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  • Andy Cox 31 posts 182 karma points
    Dec 15, 2017 @ 12:30
    Andy Cox
    0

    Is it possible to apply multiple Models to a View Model?

    Hi All,

    Is there a way to apply multiple Models to a View Model in Ditto?

    I have a HomePageModel, which inherits from a BasePageModel. The HomePageModel has page specific properties but I would also like to apply some global site settings to the BasePageModel (such as google analytics api key etc...) as well.

    For example, I can map to my page model:

    var pageModel = model.Content.As<HomePageModel>();

    But then I would like to apply my global settings to the model by passing the original pageModel instance:

    pageModel = globalSettingsContent.As(CurrentCulture, pageModel);

    This unfortunately seems to wipe out or overwrite some of original properties (the Id, Url etc..).

    Alternatively is there a Ditto attribute I can apply to properties to ignore them if they've already been mapped?

    Sorry if this isn't very clear. I can provide futher code examples, if needed, to try and detail what we are trying to achieve.

    Thanks for any help.

    Andy

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  • Andy Cox 31 posts 182 karma points
    Dec 15, 2017 @ 16:21
    Andy Cox
    100

    I solved my issue by just converting each of my models separately and manually adding them to the pageModel instance.

    E.g.

    var pageModel = model.Content.As<HomePageModel>();

pageModel.Header = globalSettings.As<HeaderViewModel>();
pageModel.Footer = globalSettings.As<FooterViewModel>();
pageModel.SiteSettings = globalSettings.As<SiteSettingsViewModel>();
pageModel.CookieNoticeViewModel = globalSettings.As<CookieNoticeViewModel>();
etc...

    It would have been nice to able to do this in one shot though!

    Thanks,

    Andy

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  • Lee Kelleher 3945 posts 15163 karma points MVP 10x admin c-trib
    Dec 18, 2017 @ 11:38
    Lee Kelleher
    1

    Hi Andy,

    It is possible to do it all-in-one, but it would either need a custom processor (so Ditto knows where to get the globalSettings node from), or you could use the UmbracoXPath processor attribute - again, it'd need the XPath relative to the current page/node.

    For the XPath one, an example would be like this...

    public class HomePageModel
{
    [UmbracoXPath("$site/globalSettings[@isDoc]")]
    public HeaderViewModel Header { get; set; }
}

    Of course, I have no idea what the XPath is to your globalSettings node is

    Hope that helps?

    Cheers,
    - Lee

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  • Andy Cox 31 posts 182 karma points
    Dec 18, 2017 @ 12:16
    Andy Cox
    0

    That definely a method to keep in mind.

    Thanks Lee.

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