80 lines
2.4 KiB
Go
80 lines
2.4 KiB
Go
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package main
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import (
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"context"
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"fmt"
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"os"
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"os/signal"
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"github.com/go-telegram/bot"
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"github.com/go-telegram/bot/models"
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)
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// Payments example
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// 1. Add payment method for your bot in BotFather. For example, use Test provider Paymaster.
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// 2. Store provider token in environment variable EXAMPLE_TELEGRAM_PAYMENT_TOKEN.
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// 3. Start the bot and send /payment command to the bot.
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// 4. Click on the payment button in the chat.
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// 5. Enter test card data: 5185730450000003, 01/30, 123 (see test cards in https://developer.mastercard.com/mastercard-merchant-presented-qr/documentation/server-apis/test-card-numbers/)
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// 6. Click on the Pay button.
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// See https://core.telegram.org/bots/payments#step-by-step-process for details
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func main() {
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ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
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defer cancel()
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opts := []bot.Option{
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bot.WithDefaultHandler(handler),
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bot.WithMessageTextHandler("/payment", bot.MatchTypeExact, handlerPaymentCommand),
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}
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b, _ := bot.New(os.Getenv("EXAMPLE_TELEGRAM_BOT_TOKEN"), opts...)
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b.Start(ctx)
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}
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func handlerPaymentCommand(ctx context.Context, b *bot.Bot, update *models.Update) {
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_, err := b.SendInvoice(ctx, &bot.SendInvoiceParams{
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ChatID: update.Message.Chat.ID,
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MessageThreadID: 0,
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Title: "Invoice Title",
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Description: "Invoice description",
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Payload: "xxx",
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ProviderToken: os.Getenv("EXAMPLE_TELEGRAM_PAYMENT_TOKEN"),
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Currency: "RUB",
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Prices: []models.LabeledPrice{
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{Label: "Price 1", Amount: 12425},
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{Label: "Price 2", Amount: 32454},
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},
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})
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if err != nil {
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fmt.Printf("error sending invoice: %s\n", err)
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}
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}
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func handler(ctx context.Context, b *bot.Bot, update *models.Update) {
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if update.PreCheckoutQuery != nil {
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fmt.Printf("get PreCheckoutQuery for invoce payload: %s\n", update.PreCheckoutQuery.InvoicePayload)
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b.AnswerPreCheckoutQuery(ctx, &bot.AnswerPreCheckoutQueryParams{
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PreCheckoutQueryID: update.PreCheckoutQuery.ID,
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OK: true,
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ErrorMessage: "",
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})
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return
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}
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if update.Message != nil {
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if update.Message.SuccessfulPayment != nil {
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b.SendMessage(ctx, &bot.SendMessageParams{
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ChatID: update.Message.Chat.ID,
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Text: fmt.Sprintf("Payment was successful with payment payload: *%s*", update.Message.SuccessfulPayment.InvoicePayload),
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ParseMode: models.ParseModeMarkdown,
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})
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return
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}
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}
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}
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