(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:

Note: This example requires Chilkat v11.0.0 or greater.

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)
    {
    BOOL success;
    HCkHttp http;
    HCkHttpResponse resp;
    HCkJsonObject jsonResponse;
    int inventory_item_id;
    int location_id;
    int available;
    const char *updated_at;
    const char *admin_graphql_api_id;
    int i;
    int count_i;

    success = FALSE;

    // 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");

    // How to get the inventory item ID

    resp = CkHttpResponse_Create();
    success = CkHttp_HttpNoBody(http,"GET","https://{shop}.myshopify.com/admin/api/2020-04/inventory_levels.json?inventory_item_ids={inventory_item_id}",resp);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkHttpResponse_Dispose(resp);
        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");
        CkHttp_Dispose(http);
        CkHttpResponse_Dispose(resp);
        CkJsonObject_Dispose(jsonResponse);
        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"
    //     }
    //   ]
    // }
    // 

    i = 0;
    count_i = CkJsonObject_SizeOfArray(jsonResponse,"inventory_levels");
    while (i < count_i) {
        CkJsonObject_putI(jsonResponse,i);
        inventory_item_id = CkJsonObject_IntOf(jsonResponse,"inventory_levels[i].inventory_item_id");
        location_id = CkJsonObject_IntOf(jsonResponse,"inventory_levels[i].location_id");
        available = CkJsonObject_IntOf(jsonResponse,"inventory_levels[i].available");
        updated_at = CkJsonObject_stringOf(jsonResponse,"inventory_levels[i].updated_at");
        admin_graphql_api_id = CkJsonObject_stringOf(jsonResponse,"inventory_levels[i].admin_graphql_api_id");
        i = i + 1;
    }



    CkHttp_Dispose(http);
    CkHttpResponse_Dispose(resp);
    CkJsonObject_Dispose(jsonResponse);

    }