Topic Tag: Post-relationship

Problem: I have 3 custom post types. A is related with B, and A is related with C. I have a view with C information and i want to show also B info that are related to A.

Solution: Depending on the types of post relationships, you may also need a View of post type A.
- If A-C is a one-to-many (O2M) relationship and "A" is the parent, you do not need a View of A in this case.
- If A-C is a O2M relationship and "A" is the child, there can be multiple A's related to each C, so you need a View of A.
- If A-C is a M2M relationship, there can be multiple A's related to each C, so you need a View of A, regardless of which is the parent and which is the child.

Relevant Documentation:
https://toolset.com/course-lesson/displaying-related-posts/
https://toolset.com/course-lesson/what-are-post-relationships-and-how-they-work/
https://toolset.com/course-lesson/many-to-many-post-relationships/

Problem: I have two custom post types - Articles and Authors - connected in a many-to-many (m2m) post relationship. I have created a View of Articles posts, and in the list of Articles I would like to include information about the related Author.

Solution: Any time you want to display information from the "many" side of a post relationship, you'll need a View. Since the relationship between Articles and Authors is a many-to-many relationship, you'll need a nested View structure to display a list of Articles and the related Authors for each Article.

Nested View creation is not directly supported in the Block Editor, so you can use the legacy View editor if necessary. For the inner View, use a post relationship Query Filter configured with the Articles - Authors M2M relationship selected, showing items as related to the current post. You can place the inner View in the loop of the outer View using a wpv-view shortcode.