首页增加比例筛选并优化排序

backend/internal/modules/listing/public_query.go

@@ -2,6 +2,7 @@ package listing
 
 import (
 	"context"
+	"fmt"
 	"strings"
 	"time"
 
@@ -117,7 +118,10 @@ func canListPublicWithSQL(query PublicListQuery) bool {
 	if len(query.SkinGroup) > 0 || len(query.SkinName) > 0 || len(query.ResourceRanges) > 0 {
 		return false
 	}
-	if query.MinCoin != nil || query.MaxCoin != nil || query.MinPrice != nil || query.MaxPrice != nil {
+	if query.MinCoin != nil || query.MaxCoin != nil || query.MinRatio != nil || query.MaxRatio != nil {
+		return false
+	}
+	if query.MinPrice != nil || query.MaxPrice != nil {
 		return false
 	}
 	if query.MinDeposit != nil || query.MaxDeposit != nil || query.MinTotal != nil || query.MaxTotal != nil {
@@ -142,11 +146,18 @@ func applyPublicSQLSort(db *gorm.DB, sortKey string) *gorm.DB {
 		return db.Order("l.price_cent DESC, l.published_at DESC, l.id DESC")
 	case "coinDesc":
 		return db.Order("a.haf_coin_amount DESC, l.published_at DESC, l.id DESC")
-	default:
+	case "published":
 		return db.Order("l.published_at DESC, l.id DESC")
+	default:
+		return db.Order(fmt.Sprintf("((l.id * 1103515245 + %d) %% 2147483647) ASC, l.id ASC", publicShuffleSeed()))
 	}
 }
 
+func publicShuffleSeed() int64 {
+	now := time.Now().UTC()
+	return int64(now.Year()*366 + now.YearDay())
+}
+
 func (r *Repository) publicZoneCountsCached(ctx context.Context) (map[string]int64, error) {
 	now := time.Now()
 	r.publicZoneCountsMu.Lock()