(Go) Xero Upload Attachment

Demonstrates how to upload an attachment to Xero.

For more information, see https://developer.xero.com/documentation/api/attachments#POST

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

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

    http := chilkat.NewHttp()

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

    jsonToken := chilkat.NewJsonObject()
    success := jsonToken.LoadFile("qa_data/tokens/xero-access-token.json")
    if success == false {
        fmt.Println(jsonToken.LastErrorText())
        http.DisposeHttp()
        jsonToken.DisposeJsonObject()
        return
    }

    http.SetAuthToken(jsonToken.StringOf("access_token"))

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

    http.SetAccept("application/json")

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

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

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

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

    // Load the file to be uploaded (from the local filesystem).
    bd := chilkat.NewBinData()
    success = bd.LoadFile("qa_data/jpg/penguins.jpg")
    if success == false {
        fmt.Println("Failed to load attachment file.")
        http.DisposeHttp()
        jsonToken.DisposeJsonObject()
        bd.DisposeBinData()
        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 := http.PBinaryBd("POST",url,bd,"image/jpg",false,false)
    if http.LastMethodSuccess() != true {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        jsonToken.DisposeJsonObject()
        bd.DisposeBinData()
        return
    }

    fmt.Println("Response Status Code: ", resp.StatusCode())

    jsonResponse := chilkat.NewJsonObject()
    jsonResponse.Load(resp.BodyStr())
    jsonResponse.SetEmitCompact(false)
    fmt.Println(*jsonResponse.Emit())

    if resp.StatusCode() != 200 {
        fmt.Println("Failed.")
        resp.DisposeHttpResponse()
        http.DisposeHttp()
        jsonToken.DisposeJsonObject()
        bd.DisposeBinData()
        jsonResponse.DisposeJsonObject()
        return
    }

    resp.DisposeHttpResponse()

    // 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
    //     }
    //   ]
    // }

    http.DisposeHttp()
    jsonToken.DisposeJsonObject()
    bd.DisposeBinData()
    jsonResponse.DisposeJsonObject()