Add support for Checkout Session

checkout/session/client.go

@@ -0,0 +1,30 @@
+// Package session provides API functions related to checkout sessions.
+package session
+
+import (
+	"net/http"
+
+	stripe "github.com/stripe/stripe-go"
+)
+
+// Client is used to invoke /checkout_sessions APIs.
+type Client struct {
+	B   stripe.Backend
+	Key string
+}
+
+// New creates a new session.
+func New(params *stripe.CheckoutSessionParams) (*stripe.CheckoutSession, error) {
+	return getC().New(params)
+}
+
+// New creates a new session.
+func (c Client) New(params *stripe.CheckoutSessionParams) (*stripe.CheckoutSession, error) {
+	session := &stripe.CheckoutSession{}
+	err := c.B.Call(http.MethodPost, "/v1/checkout/sessions", c.Key, params, session)
+	return session, err
+}
+
+func getC() Client {
+	return Client{stripe.GetBackend(stripe.APIBackend), stripe.Key}
+}

checkout/session/client_test.go

@@ -0,0 +1,45 @@
+package session
+
+import (
+	"testing"
+
+	assert "github.com/stretchr/testify/require"
+	stripe "github.com/stripe/stripe-go"
+	_ "github.com/stripe/stripe-go/testing"
+)
+
+func TestCheckoutSessionNew(t *testing.T) {
+	session, err := New(&stripe.CheckoutSessionParams{
+		AllowedSourceTypes: []*string{
+			stripe.String("card"),
+		},
+		CancelURL:         stripe.String("https://stripe.com/cancel"),
+		ClientReferenceID: stripe.String("1234"),
+		LineItems: []*stripe.CheckoutSessionLineItemParams{
+			{
+				Amount:      stripe.Int64(1234),
+				Currency:    stripe.String(string(stripe.CurrencyUSD)),
+				Description: stripe.String("description"),
+				Images: []*string{
+					stripe.String("https://stripe.com/image1"),
+				},
+				Name:     stripe.String("name"),
+				Quantity: stripe.Int64(2),
+			},
+		},
+		PaymentIntentData: &stripe.CheckoutSessionPaymentIntentDataParams{
+			Description: stripe.String("description"),
+			Shipping: &stripe.ShippingDetailsParams{
+				Address: &stripe.AddressParams{
+					Line1: stripe.String("line1"),
+					City:  stripe.String("city"),
+				},
+				Carrier: stripe.String("carrier"),
+				Name:    stripe.String("name"),
+			},
+		},
+		SuccessURL: stripe.String("https://stripe.com/success"),
+	})
+	assert.Nil(t, err)
+	assert.NotNil(t, session)
+}

checkout_session.go

@@ -0,0 +1,42 @@
+package stripe
+
+// CheckoutSessionLineItemParams is the set of parameters allowed for a line item
+// on a Checkout Session.
+type CheckoutSessionLineItemParams struct {
+	Amount      *int64    `form:"amount"`
+	Currency    *string   `form:"currency"`
+	Description *string   `form:"description"`
+	Name        *string   `form:"name"`
+	Images      []*string `form:"images"`
+	Quantity    *int64    `form:"quantity"`
+}
+
+// CheckoutSessionPaymentIntentDataParams is the set of parameters allowed for the
+// payment intent creation on a Checkout Session.
+type CheckoutSessionPaymentIntentDataParams struct {
+	Description         *string                `form:"description"`
+	ReceiptEmail        *string                `form:"receipt_email"`
+	Shipping            *ShippingDetailsParams `form:"shipping"`
+	StatementDescriptor *string                `form:"statement_descriptor"`
+}
+
+// CheckoutSessionParams is the set of parameters that can be used when creating
+// a checkout session.
+// For more details see https://stripe.com/docs/api#create_checkout_session.
+type CheckoutSessionParams struct {
+	Params             `form:"*"`
+	AllowedSourceTypes []*string                               `form:"allowed_source_types"`
+	CancelURL          *string                                 `form:"cancel_url"`
+	ClientReferenceID  *string                                 `form:"client_reference_id"`
+	LineItems          []*CheckoutSessionLineItemParams        `form:"line_items"`
+	PaymentIntentData  *CheckoutSessionPaymentIntentDataParams `form:"payment_intent_data"`
+	SuccessURL         *string                                 `form:"success_url"`
+}
+
+// CheckoutSession is the resource representing a Stripe checkout session.
+// For more details see https://stripe.com/docs/api#checkout_sessions.
+type CheckoutSession struct {
+	ID       string `json:"id"`
+	Livemode bool   `json:"livemode"`
+	Object   string `json:"object"`
+}

client/api.go

@@ -11,6 +11,7 @@ import (
 	"github.com/stripe/stripe-go/bitcointransaction"
 	"github.com/stripe/stripe-go/card"
 	"github.com/stripe/stripe-go/charge"
+	checkoutsession "github.com/stripe/stripe-go/checkout/session"
 	"github.com/stripe/stripe-go/countryspec"
 	"github.com/stripe/stripe-go/coupon"
 	"github.com/stripe/stripe-go/customer"
@@ -80,6 +81,8 @@ type API struct {
 	Cards *card.Client
 	// Charges is the client used to invoke /charges APIs.
 	Charges *charge.Client
+	// CheckoutSessions is the client used to invoke /checkout_sessions APIs.
+	CheckoutSessions *checkoutsession.Client
 	// CountrySpec is the client used to invoke /country_specs APIs.
 	CountrySpec *countryspec.Client
 	// Coupons is the client used to invoke /coupons APIs.
@@ -198,6 +201,7 @@ func (a *API) Init(key string, backends *stripe.Backends) {
 	a.BitcoinTransactions = &bitcointransaction.Client{B: backends.API, Key: key}
 	a.Cards = &card.Client{B: backends.API, Key: key}
 	a.Charges = &charge.Client{B: backends.API, Key: key}
+	a.CheckoutSessions = &checkoutsession.Client{B: backends.API, Key: key}
 	a.CountrySpec = &countryspec.Client{B: backends.API, Key: key}
 	a.Coupons = &coupon.Client{B: backends.API, Key: key}
 	a.Customers = &customer.Client{B: backends.API, Key: key}