unsubscribe with new mailchimp datacenters

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Jon 17 posts 40 karma points

Sep 30, 2010 @ 11:17
1

Unsubscribe with new Mailchimp Datacenters
Hi Thomas. I noticed on Codeplex that you'd updated the MC4Umbraco sourcecode to allow for the new mailchimp datacenters. This works great in the AddSubscriber method but it looks like the UnSubscribe method still errors. I copied your approach in the other method and changed the code as follows on my version:
```
string dataCenter = String.Empty;
if (!String.IsNullOrEmpty(_APIKey))
{
    dataCenter = _APIKey.Substring(_APIKey.Length - 3, 3) + ".";
}
string APIUrl = string.Format("http://{3}api.mailchimp.com/1.2/?method=listUnsubscribe&apikey={0}&id={2}&email_address={1}&delete_member=1&send_goodbye=1&send_notify=0&output=xml", _APIKey, emailAddress, mailChimpListId, dataCenter);
 
```
It's playing nicely now. Just thought I'd let you know, in case it's of any use to you.

Cheers

Jon
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Thomas Vestergaard 52 posts 138 karma points

Sep 30, 2010 @ 15:33

0

Hey Jon

You are absolutely right. Thanks a lot!

/Thomas

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Antonio Amézquita 35 posts 52 karma points

Dec 12, 2011 @ 09:27

0

Hi there, thanks for sharing the great package!

The unsubscribe template gives me an error like this one:

Invalid Mailchimp API Key: (X). You are accessing the wrong datacenter - your client library may not properly support our datacenter mapping scheme. (104)

I tought this might be related, I am on an Umbraco v 4.0.3 installation , .NET Version: 4.0, MailChimp4Umbraco 0.92

Is there a .dll or something that needs to be replaced for this to work?

Thanks for any help!

Antonio

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Thomas Vestergaard 52 posts 138 karma points

Dec 12, 2011 @ 09:39

0

Hi Antonio

There is a bug in the current version, causing the error you see.
If it's urgent, I suggest that you download the package sourcecode from codeplex here: http://mailchimp4umbraco.codeplex.com/releases/view/47230

In the BusinessLogic project, open ChimpApi/MailChimpCommunicator.cx swap the contents of the UnSubscribe method with the code below.
When that's done, you should be able to compile a new Mailchimp4Umbraco.Businesslogic.dll and overwrite the version you have on your sever.
I'm sorry for the inconvenience, I will fix the package once I get the time :)

          // Build API call URL
            string dataCenter = String.Empty;
            if (!String.IsNullOrEmpty(_APIKey))
            {
                dataCenter = _APIKey.Substring(_APIKey.Length - 3, 3) + ".";
            }

          // Build API call URL
            string APIUrl = string.Format("http://{4}api.mailchimp.com/1.2/?method=listUnsubscribe&apikey={0}&id={2}&email_address={1}&delete_member=1&send_goodbye=1&send_notify=0&output=xml", _APIKey, emailAddress, mailChimpListId, dataCenter);

            #region Call API
            try
            {
                byte[] data = _webClient.DownloadData(APIUrl);
                return new MailChimpResponse(ASCIIEncoding.ASCII.GetString(data));

            }
            catch (Exception)
            {
                // If we end up here, the MailChimp API URL is not valid
                return new MailChimpResponse(string.Empty);
            }
            #endregion

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Antonio Amézquita 35 posts 52 karma points

Dec 15, 2011 @ 12:54

0

Hi Thomas

So it worked, I just had to add the list Id into the unsubscribe macro and it all worked awesome!

Thanks much!

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