(Mono C#) Shopify Retrieve the item's inventory levels

After you have the inventory item ID, you can use it with the InventoryLevel resource to find the levels and locations for the inventory item:

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

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

Chilkat.Http http = new Chilkat.Http();

http.Login = "SHOPIFY_PRIVATE_API_KEY";
http.Password = "SHOPIFY_PRIVATE_API_KEY";

http.Accept = "application/json";

// How to get the inventory item ID

Chilkat.HttpResponse resp = http.QuickRequest("GET","https://{shop}.myshopify.com/admin/api/2020-04/inventory_levels.json?inventory_item_ids={inventory_item_id}");
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Debug.WriteLine("Response Status Code: " + Convert.ToString(resp.StatusCode));

Chilkat.JsonObject jsonResponse = new Chilkat.JsonObject();
jsonResponse.Load(resp.BodyStr);
jsonResponse.EmitCompact = false;
Debug.WriteLine(jsonResponse.Emit());

if (resp.StatusCode != 200) {
    Debug.WriteLine("Failed.");

    return;
}

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

// {
//   "inventory_levels": [
//     {
//       "inventory_item_id": 12250274365496,
//       "location_id": 6884556842,
//       "available": 8,
//       "updated_at": "2018-06-18T11:49:50-04:00",
//       "admin_graphql_api_id": "gid://shopify/InventoryLevel/6485147690?inventory_item_id=12250274365496"
//     },
//     {
//       "inventory_item_id": 12250274365496,
//       "location_id": 13968834616,
//       "available": 50,
//       "updated_at": "2018-06-26T14:44:30-04:00",
//       "admin_graphql_api_id": "gid://shopify/InventoryLevel/13570506808?inventory_item_id=12250274365496"
//     },
//     {
//       "inventory_item_id": 12250274365496,
//       "location_id": 13968867384,
//       "available": 100,
//       "updated_at": "2018-06-26T14:44:30-04:00",
//       "admin_graphql_api_id": "gid://shopify/InventoryLevel/13570539576?inventory_item_id=12250274365496"
//     }
//   ]
// }
// 

int inventory_item_id;
int location_id;
int available;
string updated_at;
string admin_graphql_api_id;

int i = 0;
int count_i = jsonResponse.SizeOfArray("inventory_levels");
while (i < count_i) {
    jsonResponse.I = i;
    inventory_item_id = jsonResponse.IntOf("inventory_levels[i].inventory_item_id");
    location_id = jsonResponse.IntOf("inventory_levels[i].location_id");
    available = jsonResponse.IntOf("inventory_levels[i].available");
    updated_at = jsonResponse.StringOf("inventory_levels[i].updated_at");
    admin_graphql_api_id = jsonResponse.StringOf("inventory_levels[i].admin_graphql_api_id");
    i = i + 1;
}