dev env
This commit is contained in:
bronku
parent
6185a59de9
commit
9e16843a29
8 changed files with 178 additions and 123 deletions
125
orders/order.go
125
orders/order.go
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@ -3,61 +3,31 @@ package orders
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import (
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"crypto/rand"
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"encoding/hex"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"log"
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"math"
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"net/http"
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"piekarnikgosipl/data"
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"strconv"
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"strings"
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"unicode"
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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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type listItem struct {
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id string
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count int // count multiplied by 100 to allow for half item purchases
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count int // count multiplied by 10 to allow for half item purchases
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}
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type order struct {
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id string
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name string
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phone string
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items []listItem
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}
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func InitStripe(secret string) { stripe.Key = secret }
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func parseFloat(input string) (int, error) {
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val, err := strconv.ParseFloat(input, 64)
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if err != nil {
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return 0, fmt.Errorf("Nieprawidłowa wartość")
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}
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if val < 0 || val > 100 {
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return 0, fmt.Errorf("Wartość musi być między 0 a 100")
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}
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doubled := val * 2
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if math.Abs(doubled-math.Round(doubled)) > 1e-9 {
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return 0, fmt.Errorf("Wartość musi być wielokrotnością 0,5")
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}
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return int(math.Round(val * 100)), nil
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}
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func validName(name string) bool {
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if name == "" || len(name) > 100 {
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return false
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}
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return strings.IndexFunc(name, unicode.IsControl) == -1
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func newOrderID() string {
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b := make([]byte, 8)
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rand.Read(b)
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return hex.EncodeToString(b)
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}
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func parseOrder(r *http.Request) (order, error) {
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@ -90,55 +60,13 @@ func parseOrder(r *http.Request) (order, error) {
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}
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total += count * price
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}
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if total < 5000 {
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if total < 500 {
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errorList = append(errorList, fmt.Errorf("Minimalna wartość zamówienia wynosi 50zł"))
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}
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o.id = newOrderID()
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return o, errors.Join(errorList...)
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}
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func newOrderID() string {
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b := make([]byte, 8)
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rand.Read(b)
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return hex.EncodeToString(b)
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}
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func startCheckout(w http.ResponseWriter, r *http.Request, o order) {
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id := newOrderID()
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log.Println("ORDER_PENDING", id, 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(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 " + id),
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},
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},
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}},
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SuccessURL: stripe.String("https://piekarnikgosi.pl/dziekujemy?order=" + id),
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CancelURL: stripe.String("https://piekarnikgosi.pl/"),
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})
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if err != nil {
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log.Println("ORDER_STRIPE_ERROR", 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 OrderHandler(w http.ResponseWriter, r *http.Request) {
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r.Body = http.MaxBytesReader(w, r.Body, 16<<10)
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if err := r.ParseForm(); err != nil {
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@ -153,40 +81,3 @@ func OrderHandler(w http.ResponseWriter, r *http.Request) {
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}
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startCheckout(w, r, o)
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}
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func WebhookHandler(secret string) http.HandlerFunc {
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return func(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"), secret,
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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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}
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