下面是我的查询，该查询正在返回类别及其对应的产品。
products = Product
.fetch_products(current_resource_owner)
.where("product_warehouses.on_sale = true")
.group_by(&:category).map { |c, p| [c, p.take(4)] }
以下是上述查询的示例响应
[
[
{
"id": 1,
"name": "Beer",
"created_at": "2018-05-28T01:30:23.593-07:00",
"updated_at": "2018-08-10T02:15:19.155-07:00",
"image_file_name": "mirassou-pinot-noir-abv-135-750-ml.jpg",
"image_content_type": "image/jpeg",
"image_file_size": 30794,
"image_updated_at": "2018-08-10T02:15:18.521-07:00",
"lightspeed_category_id": null
},
[
{
"id": 3029,
"name": "4 Sons Surf City Pale Ale ABV: 5.9% 12 fl oz 6-Pack",
"description": "4 Sons Surf City Pale Ale ABV: 5.9% 12 fl oz 6-Pack",
"abv": null,
"sub_category_id": 58,
"brand_id": 1,
"product_type_id": 1,
"created_at": "2018-07-31T00:17:59.410-07:00",
"updated_at": "2018-08-02T22:38:15.998-07:00",
"region": "USA",
"current_availability": "in_stock",
"image_file_name": null,
"image_content_type": null,
"image_file_size": null,
"image_updated_at": null,
"category_id": 1,
"manufacture_date": null,
"system_sku": "COD0003029",
"sold": 1,
"lightspeed_item_id": 4121,
"quantity": null,
"warehouse_id": 2,
"price": "11.99",
"on_sale": true,
"sale_price": "5.99",
"discount": "50.04",
"is_wishlist": false,
"is_in_cart": true,
"cart_quantity": 1
}
]
],
[
{
"id": 2,
"name": "Spirits",
"created_at": "2018-05-28T01:34:22.975-07:00",
"updated_at": "2018-05-28T01:34:22.975-07:00",
"image_file_name": null,
"image_content_type": null,
"image_file_size": null,
"image_updated_at": null,
"lightspeed_category_id": null
},
[
{
"id": 3032,
"name": "Nucano Joven Espadín Mezcal ABV: 45% 750 mL",
"description": "Nucano Joven Espadín Mezcal ABV: 45% 750 mL",
"abv": null,
"sub_category_id": 76,
"brand_id": 1,
"product_type_id": 1,
"created_at": "2018-07-31T00:26:38.227-07:00",
"updated_at": "2018-08-10T02:10:22.804-07:00",
"region": "USA",
"current_availability": "in_stock",
"image_file_name": "myerss-original-dark-rum-proof-80-375-ml.jpg",
"image_content_type": "image/jpeg",
"image_file_size": 65161,
"image_updated_at": "2018-08-10T02:10:22.250-07:00",
"category_id": 2,
"manufacture_date": null,
"system_sku": "COD0003032",
"sold": 0,
"lightspeed_item_id": 4151,
"quantity": "50_ml",
"warehouse_id": 2,
"price": "61.99",
"on_sale": true,
"sale_price": "40.99",
"discount": "33.88",
"is_wishlist": false,
"is_in_cart": true,
"cart_quantity": 1
},
{
"id": 3010,
"name": "Espolón Tequila Reposado ABV: 40% 750 mL",
"description": "Espolón Tequila Reposado ABV: 40% 750 mL",
"abv": null,
"sub_category_id": 32,
"brand_id": 1,
"product_type_id": 1,
"created_at": "2018-07-18T23:28:05.801-07:00",
"updated_at": "2018-07-18T23:28:06.078-07:00",
"region": "USA",
"current_availability": "in_stock",
"image_file_name": null,
"image_content_type": null,
"image_file_size": null,
"image_updated_at": null,
"category_id": 2,
"manufacture_date": null,
"system_sku": "COD0003010",
"sold": 0,
"lightspeed_item_id": 4082,
"quantity": "375_ml",
"warehouse_id": 2,
"price": "23.99",
"on_sale": true,
"sale_price": "10.11",
"discount": "57.86",
"is_wishlist": false,
"is_in_cart": false,
"cart_quantity": null
},
{
"id": 3023,
"name": "Azunia Silver Tequila 50 mL",
"description": "Azunia Silver Tequila 50 mL",
"abv": null,
"sub_category_id": 33,
"brand_id": 1,
"product_type_id": 1,
"created_at": "2018-07-20T05:43:32.984-07:00",
