kt-event-marketing/design/backend/sequence/inner/event-추천결과조회.puml
2025-10-22 14:13:57 +09:00

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@startuml event-추천결과조회
!theme mono
title Event Service - AI 추천 결과 폴링 조회
participant "EventController" as Controller <<C>>
participant "JobService" as JobSvc <<S>>
participant "Redis Cache" as Cache <<E>>
note over Controller: GET /api/jobs/{jobId}/status
Controller -> JobSvc: getJobStatus(jobId)
activate JobSvc
JobSvc -> Cache: get("job:" + jobId)
activate Cache
alt 캐시 히트
Cache --> JobSvc: Job data\n{status, result, createdAt}
alt Job 완료 (status: COMPLETED)
JobSvc --> Controller: JobStatusResponse\n{jobId, status: COMPLETED,\nrecommendations: [...]}
Controller --> Client: 200 OK\n{status: COMPLETED,\nrecommendations: [\n {title, prize, method, cost, roi},\n {title, prize, method, cost, roi},\n {title, prize, method, cost, roi}\n]}
else Job 진행중 (status: PROCESSING)
JobSvc --> Controller: JobStatusResponse\n{jobId, status: PROCESSING}
Controller --> Client: 200 OK\n{status: PROCESSING}
note right: 클라이언트는 2초 후\n재요청
else Job 실패 (status: FAILED)
JobSvc --> Controller: JobStatusResponse\n{jobId, status: FAILED, error}
Controller --> Client: 200 OK\n{status: FAILED, error}
end
else 캐시 미스
Cache --> JobSvc: null
JobSvc --> Controller: NotFoundError
Controller --> Client: 404 Not Found\n{error: "Job not found"}
end
deactivate Cache
deactivate JobSvc
note over Controller, Cache: 최대 30초 동안 폴링\n(2초 간격, 최대 15회)\n\n타임아웃 시 클라이언트는\n에러 메시지 표시
@enduml