(MFC) Yousign Procedure Creation Basic Mode Upload File

Demonstrates the 1st step of Yousign procedure creation, which is to upload a PDF file.

For more information, see https://dev.yousign.com/?version=latest#0889a9c5-aa1e-4de0-9b35-4d6621b4eb20

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

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

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkHttp http;
    bool success;

    // Implements the following CURL command:

    // curl --location --request POST 'https://staging-api.yousign.com/files' \
    // --header 'Authorization: Bearer YOUR_API_KEY' \
    // --header 'Content-Type: application/json' \
    // --data-raw '{
    //     "name": "The best name for my file.pdf",
    //     "content": "JVBERi0..." }'

    // Load a PDF file to be uploaded.
    CkBinData pdfData;
    success = pdfData.LoadFile("qa_data/pdf/helloWorld.pdf");
    if (success == false) {
        strOut.append("Failed to load PDF local file.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

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

    // The following JSON is sent in the request body.

    // {
    //   "name": "The best name for my file.pdf",
    //   "content": "JVBERi0..."
    // }

    CkJsonObject json;
    json.UpdateString("name","helloWorld.pdf");
    json.UpdateString("content",pdfData.getEncoded("base64"));

    // Adds the "Authorization: Bearer YOUR_API_KEY" header.
    http.put_AuthToken("YOUR_API_KEY");
    http.SetRequestHeader("Content-Type","application/json");

    CkHttpResponse *resp = http.PostJson3("https://staging-api.yousign.com/files","application/json",json);
    if (http.get_LastMethodSuccess() == false) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    strOut.append("Response Body:");
    strOut.append("\r\n");
    strOut.append(jResp.emit());
    strOut.append("\r\n");

    int respStatusCode = resp->get_StatusCode();
    strOut.append("Response Status Code = ");
    strOut.appendInt(respStatusCode);
    strOut.append("\r\n");
    if (respStatusCode >= 400) {
        strOut.append("Response Header:");
        strOut.append("\r\n");
        strOut.append(resp->header());
        strOut.append("\r\n");
        strOut.append("Failed.");
        strOut.append("\r\n");
        delete resp;
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    delete resp;

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

    // {
    //   "id": "/files/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX",
    //   "name": "The best name for my file.pdf",
    //   "type": "signable",
    //   "contentType": "application/pdf",
    //   "description": null,
    //   "createdAt": "2018-12-01T11:36:20+01:00",
    //   "updatedAt": "2018-12-01T11:36:20+01:00",
    //   "sha256": "bb57ae2b2ca6ad0133a699350d1a6f6c8cdfde3cf872cf526585d306e4675cc2",
    //   "metadata": [
    //   ],
    //   "workspace": "/workspaces/XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX",
    //   "creator": null,
    //   "protected": false,
    //   "position": 0,
    //   "parent": null
    // }

    // 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 *id = jResp.stringOf("id");
    const char *name = jResp.stringOf("name");
    const char *v_type = jResp.stringOf("type");
    const char *contentType = jResp.stringOf("contentType");
    const char *description = jResp.stringOf("description");
    const char *createdAt = jResp.stringOf("createdAt");
    const char *updatedAt = jResp.stringOf("updatedAt");
    const char *sha256 = jResp.stringOf("sha256");
    const char *workspace = jResp.stringOf("workspace");
    const char *creator = jResp.stringOf("creator");
    bool v_protected = jResp.BoolOf("protected");
    int position = jResp.IntOf("position");
    const char *parent = jResp.stringOf("parent");
    int i = 0;
    int count_i = jResp.SizeOfArray("metadata");
    while (i < count_i) {
        jResp.put_I(i);
        i = i + 1;
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }