🔨 Fix - 예상가격 조회에서 useCoupon 메소드 삭제

[dongkyeomjang]

Related issue 🛠

closed #790

어떤 변경사항이 있었나요?

• ✨ Feature: New feature
• 🔨 Fix: Feature change or bug fix
• 💻 CrossBrowsing: Browser compatibility
• 🌏 Deploy: Deploy
• 🎨 Design: Markup & styling
• 📃 Docs: Documentation writing and editing (README.md, etc.)
• ♻️ Refactor: Code refactoring
• ⚙️ Setting: Development environment setup
• ✅ Test: Test related (storybook, jest, etc.)

CheckPoint ✅

PR이 다음 요구 사항을 충족하는지 확인하세요.

• PR 컨벤션에 맞게 작성했습니다. (필수)
• 코드가 정상적으로 동작합니다. (필수)
• 코드 리뷰어에게 리뷰를 요청했습니다. (필수)

Work Description ✏️

• 예상가격 조회에서 useCoupon 메소드 삭제

Uncompleted Tasks 😅

N/A

To Reviewers 📢

리뷰어가 알면 좋은 내용을 작성해주세요.

Summary by CodeRabbit

• 버그 수정
  • 쿠폰 적용 처리 방식을 조정하여 주문에 연결된 사용 쿠폰 기록을 일관되게 생성합니다. 이에 따라 주문 상세의 쿠폰 적용 내역과 금액 반영이 더 안정적으로 표시됩니다.
  • 일부 상황에서 쿠폰이 실제 사용과 다르게 상태가 표시될 수 있던 문제를 완화하여, 쿠폰 사용 이력과 주문 기록 간 불일치를 줄였습니다.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

EstimateUserOrderPriceService 수정: 쿠폰 처리 로직에서 IssuedCoupon.useCoupon() 호출을 제거하고, IssuedCoupon과 주문을 연결하는 UsedCoupon만 생성하도록 변경. 주석도 쿠폰 적용에서 생성으로 수정. order.updateUsedCoupon 등 나머지 흐름은 유지.

Changes

Cohort / File(s)	Summary
Order Price Estimation – Coupon Handling src/main/java/com/tookscan/tookscan/order/application/service/EstimateUserOrderPriceService.java	쿠폰 처리 시 IssuedCoupon.useCoupon() 호출 제거. IssuedCoupon과 Order를 참조하는 UsedCoupon만 생성하고, 이후 order.updateUsedCoupon 호출 흐름은 동일. 관련 주석 텍스트를 “적용”에서 “생성”으로 변경.

Sequence Diagram(s)

sequenceDiagram
  autonumber
  actor User
  participant Service as EstimateUserOrderPriceService
  participant Issued as IssuedCoupon
  participant Used as UsedCouponRepo
  participant Order as Order

  rect rgba(200,220,255,0.25)
  note over Service: 이전(Old) 흐름
  User->>Service: 가격 견적 요청(쿠폰 포함)
  Service->>Issued: 조회 및 검증
  Service->>Issued: useCoupon() 호출
  Service->>Used: UsedCoupon 생성/저장
  Service->>Order: updateUsedCoupon(UsedCoupon)
  Service-->>User: 결과 반환
  end

  rect rgba(200,255,200,0.25)
  note over Service: 변경(New) 흐름
  User->>Service: 가격 견적 요청(쿠폰 포함)
  Service->>Issued: 조회 및 검증
  note right of Service: useCoupon() 호출 제거
  Service->>Used: UsedCoupon 생성/저장 (Issued, Order 연계)
  Service->>Order: updateUsedCoupon(UsedCoupon)
  Service-->>User: 결과 반환
  end

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Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

당근 깃털 귀를 펄럭이며 춤을 추네,
쿠폰은 찍었지만, 도장은 아껴뒀지 🥕
사용 표식은 잠시 멈추고, 연결만 살짝—
주문과 쿠폰이 나란히 토글탁!
밤하늘 별처럼 로직은 반짝, 테스트도 콩닥콩닥.

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📥 Commits

Reviewing files that changed from the base of the PR and between 9aacdfe and d6e2031.

📒 Files selected for processing (1)

• src/main/java/com/tookscan/tookscan/order/application/service/EstimateUserOrderPriceService.java (1 hunks)

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