collab: Enable automatic tax calculation for all new subscriptions (#34720)

Release Notes:

- N/A

---------

Co-authored-by: Marshall Bowers <git@maxdeviant.com>

crates/collab/src/stripe_billing.rs

@@ -11,8 +11,8 @@ use crate::Result;
 use crate::db::billing_subscription::SubscriptionKind;
 use crate::llm::AGENT_EXTENDED_TRIAL_FEATURE_FLAG;
 use crate::stripe_client::{
-    RealStripeClient, StripeBillingAddressCollection, StripeCheckoutSessionMode,
-    StripeCheckoutSessionPaymentMethodCollection, StripeClient,
+    RealStripeClient, StripeAutomaticTax, StripeBillingAddressCollection,
+    StripeCheckoutSessionMode, StripeCheckoutSessionPaymentMethodCollection, StripeClient,
     StripeCreateCheckoutSessionLineItems, StripeCreateCheckoutSessionParams,
     StripeCreateCheckoutSessionSubscriptionData, StripeCreateMeterEventParams,
     StripeCreateMeterEventPayload, StripeCreateSubscriptionItems, StripeCreateSubscriptionParams,
@@ -344,6 +344,7 @@ impl StripeBilling {
                 price: Some(zed_free_price_id),
                 quantity: Some(1),
             }],
+            automatic_tax: Some(StripeAutomaticTax { enabled: true }),
         };
 
         let subscription = self.client.create_subscription(params).await?;

crates/collab/src/stripe_client.rs

@@ -73,6 +73,7 @@ pub enum StripeCancellationDetailsReason {
 pub struct StripeCreateSubscriptionParams {
     pub customer: StripeCustomerId,
     pub items: Vec<StripeCreateSubscriptionItems>,
+    pub automatic_tax: Option<StripeAutomaticTax>,
 }
 
 #[derive(Debug)]
@@ -224,6 +225,11 @@ pub struct StripeTaxIdCollection {
     pub enabled: bool,
 }
 
+#[derive(Debug, Clone)]
+pub struct StripeAutomaticTax {
+    pub enabled: bool,
+}
+
 #[derive(Debug)]
 pub struct StripeCheckoutSession {
     pub url: Option<String>,

crates/collab/src/stripe_client/real_stripe_client.rs

@@ -10,16 +10,17 @@ use stripe::{
     CreateCheckoutSessionSubscriptionData, CreateCheckoutSessionSubscriptionDataTrialSettings,
     CreateCheckoutSessionSubscriptionDataTrialSettingsEndBehavior,
     CreateCheckoutSessionSubscriptionDataTrialSettingsEndBehaviorMissingPaymentMethod,
-    CreateCustomer, Customer, CustomerId, ListCustomers, Price, PriceId, Recurring, Subscription,
-    SubscriptionId, SubscriptionItem, SubscriptionItemId, UpdateCustomer, UpdateSubscriptionItems,
-    UpdateSubscriptionTrialSettings, UpdateSubscriptionTrialSettingsEndBehavior,
+    CreateCustomer, CreateSubscriptionAutomaticTax, Customer, CustomerId, ListCustomers, Price,
+    PriceId, Recurring, Subscription, SubscriptionId, SubscriptionItem, SubscriptionItemId,
+    UpdateCustomer, UpdateSubscriptionItems, UpdateSubscriptionTrialSettings,
+    UpdateSubscriptionTrialSettingsEndBehavior,
     UpdateSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod,
 };
 
 use crate::stripe_client::{
-    CreateCustomerParams, StripeBillingAddressCollection, StripeCancellationDetails,
-    StripeCancellationDetailsReason, StripeCheckoutSession, StripeCheckoutSessionMode,
-    StripeCheckoutSessionPaymentMethodCollection, StripeClient,
+    CreateCustomerParams, StripeAutomaticTax, StripeBillingAddressCollection,
+    StripeCancellationDetails, StripeCancellationDetailsReason, StripeCheckoutSession,
+    StripeCheckoutSessionMode, StripeCheckoutSessionPaymentMethodCollection, StripeClient,
     StripeCreateCheckoutSessionLineItems, StripeCreateCheckoutSessionParams,
     StripeCreateCheckoutSessionSubscriptionData, StripeCreateMeterEventParams,
     StripeCreateSubscriptionParams, StripeCustomer, StripeCustomerId, StripeCustomerUpdate,
@@ -151,6 +152,7 @@ impl StripeClient for RealStripeClient {
                 })
                 .collect(),
         );
+        create_subscription.automatic_tax = params.automatic_tax.map(Into::into);
 
         let subscription = Subscription::create(&self.client, create_subscription).await?;
 
@@ -366,6 +368,15 @@ impl From<SubscriptionItem> for StripeSubscriptionItem {
     }
 }
 
+impl From<StripeAutomaticTax> for CreateSubscriptionAutomaticTax {
+    fn from(value: StripeAutomaticTax) -> Self {
+        Self {
+            enabled: value.enabled,
+            liability: None,
+        }
+    }
+}
+
 impl From<StripeSubscriptionTrialSettings> for UpdateSubscriptionTrialSettings {
     fn from(value: StripeSubscriptionTrialSettings) -> Self {
         Self {