feat: add subscription balance redemption toggle (#3071)

controller/subscription.go

@@ -41,6 +41,7 @@ func GetSubscriptionPlans(c *gin.Context) {
 	}
 	result := make([]SubscriptionPlanDTO, 0, len(plans))
 	for _, p := range plans {
+		p.NormalizeDefaults()
 		result = append(result, SubscriptionPlanDTO{
 			Plan: p,
 		})
@@ -125,6 +126,7 @@ func AdminListSubscriptionPlans(c *gin.Context) {
 	}
 	result := make([]SubscriptionPlanDTO, 0, len(plans))
 	for _, p := range plans {
+		p.NormalizeDefaults()
 		result = append(result, SubscriptionPlanDTO{
 			Plan: p,
 		})
@@ -163,6 +165,9 @@ func AdminCreateSubscriptionPlan(c *gin.Context) {
 		req.Plan.Currency = "USD"
 	}
 	req.Plan.Currency = "USD"
+	if req.Plan.AllowBalancePay == nil {
+		req.Plan.AllowBalancePay = common.GetPointer(true)
+	}
 	if req.Plan.DurationUnit == "" {
 		req.Plan.DurationUnit = model.SubscriptionDurationMonth
 	}
@@ -279,6 +284,9 @@ func AdminUpdateSubscriptionPlan(c *gin.Context) {
 			"quota_reset_custom_seconds": req.Plan.QuotaResetCustomSeconds,
 			"updated_at":                 common.GetTimestamp(),
 		}
+		if req.Plan.AllowBalancePay != nil {
+			updateMap["allow_balance_pay"] = *req.Plan.AllowBalancePay
+		}
 		if err := tx.Model(&model.SubscriptionPlan{}).Where("id = ?", id).Updates(updateMap).Error; err != nil {
 			return err
 		}