func buySnap(opts *store.BuyOptions) error {
cli := Client()
if !cli.LoggedIn() {
return fmt.Errorf(i18n.G("You need to be logged in to purchase software. Please run 'snap login' and try again."))
}
if strings.ContainsAny(opts.SnapName, ":*") {
return fmt.Errorf(i18n.G("cannot buy snap %q: invalid characters in name"), opts.SnapName)
}
snap, resultInfo, err := cli.FindOne(opts.SnapName)
if err != nil {
return err
}
opts.SnapID = snap.ID
if opts.Currency == "" {
opts.Currency = resultInfo.SuggestedCurrency
}
opts.Price, opts.Currency, err = getPrice(snap.Prices, opts.Currency)
if err != nil {
return fmt.Errorf(i18n.G("cannot buy snap %q: %v"), opts.SnapName, err)
}
if snap.Status == "available" {
return fmt.Errorf(i18n.G("cannot buy snap %q: it has already been bought"), opts.SnapName)
}
err = cli.ReadyToBuy()
if err != nil {
if e, ok := err.(*client.Error); ok {
switch e.Kind {
case client.ErrorKindNoPaymentMethods:
return fmt.Errorf(i18n.G(`You do not have a payment method associated with your account, visit https://my.ubuntu.com/payment/edit to add one.
Once completed, return here and run 'snap buy %s' again.`), snap.Name)
case client.ErrorKindTermsNotAccepted:
return fmt.Errorf(i18n.G(`Please visit https://my.ubuntu.com/terms to agree to the latest terms and conditions.
Once completed, return here and run 'snap buy %s' again.`), snap.Name)
}
}
return err
}
// TRANSLATORS: %q, %q and %s are the snap name, developer, and price. Please wrap the translation at 80 characters.
fmt.Fprintf(Stdout, i18n.G(`Please re-enter your Ubuntu One password to purchase %q from %q
for %s. Press ctrl-c to cancel.`), snap.Name, snap.Developer, formatPrice(opts.Price, opts.Currency))
fmt.Fprint(Stdout, "\n")
err = requestLogin("")
if err != nil {
return err
}
_, err = cli.Buy(opts)
if err != nil {
if e, ok := err.(*client.Error); ok {
switch e.Kind {
case client.ErrorKindPaymentDeclined:
return fmt.Errorf(i18n.G(`Sorry, your payment method has been declined by the issuer. Please review your
payment details at https://my.ubuntu.com/payment/edit and try again.`))
}
}
return err
}
// TRANSLATORS: %q and %s are the same snap name. Please wrap the translation at 80 characters.
fmt.Fprintf(Stdout, i18n.G(`Thanks for purchasing %q. You may now install it on any of your devices
with 'snap install %s'.`), opts.SnapName, opts.SnapName)
fmt.Fprint(Stdout, "\n")
return nil
}
func buySnap(opts *store.BuyOptions) error {
cli := Client()
if !cli.LoggedIn() {
return fmt.Errorf(i18n.G("You need to be logged in to purchase software. Please run 'snap login' and try again."))
}
if strings.ContainsAny(opts.SnapName, ":*") {
return fmt.Errorf(i18n.G("cannot buy snap %q: invalid characters in name"), opts.SnapName)
}
snap, resultInfo, err := cli.FindOne(opts.SnapName)
if err != nil {
return err
}
opts.SnapID = snap.ID
if opts.Currency == "" {
opts.Currency = resultInfo.SuggestedCurrency
}
opts.Price, opts.Currency, err = getPrice(snap.Prices, opts.Currency)
if err != nil {
return fmt.Errorf(i18n.G("cannot buy snap %q: %v"), opts.SnapName, err)
}
if snap.Status == "available" {
return fmt.Errorf(i18n.G("cannot buy snap %q: it has already been bought"), opts.SnapName)
}
// TODO Change to use the new /buy/ready endpoint instead of checking payment methods
paymentInfo, err := cli.PaymentMethods()
if err != nil {
return err
}
var methods []*store.PaymentMethod
for _, method := range paymentInfo.Methods {
if !method.RequiresInteraction {
methods = append(methods, method)
}
}
if len(methods) == 0 {
return fmt.Errorf(i18n.G("cannot buy snap %q: no payment methods registered"), opts.SnapName)
}
reader := bufio.NewReader(nil)
reader.Reset(Stdin)
// Unless the user has enabled automatic payments, we must prompt for a payment method.
if !paymentInfo.AllowsAutomaticPayment {
w := tabwriter.NewWriter(Stdout, 0, 3, 2, ' ', 0)
index := -1
fmt.Fprintln(w, i18n.G("\tSelection\tDescription"))
for i, method := range methods {
preferred := ""
if method.Preferred {
preferred = "*"
index = i + 1
}
fmt.Fprintf(w, "%s\t%d\t%s\n", preferred, i+1, method.Description)
}
w.Flush()
if index > 0 {
// If the user has a preferred payment method
fmt.Fprintf(Stdout, i18n.G("Press <enter> to use your default[*], or type a number to select payment method: "))
} else {
fmt.Fprintf(Stdout, i18n.G("Type a number to select payment method: "))
}
response, _, err := reader.ReadLine()
if err != nil {
return err
}
stringResponse := string(response)
if !(stringResponse == "" && index > 0) {
// If the user answered and also has no preferred method, we need to parse the response.
index, err = strconv.Atoi(stringResponse)
if err != nil {
return fmt.Errorf(i18n.G("cannot buy snap %q: invalid payment method selection %q"), snap.Name, stringResponse)
}
if index <= 0 || index > len(methods) {
return fmt.Errorf(i18n.G("cannot buy snap %q: unknown payment method selection %d"), snap.Name, index)
}
}
// Convert the payment selection to a zero-index
paymentMethod := methods[index-1]
opts.BackendID = paymentMethod.BackendID
opts.MethodID = paymentMethod.ID
}
fmt.Fprintf(Stdout, i18n.G("Do you want to buy %q from %q for %s? (Y/n): "), snap.Name,
snap.Developer, formatPrice(opts.Price, opts.Currency))
response, _, err := reader.ReadLine()
if err != nil {
return err
}
if !positiveResponse[strings.ToLower(string(response))] {
return fmt.Errorf(i18n.G("aborting"))
}
result, err := cli.Buy(opts)
if err != nil {
return err
}
if result.State == "InProgress" {
// TODO Support interactive purchases on the CLI
return fmt.Errorf(i18n.G("cannot buy snap %q: the command line tools do not support interactive purchases"), snap.Name)
}
// TRANSLATORS: %s is a snap name
fmt.Fprintf(Stdout, i18n.G("%s bought\n"), opts.SnapName)
return nil
}