How to display fields of related posts in a many-to-many relationship

This thread is resolved. Here is a description of the problem and solution.

Problem:
How to display fields of related posts in a many-to-many relationship that are connected by an intermediate post type?

Solution:
To traverse the relationship from one post type, via an intermediate post type, to a second post type, you need to first create a View which returns the intermediate posts that are children of the first post, and then in the Loop Output section of that View use the id attribute on the shortcodes to display fields from the connected posts.

Described more fully below: https://toolset.com/forums/topic/custom-search-results-displaying-content-from-two-cpt-combined-with-intermediary/#post-625181

This support ticket is created 6 years, 8 months ago. There's a good chance that you are reading advice that it now obsolete.

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Tagged: Post-relationship

This topic contains 3 replies, has 3 voices.

Last updated by larryB-3 6 years, 8 months ago.

Assisted by: Nigel.

Author

Posts

March 14, 2018 at 11:21 pm #625112

Ronald E

I have two Custom Post Types. "Member Profile" and "AAIMCo Articles". They both share a custom taxonomy called "Areas of Expertise".

They are setup as parents to a "Writers" Custom Post Type. I use this "Writers" CPT as an Intermediary to combine Member Profiles to the articles they write.

I am doing a custom search of articles using a [wpv-control-post-taxonomy]. I get the "AAIMCo Articles" Post Fields to display in the Loop Output correctly. You can see it working at hidden link

I cannot get the "Member Profile" post fields that are connected via the "Writers" CPT to display however in these search results.

You can see from the screenshot how I have this custom search set up. Seems like it should work? How do I make it work?

thank you for your help.
Ronald E

March 15, 2018 at 8:42 am #625181

Nigel

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Hi Ronald

Your post type structure looks something like this:

Member   Article
   \      /
    \    /
    Writer

Your View shows Articles.

In the output section you can display fields of articles, or using the id attribute you could display fields from posts that are parents of articles. But articles don't have parents. (You should remove the id="$article" from the shortcodes, you are already displaying article fields here.)

If you want to display fields from the member posts you need to traverse the relationship to access them.

So from article you need a View which returns writers that are children of the current article, and then in the output section of that nested View you can use the id="$member" attribute on the shortcodes to display fields from the parent member post.

You use a View to look down, and the id attribute to look up.

Does that make sense?

March 15, 2018 at 10:54 pm #625479

Ronald E

Thank you NIgel. That was the perfect answer!

May 11, 2018 at 2:12 pm #876663

larryB-3

Delete.