C

Xero Upload Attachment

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Demonstrates how to upload an attachment to Xero. C

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

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttp http;
    HCkJsonObject jsonToken;
    const char *url;
    HCkBinData bd;
    HCkHttpResponse resp;
    HCkJsonObject jsonResponse;

    success = FALSE;

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

    http = CkHttp_Create();

    // Important: Make sure your OAuth2 access token was obtained with the scope "accounting.attachments"
    // included in the list of scopes.

    jsonToken = CkJsonObject_Create();
    success = CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/xero-access-token.json");
    if (success == FALSE) {
        printf("%s\n",CkJsonObject_lastErrorText(jsonToken));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        return;
    }

    CkHttp_putAuthToken(http,CkJsonObject_stringOf(jsonToken,"access_token"));

    // Replace the value here with an actual tenant ID obtained from this example:
    // Get Xero Tenant IDs
    CkHttp_SetRequestHeader(http,"Xero-tenant-id","83299b9e-5747-4a14-a18a-a6c94f824eb7");

    CkHttp_putAccept(http,"application/json");

    url = "https://api.xero.com/api.xro/2.0/{$Endpoint}/{$Guid}/Attachments/{$Filename}";

    // Endpoint can be Invoices, Receipts, CreditNotes, PurchaseOrders, etc.
    CkHttp_SetUrlVar(http,"Endpoint","Invoices");

    // Guid is the ID of the item, such as the InvoiceID.
    CkHttp_SetUrlVar(http,"Guid","0032f627-3156-4d30-9b1c-4d3b994dc921");

    // Filename is the filename of the attachment you are uploading.
    CkHttp_SetUrlVar(http,"Filename","penguins.jpg");

    // Load the file to be uploaded (from the local filesystem).
    bd = CkBinData_Create();
    success = CkBinData_LoadFile(bd,"qa_data/jpg/penguins.jpg");
    if (success == FALSE) {
        printf("Failed to load attachment file.\n");
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        CkBinData_Dispose(bd);
        return;
    }

    // Indicate the content-type according to the file content type.
    // Common content-types are:   image/jpg, image/png, application/pdf, application/zip, application/msword
    // If you don't know, use application/octet-stream
    resp = CkHttpResponse_Create();
    success = CkHttp_HttpBd(http,"POST",url,bd,"image/jpg",resp);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        CkBinData_Dispose(bd);
        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);
        CkJsonObject_Dispose(jsonToken);
        CkBinData_Dispose(bd);
        CkHttpResponse_Dispose(resp);
        CkJsonObject_Dispose(jsonResponse);
        return;
    }

    // A sample response:

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    // {
    //   "Id": "35333c64-4449-457b-bf6a-1b64d538e3c7",
    //   "Status": "OK",
    //   "ProviderName": "Chilkat2222",
    //   "DateTimeUTC": "\/Date(1587212597758)\/",
    //   "Attachments": [
    //     {
    //       "AttachmentID": "daf106e2-8634-4349-bfcc-86c1df0793b2",
    //       "FileName": "penguins.jpg",
    //       "Url": "https://api.xero.com/api.xro/2.0/Invoices/0032f627-3156-4d30-9b1c-4d3b994dc921/Attachments/penguins.jpg",
    //       "MimeType": "image/jpg",
    //       "ContentLength": 777835
    //     }
    //   ]
    // }


    CkHttp_Dispose(http);
    CkJsonObject_Dispose(jsonToken);
    CkBinData_Dispose(bd);
    CkHttpResponse_Dispose(resp);
    CkJsonObject_Dispose(jsonResponse);

    }