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

    http := chilkat.NewHttp()

    // Load a previously obtained OAuth2 access token.
    jsonToken := chilkat.NewJsonObject()
    success := jsonToken.LoadFile("qa_data/tokens/docusign.json")
    if success == false {
        fmt.Println(jsonToken.LastErrorText())
        http.DisposeHttp()
        jsonToken.DisposeJsonObject()
        return
    }

    // Adds the "Authorization: Bearer eyJ0eXAi.....UE8Kl_V8KroQ" header.
    http.SetAuthToken(jsonToken.StringOf("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 := chilkat.NewBinData()
    success = bd1.LoadFile("qa_data/pdf/project_xyz.pdf")

    json := chilkat.NewJsonObject()
    json.UpdateString("documents[0].documentId","1")
    json.UpdateString("documents[0].name","project_xyz.pdf")
    json.UpdateString("documents[0].pages","1")
    json.UpdateString("documents[0].documentBase64",*bd1.GetEncoded("base64"))

    sbJson := chilkat.NewStringBuilder()
    json.SetEmitCompact(false)
    json.EmitSb(sbJson)

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

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

    url := "https://demo.docusign.net/restapi/v2.1/accounts/{$accountId}/envelopes/{$envelopeId}/documents"
    resp := http.PTextSb("PUT",url,sbJson,"utf-8","application/json",false,false)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        jsonToken.DisposeJsonObject()
        bd1.DisposeBinData()
        json.DisposeJsonObject()
        sbJson.DisposeStringBuilder()
        return
    }

    jResp := chilkat.NewJsonObject()
    jResp.Load(resp.BodyStr())
    jResp.SetEmitCompact(false)

    fmt.Println("Response Body:")
    fmt.Println(*jResp.Emit())

    // If you get a 401 response status code, it's likely you need to refresh the DocuSign OAuth2 token).
    respStatusCode := resp.StatusCode()
    fmt.Println("Response Status Code = ", respStatusCode)
    if respStatusCode >= 400 {
        fmt.Println("Response Header:")
        fmt.Println(resp.Header())
        fmt.Println("Failed.")
        resp.DisposeHttpResponse()
        http.DisposeHttp()
        jsonToken.DisposeJsonObject()
        bd1.DisposeBinData()
        json.DisposeJsonObject()
        sbJson.DisposeStringBuilder()
        jResp.DisposeJsonObject()
        return
    }

    resp.DisposeHttpResponse()

    // 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

    var documentId *string = new(string)
    var documentIdGuid *string = new(string)
    var name *string = new(string)
    var v_type *string = new(string)
    var uri *string = new(string)
    var order *string = new(string)
    var containsPdfFormFields *string = new(string)
    var templateRequired *string = new(string)
    var authoritativeCopy *string = new(string)

    envelopeId := jResp.StringOf("envelopeId")
    i := 0
    count_i := jResp.SizeOfArray("envelopeDocuments")
    for i < count_i {
        jResp.SetI(i)
        documentId = jResp.StringOf("envelopeDocuments[i].documentId")
        documentIdGuid = jResp.StringOf("envelopeDocuments[i].documentIdGuid")
        name = jResp.StringOf("envelopeDocuments[i].name")
        v_type = jResp.StringOf("envelopeDocuments[i].type")
        uri = jResp.StringOf("envelopeDocuments[i].uri")
        order = jResp.StringOf("envelopeDocuments[i].order")
        containsPdfFormFields = jResp.StringOf("envelopeDocuments[i].containsPdfFormFields")
        templateRequired = jResp.StringOf("envelopeDocuments[i].templateRequired")
        authoritativeCopy = jResp.StringOf("envelopeDocuments[i].authoritativeCopy")
        i = i + 1
    }


    http.DisposeHttp()
    jsonToken.DisposeJsonObject()
    bd1.DisposeBinData()
    json.DisposeJsonObject()
    sbJson.DisposeStringBuilder()
    jResp.DisposeJsonObject()