(C) DocuSign Add One Document to a Draft Envelope

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Demonstrates how to add one document to a DocuSign draft envelope.

For more information, see https://developers.docusign.com/docs/esign-rest-api/reference/envelopes/envelopedocuments/updatelist/

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

void ChilkatSample(void)
    {
    HCkHttp http;
    HCkJsonObject jsonToken;
    BOOL success;
    HCkBinData bd1;
    HCkJsonObject json;
    HCkStringBuilder sbJson;
    const char *url;
    HCkHttpResponse resp;
    HCkJsonObject jResp;
    int respStatusCode;
    const char *documentId;
    const char *documentIdGuid;
    const char *name;
    const char *v_type;
    const char *uri;
    const char *order;
    const char *containsPdfFormFields;
    const char *templateRequired;
    const char *authoritativeCopy;
    const char *envelopeId;
    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();

    // Load a previously obtained OAuth2 access token.
    jsonToken = CkJsonObject_Create();
    success = CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/docusign.json");
    if (success == FALSE) {
        printf("%s\n",CkJsonObject_lastErrorText(jsonToken));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        return;
    }

    // Adds the "Authorization: Bearer eyJ0eXAi.....UE8Kl_V8KroQ" header.
    CkHttp_putAuthToken(http,CkJsonObject_stringOf(jsonToken,"access_token"));

    // Send the following request.
    // Make sure to use your own account ID (obtained from Get Docusign User Account Information)

    // PUT https://demo.docusign.net/restapi/v2.1/accounts/<account ID>/envelopes/<envelope ID>/documents HTTP/1.1
    // Expect: 100-continue
    // Accept: application/json
    // Cache-Control: no-cache
    // Authorization: Bearer eyJ0eX...
    // Content-Length: ...
    // Content-Type: application/json
    // 
    // {
    // 	"documents": [
    // 		{
    // 		"documentId": "1",
    // 		"name": "project_xyz.pdf",
    // 		"pages": "1",
    // 		"documentBase64": "<insert base64 content here>"
    // 		}
    // 	]
    // }

    bd1 = CkBinData_Create();
    success = CkBinData_LoadFile(bd1,"qa_data/pdf/project_xyz.pdf");

    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"documents[0].documentId","1");
    CkJsonObject_UpdateString(json,"documents[0].name","project_xyz.pdf");
    CkJsonObject_UpdateString(json,"documents[0].pages","1");
    CkJsonObject_UpdateString(json,"documents[0].documentBase64",CkBinData_getEncoded(bd1,"base64"));

    sbJson = CkStringBuilder_Create();
    CkJsonObject_putEmitCompact(json,FALSE);
    CkJsonObject_EmitSb(json,sbJson);

    CkHttp_SetRequestHeader(http,"Expect","100-continue");
    CkHttp_SetRequestHeader(http,"Cache-Control","no-cache");
    CkHttp_SetRequestHeader(http,"Accept","application/json");

    // Use your own account ID here.
    CkHttp_SetUrlVar(http,"accountId","7f3f65ed-5e87-418d-94c1-92499ddc8252");
    // Use the envelope ID returned by DocuSign when creating the draft envelope).
    CkHttp_SetUrlVar(http,"envelopeId","0b437b95-cc50-475f-8dec-65bae9f27d09");

    url = "https://demo.docusign.net/restapi/v2.1/accounts/{$accountId}/envelopes/{$envelopeId}/documents";
    resp = CkHttp_PTextSb(http,"PUT",url,sbJson,"utf-8","application/json",FALSE,FALSE);
    if (CkHttp_getLastMethodSuccess(http) == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        CkBinData_Dispose(bd1);
        CkJsonObject_Dispose(json);
        CkStringBuilder_Dispose(sbJson);
        return;
    }

    jResp = CkJsonObject_Create();
    CkJsonObject_Load(jResp,CkHttpResponse_bodyStr(resp));
    CkJsonObject_putEmitCompact(jResp,FALSE);

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

    // If you get a 401 response status code, it's likely you need to refresh the DocuSign OAuth2 token).
    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);
        CkJsonObject_Dispose(jsonToken);
        CkBinData_Dispose(bd1);
        CkJsonObject_Dispose(json);
        CkStringBuilder_Dispose(sbJson);
        CkJsonObject_Dispose(jResp);
        return;
    }

    CkHttpResponse_Dispose(resp);

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

    // {
    //   "envelopeId": "da9fb811-e6a4-48c0-a9fb-81ed18b989af",
    //   "envelopeDocuments": [
    //     {
    //       "documentId": "1",
    //       "documentIdGuid": "38e919fc-0a77-4b0c-9da0-e3530f4e6fc7",
    //       "name": "project_xyz.pdf",
    //       "type": "content",
    //       "uri": "/envelopes/da9fb811-e6a4-48c0-a9fb-81ed18b989af/documents/1",
    //       "order": "3",
    //       "containsPdfFormFields": "false",
    //       "templateRequired": "false",
    //       "authoritativeCopy": "false"
    //     }
    //   ]
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    envelopeId = CkJsonObject_stringOf(jResp,"envelopeId");
    i = 0;
    count_i = CkJsonObject_SizeOfArray(jResp,"envelopeDocuments");
    while (i < count_i) {
        CkJsonObject_putI(jResp,i);
        documentId = CkJsonObject_stringOf(jResp,"envelopeDocuments[i].documentId");
        documentIdGuid = CkJsonObject_stringOf(jResp,"envelopeDocuments[i].documentIdGuid");
        name = CkJsonObject_stringOf(jResp,"envelopeDocuments[i].name");
        v_type = CkJsonObject_stringOf(jResp,"envelopeDocuments[i].type");
        uri = CkJsonObject_stringOf(jResp,"envelopeDocuments[i].uri");
        order = CkJsonObject_stringOf(jResp,"envelopeDocuments[i].order");
        containsPdfFormFields = CkJsonObject_stringOf(jResp,"envelopeDocuments[i].containsPdfFormFields");
        templateRequired = CkJsonObject_stringOf(jResp,"envelopeDocuments[i].templateRequired");
        authoritativeCopy = CkJsonObject_stringOf(jResp,"envelopeDocuments[i].authoritativeCopy");
        i = i + 1;
    }



    CkHttp_Dispose(http);
    CkJsonObject_Dispose(jsonToken);
    CkBinData_Dispose(bd1);
    CkJsonObject_Dispose(json);
    CkStringBuilder_Dispose(sbJson);
    CkJsonObject_Dispose(jResp);

    }