"updated_at": "2018-07-23T01:22:05.127-07:00",
"region": "USA",
"current_availability": "in_stock",
"image_file_name": "socfo9k2cvjovliqbsyj",
"image_content_type": "image/jpeg",
"image_file_size": 22150,
"image_updated_at": "2018-07-20T05:43:32.614-07:00",
"category_id": 2,
"manufacture_date": null,
"system_sku": "COD0003023",
"sold": 0,
"lightspeed_item_id": 1811,
"quantity": "180_ml",
"warehouse_id": 2,
"price": "33.66",
"on_sale": true,
"sale_price": "23.66",
"discount": "29.71",
"is_wishlist": false,
"is_in_cart": false,
"cart_quantity": null
},
{
"id": 3020,
"name": "Hornitos Silver Tequila Proof: 80 375 mL",
"description": "Hornitos Silver Tequila Proof: 80 375 mL",
"abv": null,
"sub_category_id": 33,
"brand_id": 1,
"product_type_id": 1,
"created_at": "2018-07-20T05:43:15.107-07:00",
"updated_at": "2018-07-20T05:43:15.972-07:00",
"region": "USA",
"current_availability": "in_stock",
"image_file_name": "dejbqd9vkzbqiywmj8ye",
"image_content_type": "image/jpeg",
"image_file_size": 57468,
"image_updated_at": "2018-07-20T05:43:13.290-07:00",
"category_id": 2,
"manufacture_date": null,
"system_sku": "COD0003020",
"sold": 0,
"lightspeed_item_id": 1806,
"quantity": "750_ml",
"warehouse_id": 2,
"price": "15.99",
"on_sale": true,
"sale_price": "12.99",
"discount": "18.76",
"is_wishlist": false,
"is_in_cart": false,
"cart_quantity": null
}
]
],
[
{
"id": 3,
"name": "Wine",
"created_at": "2018-05-28T01:47:47.497-07:00",
"updated_at": "2018-05-28T01:47:47.497-07:00",
"image_file_name": null,
"image_content_type": null,
"image_file_size": null,
"image_updated_at": null,
"lightspeed_category_id": null
},
[
{
"id": 3031,
"name": "Vanderpump 2017 Rosé ABV: 13% 750 mL",
"description": "Vanderpump 2017 Rosé ABV: 13% 750 mL",
"abv": null,
"sub_category_id": 98,
"brand_id": 1,
"product_type_id": 1,
"created_at": "2018-07-31T00:18:02.332-07:00",
"updated_at": "2018-07-31T00:18:02.483-07:00",
"region": "USA",
"current_availability": "in_stock",
"image_file_name": null,
"image_content_type": null,
"image_file_size": null,
"image_updated_at": null,
"category_id": 3,
"manufacture_date": null,
"system_sku": "COD0003031",
"sold": 0,
"lightspeed_item_id": 4123,
"quantity": null,
"warehouse_id": 2,
"price": "23.99",
"on_sale": true,
"sale_price": "12.99",
"discount": "45.85",
"is_wishlist": false,
"is_in_cart": false,
"cart_quantity": null
},
{
"id": 3027,
"name": "Vina Robles Monterey 2017 Chardonnay ABV: 13.5% 187 mL",
"description": "Vina Robles Monterey 2017 Chardonnay ABV: 13.5% 187 mL",
"abv": null,
"sub_category_id": 18,
"brand_id": 1,
"product_type_id": 1,
"created_at": "2018-07-31T00:10:03.077-07:00",
"updated_at": "2018-07-31T00:10:03.223-07:00",
"region": "USA",
"current_availability": "in_stock",
"image_file_name": null,
"image_content_type": null,
"image_file_size": null,
"image_updated_at": null,
"category_id": 3,
"manufacture_date": null,
"system_sku": "COD0003027",
"sold": 0,
"lightspeed_item_id": 4157,
"quantity": null,
"warehouse_id": 2,
"price": "5.99",
"on_sale": true,
"sale_price": "3.99",
"discount": null,
"is_wishlist": false,
"is_in_cart": false,
"cart_quantity": null
}
]
]
]
我想像下面那样序列化此资源
Success.new({
categories: array_serializer.new(categories, each_serializer: Api::V1::CategoriesSerializer),
all_products: array_serializer.new(@products, each_serializer: Api::V1::Products::GetAllProductsSerializer,
}, '', 200)
有什么方法可以按资源序列化组吗？