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Added stripe checkout webhook and recognizing paid user
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| module go-spotify/CloudFunctions/StripeCheckout | ||
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| go 1.13 | ||
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| require ( | ||
| cloud.google.com/go/firestore v1.1.1 | ||
| firebase.google.com/go v3.12.0+incompatible | ||
| github.com/chew-z/spotify v0.0.21 // indirect | ||
| github.com/coreos/go-oidc v2.2.1+incompatible // indirect | ||
| github.com/gin-contrib/sessions v0.0.3 // indirect | ||
| github.com/patrickmn/go-cache v2.1.0+incompatible // indirect | ||
| github.com/pquerna/cachecontrol v0.0.0-20180517163645-1555304b9b35 // indirect | ||
| github.com/stretchr/testify v1.5.0 // indirect | ||
| github.com/stripe/stripe-go v68.20.0+incompatible | ||
| github.com/zmb3/spotify v0.0.0-20200112163645-71a4c67d18db // indirect | ||
| gopkg.in/square/go-jose.v2 v2.4.1 // indirect | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package stripecheckout | ||
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| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "log" | ||
| "net/http" | ||
| "os" | ||
| "time" | ||
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| "cloud.google.com/go/firestore" | ||
| firebase "firebase.google.com/go" | ||
| "github.com/stripe/stripe-go/webhook" | ||
| ) | ||
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| var ( | ||
| firestoreClient *firestore.Client | ||
| projectID = os.Getenv("GOOGLE_CLOUD_PROJECT") | ||
| ) | ||
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| func main() { | ||
| } | ||
| func init() { | ||
| // Use the application default credentials. | ||
| conf := &firebase.Config{ProjectID: projectID} | ||
| // Use context.Background() because the app/client should persist across | ||
| // invocations. | ||
| ctx := context.Background() | ||
| app, err := firebase.NewApp(ctx, conf) | ||
| if err != nil { | ||
| log.Panicf("firebase.NewApp: %v", err) | ||
| } | ||
| firestoreClient, err = app.Firestore(ctx) | ||
| if err != nil { | ||
| log.Fatalf("app.Firestore: %v", err) | ||
| } | ||
| } | ||
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| /*StripeCheckout - ... | ||
| */ | ||
| func StripeCheckout(w http.ResponseWriter, r *http.Request) { | ||
| defer firestoreClient.Close() | ||
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| b, err := ioutil.ReadAll(r.Body) | ||
| if err != nil { | ||
| log.Printf("ioutil.ReadAll: %v", err) | ||
| http.Error(w, err.Error(), http.StatusBadRequest) | ||
| return | ||
| } | ||
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| event, err := webhook.ConstructEvent(b, r.Header.Get("Stripe-Signature"), os.Getenv("STRIPE_WEBHOOK_SECRET")) | ||
| if err != nil { | ||
| log.Printf("webhook.ConstructEvent: %s", err.Error()) | ||
| http.Error(w, err.Error(), http.StatusBadRequest) | ||
| return | ||
| } | ||
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| if event.Type != "checkout.session.completed" { | ||
| response := fmt.Sprintf("Wrong event type. Expected: checkout.session.completed") | ||
| log.Println(response) | ||
| http.Error(w, response, http.StatusBadRequest) | ||
| return | ||
| } | ||
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| user := event.GetObjectValue("client_reference_id") | ||
| if user != "" { | ||
| ctx := context.Background() | ||
| _, err = firestoreClient.Collection("users").Doc(user).Set(ctx, map[string]interface{}{ | ||
| "premium_user": true, | ||
| "subscription_expires": time.Now().AddDate(1, 0, 15), // a year plus two weeks plus a day | ||
| }, firestore.MergeAll) | ||
| } else { | ||
| log.Println("user ID is missing!") | ||
| } | ||
| response := fmt.Sprintf("Checkout completed for %s user", user) | ||
| log.Println(response) | ||
| w.WriteHeader(http.StatusOK) | ||
| if err := json.NewEncoder(w).Encode(&response); err != nil { | ||
| log.Panic(err) | ||
| } | ||
| } |
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