feat(home): limit open bags to 3 most recently updated

- Add UpdatedAt variant to BagSortKey
- Sort home page bags by updated_at desc instead of roast_date
- Limit to 3 bags instead of showing all open bags

src/application/routes/home.rs

@@ -60,7 +60,12 @@ async fn load_home_content(state: &AppState) -> Result<HomeContent, AppError> {
         BrewSortKey::CreatedAt,
         SortDirection::Desc,
     );
-    let open_bags_req = ListRequest::show_all(BagSortKey::RoastDate, SortDirection::Desc);
+    let open_bags_req = ListRequest::new(
+        1,
+        PageSize::limited(3),
+        BagSortKey::UpdatedAt,
+        SortDirection::Desc,
+    );
     let recent_events_req = ListRequest::new(
         1,
         PageSize::limited(5),

src/domain/bags.rs

@@ -83,6 +83,7 @@ impl BagFilter {
 pub enum BagSortKey {
     RoastDate,
     CreatedAt,
+    UpdatedAt,
     Roaster,
     Roast,
     FinishedAt,
@@ -97,6 +98,7 @@ impl SortKey for BagSortKey {
         match value {
             "roast-date" => Some(BagSortKey::RoastDate),
             "created-at" => Some(BagSortKey::CreatedAt),
+            "updated-at" => Some(BagSortKey::UpdatedAt),
             "roaster" => Some(BagSortKey::Roaster),
             "roast" => Some(BagSortKey::Roast),
             "finished-at" => Some(BagSortKey::FinishedAt),
@@ -108,6 +110,7 @@ impl SortKey for BagSortKey {
         match self {
             BagSortKey::RoastDate => "roast-date",
             BagSortKey::CreatedAt => "created-at",
+            BagSortKey::UpdatedAt => "updated-at",
             BagSortKey::Roaster => "roaster",
             BagSortKey::Roast => "roast",
             BagSortKey::FinishedAt => "finished-at",

src/infrastructure/repositories/bags.rs

@@ -39,6 +39,7 @@ impl SqlBagRepository {
         match request.sort_key() {
             BagSortKey::RoastDate => format!("b.roast_date {dir_sql}, b.created_at DESC"),
             BagSortKey::CreatedAt => format!("b.created_at {dir_sql}, b.id DESC"),
+            BagSortKey::UpdatedAt => format!("b.updated_at {dir_sql}, b.id DESC"),
             BagSortKey::Roaster => format!("LOWER(rr.name) {dir_sql}, b.created_at DESC"),
             BagSortKey::Roast => format!("LOWER(r.name) {dir_sql}, b.created_at DESC"),
             BagSortKey::FinishedAt => format!("b.finished_at {dir_sql}, b.created_at DESC"),