(C++) Shopify GraphQL Simple Query (Get Shop Object)

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Demonstrates a simple Shopify GraphQL query to get specific fields of the Shop object.

For more information, see https://www.shopify.com/partners/blog/shopify-graphql-learning-kit#query-structure

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#include <CkHttp.h>
#include <CkHttpResponse.h>
#include <CkStringBuilder.h>
#include <CkJsonObject.h>

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

    CkHttp http;

    // This example will use private authentication (which is HTTP Basic authentication)
    // See the other Chilkat Shopify examples for OAuth2 authentication.
    // To use HTTP Basic Authentication with any HTTP request, we simply set the Login, Password, and BasicAuth properties.
    // Important: All HTTP requests using Basic authentication must be over SSL/TLS.
    http.put_Login("SHOPIFY_PRIVATE_API_KEY");
    http.put_Password("SHOPIFY_PRIVATE_API_SECRET_KEY");
    http.put_BasicAuth(true);

    // We're going to do a POST  https://{shop}.myshopify.com/admin/api/2021-04/graphql.json
    // Make sure to replace "chilkat" with your store name.

    // The body of the request will be:
    //    {
    //        shop {
    //            id
    //            name
    //            description
    //            email
    //         }
    //     }

    // The above query is not JSON.  It looks like JSON, but it's actually not.
    // We'll just make it one line:

    const char *query = "{ shop { id name description email } }";

    // My store name is "chilkat".  Use your store name here instead.
    const char *url = "https://chilkat.myshopify.com/admin/api/2021-04/graphql.json";

    CkHttpResponse *resp = http.PText("POST",url,query,"utf-8","application/graphql",false,false);
    if (http.get_LastMethodSuccess() != true) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    // Examine the response code.
    if (resp->get_StatusCode() != 200) {
        std::cout << "Received error response code: " << resp->get_StatusCode() << "\r\n";
        std::cout << "Response body:" << "\r\n";
        std::cout << resp->bodyStr() << "\r\n";
        delete resp;
        return;
    }

    CkStringBuilder sbResponseBody;
    resp->GetBodySb(sbResponseBody);
    CkJsonObject jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    std::cout << "Response Body:" << "\r\n";
    std::cout << jResp.emit() << "\r\n";

    int respStatusCode = resp->get_StatusCode();
    std::cout << "Response Status Code = " << respStatusCode << "\r\n";
    if (respStatusCode >= 400) {
        std::cout << "Response Header:" << "\r\n";
        std::cout << resp->header() << "\r\n";
        std::cout << "Failed." << "\r\n";
        delete resp;
        return;
    }

    delete resp;

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "data": {
    //     "shop": {
    //       "id": "gid:\/\/shopify\/Shop\/24198053",
    //       "name": "chilkat",
    //       "description": null,
    //       "email": "admin@chilkatsoft.com"
    //     }
    //   },
    //   "extensions": {
    //     "cost": {
    //       "requestedQueryCost": 1,
    //       "actualQueryCost": 1,
    //       "throttleStatus": {
    //         "maximumAvailable": 1000.0,
    //         "currentlyAvailable": 999,
    //         "restoreRate": 50.0
    //       }
    //     }
    //   }
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    const char *shopId = jResp.stringOf("data.shop.id");
    const char *shopName = jResp.stringOf("data.shop.name");
    const char *shopDescription = jResp.stringOf("data.shop.description");
    const char *shopEmail = jResp.stringOf("data.shop.email");
    int costRequestedQueryCost = jResp.IntOf("extensions.cost.requestedQueryCost");
    int costActualQueryCost = jResp.IntOf("extensions.cost.actualQueryCost");
    const char *costThrottleStatusMaximumAvailable = jResp.stringOf("extensions.cost.throttleStatus.maximumAvailable");
    int costThrottleStatusCurrentlyAvailable = jResp.IntOf("extensions.cost.throttleStatus.currentlyAvailable");
    const char *costThrottleStatusRestoreRate = jResp.stringOf("extensions.cost.throttleStatus.restoreRate");

    std::cout << "Shop name: " << shopName << "\r\n";
    // ...
    }