Query for retrieving shopping cart information

[rogyar]

Description (*)

This PR introduces the possibility to retrieve shopping cart information for guests and registered users by cart_id.

Fixed Issues (if relevant)

1. [Cart Operations] Fetch guest shopper cart #8: [Query] Fetch guest shopper cart
2. [Cart Operations] Fetch registered shopper cart #66: [Query] Fetch registered shopper cart

Manual testing scenarios (*)

1. Create a shopping cart (optionally add items, set shipping method) and retrieve the shopping cart id (hashed)
2. Use the cart id to retrieve shopping cart information

{
  Cart(cart_id: "fda39cfe15aabde6d3c362cb3878de5s") {
    applied_coupon {
    	  code
    }
    items {
      id
    }
    addresses {
      firstname,
      lastname,
      address_type
    }
  }
}

[naydav]

Please, add rollback for this fixture

[rogyar]

The rollback for the mentioned fixture exists (active_quote_rollback.php). As for masked id - the corresponding database entry is being removed when the quote is removed, so the current rollback works for masked ids as well (have just double checked this behavior)

[naydav]

Looks like we need to remove this string

[rogyar]

Thanks, it's PHPStorm stuff. Removed :)

[naydav]

Why do we need to load Quote?

[rogyar]

Let me shed some light here.
I use this fixture because we perform tests for this quote. I use this fixture since it assigns maskedQuoteId to the quote. Also, this fixture provides a guest quote (it's not assigned to a customer)
So, the flow is: we load the guest quote, we perform tests for the guest quote.

As for the model loading, we need to get maskedQuoteId somehow but we don't have a quoteId that can be used for quoteIdToMaskedId service (only reservedOrderId). So, I load the model for retrieving quoteId.

[ghost]

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