fetch_ml/internal/queue/errors.go
Jeremie Fraeys 6580917ba8
refactor: extract domain types and consolidate error system (Phases 1-2)
Phase 1: Extract Domain Types
=============================
- Create internal/domain/ package with canonical types:
  - domain/task.go: Task, Attempt structs
  - domain/tracking.go: TrackingConfig and MLflow/TensorBoard/Wandb configs
  - domain/dataset.go: DatasetSpec
  - domain/status.go: JobStatus constants
  - domain/errors.go: FailureClass system with classification functions
  - domain/doc.go: package documentation

- Update queue/task.go to re-export domain types (backward compatibility)
- Update TUI model/state.go to use domain types via type aliases
- Simplify TUI services: remove ~60 lines of conversion functions

Phase 2: Delete ErrorCategory System
====================================
- Remove deprecated ErrorCategory type and constants
- Remove TaskError struct and related functions
- Remove mapping functions: ClassifyError, IsRetryable, GetUserMessage, RetryDelay
- Update all queue implementations to use domain.FailureClass directly:
  - queue/metrics.go: RecordTaskFailure/Retry now take FailureClass
  - queue/queue.go: RetryTask uses domain.ClassifyFailure
  - queue/filesystem_queue.go: RetryTask and MoveToDeadLetterQueue updated
  - queue/sqlite_queue.go: RetryTask and MoveToDeadLetterQueue updated

Lines eliminated: ~190 lines of conversion and mapping code
Result: Single source of truth for domain types and error classification
2026-02-17 12:34:28 -05:00

32 lines
900 B
Go

// Package queue provides task queue functionality
package queue
import (
"github.com/jfraeys/fetch_ml/internal/domain"
)
// Re-export from domain for backward compatibility
// Deprecated: Use internal/domain directly
type (
FailureClass = domain.FailureClass
FailureInfo = domain.FailureInfo
)
// Re-export functions from domain
// Deprecated: Use internal/domain directly
var (
ClassifyFailure = domain.ClassifyFailure
GetFailureSuggestion = domain.GetFailureSuggestion
ShouldAutoRetry = domain.ShouldAutoRetry
RetryDelayForClass = domain.RetryDelayForClass
)
// Re-export constants
// Deprecated: Use internal/domain directly
const (
FailureInfrastructure = domain.FailureInfrastructure
FailureCode = domain.FailureCode
FailureData = domain.FailureData
FailureResource = domain.FailureResource
FailureUnknown = domain.FailureUnknown
)