udemy-go-web-2/cmd/api/handlers-api.go

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package main
import (
"encoding/json"
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"myapp/internal/cards"
"net/http"
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"strconv"
)
type stripePayload struct {
Currency string `json:"currency"`
Amount string `json:"amount"`
}
type jsonResponse struct {
OK bool `json:"ok"`
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Message string `json:"message,omitempty"`
Content string `json:"content,omitempty"`
ID int `json:"id,omitempty"`
}
func (app *application) GetPaymentIntent(w http.ResponseWriter, r *http.Request) {
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var payload stripePayload
err := json.NewDecoder(r.Body).Decode(&payload)
if err != nil {
app.errorLog.Println(err)
return // TODO: return a valid json
}
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amount, err := strconv.Atoi(payload.Amount)
if err != nil {
app.errorLog.Println(err)
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return // TODO: return a valid json
}
card := cards.Card{
Secret: app.config.stripe.secret,
Key: app.config.stripe.key,
Currency: payload.Currency,
}
pi, msg, err := card.Charge(payload.Currency, amount)
if err != nil {
j := jsonResponse{
OK: false,
Message: msg,
Content: "",
}
out, err := json.MarshalIndent(j, "", " ")
if err != nil {
app.errorLog.Println(err)
}
w.Header().Set("Content-Type", "application/json")
w.Write(out)
return
}
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out, err := json.MarshalIndent(pi, "", " ")
if err != nil {
app.errorLog.Println(err)
return // TODO: return a valid json
}
w.Header().Set("Content-Type", "application/json")
w.Write(out)
}