Getting the paymentIntent set up route and handler in API
This commit is contained in:
parent
79215d5fe1
commit
41cd4cc055
89
cmd/api/api.go
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89
cmd/api/api.go
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@ -0,0 +1,89 @@
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package main
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import (
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"flag"
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"fmt"
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"log"
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"net/http"
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"os"
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"time"
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)
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const (
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version = "1.0.0"
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)
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type config struct {
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port int
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env string
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db struct {
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dsn string
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}
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stripe struct {
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secret string
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key string
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}
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}
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type application struct {
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config config
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infolog *log.Logger
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errorLog *log.Logger
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version string
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}
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func (app *application) serve() error {
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srv := &http.Server{
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Addr: fmt.Sprintf(":%d", app.config.port),
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Handler: app.routes(),
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IdleTimeout: 30 * time.Second,
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ReadTimeout: 10 * time.Second,
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ReadHeaderTimeout: 5 * time.Second,
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WriteTimeout: 5 * time.Second,
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}
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app.infolog.Printf(
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"Starting Backend server in %s mode on port %d",
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app.config.env,
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app.config.port,
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)
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return srv.ListenAndServe()
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}
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func main() {
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var cfg config
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flag.IntVar(&cfg.port, "port", 4001, "Server port to listen on")
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flag.StringVar(
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&cfg.env,
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"env",
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"development",
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"Application environment {development|production|maintenance}",
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)
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flag.StringVar(
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&cfg.db.dsn,
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"dsn",
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"root@tcp(localhost:6379)/widgets?parseTime=true&tls=false",
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"Application environment {development|production}",
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)
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flag.Parse()
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cfg.stripe.key = os.Getenv("STRIPE_KEY")
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cfg.stripe.secret = os.Getenv("STRIPE_SECRET")
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infoLog := log.New(os.Stdout, "INFO\t", log.Ldate|log.Ltime)
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errorLog := log.New(os.Stdout, "ERROR\t", log.Ldate|log.Ltime|log.Lshortfile)
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app := &application{
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version: version,
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config: cfg,
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infolog: infoLog,
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errorLog: errorLog,
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}
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err := app.serve()
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if err != nil {
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log.Fatal(err)
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}
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}
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32
cmd/api/handlers-api.go
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32
cmd/api/handlers-api.go
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@ -0,0 +1,32 @@
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package main
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import (
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"encoding/json"
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"net/http"
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)
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type stripePayload struct {
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Currency string `json:"currency"`
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Amount string `json:"amount"`
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}
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type jsonResponse struct {
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OK bool `json:"ok"`
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Message string `json:"message"`
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Content string `json:"content"`
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ID int `json:"id"`
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}
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func (app *application) GetPaymentIntent(w http.ResponseWriter, r *http.Request) {
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j := jsonResponse{
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OK: true,
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}
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out, err := json.MarshalIndent(j, "", " ")
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if err != nil {
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app.errorLog.Println(err)
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(out)
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}
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23
cmd/api/routes-api.go
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23
cmd/api/routes-api.go
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@ -0,0 +1,23 @@
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package main
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import (
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"net/http"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/cors"
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)
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func (app *application) routes() http.Handler {
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mux := chi.NewRouter()
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mux.Use(cors.Handler(cors.Options{
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AllowedOrigins: []string{"https://*", "http://*"},
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AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
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AllowedHeaders: []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
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AllowCredentials: false,
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MaxAge: 300,
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}))
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mux.Get("/api/payment-intent", app.GetPaymentIntent)
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return mux
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}
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6
go.mod
6
go.mod
@ -2,4 +2,8 @@ module myapp
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go 1.22.5
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require github.com/go-chi/chi/v5 v5.1.0
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require (
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github.com/go-chi/chi/v5 v5.1.0
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github.com/go-chi/cors v1.2.1
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github.com/stripe/stripe-go/v79 v79.6.0
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)
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22
go.sum
22
go.sum
@ -1,2 +1,24 @@
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github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/go-chi/chi/v5 v5.1.0 h1:acVI1TYaD+hhedDJ3r54HyA6sExp3HfXq7QWEEY/xMw=
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github.com/go-chi/chi/v5 v5.1.0/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
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github.com/go-chi/cors v1.2.1 h1:xEC8UT3Rlp2QuWNEr4Fs/c2EAGVKBwy/1vHx3bppil4=
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github.com/go-chi/cors v1.2.1/go.mod h1:sSbTewc+6wYHBBCW7ytsFSn836hqM7JxpglAy2Vzc58=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
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github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/stripe/stripe-go/v79 v79.6.0 h1:qSBV2f2rpLEEZTdTlVLzdmQJZNmfoo2E3hUEkFT8GBc=
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github.com/stripe/stripe-go/v79 v79.6.0/go.mod h1:cuH6X0zC8peY6f1AubHwgJ/fJSn2dh5pfiCr6CjyKVU=
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golang.org/x/net v0.0.0-20210520170846-37e1c6afe023 h1:ADo5wSpq2gqaCGQWzk7S5vd//0iyyLeAratkEoG5dLE=
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golang.org/x/net v0.0.0-20210520170846-37e1c6afe023/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
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golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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75
internal/card/card.go
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75
internal/card/card.go
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package card
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import (
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"github.com/stripe/stripe-go/v79"
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"github.com/stripe/stripe-go/v79/paymentintent"
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)
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type Card struct {
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Secret string
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Key string
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Currency string
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}
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type Transaction struct {
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TransactionStatusID int
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Amount int
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Currency string
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LastFour string
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BankReturnCode string
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}
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func (c *Card) Charge(currency string, amount int) (*stripe.PaymentIntent, string, error) {
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return c.CreatePaymentIntent(currency, amount)
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}
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func (c *Card) CreatePaymentIntent(
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currency string,
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amount int,
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) (*stripe.PaymentIntent, string, error) {
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stripe.Key = c.Secret
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// create a payment intent
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params := &stripe.PaymentIntentParams{
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Amount: stripe.Int64(int64(amount)),
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Currency: stripe.String(currency),
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}
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// params.AddMetadata("key", "value")
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pi, err := paymentintent.New(params)
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if err != nil {
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msg := ""
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if stripeErr, ok := err.(*stripe.Error); ok {
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msg = cardErrorMessage(stripeErr.Code)
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}
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return nil, msg, err
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}
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return pi, "", nil
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}
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func cardErrorMessage(code stripe.ErrorCode) string {
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msg := ""
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switch code {
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case stripe.ErrorCodeCardDeclined:
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msg = "Your card was declined"
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case stripe.ErrorCodeExpiredCard:
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msg = "Your card is expired"
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case stripe.ErrorCodeIncorrectCVC:
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msg = "Incorrect CVC code"
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case stripe.ErrorCodeIncorrectZip:
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msg = "Incorrect zip/postal code"
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case stripe.ErrorCodeAmountTooLarge:
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msg = "The amount is too large to charge to your card"
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case stripe.ErrorCodeAmountTooSmall:
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msg = "The amount is too small to charge to your card"
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case stripe.ErrorCodeBalanceInsufficient:
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msg = "Insufficient balance"
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case stripe.ErrorCodePostalCodeInvalid:
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msg = "Incorrect zip/postal code"
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default:
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msg = "Your card was declined"
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}
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return msg
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}
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