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/pricing.go

@@ -0,0 +1,147 @@
+// 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"
+	"strings"
+
+	"github.com/casdoor/casdoor/util"
+	"github.com/xorm-io/core"
+)
+
+type Pricing 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"`
+	Description string `xorm:"varchar(100)" json:"description"`
+
+	Plans         []string `xorm:"mediumtext" json:"plans"`
+	IsEnabled     bool     `json:"isEnabled"`
+	HasTrial      bool     `json:"hasTrial"`
+	TrialDuration int      `json:"trialDuration"`
+	Application   string   `xorm:"varchar(100)" json:"application"`
+
+	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 GetPricingCount(owner, field, value string) int {
+	session := GetSession(owner, -1, -1, field, value, "", "")
+	count, err := session.Count(&Pricing{})
+	if err != nil {
+		panic(err)
+	}
+
+	return int(count)
+}
+
+func GetPricings(owner string) []*Pricing {
+	pricings := []*Pricing{}
+	err := adapter.Engine.Desc("created_time").Find(&pricings, &Pricing{Owner: owner})
+	if err != nil {
+		panic(err)
+	}
+	return pricings
+}
+
+func GetPaginatedPricings(owner string, offset, limit int, field, value, sortField, sortOrder string) []*Pricing {
+	pricings := []*Pricing{}
+	session := GetSession(owner, offset, limit, field, value, sortField, sortOrder)
+	err := session.Find(&pricings)
+	if err != nil {
+		panic(err)
+	}
+	return pricings
+}
+
+func getPricing(owner, name string) *Pricing {
+	if owner == "" || name == "" {
+		return nil
+	}
+
+	pricing := Pricing{Owner: owner, Name: name}
+	existed, err := adapter.Engine.Get(&pricing)
+	if err != nil {
+		panic(err)
+	}
+	if existed {
+		return &pricing
+	} else {
+		return nil
+	}
+}
+
+func GetPricing(id string) *Pricing {
+	owner, name := util.GetOwnerAndNameFromId(id)
+	return getPricing(owner, name)
+}
+
+func UpdatePricing(id string, pricing *Pricing) bool {
+	owner, name := util.GetOwnerAndNameFromId(id)
+	if getPricing(owner, name) == nil {
+		return false
+	}
+
+	affected, err := adapter.Engine.ID(core.PK{owner, name}).AllCols().Update(pricing)
+	if err != nil {
+		panic(err)
+	}
+
+	return affected != 0
+}
+
+func AddPricing(pricing *Pricing) bool {
+	affected, err := adapter.Engine.Insert(pricing)
+	if err != nil {
+		panic(err)
+	}
+	return affected != 0
+}
+
+func DeletePricing(pricing *Pricing) bool {
+	affected, err := adapter.Engine.ID(core.PK{pricing.Owner, pricing.Name}).Delete(pricing)
+	if err != nil {
+		panic(err)
+	}
+	return affected != 0
+}
+
+func (pricing *Pricing) GetId() string {
+	return fmt.Sprintf("%s/%s", pricing.Owner, pricing.Name)
+}
+
+func (pricing *Pricing) HasPlan(owner string, plan string) bool {
+	selectedPlan := GetPlan(fmt.Sprintf("%s/%s", owner, plan))
+
+	if selectedPlan == nil {
+		return false
+	}
+
+	result := false
+
+	for _, pricingPlan := range pricing.Plans {
+		if strings.Contains(pricingPlan, selectedPlan.Name) {
+			result = true
+			break
+		}
+	}
+
+	return result
+}