mirror of
https://github.com/TeaOSLab/EdgeAPI.git
synced 2025-11-07 02:20:24 +08:00
374 lines
8.5 KiB
Go
374 lines
8.5 KiB
Go
package models
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import (
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"encoding/json"
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"github.com/TeaOSLab/EdgeAPI/internal/remotelogs"
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"github.com/TeaOSLab/EdgeAPI/internal/utils/numberutils"
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"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
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_ "github.com/go-sql-driver/mysql"
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"github.com/iwind/TeaGo/Tea"
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"github.com/iwind/TeaGo/dbs"
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"github.com/iwind/TeaGo/lists"
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"github.com/iwind/TeaGo/maps"
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"github.com/iwind/TeaGo/rands"
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"github.com/iwind/TeaGo/types"
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timeutil "github.com/iwind/TeaGo/utils/time"
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"time"
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)
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func init() {
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dbs.OnReadyDone(func() {
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var generatedMonths = []string{}
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go func() {
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// 自动生成账单任务
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var ticker = time.NewTicker(1 * time.Minute)
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for range ticker.C {
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// 是否已经生成了，如果已经生成了就跳过
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var lastMonth = timeutil.Format("Ym", time.Now().AddDate(0, -1, 0))
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if lists.ContainsString(generatedMonths, lastMonth) {
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continue
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}
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err := SharedUserBillDAO.GenerateBills(nil, lastMonth)
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if err != nil {
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remotelogs.Error("UserBillDAO", "generate bills failed: "+err.Error())
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} else {
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generatedMonths = append(generatedMonths, lastMonth)
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}
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}
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}()
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})
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}
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type BillType = string
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const (
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BillTypeTraffic BillType = "traffic" // 按流量计费
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)
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type UserBillDAO dbs.DAO
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func NewUserBillDAO() *UserBillDAO {
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return dbs.NewDAO(&UserBillDAO{
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DAOObject: dbs.DAOObject{
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DB: Tea.Env,
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Table: "edgeUserBills",
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Model: new(UserBill),
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PkName: "id",
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},
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}).(*UserBillDAO)
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}
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var SharedUserBillDAO *UserBillDAO
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func init() {
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dbs.OnReady(func() {
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SharedUserBillDAO = NewUserBillDAO()
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})
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}
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// FindUserBill 查找单个账单
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func (this *UserBillDAO) FindUserBill(tx *dbs.Tx, billId int64) (*UserBill, error) {
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one, err := this.Query(tx).
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Pk(billId).
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Find()
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if err != nil || one == nil {
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return nil, err
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}
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return one.(*UserBill), nil
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}
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// CountAllUserBills 计算账单数量
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func (this *UserBillDAO) CountAllUserBills(tx *dbs.Tx, isPaid int32, userId int64, month string) (int64, error) {
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query := this.Query(tx)
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if isPaid == 0 {
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query.Attr("isPaid", 0)
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} else if isPaid > 0 {
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query.Attr("isPaid", 1)
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}
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if userId > 0 {
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query.Attr("userId", userId)
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}
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if len(month) > 0 {
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query.Attr("month", month)
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}
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return query.Count()
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}
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// ListUserBills 列出单页账单
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func (this *UserBillDAO) ListUserBills(tx *dbs.Tx, isPaid int32, userId int64, month string, offset, size int64) (result []*UserBill, err error) {
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query := this.Query(tx)
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if isPaid == 0 {
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query.Attr("isPaid", 0)
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} else if isPaid > 0 {
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query.Attr("isPaid", 1)
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}
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if userId > 0 {
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query.Attr("userId", userId)
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}
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if len(month) > 0 {
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query.Attr("month", month)
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}
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_, err = query.
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Offset(offset).
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Limit(size).
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Slice(&result).
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DescPk().
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FindAll()
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return
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}
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// FindUnpaidBills 查找未支付订单
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func (this *UserBillDAO) FindUnpaidBills(tx *dbs.Tx, size int64) (result []*UserBill, err error) {
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if size <= 0 {
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size = 10000
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}
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_, err = this.Query(tx).
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Attr("isPaid", false).
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Lt("month", timeutil.Format("Ym")). //当月的不能支付，因为当月还没过完
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Limit(size).
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DescPk().
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Slice(&result).
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FindAll()
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return
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}
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// CreateBill 创建账单
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func (this *UserBillDAO) CreateBill(tx *dbs.Tx, userId int64, billType BillType, description string, amount float32, month string) error {
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code, err := this.GenerateBillCode(tx)
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if err != nil {
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return err
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}
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return this.Query(tx).
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InsertOrUpdateQuickly(maps.Map{
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"userId": userId,
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"type": billType,
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"description": description,
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"amount": amount,
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"month": month,
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"code": code,
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"isPaid": false,
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}, maps.Map{
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"amount": amount,
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})
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}
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// ExistBill 检查是否有当月账单
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func (this *UserBillDAO) ExistBill(tx *dbs.Tx, userId int64, billType BillType, month string) (bool, error) {
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return this.Query(tx).
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Attr("userId", userId).
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Attr("month", month).
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Attr("type", billType).
