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subscription.go
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subscription.go
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// Copyright 2023 The Casdoor Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package object
import (
"fmt"
"time"
"github.com/casdoor/casdoor/pp"
"github.com/casdoor/casdoor/util"
"github.com/xorm-io/core"
)
type SubscriptionState string
const (
SubStatePending SubscriptionState = "Pending"
SubStateError SubscriptionState = "Error"
SubStateSuspended SubscriptionState = "Suspended" // suspended by the admin
SubStateActive SubscriptionState = "Active"
SubStateUpcoming SubscriptionState = "Upcoming"
SubStateExpired SubscriptionState = "Expired"
)
type Subscription struct {
Owner string `xorm:"varchar(100) notnull pk" json:"owner"`
Name string `xorm:"varchar(100) notnull pk" json:"name"`
DisplayName string `xorm:"varchar(100)" json:"displayName"`
CreatedTime string `xorm:"varchar(100)" json:"createdTime"`
Description string `xorm:"varchar(100)" json:"description"`
User string `xorm:"varchar(100)" json:"user"`
Pricing string `xorm:"varchar(100)" json:"pricing"`
Plan string `xorm:"varchar(100)" json:"plan"`
Payment string `xorm:"varchar(100)" json:"payment"`
StartTime time.Time `json:"startTime"`
EndTime time.Time `json:"endTime"`
Period string `xorm:"varchar(100)" json:"period"`
State SubscriptionState `xorm:"varchar(100)" json:"state"`
}
func (sub *Subscription) GetId() string {
return fmt.Sprintf("%s/%s", sub.Owner, sub.Name)
}
func (sub *Subscription) UpdateState() error {
preState := sub.State
// update subscription state by payment state
if sub.State == SubStatePending {
if sub.Payment == "" {
return nil
}
payment, err := GetPayment(util.GetId(sub.Owner, sub.Payment))
if err != nil {
return err
}
if payment == nil {
sub.Description = fmt.Sprintf("payment: %s does not exist", sub.Payment)
sub.State = SubStateError
} else {
if payment.State == pp.PaymentStatePaid {
sub.State = SubStateActive
} else if payment.State != pp.PaymentStateCreated {
// other states: Canceled, Timeout, Error
sub.Description = fmt.Sprintf("payment: %s state is %v", sub.Payment, payment.State)
sub.State = SubStateError
}
}
}
if sub.State == SubStateActive || sub.State == SubStateUpcoming || sub.State == SubStateExpired {
if sub.EndTime.Before(time.Now()) {
sub.State = SubStateExpired
} else if sub.StartTime.After(time.Now()) {
sub.State = SubStateUpcoming
} else {
sub.State = SubStateActive
}
}
if preState != sub.State {
_, err := UpdateSubscription(sub.GetId(), sub)
if err != nil {
return err
}
}
return nil
}
func NewSubscription(owner, userName, planName, paymentName, period string) *Subscription {
startTime, endTime := GetDuration(period)
id := util.GenerateId()[:6]
return &Subscription{
Owner: owner,
Name: "sub_" + id,
DisplayName: "New Subscription - " + id,
CreatedTime: util.GetCurrentTime(),
User: userName,
Plan: planName,
Payment: paymentName,
StartTime: startTime,
EndTime: endTime,
Period: period,
State: SubStatePending, // waiting for payment complete
}
}
func GetSubscriptionCount(owner, field, value string) (int64, error) {
session := GetSession(owner, -1, -1, field, value, "", "")
return session.Count(&Subscription{})
}
func GetSubscriptions(owner string) ([]*Subscription, error) {
subscriptions := []*Subscription{}
err := ormer.Engine.Desc("created_time").Find(&subscriptions, &Subscription{Owner: owner})
if err != nil {
return subscriptions, err
}
for _, sub := range subscriptions {
err = sub.UpdateState()
if err != nil {
return nil, err
}
}
return subscriptions, nil
}
func GetSubscriptionsByUser(owner, userName string) ([]*Subscription, error) {
subscriptions := []*Subscription{}
err := ormer.Engine.Desc("created_time").Find(&subscriptions, &Subscription{Owner: owner, User: userName})
if err != nil {
return subscriptions, err
}
// update subscription state
for _, sub := range subscriptions {
err = sub.UpdateState()
if err != nil {
return subscriptions, err
}
}
return subscriptions, nil
}
func GetPaginationSubscriptions(owner string, offset, limit int, field, value, sortField, sortOrder string) ([]*Subscription, error) {
subscriptions := []*Subscription{}
session := GetSession(owner, offset, limit, field, value, sortField, sortOrder)
err := session.Find(&subscriptions)
if err != nil {
return subscriptions, err
}
for _, sub := range subscriptions {
err = sub.UpdateState()
if err != nil {
return nil, err
}
}
return subscriptions, nil
}
func getSubscription(owner string, name string) (*Subscription, error) {
if owner == "" || name == "" {
return nil, nil
}
subscription := Subscription{Owner: owner, Name: name}
existed, err := ormer.Engine.Get(&subscription)
if err != nil {
return nil, err
}
if existed {
return &subscription, nil
} else {
return nil, nil
}
}
func GetSubscription(id string) (*Subscription, error) {
owner, name := util.GetOwnerAndNameFromId(id)
return getSubscription(owner, name)
}
func UpdateSubscription(id string, subscription *Subscription) (bool, error) {
owner, name := util.GetOwnerAndNameFromId(id)
if s, err := getSubscription(owner, name); err != nil {
return false, err
} else if s == nil {
return false, nil
}
affected, err := ormer.Engine.ID(core.PK{owner, name}).AllCols().Update(subscription)
if err != nil {
return false, err
}
return affected != 0, nil
}
func AddSubscription(subscription *Subscription) (bool, error) {
affected, err := ormer.Engine.Insert(subscription)
if err != nil {
return false, err
}
return affected != 0, nil
}
func DeleteSubscription(subscription *Subscription) (bool, error) {
affected, err := ormer.Engine.ID(core.PK{subscription.Owner, subscription.Name}).Delete(&Subscription{})
if err != nil {
return false, err
}
return affected != 0, nil
}