Charge tax on products (#4361)

* Initial Anrok integration

* Query cache, fmt, clippy

* Fmt

* Use payment intent function in edit_subscription

* Attach Anrok client, use payments in index_billing

* Integrate Anrok with refunds

* Bug fixes

* More bugfixes

* Fix resubscriptions

* Medal promotion bugfixes

* Use stripe metadata constants everywhere

* Pre-fill values in products_tax_identifiers

* Cleanup billing route module

* Cleanup

* Email notification for tax charge

* Don't charge tax on users which haven't been notified of tax change

* Fix taxnotification.amount templates

* Update .env.docker-compose

* Update .env.local

* Clippy

* Fmt

* Query cache

* Periodically update tax amount on upcoming charges

* Fix queries

* Skip indexing tax amount on charges if no charges to process

* chore: query cache, clippy, fmt

* Fix a lot of things

* Remove test code

* chore: query cache, clippy, fmt

* Fix money formatting

* Fix conflicts

* Extra documentation, handle tax association properly

* Track loss in tax drift

* chore: query cache, clippy, fmt

* Add subscription.id variable

* chore: query cache, clippy, fmt

* chore: query cache, clippy, fmt

apps/labrinth/src/models/v2/notifications.rs

@@ -1,7 +1,9 @@
 use crate::models::ids::{ThreadMessageId, VersionId};
+use crate::models::v3::billing::PriceDuration;
 use crate::models::{
     ids::{
         NotificationId, OrganizationId, ProjectId, ReportId, TeamId, ThreadId,
+        UserSubscriptionId,
     },
     notifications::{Notification, NotificationAction, NotificationBody},
     projects::ProjectStatus,
@@ -37,6 +39,17 @@ pub struct LegacyNotificationAction {
 #[derive(Serialize, Deserialize)]
 #[serde(tag = "type", rename_all = "snake_case")]
 pub enum LegacyNotificationBody {
+    TaxNotification {
+        subscription_id: UserSubscriptionId,
+        old_amount: i64,
+        old_tax_amount: i64,
+        new_amount: i64,
+        new_tax_amount: i64,
+        billing_interval: PriceDuration,
+        currency: String,
+        due: DateTime<Utc>,
+        service: String,
+    },
     ProjectUpdate {
         project_id: ProjectId,
         version_id: VersionId,
@@ -198,6 +211,9 @@ impl LegacyNotification {
             NotificationBody::PaymentFailed { .. } => {
                 Some("payment_failed".to_string())
             }
+            NotificationBody::TaxNotification { .. } => {
+                Some("tax_notification".to_string())
+            }
             NotificationBody::PayoutAvailable { .. } => {
                 Some("payout_available".to_string())
             }
@@ -341,6 +357,27 @@ impl LegacyNotification {
                 new_email,
                 to_email,
             },
+            NotificationBody::TaxNotification {
+                subscription_id,
+                old_amount,
+                old_tax_amount,
+                new_amount,
+                new_tax_amount,
+                billing_interval,
+                currency,
+                due,
+                service,
+            } => LegacyNotificationBody::TaxNotification {
+                subscription_id,
+                old_amount,
+                old_tax_amount,
+                new_amount,
+                new_tax_amount,
+                billing_interval,
+                due,
+                service,
+                currency,
+            },
             NotificationBody::PaymentFailed { amount, service } => {
                 LegacyNotificationBody::PaymentFailed { amount, service }
             }