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  • May 24, 2023 at 3:44 pm #1408433
    stmichel2

    Hi,
    i need help with the element “Blog Posts”, i want to display posts that are assigned to category1 AND category2.

    If the post is in category1 and not in category2 then don´t display the post.
    If the post is not in category1 and in category2 then don´t display the post.
    If the post is in category1 and in category2 then display the post.

    If i configure “Select Entries” in the Blog Posts element with “Display blog posts” and select the two categories the page shows posts from category1 OR/AND category2, but i need only the posts that in category1 AND category2.

    The Filter > Offset Number > Do not allow duplicate post on the entire page (set offset automatically) don´t help me.

    How is it possible to display posts that are assigned to two categories?
    :-)

    • This topic was modified 1 year, 6 months ago by stmichel2.
    May 27, 2023 at 3:34 am #1408740
    Nikko

    Hi stmichel2,

    I’m not sure if I fully understand, can you give us more context? also please give us a link on the page mentioned.

    Best regards,
    Nikko

    May 27, 2023 at 5:17 am #1408748
    Guenni007

    i guess he wants to show only posts that are in category a and b – The intersection of the two categories –
    only posts that are inside both categories ( a && b)

    maybe there could be a filter solution in future releases to have a logical relation between the “link” f.e. in:
    av_blog blog_type='taxonomy' link='category,4,7' … this is a multiple selection of two categories but relation is on default an “OR” – maybe a checkbox at that element or as mentioned a filter solution will force an “AND” relation.

    May 29, 2023 at 1:15 am #1408913
    Nikko

    Hi stmichel2,


    @Guenni007     thanks for the explanation.

    I think we can use this filter avia_blog_post_query for it. Here’s the code:

    add_filter('avia_blog_post_query', 'modify_blog_post_query', 10, 2);
function modify_blog_post_query($query, $params) {
    if ($params['taxonomy'] === 'category' && is_page(10)) {
        $terms = array(13, 14);
        $query['tax_query'] = array(
            array(
                'taxonomy'  => 'category',
                'field'     => 'id',
                'terms'     => $terms,
                'operator'  => 'AND' // Include posts in both categories
            )
        );
    }
    return $query;
}

    just change is_page(10) to the id of the page you want to show and $terms = array(13, 14); replace 13 and 14 to your category.
    The code works for any Blog Style except for Grid Layout

    Best regards,
    Nikko

    May 29, 2023 at 8:50 am #1408916
    Guenni007

    Thank you – this works wonderfully – however as you already write not for Gridlayout.

    And especially in this context a grid layout would be exactly what is often desired.
    So maybe Günter can find in future releases the option to have :

    ( and on all other elements that have the option to choose Which Entries are displayed? – Select which entries should be displayed by selecting a taxonomy )

    May 29, 2023 at 9:20 am #1408917
    Nikko

    Hi Guenni007,

    Thanks for your input.
    I have forwarded your request to Günter.

    Best regards,
    Nikko

    July 12, 2023 at 4:55 pm #1413153
    Günter

    Hi!

    FYI: In 5.6.4 there will be an option: “Multiple Categories/Terms Relation” in various elements.

    See https://kriesi.at/support/topic/enfold-upcoming-fixes/

    Best regards,
    Günter

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