修复(#130): 统一家庭成员促销资格口径

Co-authored-by: multica-agent <github@multica.ai>

internal/logic/public/subscribe/promo.go

@@ -41,6 +41,15 @@ func loadSubscribePromoMap(ctx context.Context, svcCtx *svc.ServiceContext, subs
 	}
 
 	userInfo, _ := ctx.Value(constant.CtxKeyUser).(*user.User)
+	userID := int64(0)
+	if userInfo != nil {
+		entitlement, err := commonLogic.ResolveEntitlementUser(ctx, svcCtx.DB, userInfo.Id)
+		if err != nil {
+			return nil, err
+		}
+		userID = entitlement.EffectiveUserID
+	}
+
 	candidates, err := querySubscribePromoCandidates(ctx, svcCtx, subscribeIDs, userInfo != nil)
 	if err != nil {
 		if isMissingPromoTableError(err) {
@@ -49,10 +58,6 @@ func loadSubscribePromoMap(ctx context.Context, svcCtx *svc.ServiceContext, subs
 		return nil, err
 	}
 
-	userID := int64(0)
-	if userInfo != nil {
-		userID = userInfo.Id
-	}
 	for _, candidate := range candidates {
 		if candidate.Quantity <= 0 {
 			continue

internal/logic/public/subscribe/promo_test.go

@@ -9,8 +9,10 @@ import (
 
 	"github.com/DATA-DOG/go-sqlmock"
 	"github.com/perfect-panel/server/internal/model/promo"
+	"github.com/perfect-panel/server/internal/model/user"
 	"github.com/perfect-panel/server/internal/svc"
 	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/constant"
 	"gorm.io/driver/mysql"
 	"gorm.io/gorm"
 )
@@ -88,6 +90,63 @@ func TestLoadSubscribePromoMapUsesCommonPromoEvaluation(t *testing.T) {
 	}
 }
 
+func TestLoadSubscribePromoMapUsesFamilyOwnerForInactivePromo(t *testing.T) {
+	db, mock, cleanup := newSubscribePromoTestDB(t)
+	defer cleanup()
+
+	memberUserID := int64(51637)
+	ownerUserID := int64(510)
+	subscribeID := int64(11)
+	quantity := int64(30)
+	now := time.Now()
+	end := now.Add(24 * time.Hour)
+
+	mock.ExpectQuery("FROM `user_family_member`").
+		WithArgs(memberUserID, user.FamilyMemberActive, 1).
+		WillReturnRows(sqlmock.NewRows([]string{"role", "family_status", "owner_user_id"}).
+			AddRow(user.FamilyRoleMember, user.FamilyStatusActive, ownerUserID))
+	mock.ExpectQuery("FROM subscribe_promo AS sp").
+		WillReturnRows(sqlmock.NewRows([]string{
+			"subscribe_id", "quantity", "rule_name", "rule_type", "promo_price", "params", "start_time", "end_time",
+		}).AddRow(subscribeID, quantity, "回归用户01", promoRuleTypeInactiveUser, 100, `{"inactive_months":1}`, nil, end))
+	mock.ExpectQuery("FROM `user_subscribe`").
+		WithArgs(ownerUserID, time.UnixMilli(0), 1).
+		WillReturnRows(sqlmock.NewRows([]string{"id", "user_id", "subscribe_id", "expire_time"}).
+			AddRow(131, ownerUserID, 1, now.AddDate(0, 1, 0)))
+
+	ctx := context.WithValue(context.Background(), constant.CtxKeyUser, &user.User{Id: memberUserID})
+	promoModel := &fakeSubscribePromoModel{rules: []*promo.RuleWithPrice{
+		{
+			Rule: promo.Rule{
+				Id:      8,
+				Name:    "回归用户01",
+				Type:    promo.RuleTypeInactiveUser,
+				Enabled: true,
+				Params:  `{"inactive_months":1}`,
+				EndTime: &end,
+			},
+			PromoPrice: 100,
+		},
+	}}
+
+	got, err := loadSubscribePromoMap(ctx, &svc.ServiceContext{DB: db, PromoModel: promoModel}, []int64{subscribeID})
+	if err != nil {
+		t.Fatalf("loadSubscribePromoMap returned error: %v", err)
+	}
+	if err := mock.ExpectationsWereMet(); err != nil {
+		t.Fatalf("sql expectations: %v", err)
+	}
+	if promoModel.lastSubscribeID != subscribeID {
+		t.Fatalf("promo subscribe id = %d, want %d", promoModel.lastSubscribeID, subscribeID)
+	}
+	if promoModel.lastQuantity != quantity {
+		t.Fatalf("promo quantity = %d, want %d", promoModel.lastQuantity, quantity)
+	}
+	if got[subscribeID][quantity] != nil {
+		t.Fatalf("family member should not receive inactive promo when owner has active subscription, got %+v", got[subscribeID][quantity])
+	}
+}
+
 type fakeSubscribePromoModel struct {
 	rules           []*promo.RuleWithPrice
 	lastSubscribeID int64