refactor: labrinth ApiError and error reporting (#6981)

* refactor: labrinth `ApiError` and error reporting

* fix clippy

* fix ci

apps/labrinth/src/database/models/notifications_template_item.rs

@@ -1,7 +1,8 @@
 use crate::database::models::DatabaseError;
 use crate::models::v3::notifications::{NotificationChannel, NotificationType};
 use crate::routes::ApiError;
-use crate::util::error::Context;
+use crate::util::error::ApiContext as _;
+use crate::util::error::Context as _;
 use serde::{Deserialize, Serialize};
 use xredis::RedisPool;
 
@@ -140,7 +141,11 @@ where
 
     drop(redis_conn);
 
-    let cached = HtmlBody { html: get().await? };
+    let cached = HtmlBody {
+        html: get()
+            .await
+            .wrap_api_err("generating notification template HTML")?,
+    };
     let mut redis_conn = redis.connect().await.wrap_internal_err(
         "connecting to redis for dynamic notification html",
     )?;

apps/labrinth/src/database/models/products_tax_identifier_item.rs

@@ -1,6 +1,7 @@
 use crate::database::models::ids::{DBProductId, DBProductPriceId};
 use crate::models::billing::ProductMetadata;
 use crate::routes::ApiError;
+use crate::util::error::Context as _;
 
 pub struct DBProductsTaxIdentifier {
     pub id: i32,
@@ -18,7 +19,8 @@ impl DBProductsTaxIdentifier {
             product_id.0,
         )
         .fetch_optional(exec)
-        .await?;
+        .await
+        .wrap_internal_err("querying database for `get_product`")?;
 
         Ok(maybe_row.map(|row| DBProductsTaxIdentifier {
             id: row.id,
@@ -41,7 +43,8 @@ impl DBProductsTaxIdentifier {
             price_id.0,
         )
         .fetch_optional(exec)
-        .await?;
+        .await
+        .wrap_internal_err("querying database for `get_price`")?;
 
         Ok(maybe_row.map(|row| DBProductsTaxIdentifier {
             id: row.id,
@@ -73,7 +76,7 @@ pub async fn product_info_by_product_price_id(
         product_price_id.0 as i64,
     )
     .fetch_optional(exec)
-    .await?;
+    .await.wrap_internal_err("querying database for `product_info_by_product_price_id`")?;
 
     match maybe_row {
         None => Ok(None),
@@ -83,7 +86,8 @@ pub async fn product_info_by_product_price_id(
                 tax_processor_id: row.tax_processor_id,
                 product_id: DBProductId(row.product_id),
             },
-            product_metadata: serde_json::from_value(row.product_metadata)?,
+            product_metadata: serde_json::from_value(row.product_metadata)
+                .wrap_request_err("deserializing JSON data")?,
         })),
     }
 }