From f5a1630a278bc96cab43d6f9d644e1254d55c7c5 Mon Sep 17 00:00:00 2001
From: yml2213 <a2213290201@gmail.com>
Date: Fri, 3 Jul 2026 08:28:26 +0800
Subject: [PATCH] =?UTF-8?q?feat(listing):=20=E7=BC=96=E8=BE=91=E5=B7=B2?=
 =?UTF-8?q?=E5=8F=91=E5=B8=83=E8=B4=A6=E5=8F=B7=E9=9C=80=E5=85=88=E4=B8=8B?=
 =?UTF-8?q?=E6=9E=B6,=20=E7=BC=96=E5=8F=B7=E4=BF=9D=E6=8C=81=E4=B8=8D?=
 =?UTF-8?q?=E5=8F=98?=
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Update 增加前置校验, 仅 draft/offline 状态可编辑, published 必须
先主动下架; 编辑后由 initialPublishState 推进到待审核, 审核通过
才重新展示. ListingNo 仅在 Create 时生成, 全程同行更新不变
---
 .../internal/modules/listing/handler_error.go |  2 +
 backend/internal/modules/listing/mutation.go  |  4 ++
 backend/internal/modules/listing/service.go   | 41 ++++++++++---------
 3 files changed, 27 insertions(+), 20 deletions(-)

diff --git a/backend/internal/modules/listing/handler_error.go b/backend/internal/modules/listing/handler_error.go
index 5a68bf3..8acf673 100644
--- a/backend/internal/modules/listing/handler_error.go
+++ b/backend/internal/modules/listing/handler_error.go
@@ -58,6 +58,8 @@ func writeListingError(c *gin.Context, err error) {
 		response.BadRequest(c, "发布信息不符合规则")
 	case errors.Is(err, ErrListingLocked):
 		response.Error(c, http.StatusConflict, "listing_locked", "当前发布不可修改")
+	case errors.Is(err, ErrListingMustOfflineToEdit):
+		response.BadRequest(c, "请先下架后再编辑")
 	case errors.Is(err, ErrPublishCooldown):
 		response.Error(c, http.StatusTooManyRequests, "publish_cooldown", publishCooldownMessage(err))
 	case IsNotFound(err):
diff --git a/backend/internal/modules/listing/mutation.go b/backend/internal/modules/listing/mutation.go
index d65bb30..3157526 100644
--- a/backend/internal/modules/listing/mutation.go
+++ b/backend/internal/modules/listing/mutation.go
@@ -211,6 +211,10 @@ func (r *Repository) Update(ctx context.Context, ownerID uint64, listingID uint6
 		if listingLockedForOwnerMutation(listing) {
 			return ErrListingLocked
 		}
+		// 仅允许草稿/已下架状态编辑；已上架的必须先主动下架，避免在线编辑影响正在出租的账号
+		if listing.Status != "draft" && listing.Status != "offline" {
+			return ErrListingMustOfflineToEdit
+		}
 
 		account.Title = req.Title
 		account.Description = req.Description
diff --git a/backend/internal/modules/listing/service.go b/backend/internal/modules/listing/service.go
index 16154a3..9c24f1d 100644
--- a/backend/internal/modules/listing/service.go
+++ b/backend/internal/modules/listing/service.go
@@ -8,26 +8,27 @@ import (
 )
 
 var (
-	ErrDependencyUnavailable = errors.New("dependency unavailable")
-	ErrInvalidInput          = errors.New("invalid listing input")
-	ErrListingLocked         = errors.New("listing locked")
-	ErrPublishCooldown       = errors.New("listing publish cooldown")
-	ErrMissingTitle          = errors.New("missing listing title")
-	ErrMissingServerRegion   = errors.New("missing server region")
-	ErrInvalidPrice          = errors.New("invalid listing price")
-	ErrInvalidDeposit        = errors.New("invalid listing deposit")
-	ErrDepositTooLow         = errors.New("listing deposit too low")
-	ErrInvalidHafCoin        = errors.New("invalid haf coin amount")
-	ErrMissingScreenshot     = errors.New("missing screenshot")
-	ErrMissingOnlineTime     = errors.New("missing online time")
-	ErrInvalidOnlineTime     = errors.New("invalid online time")
-	ErrAgreementRequired     = errors.New("listing publish agreement required")
-	ErrTargetOwnerInvalid    = errors.New("target owner invalid")
-	ErrMissingUploaderName   = errors.New("missing uploader name")
-	ErrMissingUploadData     = errors.New("missing upload data")
-	ErrUploaderNotFound      = errors.New("uploader not found")
-	ErrUploaderAmbiguous     = errors.New("uploader ambiguous")
-	ErrTooManyUploadItems    = errors.New("too many upload items")
+	ErrDependencyUnavailable    = errors.New("dependency unavailable")
+	ErrInvalidInput             = errors.New("invalid listing input")
+	ErrListingLocked            = errors.New("listing locked")
+	ErrListingMustOfflineToEdit = errors.New("listing must be offline to edit")
+	ErrPublishCooldown          = errors.New("listing publish cooldown")
+	ErrMissingTitle             = errors.New("missing listing title")
+	ErrMissingServerRegion      = errors.New("missing server region")
+	ErrInvalidPrice             = errors.New("invalid listing price")
+	ErrInvalidDeposit           = errors.New("invalid listing deposit")
+	ErrDepositTooLow            = errors.New("listing deposit too low")
+	ErrInvalidHafCoin           = errors.New("invalid haf coin amount")
+	ErrMissingScreenshot        = errors.New("missing screenshot")
+	ErrMissingOnlineTime        = errors.New("missing online time")
+	ErrInvalidOnlineTime        = errors.New("invalid online time")
+	ErrAgreementRequired        = errors.New("listing publish agreement required")
+	ErrTargetOwnerInvalid       = errors.New("target owner invalid")
+	ErrMissingUploaderName      = errors.New("missing uploader name")
+	ErrMissingUploadData        = errors.New("missing upload data")
+	ErrUploaderNotFound         = errors.New("uploader not found")
+	ErrUploaderAmbiguous        = errors.New("uploader ambiguous")
+	ErrTooManyUploadItems       = errors.New("too many upload items")
 )
 
 type Service struct {