fix: ignore deleted products while checking for product names

.sqlx/query-ff4bf8b635cd7144238c2df8bb4b13c3e090dc7d6455464b656ff44e0c2c5ebe.json

@@ -1,6 +1,6 @@
 {
   "db_name": "PostgreSQL",
-  "query": "SELECT EXISTS (\n                SELECT 1\n                    FROM cqrs_inventory_product_query\n                WHERE\n                    name = $1\n                AND\n                    category_id = $2\n            );",
+  "query": "SELECT EXISTS (\n                SELECT 1\n                    FROM cqrs_inventory_product_query\n                WHERE\n                    name = $1\n                AND\n                    category_id = $2\n                AND\n                    deleted = false\n            );",
   "describe": {
     "columns": [
       {
@@ -19,5 +19,5 @@
       null
     ]
   },
-  "hash": "53a5e7e87387ffc14013067a24c80b9d14c9864875177af5320c926d68cfb4ae"
+  "hash": "ff4bf8b635cd7144238c2df8bb4b13c3e090dc7d6455464b656ff44e0c2c5ebe"
 }

src/inventory/adapters/output/db/postgres/product_name_exists_for_category.rs

@@ -19,6 +19,8 @@ impl ProductNameExistsForCategoryDBPort for InventoryDBPostgresAdapter {
                     name = $1
                 AND
                     category_id = $2
+                AND
+                    deleted = false
             );",
             s.name(),
             s.category_id(),
@@ -74,6 +76,17 @@ mod tests {
         // state exists
         assert!(db.product_name_exists_for_category(&product).await.unwrap());
 
+        // Set product.deleted = true; now db.product_name_exists_for_category must return false
+        sqlx::query!(
+            "UPDATE cqrs_inventory_product_query SET deleted = true WHERE product_id = $1;",
+            product.product_id(),
+        )
+        .execute(&db.pool)
+        .await
+        .unwrap();
+        assert!(!db.product_name_exists_for_category(&product).await.unwrap());
+
+
         settings.drop_db().await;
     }
 }