Hide CommentPress Comments

no-public-comments.php

<?php
/*
Plugin Name: Hide CommentPress Comments
Description: Hides comments and comment form from users who are not logged in
Author: Christian Wach
Version: 1.0
*/

add_filter( 'commentpress_reply_to_para_link_text', 'my_override_reply_to_text', 10, 2 );
function my_override_reply_to_text( $link_text, $paragraph_text ) {
	if ( ! is_user_logged_in() ) {
		$link_text = 'Create an account to view and leave comments';
	}
	return $link_text;
}

add_filter( 'commentpress_reply_to_para_link_href', 'my_override_reply_to_href', 10, 1 );
function my_override_reply_to_href( $href ) {
	if ( ! is_user_logged_in() ) {
		$href = '/your-login-page-url';
	}
	return $href;
}

add_filter( 'commentpress_reply_to_para_link_onclick', 'my_override_reply_to_onclick', 10, 1 );
function my_override_reply_to_onclick( $onclick ) {
	if ( ! is_user_logged_in() ) {
		$onclick = '';
	}
	return $onclick;
}

add_filter( 'wp_list_comments_args', 'my_wp_list_comments_args', 10, 1 );
function my_wp_list_comments_args( $r ) {
	if ( ! is_user_logged_in() ) {
		$r['echo'] = false;
	}
	return $r;
}

add_filter( 'commentpress_show_comment_form', 'my_show_comment_form', 10, 1 );
function my_show_comment_form( $show ) {
	if ( ! is_user_logged_in() ) {
		$show = false;
	}
	return $show;
}

add_filter( 'cp_override_tinymce', 'my_disable_tinymce', 10, 1 );
function my_disable_tinymce( $tinymce ) {
	if ( ! is_user_logged_in() ) {
		$tinymce = 0;
	}
	return $tinymce;
}

add_action( 'pre_get_comments', 'my_filter_comments', 10, 1 );
function my_filter_comments( $comments ) {
	if ( ! is_user_logged_in() ) {
		// filter comments by an impossible user ID
		$comments->query_vars['user_id'] = -1;
	}
	return $comments;
}