package cards import ( "github.com/stripe/stripe-go/v79" "github.com/stripe/stripe-go/v79/customer" "github.com/stripe/stripe-go/v79/paymentintent" "github.com/stripe/stripe-go/v79/paymentmethod" "github.com/stripe/stripe-go/v79/subscription" ) type Card struct { Secret string Key string Currency string } type Transaction struct { TransactionStatusID int Amount int Currency string LastFour string BankReturnCode string } func (c *Card) Charge(currency string, amount int) (*stripe.PaymentIntent, string, error) { return c.CreatePaymentIntent(currency, amount) } func (c *Card) CreatePaymentIntent( currency string, amount int, ) (*stripe.PaymentIntent, string, error) { stripe.Key = c.Secret // create a payment intent params := &stripe.PaymentIntentParams{ Amount: stripe.Int64(int64(amount)), Currency: stripe.String(currency), } // params.AddMetadata("key", "value") pi, err := paymentintent.New(params) if err != nil { msg := "" if stripeErr, ok := err.(*stripe.Error); ok { msg = cardErrorMessage(stripeErr.Code) } return nil, msg, err } return pi, "", nil } // GetPaymentMethod gets the payment method by payment intend id func (c *Card) GetPaymentMethod(s string) (*stripe.PaymentMethod, error) { stripe.Key = c.Secret pm, err := paymentmethod.Get(s, nil) if err != nil { return nil, err } return pm, nil } // RetrievePaymentMethod gets an existing payment intent by id func (c *Card) RetrievePaymentIntent(id string) (*stripe.PaymentIntent, error) { stripe.Key = c.Secret pi, err := paymentintent.Get(id, nil) if err != nil { return nil, err } return pi, nil } func (c *Card) SubscribeToPlan( cust *stripe.Customer, plan, email, last4, cardType string, ) (*stripe.Subscription, error) { stripeCustomerID := cust.ID items := []*stripe.SubscriptionItemsParams{ {Plan: stripe.String(plan)}, } params := &stripe.SubscriptionParams{ Customer: stripe.String(stripeCustomerID), Items: items, } params.AddMetadata("last_four", last4) params.AddMetadata("card_type", cardType) params.AddExpand("latest_invoice.payment_intent") subscription, err := subscription.New(params) if err != nil { return nil, err } return subscription, nil } func (c *Card) CreateCustomer(pm, email string) (*stripe.Customer, string, error) { stripe.Key = c.Secret customerParams := &stripe.CustomerParams{ PaymentMethod: stripe.String(pm), Email: stripe.String(email), InvoiceSettings: &stripe.CustomerInvoiceSettingsParams{ DefaultPaymentMethod: stripe.String(pm), }, } cust, err := customer.New(customerParams) if err != nil { msg := "" if stripeErr, ok := err.(*stripe.Error); ok { msg = cardErrorMessage(stripeErr.Code) } return nil, msg, err } return cust, "", nil } func cardErrorMessage(code stripe.ErrorCode) string { msg := "" switch code { case stripe.ErrorCodeCardDeclined: msg = "Your card was declined" case stripe.ErrorCodeExpiredCard: msg = "Your card is expired" case stripe.ErrorCodeIncorrectCVC: msg = "Incorrect CVC code" case stripe.ErrorCodeIncorrectZip: msg = "Incorrect zip/postal code" case stripe.ErrorCodeAmountTooLarge: msg = "The amount is too large to charge to your card" case stripe.ErrorCodeAmountTooSmall: msg = "The amount is too small to charge to your card" case stripe.ErrorCodeBalanceInsufficient: msg = "Insufficient balance" case stripe.ErrorCodePostalCodeInvalid: msg = "Incorrect zip/postal code" default: msg = "Your card was declined" } return msg }