presscodes/maera

<?php

function maera_templates_hierarchy( $templates = array() ) {

    if ( ! isset( $templates ) ) {
        $templates = array();
    }

    if ( ! empty( $templates ) && ! is_array( $templates ) ) {
        $templates = explode( ',', $templates );
        $templates = array_map( 'trim', $templates );
    }

    // Home templates
    if ( is_front_page() ) {
        $templates[] = 'front-page.twig';

        // Check if we're displaying a static page on the front.
        if ( 'page' == get_option( 'show_on_front' ) ) {
            if ( is_page() ) {

                $post = new TimberPost();

                $templates[] = 'page-' . $post->slug . '.twig';
                $templates[] = 'page-' . $post->ID . '.twig';
                $templates[] = 'page.twig';

            }
        }

    }

    if ( is_home() ) {
        $templates[] = 'home.twig';
    }

    // The 404 template
    if ( is_404() ) {
        $templates[] = '404.twig';
    }

    // Page templates
    if ( is_page() ) {

        $post = new TimberPost();

        $templates[] = 'page-' . $post->post_name . '.twig';
        $templates[] = 'page-' . $post->slug . '.twig';
        $templates[] = 'page-' . $post->ID . '.twig';
        $templates[] = 'page.twig';

    }

    // Attachment templates
    if ( is_attachment() ) {
        $post = new TimberPost();

        $templates[] = 'attachment-' . $post->ID . '.twig';
        $templates[] = 'attachment-' . $post->post_type . '.twig';
        $templates[] = 'attachment.twig';
    }

     // Singular templates
    if ( is_single() || is_singular( get_post_type() ) ) {

        $post = new TimberPost();

        $templates[] = 'single-' . $post->ID . '.twig';
        $templates[] = 'single-' . $post->post_type . '.twig';
        $templates[] = 'single.twig';

    }

     // Search templates
    if ( is_search() ) {
        $templates[] = 'search.twig';
    }

    // Category templates
    if ( is_category() ) {

        $cat = get_category( get_query_var( 'cat' ) );
        $cat_id = $cat->cat_ID;
        $cat_slug = $cat->slug;

        $templates[] = 'category-' . $cat_slug . '.twig';
        $templates[] = 'category-' . $cat_id . '.twig';
        $templates[] = 'category.twig';

    }
    // Taxonomy templates
    if ( is_tax() ) {

        $term = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );

        $templates[] = 'taxonomy-' . $term->taxonomy . '-' . $term->slug . '.twig';
        $templates[] = 'taxonomy-' . $term->taxonomy . '.twig';
        $templates[] = 'taxonomy.twig';

    }

     // Tag templates
     if ( is_tag() ) {

        $tag = get_term_by( 'slug', get_query_var( 'tag' ), 'post_tag' );
        $tag_id = $tag->term_id;
        $tag_slug = $tag->slug;

        $templates[] = 'tag-' . $tag_slug . '.twig';
        $templates[] = 'tag-' . $tag_id . '.twig';
        $templates[] = 'tag.twig';

    }

    // Date templates
    if ( is_date() ) {
        $templates[] = 'date.twig';
    }

    // Custom post type archive templates
    if ( is_post_type_archive() ) {
        $templates[] = 'archive-' . get_post_type() . '.twig';
    }

     // Get the templates for authors
    if ( is_author() ) {
        $templates[] = 'author-' . get_the_author_meta( 'user_nicename' ) . '.twig';
        $templates[] = 'author-' . get_the_author_meta( 'ID' ) . '.twig';
        $templates[] = 'author.twig';
    }

    // archives
    if ( is_archive() ) {
        $templates[] = 'archive.twig';
    }

    $templates[] = 'index.twig';

    return $templates;

}
add_filter( 'maera/templates', 'maera_templates_hierarchy' );

/**
 * Get the templates for sidebars
 */
function maera_templates_sidebar() {

    global $wp_query;
    $templates = array();

    if ( is_singular() ) {

        /**
         * Use post-specific sidebars per-post or post-type:
         *     sidebar-{post-ID}.twig
         *     sidebar-{post-type}.twig
         *     sidebar-single.twig
         */
        $templates[] = 'sidebar-' . get_the_ID() . '.twig';
        $templates[] = 'sidebar-' . get_post_type() . '.twig';
        $templates[] = 'sidebar-single.twig';

    } else if ( is_category() || is_tag() || is_tax() ) {

        $tax = $wp_query->tax_query->queries[0];


        /**
         * If this is a taxonomy:
         *     Category:
         *         sidebar-category-{term_id}.twig
         *         sidebar-category.twig
         *     Tag:
         *         sidebar-tag-{term_id}.twig
         *         sidebar-tag.twig
         *     Other taxonomies:
         *         sidebar-term-{term_id}.twig
         *         sidebar-taxonomy-{taxonomy}.twig
         *         sidebar-taxonomy.twig
         */
        $taxonomy  = $wp_query->tax_query->queries[0]['taxonomy'];
        $term_slug = $wp_query->tax_query->queries[0]['terms'][0];
        $term      = get_term_by( 'slug', $term_slug, $taxonomy );
        $term_id   = intval( $term->term_id );

        if ( is_category() ) {

            $templates[] = 'sidebar-category' . $term_id . '.twig';
            $templates[] = 'sidebar-category.twig';

        } else if ( is_tax() ) {

            $templates[] = 'sidebar-tag' . $term_id . '.twig';
            $templates[] = 'sidebar-tag.twig';

        } else {

            $templates[] = 'sidebar-term-' . $term_id . '.twig';
            $templates[] = 'sidebar-taxonomy-' . $taxonomy . '.twig';
            $templates[] = 'sidebar-taxonomy.twig';

        }


    } else if ( is_post_type_archive() ) {

        /**
         * If this is a post-type archive:
         *     sidebar-archive-{post_type}.twig
         */
        $post_type_query = $wp_query->query;
        if ( isset( $post_type_query['post_type'] ) ) {
            $templates[] = 'sidebar-' . $wp_query->query['post_type'] . '.twig';
        }

    } else if ( is_date() ) {

        /**
         * If this is a date archive:
         *     sidebar-date.twig
         */
        $templates[] = 'sidebar-date.twig';

    }

    // Fallback to the default sidebar.twig file
    $templates[] = 'sidebar.twig';

    return $templates;

}
add_filter( 'maera/sidebar_template', 'maera_templates_sidebar' );