field_domain -> Right (Relational.ColumnSchema {
      Relational.columnSchemaName = field_name,
      Relational.columnSchemaDomain = field_domain}))))
  _ -> (Left (Util.DecodingError "expected record of type hydra.relational.ColumnSchema"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw))

foreignKey :: (Graph.Graph -> Core.Term -> Either Util.DecodingError Relational.ForeignKey)
foreignKey cx raw = (Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
  Core.TermRecord v1 ->  
    let fieldMap = (Helpers.toFieldMap v1)
    in (Eithers.bind (Helpers.requireField "foreignRelation" relationName fieldMap cx) (\field_foreignRelation -> Eithers.bind (Helpers.requireField "keys" (Helpers.decodeMap columnName columnName) fieldMap cx) (\field_keys -> Right (Relational.ForeignKey {
      Relational.foreignKeyForeignRelation = field_foreignRelation,
      Relational.foreignKeyKeys = field_keys}))))
  _ -> (Left (Util.DecodingError "expected record of type hydra.relational.ForeignKey"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw))

primaryKey :: (Graph.Graph -> Core.Term -> Either Util.DecodingError Relational.PrimaryKey)
primaryKey cx raw = (Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
  Core.TermWrap v1 -> (Eithers.map (\b -> Relational.PrimaryKey b) (Helpers.decodeList columnName cx (Core.wrappedTermBody v1)))
  _ -> (Left (Util.DecodingError "expected wrapped type hydra.relational.PrimaryKey"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw))

relation :: ((Graph.Graph -> Core.Term -> Either Util.DecodingError t0) -> Graph.Graph -> Core.Term -> Either Util.DecodingError (Relational.Relation t0))
relation v cx raw = (Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
  Core.TermWrap v1 -> (Eithers.map (\b -> Relational.Relation b) (Helpers.decodeList (row v) cx (Core.wrappedTermBody v1)))
  _ -> (Left (Util.DecodingError "expected wrapped type hydra.relational.Relation"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw))

relationName :: (Graph.Graph -> Core.Term -> Either Util.DecodingError Relational.RelationName)
relationName cx raw = (Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
  Core.TermWrap v1 -> (Eithers.map (\b -> Relational.RelationName b) ((\raw -> Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
    Core.TermLiteral v2 -> ((\x -> case x of
      Core.LiteralString v3 -> (Right v3)
      _ -> (Left (Util.DecodingError "expected string literal"))) v2)
    _ -> (Left (Util.DecodingError "expected literal"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw)) (Core.wrappedTermBody v1)))
  _ -> (Left (Util.DecodingError "expected wrapped type hydra.relational.RelationName"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw))

relationSchema :: ((Graph.Graph -> Core.Term -> Either Util.DecodingError t0) -> Graph.Graph -> Core.Term -> Either Util.DecodingError (Relational.RelationSchema t0))
relationSchema t cx raw = (Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
  Core.TermRecord v1 ->  
    let fieldMap = (Helpers.toFieldMap v1)
    in (Eithers.bind (Helpers.requireField "name" relationName fieldMap cx) (\field_name -> Eithers.bind (Helpers.requireField "columns" (Helpers.decodeList (columnSchema t)) fieldMap cx) (\field_columns -> Eithers.bind (Helpers.requireField "primaryKeys" (Helpers.decodeList primaryKey) fieldMap cx) (\field_primaryKeys -> Eithers.bind (Helpers.requireField "foreignKeys" (Helpers.decodeList foreignKey) fieldMap cx) (\field_foreignKeys -> Right (Relational.RelationSchema {
      Relational.relationSchemaName = field_name,
      Relational.relationSchemaColumns = field_columns,
      Relational.relationSchemaPrimaryKeys = field_primaryKeys,
      Relational.relationSchemaForeignKeys = field_foreignKeys}))))))
  _ -> (Left (Util.DecodingError "expected record of type hydra.relational.RelationSchema"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw))

relationship :: Ord t0 => ((Graph.Graph -> Core.Term -> Either Util.DecodingError t0) -> Graph.Graph -> Core.Term -> Either Util.DecodingError (Relational.Relationship t0))
relationship v cx raw = (Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
  Core.TermWrap v1 -> (Eithers.map (\b -> Relational.Relationship b) (Helpers.decodeSet (Helpers.decodeMap columnName v) cx (Core.wrappedTermBody v1)))
  _ -> (Left (Util.DecodingError "expected wrapped type hydra.relational.Relationship"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw))

row :: ((Graph.Graph -> Core.Term -> Either Util.DecodingError t0) -> Graph.Graph -> Core.Term -> Either Util.DecodingError (Relational.Row t0))
row v cx raw = (Eithers.either (\err -> Left (Util.DecodingError err)) (\stripped -> (\x -> case x of
  Core.TermWrap v1 -> (Eithers.map (\b -> Relational.Row b) (Helpers.decodeList v cx (Core.wrappedTermBody v1)))
  _ -> (Left (Util.DecodingError "expected wrapped type hydra.relational.Row"))) stripped) (Lexical.stripAndDereferenceTermEither cx raw))