using MergeVar to update FNAME, LNAME etc about mailchimp.net HOT 10 CLOSED

I was trying to do this as well and it looks like the current code doesn't support that. The .Subscribe(...) method takes a strongly-typed "MergeVar" class, which you can extend from, but since it is downcasted when you pass it in the Json serializer will not pickup the ancestor properties.

I'd be interested in knowing what a good solution to this would be because I couldn't think of one right off.

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I was able to get this working, but i'm unsure if the maintainer would choose to solve the problem in this way.

With these changes, you would be able to do something like

[DataContract]
public class CustomMergeVars: MergeVar
{
    [DataMember(Name="FNAME")]
    public string FirstName { get; set; }

    [DataMember(Name="LNAME")]
    public string LastName { get; set; }
}

then use it like

var email = new EmailParameter()
{
    Email = "[email protected]"
};

var mergeVars = new CustomMergeVars
{
    FirstName = "John",
    LastName = "Doe"
};                      

var mc = new MailChimpManager("APIKey");

try
{
    mc.Subscribe(listId: "listid", 
                    emailParam: email, 
                    mergeVars: mergeVars, 
                    sendWelcome: true);

    // redirect here
}
catch
{
    // do something
}

and the resulting JSON request would look like

{
    "apikey": "APIKey",
    "id": "listid",
    "email": {
        "email": "[email protected]"
    },
    "merge_vars": {
        "FNAME": "John",
        "LNAME": "Doe"
    },
    "email_type": "html",
    "double_optin": true,
    "update_existing": false,
    "replace_interests": true,
    "send_welcome": true
}

I'm using this so I've verified it works for my needs

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i actually ended up using my own classes in the end as, as you point out the mergevar class here doesn't seem finished.

for my mergevar class i used

internal class MergeVars : Dictionary<string, object>
{

    /// <summary>
    /// Initializes a new instance of the <see cref="MergeVars"/> class.
    /// </summary>
    public MergeVars()
    {
        this.Add("new-email", null);
        this.Add("groupings", null);
    }
    /// <summary>
    /// set this to change the email address. This is only respected on calls using update_existing or 
    /// when passed to listUpdateMember().
    /// </summary>
    public string NewEmail
    {
        get
        {
            return (string) this["new-email"];
        }
        set
        {
            this["new-email"] = value;
        }
    }

    /// <summary>
    /// Interest Groupings 
    /// </summary>
    public List<Grouping> Groupings
    {
        get
        {
            return (List<Grouping>)this["groupings"];
        }
        set
        {
            this["groupings"] = value;
        }
    }


}

however there are some problems with this. I couldn't get serilization of the grouping class to recognise datamember names so had to end up using lower-case property names for the Grouping class. Not ideal. So I am sure that there is a better solution out there.

As the mergevars is a dictionary, any mergevar can now be added as required.

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@chadxz Thanks for the reply. To be honest, it's not clear to me how mergevars should work, so I wanted to tackle other parts of the API before coming back around to them. I'll review your pull request.

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I'm having this issue as well. I'm using .Net 4.0. I changed the Target Framework to be 4.0 for MailChimp and the MailChimp.Tests projects. First name and last name aren't showing up in MailChimp. The subscriber email address is added to the list just fine.

I altered SubscribeWithGroupSelection_Successful to make this call:
EmailParameter results = mc.Subscribe(strListID, email, mvso, "html" ,false, false, false, false);

The only thing I changed in the test was to pass in the other parameters to avoid the opt-in email. Do I have to download ServiceStack and recompile that too?

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Can you post a failing test?

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The test doesn't fail. It simply doesn't store first or last name in the
mailchimp site.
On Jan 16, 2015 2:36 AM, "Marco Dissel" [email protected] wrote:

Can you post a failing test?

—
Reply to this email directly or view it on GitHub
#5 (comment)
.

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Are you sure? (the fieldnames FNAME and LNAME are required in the first list in your account for a successful test)
I just re-run the test in my account and the fields are properly updated

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I'm sure. I went into my list definition on the site and marked these two
fields as REQUIRED and an error came back from the json call reporting
this, as expected.

I suspect that the service stack call is not parsing out the properties for
first and last name.
On Jan 16, 2015 3:23 AM, "Marco Dissel" [email protected] wrote:

Are you sure? (the fieldnames FNAME and LNAME are required in the first
list in your account for a successful test)
I just re-run the test in my account and the fields are properly updated

—
Reply to this email directly or view it on GitHub
#5 (comment)
.

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I wrote an article on a simple way up adding subscribers to a list using:

      Dim mailchimp As New ZmailChimp
      Dim ListId$ = "9b2e63f0b9"   'List Sage' List
      Dim email$ = "[email protected]" '"[email protected]"
      Dim fieldListOnAdd = "FNAME,Sam,LNAME,Smith,MTYPE,User,MID,631637"
      Dim fieldListOnUpdate = "FNAME,Sam,LNAME,Smith,MID,631637"  'Don't change MTYPE
      'Put on 'Sage One' and 'Sage 50' group
      Dim groupList = "407da9f47d,05086211ba"

      With mailchimp
         .API$ = "46cMailChimpAPIKeyd1de-us14" 'MailChimp API key
         .dataCenter$ = "us14"  'Last 4 letters of API key
         .password$ = "Password!"
         MsgBox(.addSubscriber(ListId$, email, fieldListOnAdd, fieldListOnUpdate, groupList))
      End With
      mailchimp = Nothing

see:http://www.codeproject.com/Tips/1140339/Mail-Chimp-Add-Update-e-mail-to-List-and-Subscribe
this may save someone some time

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