storj/cmd/satellite/billing.go

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// Copyright (C) 2020 Storj Labs, Inc.
// See LICENSE for copying information.
package main
import (
"context"
"fmt"
"strconv"
"strings"
"time"
"github.com/zeebo/errs"
"go.uber.org/zap"
"storj.io/common/memory"
"storj.io/common/storj"
"storj.io/common/uuid"
"storj.io/storj/satellite"
"storj.io/storj/satellite/payments/stripecoinpayments"
"storj.io/storj/satellite/satellitedb"
)
func runBillingCmd(ctx context.Context, cmdFunc func(context.Context, *stripecoinpayments.Service, satellite.DB) error) error {
// Open SatelliteDB for the Payment Service
logger := zap.L()
db, err := satellitedb.Open(ctx, logger.Named("db"), runCfg.Database, satellitedb.Options{ApplicationName: "satellite-billing"})
if err != nil {
return errs.New("error connecting to master database on satellite: %+v", err)
}
defer func() {
err = errs.Combine(err, db.Close())
}()
payments, err := setupPayments(logger, db)
if err != nil {
return err
}
return cmdFunc(ctx, payments, db)
}
func setupPayments(log *zap.Logger, db satellite.DB) (*stripecoinpayments.Service, error) {
pc := runCfg.Payments
var stripeClient stripecoinpayments.StripeClient
switch pc.Provider {
default:
stripeClient = stripecoinpayments.NewStripeMock(
storj.NodeID{},
db.StripeCoinPayments().Customers(),
db.Console().Users(),
)
case "stripecoinpayments":
stripeClient = stripecoinpayments.NewStripeClient(log, pc.StripeCoinPayments)
}
return stripecoinpayments.NewService(
log.Named("payments.stripe:service"),
stripeClient,
pc.StripeCoinPayments,
db.StripeCoinPayments(),
db.Console().Projects(),
db.ProjectAccounting(),
pc.StorageTBPrice,
pc.EgressTBPrice,
pc.ObjectPrice,
pc.BonusRate,
pc.CouponValue,
pc.CouponDuration.IntPointer(),
pc.CouponProjectLimit,
pc.MinCoinPayment)
}
// parseBillingPeriodFromString parses provided date string and returns corresponding time.Time.
func parseBillingPeriod(s string) (time.Time, error) {
values := strings.Split(s, "/")
if len(values) != 2 {
return time.Time{}, errs.New("invalid date format %s, use mm/yyyy", s)
}
month, err := strconv.ParseInt(values[0], 10, 64)
if err != nil {
return time.Time{}, errs.New("can not parse month: %v", err)
}
year, err := strconv.ParseInt(values[1], 10, 64)
if err != nil {
return time.Time{}, errs.New("can not parse year: %v", err)
}
date := time.Date(int(year), time.Month(month), 1, 0, 0, 0, 0, time.UTC)
if date.Year() != int(year) || date.Month() != time.Month(month) || date.Day() != 1 {
return date, errs.New("dates mismatch have %s result %s", s, date)
}
return date, nil
}
// userData contains the uuid and email of a satellite user.
type userData struct {
ID uuid.UUID
Email string
}
// generateStripeCustomers creates missing stripe-customers for users in our database.
func generateStripeCustomers(ctx context.Context) (err error) {
return runBillingCmd(ctx, func(ctx context.Context, payments *stripecoinpayments.Service, db satellite.DB) error {
accounts := payments.Accounts()
cusDB := db.StripeCoinPayments().Customers().Raw()
rows, err := cusDB.Query(ctx, "SELECT id, email FROM users WHERE id NOT IN (SELECT user_id from stripe_customers) AND users.status=1")
if err != nil {
return err
}
defer func() {
err = errs.Combine(err, rows.Close())
}()
var n int64
for rows.Next() {
n++
var user userData
err := rows.Scan(&user.ID, &user.Email)
if err != nil {
return err
}
err = accounts.Setup(ctx, user.ID, user.Email)
if err != nil {
return err
}
}
zap.L().Info("Ensured Stripe-Customer", zap.Int64("created", n))
return err
})
}
// checkPaidTier ensures that all customers with a credit card are in the paid tier.
func checkPaidTier(ctx context.Context) (err error) {
usageLimitsConfig := runCfg.Console.UsageLimits
fmt.Println("This command will do the following:\nFor every user who has added a credit card and is not already in the paid tier:")
fmt.Printf("Move this user to the paid tier and change their current project limits to:\n\tStorage: %s\n\tBandwidth: %s\n", usageLimitsConfig.Storage.Paid.String(), usageLimitsConfig.Bandwidth.Paid.String())
fmt.Printf("Do you really want to run this command? (confirm with 'yes') ")
var confirm string
n, err := fmt.Scanln(&confirm)
if err != nil {
if n != 0 {
return err
}
// fmt.Scanln cannot handle empty input
confirm = "n"
}
if strings.ToLower(confirm) != "yes" {
fmt.Println("Aborted - no users or projects have been modified")
return nil
}
return runBillingCmd(ctx, func(ctx context.Context, payments *stripecoinpayments.Service, db satellite.DB) error {
customers := db.StripeCoinPayments().Customers()
creditCards := payments.Accounts().CreditCards()
users := db.Console().Users()
projects := db.Console().Projects()
usersUpgraded := 0
projectsUpgraded := 0
failedUsers := make(map[uuid.UUID]bool)
morePages := true
nextOffset := int64(0)
listingLimit := 100
end := time.Now()
for morePages {
if err = ctx.Err(); err != nil {
return err
}
customersPage, err := customers.List(ctx, nextOffset, listingLimit, end)
if err != nil {
return err
}
morePages = customersPage.Next
nextOffset = customersPage.NextOffset
for _, c := range customersPage.Customers {
user, err := users.Get(ctx, c.UserID)
if err != nil {
return err
}
if user.PaidTier {
// already in paid tier; go to next customer
continue
}
cards, err := creditCards.List(ctx, user.ID)
if err != nil {
return err
}
if len(cards) == 0 {
// no card added, so no paid tier; go to next customer
continue
}
// convert user to paid tier
err = users.UpdatePaidTier(ctx, user.ID, true)
if err != nil {
return err
}
usersUpgraded++
// increase limits of existing projects to paid tier
userProjects, err := projects.GetOwn(ctx, user.ID)
if err != nil {
failedUsers[user.ID] = true
fmt.Printf("Error getting user's projects; skipping: %v\n", err)
continue
}
for _, project := range userProjects {
if project.StorageLimit == nil || *project.StorageLimit < usageLimitsConfig.Storage.Paid {
project.StorageLimit = new(memory.Size)
*project.StorageLimit = usageLimitsConfig.Storage.Paid
}
if project.BandwidthLimit == nil || *project.BandwidthLimit < usageLimitsConfig.Bandwidth.Paid {
project.BandwidthLimit = new(memory.Size)
*project.BandwidthLimit = usageLimitsConfig.Bandwidth.Paid
}
err = projects.Update(ctx, &project)
if err != nil {
failedUsers[user.ID] = true
fmt.Printf("Error updating user's project; skipping: %v\n", err)
continue
}
projectsUpgraded++
}
}
}
fmt.Printf("Finished. Upgraded %d users and %d projects.\n", usersUpgraded, projectsUpgraded)
if len(failedUsers) > 0 {
fmt.Println("Failed to upgrade some users' projects to paid tier:")
for id := range failedUsers {
fmt.Println(id.String())
}
}
return nil
})
}