feat(fifa17): route SBCs through atomic Rust Core

openfut-utas-host/src/market_store.rs

@@ -697,6 +697,18 @@ impl MarketStore {
         .map_err(db)?
         .rows_affected())
     }
+
+    pub async fn has_active_for_core_item(&self, core_item_id: &str) -> Result<bool, MarketError> {
+        sqlx::query_scalar(
+            "SELECT EXISTS( \
+                SELECT 1 FROM listings WHERE core_item_id = ? AND state = 'active' \
+             )",
+        )
+        .bind(core_item_id)
+        .fetch_one(&self.pool)
+        .await
+        .map_err(db)
+    }
 }
 
 #[cfg(test)]