WPUInstaller/inc/blocks/base_blocks.php

<?php
/*
Plugin Name: [wpuprojectname] Blocks
Description: Add project blocks
*/

/* ----------------------------------------------------------
  Master ACF location
---------------------------------------------------------- */

function wpuprojectid_get_master_location($args = array()) {
    if (!$args) {
        $args = array();
    }

    $args = wp_parse_args($args, array(
        'load_locations_with_content_only' => false,
        'load_locations_with_masterheader_only' => false
    ));

    $acf_location = array();
    $home_ids = array(get_option('home__page_id'));
    if (function_exists('pll_get_post_translations')) {
        $home_ids_tr = pll_get_post_translations($home_ids[0]);
        if ($home_ids_tr) {
            $home_ids = $home_ids_tr;
        }
    }
    foreach ($home_ids as $home_id) {
        $acf_location[] = array(
            array(
                'param' => 'post',
                'operator' => '==',
                'value' => $home_id
            )
        );
    }

    /* All pages without a template */
    $acf_location[] = array(
        array(
            'param' => 'page_template',
            'operator' => '==',
            'value' => 'default'
        )
    );

    $post_types = apply_filters('wpuprojectid_master_post_types', array('post'));
    $post_types_master_header = apply_filters('videlio_master_post_types_master_header', array());
    $taxonomies = apply_filters('wpuprojectid_master_taxonomies', array('category'));
    if ($args['load_locations_with_masterheader_only']) {
        foreach ($post_types as $post_type) {
            if ($post_type == 'post') {
                continue;
            }
            $acf_location[] = array(
                array(
                    'param' => 'post_type_list',
                    'operator' => '==',
                    'value' => $post_type
                )
            );
        }
        foreach ($post_types_master_header as $post_type_master_header) {
            if ($post_type_master_header == 'post') {
                continue;
            }
            $acf_location[] = array(
                array(
                    'param' => 'post_type',
                    'operator' => '==',
                    'value' => $post_type_master_header
                )
            );
        }
        foreach ($taxonomies as $taxonomy) {
            $acf_location[] = array(
                array(
                    'param' => 'taxonomy',
                    'operator' => '==',
                    'value' => $taxonomy
                )
            );
        }
    }

    if ($args['load_locations_with_content_only']) {
        foreach ($post_types as $post_type) {
            $acf_location[] = array(
                array(
                    'param' => 'post_type',
                    'operator' => '==',
                    'value' => $post_type
                )
            );
        }
    }

    $acf_location = apply_filters('wpuprojectid_master_header_acf_location', $acf_location, $args);

    return $acf_location;
}

/* ----------------------------------------------------------
  Global layouts
---------------------------------------------------------- */

add_filter('wpu_acf_flexible_content', function ($contents) {

    $all_layouts = apply_filters('wpuprojectid_blocks', array());

    /* Page */
    $contents['content-blocks'] = array(
        'init_files' => (wp_get_environment_type() == 'local'),
        'save_post' => 1,
        'location' => wpuprojectid_get_master_location(array(
            'load_locations_with_content_only' => true,
            'load_locations_with_masterheader_only' => false
        )),
        'name' => 'Master Blocks',
        'layouts' => $all_layouts
    );

    return $contents;
}, 12, 1);

/* Layouts on subfiles
add_filter('wpuprojectid_blocks', function ($layouts) {
    $layouts['home-slider-top'] = array(
        'label' => 'Slider Top',
        'sub_fields' => array(
            'test' => array(
                'label' => 'Test'
            )
        )
    );
    return $layouts;
}, 10, 1);
*/

/* ----------------------------------------------------------
  Thumbnails
---------------------------------------------------------- */

// add_filter('wpu_acf_flexible__enable_thumbnails', '__return_true', 10, 1);

/* ----------------------------------------------------------
  Reusable blocks
---------------------------------------------------------- */

// add_filter('wpu_acf_flexible__enable_reusable_blocks', '__return_true', 10, 1);

/* ----------------------------------------------------------
  Default loaded blocks
---------------------------------------------------------- */

add_filter('acf/load_value/name=content-blocks', function ($value, $post_id, $field) {
    if ($value !== NULL) {
        return $value;
    }
    $value = array(
        array(
            'acf_fc_layout' => 'content'
        )
    );
    return $value;
}, 10, 3);

/* ----------------------------------------------------------
  Set default image
---------------------------------------------------------- */

add_action('save_post', function ($post_id) {
    if (!function_exists('get_field')) {
        return;
    }
    if (wp_is_post_revision($post_id)) {
        return;
    }
    $post_thumbnail = get_post_meta($post_id, '_thumbnail_id', true);
    if (!empty($post_thumbnail)) {
        return;
    }
    $master_header_image = get_field('master_header_image', $post_id);
    if (!$master_header_image) {
        return;
    }
    if (is_array($master_header_image)) {
        if (isset($master_header_image['image']) && is_numeric($master_header_image['image'])) {
            $master_header_image = $master_header_image['image'];
        }
    }
    if (!is_numeric($master_header_image)) {
        return;
    }
    update_post_meta($post_id, '_thumbnail_id', $master_header_image);
}, 99);

/* ----------------------------------------------------------
  Default themes
---------------------------------------------------------- */

/* Button
-------------------------- */

add_filter('get_wpu_acf_link_classname', function ($classname) {
    if ($classname == '') {
        $classname = 'wpuprojectid-button';
    }
    return $classname;
}, 10, 1);

/* Title
-------------------------- */

add_filter('get_wpu_acf__title__html', function ($title, $_title, $field_name) {
    return wpuprojectid_title($_title);
}, 10, 3);