implement core foundation

go/internal/billing/noop.go

@@ -0,0 +1,26 @@
+package billing
+
+import (
+	"context"
+	"errors"
+)
+
+// Noop returns a billing service for binaries that depend on network.Service
+// but never mutate membership (jobs, pusher). Stripe isn't configured.
+func Noop() Service { return noopService{} }
+
+type noopService struct{}
+
+var errNoopBilling = errors.New("billing: not configured in this process")
+
+func (noopService) GetStatus(context.Context, string) (*Status, error) {
+	return nil, errNoopBilling
+}
+func (noopService) CreateCheckoutSession(context.Context, CheckoutParams) (string, error) {
+	return "", errNoopBilling
+}
+func (noopService) CreatePortalSession(context.Context, string) (string, error) {
+	return "", errNoopBilling
+}
+func (noopService) SyncSeats(context.Context, string, int) error        { return nil }
+func (noopService) HandleWebhook(context.Context, []byte, string) error { return errNoopBilling }