A service for getting DaffProducts from apollo shopify product requests.
@inheritdoc @Param apollo
| Name | Type | Description | 
|---|---|---|
| defaultLength | 20 | |
| getByUrl | Observable< DaffProductDriverResponse> | Get a product by URL. | 
| getAll | Observable< DaffProduct[]> | Get all products. | 
| getBestSellers | Observable< DaffProduct[]> | Get best selling products. | 
| get | Observable< DaffProductDriverResponse> | Get a product by Id. |