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

void ChilkatSample(void)
    {
    HCkHttp http;
    const char *query;
    const char *url;
    HCkHttpResponse resp;
    HCkStringBuilder sbResponseBody;
    HCkJsonObject jResp;
    int respStatusCode;
    const char *shopId;
    const char *shopName;
    const char *shopDescription;
    const char *shopEmail;
    int costRequestedQueryCost;
    int costActualQueryCost;
    const char *costThrottleStatusMaximumAvailable;
    int costThrottleStatusCurrentlyAvailable;
    const char *costThrottleStatusRestoreRate;

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

    http = CkHttp_Create();

    // 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.
    CkHttp_putLogin(http,"SHOPIFY_PRIVATE_API_KEY");
    CkHttp_putPassword(http,"SHOPIFY_PRIVATE_API_SECRET_KEY");
    CkHttp_putBasicAuth(http,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:

    query = "{ shop { id name description email } }";

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

    resp = CkHttp_PText(http,"POST",url,query,"utf-8","application/graphql",FALSE,FALSE);
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        return;
    }

    // Examine the response code.
    if (CkHttpResponse_getStatusCode(resp) != 200) {
        printf("Received error response code: %d\n",CkHttpResponse_getStatusCode(resp));
        printf("Response body:\n");
        printf("%s\n",CkHttpResponse_bodyStr(resp));
        CkHttpResponse_Dispose(resp);
        CkHttp_Dispose(http);
        return;
    }

    sbResponseBody = CkStringBuilder_Create();
    CkHttpResponse_GetBodySb(resp,sbResponseBody);
    jResp = CkJsonObject_Create();
    CkJsonObject_LoadSb(jResp,sbResponseBody);
    CkJsonObject_putEmitCompact(jResp,FALSE);

    printf("Response Body:\n");
    printf("%s\n",CkJsonObject_emit(jResp));

    respStatusCode = CkHttpResponse_getStatusCode(resp);
    printf("Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        printf("Response Header:\n");
        printf("%s\n",CkHttpResponse_header(resp));
        printf("Failed.\n");
        CkHttpResponse_Dispose(resp);
        CkHttp_Dispose(http);
        CkStringBuilder_Dispose(sbResponseBody);
        CkJsonObject_Dispose(jResp);
        return;
    }

    CkHttpResponse_Dispose(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.

    shopId = CkJsonObject_stringOf(jResp,"data.shop.id");
    shopName = CkJsonObject_stringOf(jResp,"data.shop.name");
    shopDescription = CkJsonObject_stringOf(jResp,"data.shop.description");
    shopEmail = CkJsonObject_stringOf(jResp,"data.shop.email");
    costRequestedQueryCost = CkJsonObject_IntOf(jResp,"extensions.cost.requestedQueryCost");
    costActualQueryCost = CkJsonObject_IntOf(jResp,"extensions.cost.actualQueryCost");
    costThrottleStatusMaximumAvailable = CkJsonObject_stringOf(jResp,"extensions.cost.throttleStatus.maximumAvailable");
    costThrottleStatusCurrentlyAvailable = CkJsonObject_IntOf(jResp,"extensions.cost.throttleStatus.currentlyAvailable");
    costThrottleStatusRestoreRate = CkJsonObject_stringOf(jResp,"extensions.cost.throttleStatus.restoreRate");

    printf("Shop name: %s\n",shopName);
    // ...


    CkHttp_Dispose(http);
    CkStringBuilder_Dispose(sbResponseBody);
    CkJsonObject_Dispose(jResp);

    }