增加渠道上传预统计

backend/internal/modules/listing/query.go

@@ -14,6 +14,11 @@ import (
 	"gorm.io/gorm/clause"
 )
 
+const (
+	sourceChannelWebsite         = "站内发布"
+	sourceChannelExternalUnknown = "未填写"
+)
+
 func (r *Repository) ListAdmin(ctx context.Context, query AdminListQuery) (*AdminListResult, error) {
 	page := query.Page
 	if page <= 0 {
@@ -199,11 +204,21 @@ func (r *Repository) findDTO(ctx context.Context, where string, args ...any) (*L
 }
 
 func (r *Repository) baseQuery(ctx context.Context) *gorm.DB {
+	uploadSource := r.db.WithContext(ctx).Table("listing_uploads").
+		Select("listing_id, MAX(id) AS upload_id, MAX(NULLIF(source_channel, '')) AS source_channel").
+		Where("listing_id IS NOT NULL").
+		Group("listing_id")
 	return r.db.WithContext(ctx).Table("rental_listings AS l").
 		Select(`l.*, a.title, a.description, a.game_name, a.server_region, a.login_platform, a.rank_level,
-			a.haf_coin_amount, a.asset_summary, a.screenshot_urls, COALESCE(u.phone, '') AS owner_phone, COALESCE(u.nickname, '') AS owner_nickname`).
+			a.haf_coin_amount, a.asset_summary, a.screenshot_urls, COALESCE(u.phone, '') AS owner_phone, COALESCE(u.nickname, '') AS owner_nickname,
+			CASE
+				WHEN lu.upload_id IS NULL THEN ?
+				WHEN COALESCE(lu.source_channel, '') = '' THEN ?
+				ELSE lu.source_channel
+			END AS source_channel`, sourceChannelWebsite, sourceChannelExternalUnknown).
 		Joins("JOIN game_accounts AS a ON a.id = l.account_id").
-		Joins("LEFT JOIN users AS u ON u.id = l.owner_id")
+		Joins("LEFT JOIN users AS u ON u.id = l.owner_id").
+		Joins("LEFT JOIN (?) AS lu ON lu.listing_id = l.id", uploadSource)
 }
 
 func (r *Repository) findForReviewUpdate(tx *gorm.DB, listingID uint64) (*model.RentalListing, *model.GameAccount, error) {