优化发布群配置与二维码池界面

backend/internal/modules/chat/handler_quick_reply.go

@@ -97,3 +97,23 @@ func (h *Handler) AdminUpdateAutoWelcome(c *gin.Context) {
 	}
 	response.OK(c, gin.H{"updated": true})
 }
+
+func (h *Handler) AdminGetListingGroupWelcome(c *gin.Context) {
+	message := h.service.GetListingGroupWelcomeMessage(c.Request.Context())
+	response.OK(c, gin.H{"message": message})
+}
+
+func (h *Handler) AdminUpdateListingGroupWelcome(c *gin.Context) {
+	var req struct {
+		Message string `json:"message" binding:"required"`
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.BadRequest(c, "欢迎语内容不能为空")
+		return
+	}
+	if err := h.service.UpdateListingGroupWelcomeMessage(c.Request.Context(), req.Message); err != nil {
+		writeChatError(c, err)
+		return
+	}
+	response.OK(c, gin.H{"updated": true})
+}

backend/internal/modules/chat/listing_group.go

@@ -189,14 +189,12 @@ func listingConversationTitle(listing model.RentalListing) string {
 }
 
 func getListingGroupWelcomeMessage(tx *gorm.DB) string {
-	defaultMsg := "欢迎加入账号群！请号主扫描下方二维码加入企业微信群，方便客服与您及时联系。"
-
 	var cfg model.SystemConfig
-	if err := tx.Where("`key` = ?", "chat.listing_group_welcome").First(&cfg).Error; err == nil && cfg.Value != "" {
+	if err := tx.Where("`key` = ?", listingGroupWelcomeConfigKey).First(&cfg).Error; err == nil && cfg.Value != "" {
 		return cfg.Value
 	}
 
-	return defaultMsg
+	return defaultListingGroupWelcome
 }
 
 func sendSystemMessage(tx *gorm.DB, conversationID uint64, content string) error {
@@ -218,7 +216,6 @@ func sendSystemMessage(tx *gorm.DB, conversationID uint64, content string) error
 }
 
 func sendQrCodeImage(tx *gorm.DB, conversationID uint64, imageURL string) error {
-	attachmentURLs := `["` + imageURL + `"]`
 	content := "👇 请扫码加入企业微信群"
 
 	message := model.ChatMessage{
@@ -227,7 +224,7 @@ func sendQrCodeImage(tx *gorm.DB, conversationID uint64, imageURL string) error
 		SenderRole:     "system",
 		ContentType:    "image",
 		Content:        content,
-		AttachmentURLS: []byte(attachmentURLs),
+		AttachmentURLS: encodeStringList([]string{imageURL}),
 	}
 
 	if err := tx.Create(&message).Error; err != nil {

backend/internal/modules/chat/quick_reply.go

@@ -5,6 +5,13 @@ import (
 	"hfb_sys/backend/internal/model"
 )
 
+const (
+	autoWelcomeConfigKey         = "chat.auto_welcome_message"
+	defaultAutoWelcomeMessage    = "欢迎加入订单群聊！如有任何问题，请随时沟通。"
+	listingGroupWelcomeConfigKey = "chat.listing_group_welcome"
+	defaultListingGroupWelcome   = "欢迎加入账号群！请号主扫描下方二维码加入企业微信群，方便客服与您及时联系。"
+)
+
 func (r *Repository) UpdateRemark(ctx context.Context, principal Principal, conversationID uint64, remark string) error {
 	return r.db.WithContext(ctx).Model(&model.ChatParticipant{}).
 		Where("conversation_id = ? AND participant_type = ? AND participant_id = ?", conversationID, principal.Type, principal.ID).
@@ -77,13 +84,27 @@ func (r *Repository) DeleteQuickReply(ctx context.Context, adminID uint64, reply
 }
 func (r *Repository) GetAutoWelcomeMessage(ctx context.Context) string {
 	var cfg model.SystemConfig
-	if err := r.db.WithContext(ctx).Where("`key` = ?", "chat.auto_welcome_message").First(&cfg).Error; err != nil {
-		return "欢迎加入订单群聊！如有任何问题，请随时沟通。"
+	if err := r.db.WithContext(ctx).Where("`key` = ?", autoWelcomeConfigKey).First(&cfg).Error; err != nil {
+		return defaultAutoWelcomeMessage
 	}
 	return cfg.Value
 }
 func (r *Repository) UpdateAutoWelcomeMessage(ctx context.Context, message string) error {
 	return r.db.WithContext(ctx).Model(&model.SystemConfig{}).
-		Where("`key` = ?", "chat.auto_welcome_message").
+		Where("`key` = ?", autoWelcomeConfigKey).
+		Update("value", message).Error
+}
+
+func (r *Repository) GetListingGroupWelcomeMessage(ctx context.Context) string {
+	var cfg model.SystemConfig
+	if err := r.db.WithContext(ctx).Where("`key` = ?", listingGroupWelcomeConfigKey).First(&cfg).Error; err != nil {
+		return defaultListingGroupWelcome
+	}
+	return cfg.Value
+}
+
+func (r *Repository) UpdateListingGroupWelcomeMessage(ctx context.Context, message string) error {
+	return r.db.WithContext(ctx).Model(&model.SystemConfig{}).
+		Where("`key` = ?", listingGroupWelcomeConfigKey).
 		Update("value", message).Error
 }

backend/internal/modules/chat/service.go

@@ -208,3 +208,17 @@ func (s *Service) UpdateAutoWelcomeMessage(ctx context.Context, message string)
 	}
 	return s.repo.UpdateAutoWelcomeMessage(ctx, message)
 }
+
+func (s *Service) GetListingGroupWelcomeMessage(ctx context.Context) string {
+	if s.repo == nil {
+		return ""
+	}
+	return s.repo.GetListingGroupWelcomeMessage(ctx)
+}
+
+func (s *Service) UpdateListingGroupWelcomeMessage(ctx context.Context, message string) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	return s.repo.UpdateListingGroupWelcomeMessage(ctx, message)
+}