collab: Remove unused billing preferences queries (#34830)

This PR removes some billing preferences queries that are no longer in
use.

Release Notes:

- N/A

crates/collab/src/db.rs

@@ -42,9 +42,6 @@ pub use tests::TestDb;
 
 pub use ids::*;
 pub use queries::billing_customers::{CreateBillingCustomerParams, UpdateBillingCustomerParams};
-pub use queries::billing_preferences::{
-    CreateBillingPreferencesParams, UpdateBillingPreferencesParams,
-};
 pub use queries::billing_subscriptions::{
     CreateBillingSubscriptionParams, UpdateBillingSubscriptionParams,
 };

crates/collab/src/db/queries/billing_preferences.rs

@@ -1,21 +1,5 @@
-use anyhow::Context as _;
-
 use super::*;
 
-#[derive(Debug)]
-pub struct CreateBillingPreferencesParams {
-    pub max_monthly_llm_usage_spending_in_cents: i32,
-    pub model_request_overages_enabled: bool,
-    pub model_request_overages_spend_limit_in_cents: i32,
-}
-
-#[derive(Debug, Default)]
-pub struct UpdateBillingPreferencesParams {
-    pub max_monthly_llm_usage_spending_in_cents: ActiveValue<i32>,
-    pub model_request_overages_enabled: ActiveValue<bool>,
-    pub model_request_overages_spend_limit_in_cents: ActiveValue<i32>,
-}
-
 impl Database {
     /// Returns the billing preferences for the given user, if they exist.
     pub async fn get_billing_preferences(
@@ -30,62 +14,4 @@ impl Database {
         })
         .await
     }
-
-    /// Creates new billing preferences for the given user.
-    pub async fn create_billing_preferences(
-        &self,
-        user_id: UserId,
-        params: &CreateBillingPreferencesParams,
-    ) -> Result<billing_preference::Model> {
-        self.transaction(|tx| async move {
-            let preferences = billing_preference::Entity::insert(billing_preference::ActiveModel {
-                user_id: ActiveValue::set(user_id),
-                max_monthly_llm_usage_spending_in_cents: ActiveValue::set(
-                    params.max_monthly_llm_usage_spending_in_cents,
-                ),
-                model_request_overages_enabled: ActiveValue::set(
-                    params.model_request_overages_enabled,
-                ),
-                model_request_overages_spend_limit_in_cents: ActiveValue::set(
-                    params.model_request_overages_spend_limit_in_cents,
-                ),
-                ..Default::default()
-            })
-            .exec_with_returning(&*tx)
-            .await?;
-
-            Ok(preferences)
-        })
-        .await
-    }
-
-    /// Updates the billing preferences for the given user.
-    pub async fn update_billing_preferences(
-        &self,
-        user_id: UserId,
-        params: &UpdateBillingPreferencesParams,
-    ) -> Result<billing_preference::Model> {
-        self.transaction(|tx| async move {
-            let preferences = billing_preference::Entity::update_many()
-                .set(billing_preference::ActiveModel {
-                    max_monthly_llm_usage_spending_in_cents: params
-                        .max_monthly_llm_usage_spending_in_cents
-                        .clone(),
-                    model_request_overages_enabled: params.model_request_overages_enabled.clone(),
-                    model_request_overages_spend_limit_in_cents: params
-                        .model_request_overages_spend_limit_in_cents
-                        .clone(),
-                    ..Default::default()
-                })
-                .filter(billing_preference::Column::UserId.eq(user_id))
-                .exec_with_returning(&*tx)
-                .await?;
-
-            Ok(preferences
-                .into_iter()
-                .next()
-                .context("billing preferences not found")?)
-        })
-        .await
-    }
 }