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Exist()
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}
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// GenerateBills 生成账单
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// month 格式YYYYMM
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func (this *UserBillDAO) GenerateBills(tx *dbs.Tx, month string) error {
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// 区域价格
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regions, err := SharedNodeRegionDAO.FindAllEnabledRegionPrices(tx)
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if err != nil {
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return err
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}
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if len(regions) == 0 {
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return nil
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}
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priceItems, err := SharedNodePriceItemDAO.FindAllEnabledRegionPrices(tx, NodePriceTypeTraffic)
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if err != nil {
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return err
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}
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if len(priceItems) == 0 {
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return nil
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}
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// 计算套餐费用
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plans, err := SharedPlanDAO.FindAllEnabledPlans(tx)
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if err != nil {
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return err
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}
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var planMap = map[int64]*Plan{}
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for _, plan := range plans {
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planMap[int64(plan.Id)] = plan
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}
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stats, err := SharedServerDailyStatDAO.FindMonthlyStatsWithPlan(tx, month)
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if err != nil {
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return err
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}
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for _, stat := range stats {
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plan, ok := planMap[int64(stat.PlanId)]
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if !ok {
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continue
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}
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if plan.PriceType != serverconfigs.PlanPriceTypeTraffic {
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continue
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}
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if len(plan.TrafficPrice) == 0 {
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continue
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}
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var priceConfig = &serverconfigs.PlanTrafficPrice{}
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err = json.Unmarshal([]byte(plan.TrafficPrice), priceConfig)
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if err != nil {
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return err
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}
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if priceConfig.Base > 0 {
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var fee = priceConfig.Base * (float32(stat.Bytes) / 1024 / 1024 / 1024)
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err = SharedServerDailyStatDAO.UpdateStatFee(tx, int64(stat.Id), fee)
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if err != nil {
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return err
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}
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}
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}
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// 用户
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offset := int64(0)
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size := int64(100) // 每次只查询N次，防止由于执行时间过长而锁表
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for {
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userIds, err := SharedUserDAO.ListEnabledUserIds(tx, offset, size)
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if err != nil {
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return err
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}
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offset += size
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if len(userIds) == 0 {
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break
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}
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for _, userId := range userIds {
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// CDN流量账单
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err := this.generateTrafficBill(tx, userId, month, regions, priceItems)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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// UpdateUserBillIsPaid 设置账单已支付
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func (this *UserBillDAO) UpdateUserBillIsPaid(tx *dbs.Tx, billId int64, isPaid bool) error {
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return this.Query(tx).
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Pk(billId).
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Set("isPaid", isPaid).
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UpdateQuickly()
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}
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// 生成CDN流量账单
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// month 格式YYYYMM
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func (this *UserBillDAO) generateTrafficBill(tx *dbs.Tx, userId int64, month string, regions []*NodeRegion, priceItems []*NodePriceItem) error {
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// 检查是否已经有账单了
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if month < timeutil.Format("Ym") {
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b, err := this.ExistBill(tx, userId, BillTypeTraffic, month)
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if err != nil {
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return err
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}
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if b {
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return nil
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}
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}
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var cost = float32(0)
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for _, region := range regions {
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if len(region.Prices) == 0 || region.Prices == "null" {
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continue
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}
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priceMap := map[string]float32{}
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err := json.Unmarshal([]byte(region.Prices), &priceMap)
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if err != nil {
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return err
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}
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trafficBytes, err := SharedServerDailyStatDAO.SumUserMonthlyWithoutPlan(tx, userId, int64(region.Id), month)
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if err != nil {
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return err
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}
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if trafficBytes == 0 {
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continue
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}
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itemId := SharedNodePriceItemDAO.SearchItemsWithBytes(priceItems, trafficBytes)
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if itemId == 0 {
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continue
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}
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price, ok := priceMap[numberutils.FormatInt64(itemId)]
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if !ok {
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continue
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}
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// 计算钱
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// 这里采用1000进制
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cost += (float32(trafficBytes*8) / 1_000_000_000) * price
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}
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// 套餐费用
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planFee, err := SharedServerDailyStatDAO.SumUserMonthlyFee(tx, userId, month)
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if err != nil {
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return err
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}
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cost += float32(planFee)
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if cost == 0 {
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return nil
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}
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// 创建账单
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return this.CreateBill(tx, userId, BillTypeTraffic, "按流量计费", cost, month)
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}
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// BillTypeName 获取账单类型名称
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func (this *UserBillDAO) BillTypeName(billType BillType) string {
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switch billType {
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case BillTypeTraffic:
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return "流量"
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}
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return ""
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}
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// GenerateBillCode 生成账单编号
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func (this *UserBillDAO) GenerateBillCode(tx *dbs.Tx) (string, error) {
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var code = timeutil.Format("YmdHis") + types.String(rands.Int(100000, 999999))
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exists, err := this.Query(tx).
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Attr("code", code).
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Exist()
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if err != nil {
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return "", err
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}
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if !exists {
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return code, nil
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}
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return this.GenerateBillCode(tx)
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}
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// CheckUserBill 检查用户账单
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func (this *UserBillDAO) CheckUserBill(tx *dbs.Tx, userId int64, billId int64) error {
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if userId <= 0 || billId <= 0 {
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return ErrNotFound
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}
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exists, err := this.Query(tx).
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Pk(billId).
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Attr("userId", userId).
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Exist()
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if err != nil {
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return err
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}
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if !exists {
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return ErrNotFound
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}
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return nil
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}
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// SumUnpaidUserBill 计算某个用户未支付总额
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func (this *UserBillDAO) SumUnpaidUserBill(tx *dbs.Tx, userId int64) (float32, error) {
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sum, err := this.Query(tx).
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Attr("userId", userId).
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Attr("isPaid", 0).
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Sum("amount", 0)
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if err != nil {
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return 0, err
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}
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return float32(sum), nil
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}
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