controllers/helpers/pagination: Add PaginationOptions::is_backward() fn

Author: eth3lbert

src/controllers/helpers/pagination.rs

@@ -56,6 +56,10 @@ impl PaginationOptions {
             None
         }
     }
+
+    pub(crate) fn is_backward(&self) -> bool {
+        matches!(self.page, Page::SeekBackward(_))
+    }
 }
 
 #[derive(Debug, Deserialize, FromRequestParts, utoipa::IntoParams)]

src/controllers/krate/search.rs

@@ -120,7 +120,7 @@ pub async fn list_crates(
         .limit_page_numbers()
         .enable_seek(true)
         .gather(&req)?;
-    let is_forward = !matches!(pagination.page, Page::SeekBackward(_));
+    let is_forward = !pagination.is_backward();
 
     if let Some(q_string) = &filter_params.q_string {
         if !q_string.is_empty() {