rosetta-forums.php

<?php
function wporg_forums_add_administrator_role( $bbp_roles ) {
	$bbp_roles['wporg_forums_admin'] = array(
		'name'         => __( 'Forums Administrator', 'wporg' ),
		'capabilities' => bbp_get_caps_for_role( 'wporg_forums_admin' )
	);

	return $bbp_roles;
}
add_filter( 'bbp_get_dynamic_roles', 'wporg_forums_add_administrator_role', 1 );

function wporg_forums_get_caps_for_role( $caps, $role ) {
	if ( $role === 'wporg_forums_admin' ) {
		$caps = array(

		//	'keep_gate'             => true,

			// Primary caps
			'spectate'              => true,
			'participate'           => true,
			'moderate'              => true,
			'throttle'              => true,
			'view_trash'            => true,

			// Forum caps
			'publish_forums'        => true,
			'edit_forums'           => true,
			'edit_others_forums'    => true,
			'delete_forums'         => true,
			'delete_others_forums'  => true,
			'read_private_forums'   => true,
			'read_hidden_forums'    => true,

			// Topic caps
			'publish_topics'        => true,
			'edit_topics'           => true,
			'edit_others_topics'    => true,
			'delete_topics'         => true,
			'delete_others_topics'  => true,
			'read_private_topics'   => true,

			// Reply caps
			'publish_replies'       => true,
			'edit_replies'          => true,
			'edit_others_replies'   => true,
			'delete_replies'        => true,
			'delete_others_replies' => true,
			'read_private_replies'  => true,

			// Topic tag caps
			'manage_topic_tags'     => true,
			'edit_topic_tags'       => true,
			'delete_topic_tags'     => true,
			'assign_topic_tags'     => true
		);
	}

	return $caps;
}
add_filter( 'bbp_get_caps_for_role', 'wporg_forums_get_caps_for_role', 10, 2 );