(C) Shippo Create Transaction Object

Creates a Transaction object that represents a shipping label purchase and is based on the shipping rate.

For more information, see https://goshippo.com/docs/shipping-labels/

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

void ChilkatSample(void)
    {
    HCkHttp http;
    BOOL success;
    HCkHttpRequest req;
    HCkHttpResponse resp;
    HCkStringBuilder sbResponseBody;
    HCkJsonObject jResp;
    int respStatusCode;
    const char *object_state;
    const char *status;
    const char *object_created;
    const char *object_updated;
    const char *object_id;
    const char *object_owner;
    BOOL test;
    const char *rate;
    const char *tracking_number;
    const char *tracking_status;
    const char *eta;
    const char *tracking_url_provider;
    const char *label_url;
    const char *commercial_invoice_url;
    const char *order;
    const char *metadata;
    const char *parcel;
    int i;
    int count_i;

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

    http = CkHttp_Create();

    // Implements the following CURL command:

    // curl https://api.goshippo.com/transactions \
    //     -H "Authorization: ShippoToken <API_TOKEN>" \
    //     -d rate="478fb066930e4e3195a3686f7ea5b612"
    //     -d label_file_type="PDF"
    //     -d async=false

    req = CkHttpRequest_Create();
    CkHttpRequest_putHttpVerb(req,"POST");
    CkHttpRequest_putPath(req,"/transactions");
    CkHttpRequest_putContentType(req,"application/x-www-form-urlencoded");
    CkHttpRequest_AddParam(req,"rate","478fb066930e4e3195a3686f7ea5b612");
    CkHttpRequest_AddParam(req,"label_file_type","PDF");
    CkHttpRequest_AddParam(req,"async","false");

    CkHttpRequest_AddHeader(req,"Authorization","ShippoToken <API_TOKEN>");

    resp = CkHttp_PostUrlEncoded(http,"https://api.goshippo.com/transactions",req);
    if (CkHttp_getLastMethodSuccess(http) == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkHttpRequest_Dispose(req);
        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);
        CkHttpRequest_Dispose(req);
        CkStringBuilder_Dispose(sbResponseBody);
        CkJsonObject_Dispose(jResp);
        return;
    }

    CkHttpResponse_Dispose(resp);

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

    // {
    //   "object_state": "VALID",
    //   "status": "SUCCESS",
    //   "object_created": "2019-06-28T18:04:08.679Z",
    //   "object_updated": "2019-06-28T18:04:10.516Z",
    //   "object_id": "6178e155da304f10aa4b4271fdca84fb",
    //   "object_owner": "admin@chilkatsoft.com",
    //   "test": true,
    //   "rate": "dd7556c284e8444294d2ab7099e662d2",
    //   "tracking_number": "92701902416755000000000015",
    //   "tracking_status": "UNKNOWN",
    //   "eta": null,
    //   "tracking_url_provider": "https://tools.usps.com/go/TrackConfirmAction_input?origTrackNum=92701902416755000000000015",
    //   "label_url": "https://shippo-delivery-east.s3.amazonaws.com/6178e155da304f10aa4b4271fdca84fb.pdf?Signature=1LU0Qf11nQJGei%2FeLZr%2BQ5EwJS4%3D&Expires=1593281050&AWSAccessKeyId=AKIAJGLCC5MYLLWIG42A",
    //   "commercial_invoice_url": null,
    //   "messages": [
    //   ],
    //   "order": null,
    //   "metadata": "",
    //   "parcel": "5af766ff15684a4186b0e3c833348fac",
    //   "billing": {
    //     "payments": [
    //     ]
    //   }
    // }

    // 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.

    object_state = CkJsonObject_stringOf(jResp,"object_state");
    status = CkJsonObject_stringOf(jResp,"status");
    object_created = CkJsonObject_stringOf(jResp,"object_created");
    object_updated = CkJsonObject_stringOf(jResp,"object_updated");
    object_id = CkJsonObject_stringOf(jResp,"object_id");
    object_owner = CkJsonObject_stringOf(jResp,"object_owner");
    test = CkJsonObject_BoolOf(jResp,"test");
    rate = CkJsonObject_stringOf(jResp,"rate");
    tracking_number = CkJsonObject_stringOf(jResp,"tracking_number");
    tracking_status = CkJsonObject_stringOf(jResp,"tracking_status");
    eta = CkJsonObject_stringOf(jResp,"eta");
    tracking_url_provider = CkJsonObject_stringOf(jResp,"tracking_url_provider");
    label_url = CkJsonObject_stringOf(jResp,"label_url");
    commercial_invoice_url = CkJsonObject_stringOf(jResp,"commercial_invoice_url");
    order = CkJsonObject_stringOf(jResp,"order");
    metadata = CkJsonObject_stringOf(jResp,"metadata");
    parcel = CkJsonObject_stringOf(jResp,"parcel");
    i = 0;
    count_i = CkJsonObject_SizeOfArray(jResp,"messages");
    while (i < count_i) {
        CkJsonObject_putI(jResp,i);
        i = i + 1;
    }

    i = 0;
    count_i = CkJsonObject_SizeOfArray(jResp,"billing.payments");
    while (i < count_i) {
        CkJsonObject_putI(jResp,i);
        i = i + 1;
    }



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

    }