feat: add subscription managment (#1858)

* feat: subscription managment

* fix: remove console log

* fix: webhooks

* fix linter

* fix: fix via gofumpt

* fix: review changes

* fix: Copyright 2023

* Update account.go

---------

Co-authored-by: hsluoyz <hsluoyz@qq.com>

object/subscription.go

@@ -0,0 +1,154 @@
+// 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/util"
+	"github.com/xorm-io/core"
+)
+
+const defaultStatus = "Pending"
+
+type Subscription struct {
+	Owner       string `xorm:"varchar(100) notnull pk" json:"owner"`
+	Name        string `xorm:"varchar(100) notnull pk" json:"name"`
+	CreatedTime string `xorm:"varchar(100)" json:"createdTime"`
+	DisplayName string `xorm:"varchar(100)" json:"displayName"`
+	Duration    int    `json:"duration"`
+
+	Description string `xorm:"varchar(100)" json:"description"`
+	Plan        string `xorm:"varchar(100)" json:"plan"`
+
+	StartDate time.Time `json:"startDate"`
+	EndDate   time.Time `json:"endDate"`
+
+	User string `xorm:"mediumtext" json:"user"`
+
+	IsEnabled   bool   `json:"isEnabled"`
+	Submitter   string `xorm:"varchar(100)" json:"submitter"`
+	Approver    string `xorm:"varchar(100)" json:"approver"`
+	ApproveTime string `xorm:"varchar(100)" json:"approveTime"`
+
+	State string `xorm:"varchar(100)" json:"state"`
+}
+
+func NewSubscription(owner string, user string, plan string, duration int) *Subscription {
+	id := util.GenerateId()[:6]
+	return &Subscription{
+		Name:        "Subscription_" + id,
+		DisplayName: "New Subscription - " + id,
+		Owner:       owner,
+		User:        owner + "/" + user,
+		Plan:        owner + "/" + plan,
+		CreatedTime: util.GetCurrentTime(),
+		State:       defaultStatus,
+		Duration:    duration,
+		StartDate:   time.Now(),
+		EndDate:     time.Now().AddDate(0, 0, duration),
+	}
+}
+
+func GetSubscriptionCount(owner, field, value string) int {
+	session := GetSession(owner, -1, -1, field, value, "", "")
+	count, err := session.Count(&Subscription{})
+	if err != nil {
+		panic(err)
+	}
+
+	return int(count)
+}
+
+func GetSubscriptions(owner string) []*Subscription {
+	subscriptions := []*Subscription{}
+	err := adapter.Engine.Desc("created_time").Find(&subscriptions, &Subscription{Owner: owner})
+	if err != nil {
+		panic(err)
+	}
+
+	return subscriptions
+}
+
+func GetPaginationSubscriptions(owner string, offset, limit int, field, value, sortField, sortOrder string) []*Subscription {
+	subscriptions := []*Subscription{}
+	session := GetSession(owner, offset, limit, field, value, sortField, sortOrder)
+	err := session.Find(&subscriptions)
+	if err != nil {
+		panic(err)
+	}
+
+	return subscriptions
+}
+
+func getSubscription(owner string, name string) *Subscription {
+	if owner == "" || name == "" {
+		return nil
+	}
+
+	subscription := Subscription{Owner: owner, Name: name}
+	existed, err := adapter.Engine.Get(&subscription)
+	if err != nil {
+		panic(err)
+	}
+
+	if existed {
+		return &subscription
+	} else {
+		return nil
+	}
+}
+
+func GetSubscription(id string) *Subscription {
+	owner, name := util.GetOwnerAndNameFromId(id)
+	return getSubscription(owner, name)
+}
+
+func UpdateSubscription(id string, subscription *Subscription) bool {
+	owner, name := util.GetOwnerAndNameFromId(id)
+	if getSubscription(owner, name) == nil {
+		return false
+	}
+
+	affected, err := adapter.Engine.ID(core.PK{owner, name}).AllCols().Update(subscription)
+	if err != nil {
+		panic(err)
+	}
+
+	return affected != 0
+}
+
+func AddSubscription(subscription *Subscription) bool {
+	affected, err := adapter.Engine.Insert(subscription)
+	if err != nil {
+		panic(err)
+	}
+
+	return affected != 0
+}
+
+func DeleteSubscription(subscription *Subscription) bool {
+	affected, err := adapter.Engine.ID(core.PK{subscription.Owner, subscription.Name}).Delete(&Subscription{})
+	if err != nil {
+		panic(err)
+	}
+
+	return affected != 0
+}
+
+func (subscription *Subscription) GetId() string {
+	return fmt.Sprintf("%s/%s", subscription.Owner, subscription.Name)
+}