Add [past_applications] ShortCode to BuddyPress Job Manager

function.php

function setup_past_application_nav() {
	global $bp;

	if ( ! class_exists( 'WP_Job_Manager' ) )
			return;
	if ( ! class_exists( 'BP_Job_Manager' ) )
			return;
	if ( ! class_exists( 'WP_Job_Manager_Applications' ) )
			return;

	$slug  		 = bp_get_job_manager_slug();
	$is_employer = bjm_is_employer();

	// Determine user to use
	if ( bp_displayed_user_domain() ) {
		$user_domain = bp_displayed_user_domain();
	} elseif ( bp_loggedin_user_domain() ) {
		$user_domain = bp_loggedin_user_domain();
	} else {
		return;
	}

	$job_manager_link = trailingslashit( $user_domain . $slug );

	// Add Past Application nav item.
	if ( get_current_user_id() == bp_displayed_user_id() ) {
		bp_core_new_subnav_item( array(
		    'name' => __( 'Past Application', 'buddypress' ),
		    'slug' => 'past-application',
		    'parent_url'      => $job_manager_link,
			'parent_slug'     => $slug,
		    'screen_function' => 'bp_wp_job_manager_screen_past_application',
		    'position'        => 90,
			'user_has_access' => bp_core_can_edit_settings()
  		) );
	}
}

add_action( 'bp_setup_nav', 'setup_past_application_nav');


/**
 * Show the job_dashboard Job Manager template
 *
 * @since Job Manager (1.0.0)
 */
function bp_wp_job_manager_screen_past_application() {

	if ( bp_action_variables() ) {
		bp_do_404();
		return;
	}

	bp_core_load_template( apply_filters( 'bp_wp_job_manager_screen_past_application', 'members/single/home' ) );
	add_action('bp_template_content','load_past_application_template');
}

function load_past_application_template() {
    // include  file or echo do_shortcode @todo
	//add_filter( 'job_manager_get_dashboard_jobs_args', 'function_to_change_dashboard_jobs_args', 10, 1 );
	echo do_shortcode( '[past_applications]' );
	//remove_filter( 'job_manager_get_dashboard_jobs_args', 'function_to_change_dashboard_jobs_args', 10, 1 );
}



add_action('bp_setup_admin_bar', 'setup_past_application_admin_bar',301);

function setup_past_application_admin_bar() {
	global $wp_admin_bar, $bp;
 
  	if ( !bp_use_wp_admin_bar() || defined( 'DOING_AJAX' ) )
    	return;

	if ( ! class_exists( 'WP_Job_Manager' ) )
			return;
	if ( ! class_exists( 'BP_Job_Manager' ) )
			return;
	if ( ! class_exists( 'WP_Job_Manager_Applications' ) )
			return;

	$slug  		 = bp_get_job_manager_slug();

	// Determine user to use
	if ( bp_displayed_user_domain() ) {
		$user_domain = bp_displayed_user_domain();
	} elseif ( bp_loggedin_user_domain() ) {
		$user_domain = bp_loggedin_user_domain();
	} else {
		return;
	}

	$job_manager_link = trailingslashit( $user_domain . $slug );

	// Add Past Application nav item.
	if ( get_current_user_id() == bp_displayed_user_id() ) {
	  // add submenu item
	  $wp_admin_bar->add_menu( array(
	    'parent' => 'my-account-job-manager',
	    'id'     => 'my-account-job-manager-past-application',
	    'title' => __( 'Past Application', 'buddypress' ),
	    'href'   => trailingslashit( $job_manager_link ) . 'past-application'
	  ) );
	}
}