99 lines
2.9 KiB
Go
99 lines
2.9 KiB
Go
package orders
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import (
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"encoding/json"
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"io"
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"log"
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"net/http"
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"os"
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"github.com/stripe/stripe-go/v82"
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"github.com/stripe/stripe-go/v82/checkout/session"
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"github.com/stripe/stripe-go/v82/webhook"
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)
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const retainer = 5000 // 50zł
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var siteUrl = "https://piekarnikgosi.pl"
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var webhookSecret = ""
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func init() {
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if os.Getenv("DEV_ENV") == "TRUE" {
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siteUrl = "http://localhost:8000"
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}
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log.Println("the url is: ", siteUrl)
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stripe.Key = os.Getenv("STRIPE_SECRET_KEY")
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webhookSecret = os.Getenv("WEBHOOK_SECRET")
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}
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func startCheckout(w http.ResponseWriter, r *http.Request, o order) {
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log.Println("ORDER_PENDING", o)
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url := r.URL.RequestURI()
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log.Println(url)
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s, err := session.New(&stripe.CheckoutSessionParams{
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Mode: stripe.String("payment"),
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ClientReferenceID: stripe.String(o.id),
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Locale: stripe.String("pl"),
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LineItems: []*stripe.CheckoutSessionLineItemParams{{
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Quantity: stripe.Int64(1),
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PriceData: &stripe.CheckoutSessionLineItemPriceDataParams{
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Currency: stripe.String("pln"),
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UnitAmount: stripe.Int64(retainer),
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ProductData: &stripe.CheckoutSessionLineItemPriceDataProductDataParams{
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Name: stripe.String("Zaliczka na zamówienie " + o.id),
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},
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},
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}},
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SuccessURL: stripe.String(siteUrl + "/dziekujemy?order=" + o.id),
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CancelURL: stripe.String(siteUrl),
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})
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if err != nil {
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log.Println("ORDER_STRIPE_ERROR", o.id, err)
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writeErrors(w, r, http.StatusInternalServerError, "Nie udało się przejść do płatności. Spróbuj ponownie lub zadzwoń: 690 214 515.")
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return
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}
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if r.Header.Get("HX-Request") == "true" {
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w.Header().Set("HX-Redirect", s.URL)
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w.WriteHeader(http.StatusOK)
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return
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}
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http.Redirect(w, r, s.URL, http.StatusSeeOther)
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}
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func WebhookHandler(w http.ResponseWriter, r *http.Request) {
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body, err := io.ReadAll(http.MaxBytesReader(w, r.Body, 65536))
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if err != nil {
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http.Error(w, "bad body", http.StatusBadRequest)
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return
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}
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event, err := webhook.ConstructEventWithOptions(body, r.Header.Get("Stripe-Signature"), webhookSecret,
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webhook.ConstructEventOptions{IgnoreAPIVersionMismatch: true})
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if err != nil {
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http.Error(w, "bad signature", http.StatusBadRequest)
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return
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}
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if event.Type != "checkout.session.completed" && event.Type != "checkout.session.async_payment_succeeded" {
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w.WriteHeader(http.StatusOK)
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return
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}
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var s stripe.CheckoutSession
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if err := json.Unmarshal(event.Data.Raw, &s); err != nil {
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http.Error(w, "bad event", http.StatusBadRequest)
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return
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}
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switch {
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case s.PaymentStatus != stripe.CheckoutSessionPaymentStatusPaid:
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log.Println("ORDER_NOT_YET_PAID", s.ClientReferenceID, s.ID, s.PaymentStatus)
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case s.AmountTotal != retainer || s.Currency != stripe.CurrencyPLN:
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log.Println("ORDER_PAYMENT_MISMATCH", s.ClientReferenceID, s.ID, s.AmountTotal, s.Currency)
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default:
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log.Println("ORDER_PAID", s.ClientReferenceID, s.ID)
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}
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w.WriteHeader(http.StatusOK)
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}
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