Merge pull request #22657 from mattermost/MM-50966-in-product-expansion-backend

MM-50966 - In Product Expansion Backend

server/model/hosted_customer.go

@@ -35,8 +35,9 @@ type SelfHostedCustomerForm struct {
 }
 
 type SelfHostedConfirmPaymentMethodRequest struct {
-	StripeSetupIntentID string                    `json:"stripe_setup_intent_id"`
-	Subscription        CreateSubscriptionRequest `json:"subscription"`
+	StripeSetupIntentID string                      `json:"stripe_setup_intent_id"`
+	Subscription        *CreateSubscriptionRequest  `json:"subscription"`
+	ExpandRequest       *SelfHostedExpansionRequest `json:"expand_request"`
 }
 
 // SelfHostedSignupPaymentResponse contains feels needed for self hosted signup to confirm payment and receive license.
@@ -65,3 +66,8 @@ type SelfHostedBillingAccessRequest struct {
 type SelfHostedBillingAccessResponse struct {
 	Token string `json:"token"`
 }
+
+type SelfHostedExpansionRequest struct {
+	Seats     int    `json:"seats"`
+	LicenseId string `json:"license_id"`
+}