stripe
This commit is contained in:
bronku
parent
de22166113
commit
6963a88602
5 changed files with 129 additions and 17 deletions
7
go.mod
7
go.mod
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@ -2,7 +2,11 @@ module piekarnikgosipl
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go 1.26.2
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require github.com/a-h/templ v0.3.1020
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require (
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github.com/a-h/templ v0.3.1020
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github.com/stripe/stripe-go/v82 v82.5.1
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github.com/tdewolff/minify/v2 v2.24.13
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)
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require (
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github.com/a-h/parse v0.0.0-20250122154542-74294addb73e // indirect
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@ -14,7 +18,6 @@ require (
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github.com/mattn/go-colorable v0.1.13 // indirect
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github.com/mattn/go-isatty v0.0.20 // indirect
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github.com/natefinch/atomic v1.0.1 // indirect
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github.com/tdewolff/minify/v2 v2.24.13 // indirect
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github.com/tdewolff/parse/v2 v2.8.12 // indirect
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golang.org/x/mod v0.26.0 // indirect
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golang.org/x/net v0.51.0 // indirect
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10
go.sum
10
go.sum
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@ -12,8 +12,6 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
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github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
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github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
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github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
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github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
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github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
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github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
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@ -29,11 +27,15 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
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github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
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github.com/stripe/stripe-go/v82 v82.5.1 h1:05q6ZDKoe8PLMpQV072obF74HCgP4XJeJYoNuRSX2+8=
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github.com/stripe/stripe-go/v82 v82.5.1/go.mod h1:majCQX6AfObAvJiHraPi/5udwHi4ojRvJnnxckvHrX8=
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github.com/tdewolff/minify/v2 v2.24.13 h1:xrcF7gKDnUszseEY9WX9mUlZII2v2Go/QAcAwRASw58=
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github.com/tdewolff/minify/v2 v2.24.13/go.mod h1:emvwoYeIl8bfAKqRU5ww95LX9Gpggpqv/naal9a8Yq0=
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github.com/tdewolff/parse/v2 v2.8.12 h1:5BBjfaCv482v3nltlS0u6wH1xJaxjR6ofDrWttNvROg=
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github.com/tdewolff/parse/v2 v2.8.12/go.mod h1:Hwlni2tiVNKyzR1o6nUs4FOF07URA+JLBLd6dlIXYqo=
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github.com/tdewolff/test v1.0.11/go.mod h1:XPuWBzvdUzhCuxWO1ojpXsyzsA5bFoS3tO/Q3kFuTG8=
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github.com/tdewolff/test v1.0.12 h1:7F21DqIajswxuche0geHdrUZRCWE4oko4b7bcmkkrxk=
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github.com/tdewolff/test v1.0.12/go.mod h1:XPuWBzvdUzhCuxWO1ojpXsyzsA5bFoS3tO/Q3kFuTG8=
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golang.org/x/mod v0.26.0 h1:EGMPT//Ezu+ylkCijjPc+f4Aih7sZvaAr+O3EHBxvZg=
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golang.org/x/mod v0.26.0/go.mod h1:/j6NAhSk8iQ723BGAUyoAcn7SlD7s15Dp9Nd/SfeaFQ=
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golang.org/x/net v0.51.0 h1:94R/GTO7mt3/4wIKpcR5gkGmRLOuE/2hNGeWq/GBIFo=
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@ -42,10 +44,10 @@ golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
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golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
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golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
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golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
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golang.org/x/sys v0.43.0 h1:Rlag2XtaFTxp19wS8MXlJwTvoh8ArU6ezoyFsMyCTNI=
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golang.org/x/sys v0.43.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
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golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
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golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA=
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golang.org/x/tools v0.35.0 h1:mBffYraMEf7aa0sB+NuKnuCy8qI/9Bughn8dC2Gu5r0=
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golang.org/x/tools v0.35.0/go.mod h1:NKdj5HkL/73byiZSJjqJgKn3ep7KjFkBOkR/Hps3VPw=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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14
main.go
14
main.go
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@ -207,9 +207,15 @@ func main() {
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if len(os.Args) > 1 {
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return
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}
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server := http.ServeMux{}
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server.Handle("/", http.FileServer(http.Dir("www")))
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server.HandleFunc("POST /order/", orders.OrderHandler)
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orders.InitStripe(os.Getenv("STRIPE_SECRET_KEY"))
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mux := http.ServeMux{}
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mux.Handle("/", http.FileServer(http.Dir("www")))
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mux.HandleFunc("POST /order/", orders.OrderHandler)
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mux.HandleFunc("POST /webhook", orders.WebhookHandler(os.Getenv("STRIPE_WEBHOOK_SECRET")))
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log.Println("listening on :8000")
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log.Fatal(http.ListenAndServe(":8000", &server))
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log.Fatal(http.ListenAndServe(":8000", &mux))
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}
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113
orders/order.go
113
orders/order.go
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@ -1,15 +1,27 @@
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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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@ -21,6 +33,8 @@ type order struct {
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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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@ -37,25 +51,31 @@ func parseFloat(input string) (int, error) {
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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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}
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func parseOrder(r *http.Request) (order, error) {
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var o order
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var err error
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var errorList []error
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o.name = r.PostFormValue("name")
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if o.name == "" {
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o.name = strings.TrimSpace(r.PostFormValue("name"))
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if !validName(o.name) {
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errorList = append(errorList, fmt.Errorf("Invalid name"))
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}
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o.phone, err = parseAndValidatePolishMobile(r.PostFormValue("phone"))
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o.phone, err = parsePhone(r.PostFormValue("phone"))
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if err != nil {
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errorList = append(errorList, err)
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}
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for _, item := range data.Swieta {
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count, err := parseFloat(r.PostFormValue(item.Id))
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if err != nil {
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errorList = append(errorList, fmt.Errorf("Can't parse the count for %v: %e", item.Name, err))
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errorList = append(errorList, fmt.Errorf("Can't parse the count for %v: %v", item.Name, err))
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continue
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}
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if count%10 == 5 && !item.Halveable {
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@ -67,8 +87,89 @@ func parseOrder(r *http.Request) (order, error) {
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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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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"),
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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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http.Error(w, "payment error", http.StatusInternalServerError)
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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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o, err := parseOrder(r)
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log.Println(o, err)
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fmt.Fprintf(w, "%v, %v", o, err)
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if err != nil {
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log.Println("ORDER_INVALID", o, err)
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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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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@ -29,7 +29,7 @@ func isValidPolishMobile(nineDigitNum string) bool {
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return validPrefixes[prefix2]
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}
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func parseAndValidatePolishMobile(input string) (string, error) {
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func parsePhone(input string) (string, error) {
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input = strings.TrimSpace(input)
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if strings.HasPrefix(input, "+48") {
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