Filter WP 'Edit Post' link to go to front end /edit-post/ page with ?post_id=123 query arg to allow editing posts via the front end

wp-edit-post-front-end.php

<?php

/**
 * Filter WP 'Edit Post' link to go to front end /edit-post/ page
 * 
 * @author  Mike Hemberger
 * @link    http://thestizmedia.com/front-end-post-editing-with-caldera-forms/
 * @return  string url to front end for with query arg source post ID ( ?post_id=123 )
 */
add_filter( 'get_edit_post_link', 'tsm_edit_post_link', 10, 1 );
function tsm_edit_post_link( $url ) {
    // Bail if user is an admin so links will still go to Dashbaord
    if ( current_user_can('manage_options') ) {
        return $url;
    }
    return esc_url( add_query_arg( 'post_id', get_the_ID(), home_url('/edit-post/') ) );
}