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(MFC) Xero Upload File (Files API)

Demonstrates how to upload a file to a Xero folder.

Note: This example requires Chilkat v9.5.0.64 or greater.

Chilkat C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkRest.h>
#include <CkStringBuilder.h>
#include <CkBinData.h>
#include <CkHttp.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // Note: Requires Chilkat v9.5.0.64 or greater.

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

    CkRest rest;
    bool success;

    // Before sending REST API calls, the REST object needs to be
    // initialized for OAuth1.
    // See Xero 2-Legged OAuth1 Setup for sample code.

    // Assuming the REST object's OAuth1 authenticator is setup, and the initial
    // connection was made, we may now send REST HTTP requests..

    // --------------------------------------------------------------
    // This example will upload a file to a folder using the Xero FILES API

    const char *folderID = "0ffca059-f2f1-4271-8de9-4b87c8c2c638";
    // This JPG image can be downloaded from https://www.chilkatsoft.com/syncedImages/penguins.jpg
    const char *filename = "penguins.jpg";

    CkStringBuilder sbPath;
    sbPath.Append("/files.xro/1.0/Files/{FolderId}");
    int numReplaced = sbPath.Replace("{FolderId}",folderID);

    rest.AddHeader("Content-Type","image/jpeg");

    // Load the JPG image from a file.
    CkBinData jpgData;
    success = jpgData.LoadFile("qa_data/jpg/penguins.jpg");

    // We could alternatively get it from a URL like this:
    CkBinData jpgDataFromWeb;
    CkHttp http;
    success = http.QuickGetBd("https://www.chilkatsoft.com/syncedImages/penguins.jpg",jpgDataFromWeb);
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // 
    // Put the file data in the 1st sub-part in the multipart/form-data request we'll be sending.
    rest.put_PartSelector("1");
    rest.SetMultipartBodyBd(jpgData);

    // Set request headers in the 1st subpart (as indicated by the PartSelector)
    rest.AddHeader("Content-Type","image/jpeg");
    rest.AddHeader("Content-Disposition","multipart/form-data; name=Xero; filename=penguins.jpg");

    // Restore the PartSelector to an empty string.
    rest.put_PartSelector("");

    rest.AddHeader("Content-Type","multipart/form-data");

    // Upload with a multipart/form-data POST
    const char *responseJson = rest.fullRequestMultipart("POST",sbPath.getAsString());
    if (rest.get_LastMethodSuccess() != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkJsonObject json;
    json.Load(responseJson);
    json.put_EmitCompact(false);

    // A 201 response is expected for actual success.
    // The Xero documentation doesn't explicitly state it, but that's what we've found in testing.
    // To be safe, we'll check for either 200 or 201.
    if ((rest.get_ResponseStatusCode() != 200) && (rest.get_ResponseStatusCode() != 201)) {
        strOut.append(json.emit());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Examine the JSON response
    strOut.append(json.emit());
    strOut.append("\r\n");

    // A successful response looks like this:

    // 	{ 
    // 	  "Name": "penguins.jpg",
    // 	  "MimeType": "image/jpeg",
    // 	  "Size": 777835,
    // 	  "CreatedDateUtc": "2016-11-12T15:31:53.4230000",
    // 	  "UpdatedDateUtc": "2016-11-12T15:31:53.4230000",
    // 	  "User": { 
    // 	    "Name": "admin@chilkatsoft.com",
    // 	    "FirstName": "Matthew",
    // 	    "LastName": "Smith",
    // 	    "FullName": "Matthew Smith",
    // 	    "Id": "c362fe42-cb12-461f-b84a-c281c1a74841"
    // 	  },
    // 	  "FolderId": "0ffca059-f2f1-4271-8de9-4b87c8c2c638",
    // 	  "Id": "f042e9a3-a31d-4595-b8b3-6030ea6084bb"
    // 	}


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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