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/database/models/user_subscription_item.rs

@@ -2,7 +2,7 @@ use crate::database::models::{
     DBProductPriceId, DBUserId, DBUserSubscriptionId, DatabaseError,
 };
 use crate::models::billing::{
-    PriceDuration, SubscriptionMetadata, SubscriptionStatus,
+    PriceDuration, ProductMetadata, SubscriptionMetadata, SubscriptionStatus,
 };
 use chrono::{DateTime, Utc};
 use itertools::Itertools;
@@ -161,3 +161,12 @@ impl DBUserSubscription {
         Ok(())
     }
 }
+
+pub struct SubscriptionWithCharge {
+    pub subscription_id: DBUserSubscriptionId,
+    pub user_id: DBUserId,
+    pub product_metadata: ProductMetadata,
+    pub amount: i64,
+    pub tax_amount: i64,
+    pub due: DateTime<Utc>,
+}