Misc v3 linear tasks (#767)

* v3_reroute 404 error

* hash change

* fixed issue with error conversion

* added new model confirmation tests
+ title name change

* renaming, fields

* owner; test changes

* clippy prepare

* fmt

* merge fixes

* clippy

* working merge

* revs

* merge fixes

src/routes/v2/statistics.rs

@@ -1,4 +1,4 @@
-use crate::routes::{v3, ApiError};
+use crate::routes::{v2_reroute, v3, ApiError};
 use actix_web::{get, web, HttpResponse};
 use sqlx::PgPool;
 
@@ -8,5 +8,7 @@ pub fn config(cfg: &mut web::ServiceConfig) {
 
 #[get("statistics")]
 pub async fn get_stats(pool: web::Data<PgPool>) -> Result<HttpResponse, ApiError> {
-    v3::statistics::get_stats(pool).await
+    v3::statistics::get_stats(pool)
+        .await
+        .or_else(v2_reroute::flatten_404_error)
 }