feat: user search (#6302)

* feat: user search

* refactor: use sqlx macro

* refactor: better name for escaped query

* style: cleanup unused import

* chore: update sqlx query cache

* fix: tests

---------

Co-authored-by: sychic <47618543+Sychic@users.noreply.github.com>

apps/labrinth/src/routes/v3/users.rs

@@ -39,6 +39,7 @@ use validator::Validate;
 pub fn config(cfg: &mut web::ServiceConfig) {
     cfg.route("user", web::get().to(user_auth_get));
     cfg.route("users", web::get().to(users_get));
+    cfg.route("users/search", web::get().to(users_search));
     cfg.route("user_email", web::get().to(admin_user_email));
 
     cfg.service(
@@ -327,6 +328,26 @@ pub struct UserIds {
     pub ids: String,
 }
 
+#[derive(Deserialize)]
+pub struct UserSearchQuery {
+    pub query: String,
+}
+
+pub async fn users_search(
+    web::Query(query): web::Query<UserSearchQuery>,
+    pool: web::Data<PgPool>,
+) -> Result<web::Json<Vec<crate::models::users::SearchUser>>, ApiError> {
+    let query = query.query.trim();
+    let users = DBUser::search(query, &**pool)
+        .await
+        .wrap_internal_err("failed to search users")?
+        .into_iter()
+        .map(Into::into)
+        .collect();
+
+    Ok(web::Json(users))
+}
+
 pub async fn users_get(
     req: HttpRequest,
     web::Query(ids): web::Query<UserIds>,