Files
food-ai/backend/internal/domain/recognition/job.go
dbastrikin 39193ec13c feat: async dish recognition (Kafka/Watermill/SSE) + remove Wire + consolidate migrations
Async recognition pipeline:
- POST /ai/recognize-dish → 202 {job_id, queue_position, estimated_seconds}
- GET /ai/jobs/{id}/stream — SSE stream: queued → processing → done/failed
- Kafka topics: ai.recognize.paid (3 partitions) + ai.recognize.free (1 partition)
- 5-worker WorkerPool with priority loop (paid consumers first)
- SSEBroker via PostgreSQL LISTEN/NOTIFY
- Kafka adapter migrated from franz-go to Watermill (watermill-kafka/v2)
- Docker Compose: added Kafka + Zookeeper + kafka-init service
- Flutter: recognition_service.dart uses SSE; home_screen shows live job status

Remove google/wire (archived):
- Deleted wire.go (wireinject spec) and wire_gen.go
- Added cmd/server/init.go — plain Go manual DI, same initApp() logic
- Removed github.com/google/wire from go.mod

Consolidate migrations:
- Merged 001_initial_schema + 002_seed_data + 003_recognition_jobs into single 001_initial_schema.sql
- Deleted 002_seed_data.sql and 003_recognition_jobs.sql

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-18 16:32:06 +02:00

38 lines
716 B
Go

package recognition
import (
"time"
"github.com/food-ai/backend/internal/adapters/ai"
)
// Job status constants.
const (
JobStatusPending = "pending"
JobStatusProcessing = "processing"
JobStatusDone = "done"
JobStatusFailed = "failed"
)
// Kafka topic names.
const (
TopicPaid = "ai.recognize.paid"
TopicFree = "ai.recognize.free"
)
// Job represents an async dish recognition task stored in recognition_jobs.
type Job struct {
ID string
UserID string
UserPlan string
ImageBase64 string
MimeType string
Lang string
Status string
Result *ai.DishResult
Error *string
CreatedAt time.Time
StartedAt *time.Time
CompletedAt *time.Time
}