wordpress_role_permission_management

wp_role_permissions_by_cat.php

<?php
/*
This script generate custom editors for specific categories, editors just list, view and publish to specific categories
*/


function create_custom_editor_roles($editor_categories) {
    foreach ($editor_categories as $editor => $category) {
        $role_slug = sanitize_title($editor) . '_editor';
        $role_name = ucwords($editor) . ' Editor';

        add_role(
            $role_slug,
            $role_name,
            array(
                'read'         => true,
                'publish_posts' => true,
            )
        );

        add_custom_capabilities_to_editor($role_slug);
        add_filter_posts_by_category($role_slug, $category);
    }
}

add_action('init', function() {
    $editor_categories = array(
        'editor1' => 'tag1',
        'editor2' => 'tag2',
    );

    create_custom_editor_roles($editor_categories);
});

function add_custom_capabilities_to_editor($role_slug) {
    $role = get_role($role_slug);
    $role->add_cap('edit_posts');
    $role->add_cap('edit_others_posts');
    $role->add_cap('delete_posts');
}

function add_filter_posts_by_category($role_slug, $category) {
    add_action('pre_get_posts', function($query) use ($role_slug, $category) {
        if (is_admin() && current_user_can($role_slug)) {
            if ($query->is_main_query()) {
                $categories = get_terms(array(
                    'taxonomy'    => 'category',
                    'parent'      => get_cat_ID($category),
                    'fields'      => 'ids',
                    'hide_empty'  => false,
                ));

                $query->set('cat', $categories);
                $query->set('post_status', 'pending');
				
            }
        }
    });
}

?>