perplex contentblocks determine in masterpage what kind of content blocks are used - Using Umbraco and getting started

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Peter van den Dungen 66 posts 365 karma points

Nov 28, 2022 @ 16:53

Perplex ContentBlocks: Determine in masterpage what kind of content blocks are used

Hi Daniël,

On the masterpage we want to determine what type of content blocks are used for the loaded page.

Now I have this extension method, but I think it can be done without reflection.

public static bool HasDealerLocatorContentBlock(this IPublishedContent content)
    {
        var contentBlocks = content
            .GetType()?
            .GetProperties()?
            .FirstOrDefault(x => x.Name == nameof(Perplex.ContentBlocks.Rendering.ContentBlocks))?
            .GetValue(content, null);

        if (contentBlocks != null && contentBlocks is Perplex.ContentBlocks.Rendering.IContentBlocks)
        {
            if ((contentBlocks as Perplex.ContentBlocks.Rendering.IContentBlocks).Blocks.Any(x => x.Content is DealerLocatorBlock))
            {
                return true;
            }
        }

        return false;
    }

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Daniël Knippers 153 posts 1116 karma points MVP 2x c-trib

Nov 30, 2022 @ 07:21

Hi Peter,

You indeed do not need reflection, you can enumerate all properties of IPublishedContent with their own API. So your method could probably be written like this (untested code though):

public static bool HasDealerLocatorContentBlock(this IPublishedContent content)
{
    if(content is null)
    {
        return false;
    }

    foreach (var property in content.Properties)
    {
        if (property.PropertyType.EditorAlias == Perplex.ContentBlocks.Constants.PropertyEditor.Alias &&
            content.Value<IContentBlocks>(property.Alias) is IContentBlocks contentBlocks &&
            contentBlocks.Blocks.Any(b => b.Content is DealerLocatorBlock))
        {
            return true;
        }
    }

    return false;
}

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Peter van den Dungen 66 posts 365 karma points

Nov 30, 2022 @ 07:55

0

Thanks Daniël!

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