(C) 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

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#include <C_CkHttp.h>
#include <C_CkHttpResponse.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    HCkHttpResponse resp;
    HCkJsonObject jsonResponse;
    int id;
    int product_id;
    const char *title;
    int inventory_item_id;
    const char *admin_graphql_api_id;

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

    http = CkHttp_Create();

    CkHttp_putLogin(http,"SHOPIFY_PRIVATE_API_KEY");
    CkHttp_putPassword(http,"SHOPIFY_PRIVATE_API_KEY");

    CkHttp_putAccept(http,"application/json");

    resp = CkHttp_QuickRequest(http,"GET","https://{shop}.myshopify.com/admin/api/2020-04/products/{product_id}/variants/{variant_id}.json");
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        return;
    }

    printf("Response Status Code: %d\n",CkHttpResponse_getStatusCode(resp));

    jsonResponse = CkJsonObject_Create();
    CkJsonObject_Load(jsonResponse,CkHttpResponse_bodyStr(resp));
    CkJsonObject_putEmitCompact(jsonResponse,FALSE);
    printf("%s\n",CkJsonObject_emit(jsonResponse));

    if (CkHttpResponse_getStatusCode(resp) != 200) {
        printf("Failed.\n");
        CkHttpResponse_Dispose(resp);
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonResponse);
        return;
    }

    CkHttpResponse_Dispose(resp);

    // 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 = CkJsonObject_IntOf(jsonResponse,"id");
    product_id = CkJsonObject_IntOf(jsonResponse,"product_id");
    title = CkJsonObject_stringOf(jsonResponse,"title");
    inventory_item_id = CkJsonObject_IntOf(jsonResponse,"inventory_item_id");
    admin_graphql_api_id = CkJsonObject_stringOf(jsonResponse,"admin_graphql_api_id");


    CkHttp_Dispose(http);
    CkJsonObject_Dispose(jsonResponse);

    }