(Ruby) Shopify Query a variant for its inventory item ID

Query a product variant to find the ID of its inventory item.

For more information, see https://shopify.dev/tutorials/manage-product-inventory-with-admin-api#retrieve-the-inventory-levels-for-a-product-variant

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

http = Chilkat::CkHttp.new()

http.put_Login("SHOPIFY_PRIVATE_API_KEY")
http.put_Password("SHOPIFY_PRIVATE_API_KEY")

http.put_Accept("application/json")

# resp is a CkHttpResponse
resp = http.QuickRequest("GET","https://{shop}.myshopify.com/admin/api/2020-04/products/{product_id}/variants/{variant_id}.json")
if (http.get_LastMethodSuccess() != true)
    print http.lastErrorText() + "\n";
    exit
end

print "Response Status Code: " + resp.get_StatusCode().to_s() + "\n";

jsonResponse = Chilkat::CkJsonObject.new()
jsonResponse.Load(resp.bodyStr())
jsonResponse.put_EmitCompact(false)
print jsonResponse.emit() + "\n";

if (resp.get_StatusCode() != 200)
    print "Failed." + "\n";

    exit
end

# Sample output...
# (See the parsing code below..)
# 
# Use the this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

# {
#   "id": 12195009364024,
#   "product_id": 1321541042232,
#   "title": "xs",
# ...
#   "inventory_item_id": 12250274365496,
# ...
#   "admin_graphql_api_id": "gid://shopify/ProductVariant/12195009364024"
# }
# 

id = jsonResponse.IntOf("id")
product_id = jsonResponse.IntOf("product_id")
title = jsonResponse.stringOf("title")
inventory_item_id = jsonResponse.IntOf("inventory_item_id")
admin_graphql_api_id = jsonResponse.stringOf("admin_graphql_api_id")