Transducer.hs

{-# LANGUAGE BlockArguments #-}
{-# LANGUAGE OverloadedLabels #-}
{-# LANGUAGE OverloadedRecordDot #-}
{-# LANGUAGE QualifiedDo #-}
-- @generated by keiro-dsl 0.9.0.0 (language keiro-dsl 4) from aggregate ProjectArtifact; do not edit.
module Generated.WorkspaceNominalProof.ProjectArtifact.Transducer
  ( projectArtifactTransducer
  , projectArtifactFoldFingerprint
  , BehaviorOwnership (..)
  , projectArtifactPredicateVerifications
  ) where

import Generated.WorkspaceNominalProof.ProjectArtifact.Domain
import Data.Text (Text)
import Generated.WorkspaceNominalProof.Nominals (ProjectId, parseProjectId, ProjectPhase (..))
import Generated.WorkspaceNominalProof.Nominals qualified as GeneratedNominals
import Keiki.Builder qualified as B
import Keiki.Core (HsPred, SymTransducer, (.==), (.&&))
import Keiki.Core qualified as K
import Keiki.Symbolic qualified as S
import Keiki.Builder ((=:))
import Keiki.Generics (RegFieldsOf)

projectArtifactTransducer
  :: SymTransducer
       (HsPred ProjectArtifactRegs ProjectArtifactCommand)
       ProjectArtifactRegs
       ProjectArtifactVertex
       ProjectArtifactCommand
       ProjectArtifactEvent
projectArtifactTransducer =
  B.buildTransducer ProjectArtifactEmpty initialProjectArtifactRegs isTerminal do
    B.from ProjectArtifactEmpty do
      B.onCmd inCtorRecordArtifact $ \d -> B.do
        let commandProjectId = K.inpProj GeneratedNominals.projectIdEqualityWitness inCtorRecordArtifact (#projectId :: K.Index (RegFieldsOf RecordArtifactData) ProjectId)
            registerProjectId = K.regProj GeneratedNominals.projectIdEqualityWitness (#projectId :: K.Index ProjectArtifactRegs ProjectId)
            commandPhase = K.inpProj GeneratedNominals.projectPhaseEqualityWitness inCtorRecordArtifact (#phase :: K.Index (RegFieldsOf RecordArtifactData) ProjectPhase)
            registerPhase = K.regProj GeneratedNominals.projectPhaseEqualityWitness (#phase :: K.Index ProjectArtifactRegs ProjectPhase)
        B.requireGuard $
          commandProjectId .== registerProjectId
          .&& commandPhase .== registerPhase
        B.slot @"projectId" =: d.projectId
        B.slot @"phase" =: d.phase
        B.emit wireArtifactRecorded (ArtifactRecordedTermFields
          { projectId = d.projectId
          , phase = d.phase
          })
        B.goto ProjectArtifactRecorded
 where
  isTerminal = \case
    ProjectArtifactRecorded -> True
    _ -> False

projectArtifactFoldFingerprint :: Text
projectArtifactFoldFingerprint = "a437868e9773ccac1561d3cdef96dbde"

data BehaviorOwnership = GeneratedOwned | HoleOwned
  deriving stock (Eq, Show)

-- Every checked transition predicate is audited through Keiki's conservative
-- symbolic verifier. Opaque Hole terms remain explicitly unverified.
projectArtifactPredicateVerifications :: IO [(Text, BehaviorOwnership, S.PredicateVerification)]
projectArtifactPredicateVerifications = sequence
  [ verifyTransition "transition1EmptyRecordArtifact" GeneratedOwned ProjectArtifactEmpty 0
  ]
 where
  verifyTransition label owner source edgeIndex =
    case drop edgeIndex (K.edgesOut projectArtifactTransducer source) of
      K.Edge predicate _ _ _ _ : _ -> (\result -> (label, owner, result)) <$> S.verifyPredicate predicate
      [] -> pure (label, owner, S.UnverifiedSolverFailure "generated transition edge missing")