feat: change Subscription's StartTime and EndTime to string

object/get-dashboard.go

@@ -103,7 +103,7 @@ func GetDashboard(owner string) (*map[string][]int64, error) {
 func countCreatedBefore(dashboardMapItem DashboardMapItem, before time.Time) int64 {
 	count := dashboardMapItem.itemCount
 	for _, e := range dashboardMapItem.dashboardDateItems {
-		createdTime, _ := time.Parse("2006-01-02T15:04:05-07:00", e.CreatedTime)
+		createdTime, _ := time.Parse(time.RFC3339, e.CreatedTime)
 		if createdTime.Before(before) {
 			count++
 		}

object/plan.go

@@ -49,17 +49,21 @@ func (plan *Plan) GetId() string {
 	return fmt.Sprintf("%s/%s", plan.Owner, plan.Name)
 }
 
-func GetDuration(period string) (startTime time.Time, endTime time.Time) {
+func getDuration(period string) (string, string, error) {
+	startTime := time.Now()
+	var endTime time.Time
+
 	if period == PeriodYearly {
-		startTime = time.Now()
 		endTime = startTime.AddDate(1, 0, 0)
 	} else if period == PeriodMonthly {
-		startTime = time.Now()
 		endTime = startTime.AddDate(0, 1, 0)
 	} else {
-		panic(fmt.Sprintf("invalid period: %s", period))
+		return "", "", fmt.Errorf("invalid period: %s", period)
 	}
-	return
+
+	startTimeString := startTime.Format(time.RFC3339)
+	endTimeString := endTime.Format(time.RFC3339)
+	return startTimeString, endTimeString, nil
 }
 
 func GetPlanCount(owner, field, value string) (int64, error) {

object/product.go

@@ -206,11 +206,17 @@ func BuyProduct(id string, user *User, providerName, pricingName, planName, host
 			if plan == nil {
 				return nil, nil, fmt.Errorf("the plan: %s does not exist", planName)
 			}
-			sub := NewSubscription(owner, user.Name, plan.Name, paymentName, plan.Period)
+
+			sub, err := NewSubscription(owner, user.Name, plan.Name, paymentName, plan.Period)
+			if err != nil {
+				return nil, nil, err
+			}
+
 			_, err = AddSubscription(sub)
 			if err != nil {
 				return nil, nil, err
 			}
+
 			returnUrl = fmt.Sprintf("%s/buy-plan/%s/%s/result?subscription=%s", originFrontend, owner, pricingName, sub.Name)
 		}
 	}

object/subscription.go

@@ -48,8 +48,8 @@ type Subscription struct {
 	Plan    string `xorm:"varchar(100)" json:"plan"`
 	Payment string `xorm:"varchar(100)" json:"payment"`
 
-	StartTime time.Time         `json:"startTime"`
-	EndTime   time.Time         `json:"endTime"`
+	StartTime string            `xorm:"varchar(100)" json:"startTime"`
+	EndTime   string            `xorm:"varchar(100)" json:"endTime"`
 	Period    string            `xorm:"varchar(100)" json:"period"`
 	State     SubscriptionState `xorm:"varchar(100)" json:"state"`
 }
@@ -84,9 +84,19 @@ func (sub *Subscription) UpdateState() error {
 	}
 
 	if sub.State == SubStateActive || sub.State == SubStateUpcoming || sub.State == SubStateExpired {
-		if sub.EndTime.Before(time.Now()) {
+		startTime, err := time.Parse(time.RFC3339, sub.StartTime)
+		if err != nil {
+			return err
+		}
+
+		endTime, err := time.Parse(time.RFC3339, sub.EndTime)
+		if err != nil {
+			return err
+		}
+
+		if endTime.Before(time.Now()) {
 			sub.State = SubStateExpired
-		} else if sub.StartTime.After(time.Now()) {
+		} else if startTime.After(time.Now()) {
 			sub.State = SubStateUpcoming
 		} else {
 			sub.State = SubStateActive
@@ -103,10 +113,15 @@ func (sub *Subscription) UpdateState() error {
 	return nil
 }
 
-func NewSubscription(owner, userName, planName, paymentName, period string) *Subscription {
-	startTime, endTime := GetDuration(period)
+func NewSubscription(owner, userName, planName, paymentName, period string) (*Subscription, error) {
+	startTime, endTime, err := getDuration(period)
+	if err != nil {
+		return nil, err
+	}
+
 	id := util.GenerateId()[:6]
-	return &Subscription{
+
+	res := &Subscription{
 		Owner:       owner,
 		Name:        "sub_" + id,
 		DisplayName: "New Subscription - " + id,
@@ -121,6 +136,7 @@ func NewSubscription(owner, userName, planName, paymentName, period string) *Sub
 		Period:    period,
 		State:     SubStatePending, // waiting for payment complete
 	}
+	return res, nil
 }
 
 func GetSubscriptionCount(owner, field, value string) (int64, error) {