user_login;
} else {
return $_COOKIE['comment_author_' . COOKIEHASH];
}
}
function rate_user_is_known() {
return is_user_logged_in() || !empty($_COOKIE['comment_author_' . COOKIEHASH]);
}
function rate_calculate($id = 0) {
global $wpdb;
$url = get_permalink();
$coerced_id = (int) $id > 0 ? $id : get_the_id();
$previous_id = 0;
$is_comment = (int) $id > 0;
if ($is_comment) {
$c = $GLOBALS['comment'];
$rating = (int) $c->comment_karma;
$previous_id = (int) $c->comment_ID;
} else {
$rating = $wpdb->get_var(
$wpdb->prepare("SELECT AVG(comment_karma) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_karma > 0",
$coerced_id));
}
$rating = (float) number_format($rating, 1, '.', '');
if ($rating === 0.0) {
$coerced_rating = 0.0;
} else if (($rating * 10) % 5 !== 0) {
$coerced_rating = round($rating * 2.0, 0) / 2.0;
} else {
$coerced_rating = $rating;
}
$stars = array(0,1,2,3,4,5,6);
$classes = array('rating');
$format = '';
for ($i = 1; $i <= 5; $i++) {
if ($i <= $coerced_rating) {
$stars[$i] = sprintf($format, 'whole');
} else if ($i - 0.5 === $coerced_rating) {
$stars[$i] = sprintf($format, 'half');
} else {
$stars[$i] = sprintf($format, 'empty');
}
}
$usermeta = array();
if (rate_user_is_known()) {
if ($is_comment && ((int) $rating === 0 || ($c->comment_author === rate_current_user()))) {
$classes[] = 'needs-rating';
}
$usermeta[] = sprintf('data-id="%d"', $coerced_id);
if ($previous_id > 0) {
$usermeta[] = sprintf('data-comment-id="%d"', $previous_id);
}
}
$stars[0] = sprintf('', $rating, implode(' ', $classes), implode(' ', $usermeta));
$stars[6] = '
';
return implode('', $stars);
}
function rate_save_karma($id) {
global $wpdb;
if (isset($_POST['comment_karma'])) {
$wpdb->update($wpdb->comments,
array('comment_karma' => (int) $_POST['comment_karma']),
array('comment_ID' => $id)
);
}
}
add_action('comment_post', 'rate_save_karma');
function rate_form_filter($content) {
$star = '';
$parts = array('');
echo implode('', $parts);
}
add_action('comment_form_top', 'rate_form_filter');
function rate_item_callback() {
global $wpdb;
$comment_ID = (int) $_POST['comment_ID'];
$comment_post_ID = (int) $_POST['comment_post_ID'];
$comment_karma = (int) $_POST['rating'];
if (is_user_logged_in()) {
$user = wp_get_current_user();
$user->display_name = $user->user_login;
$comment_author = $wpdb->escape($user->display_name);
$comment_author_email = $wpdb->escape($user->user_email);
$comment_author_url = $wpdb->escape($user->user_url);
} else {
$comment_author = $wpdb->escape($_COOKIE['comment_author_' . COOKIEHASH]);
$comment_author_email = $wpdb->escape($_COOKIE['comment_author_email_' . COOKIEHASH]);
$comment_author_url = $wpdb->escape( $_COOKIE['comment_author_url_' . COOKIEHASH]);
}
if (empty($comment_author) || empty($comment_author_email)) {
die('I don\'t know who you are!');
}
$comment_approved = 1;
$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_karma', 'comment_approved');
if ($comment_ID > 0) {
$response = $wpdb->update($wpdb->comments, $commentdata, array('comment_ID' => $comment_ID));
} else {
$response = $wpdb->insert($wpdb->comments, $commentdata);
}
echo $response;
exit();
}
add_action('wp_ajax_nopriv_rate_item', 'rate_item_callback');
add_action('wp_ajax_rate_item', 'rate_item_callback');
function the_rating() {
echo rate_calculate();
}
function the_comment_rating() {
$c = $GLOBALS['comment'];
echo rate_calculate($c->comment_post_ID);
}
function rate_styles() {
if (is_file(STYLESHEETPATH . '/rate.css')) {
wp_enqueue_style('user-rate', get_bloginfo('stylesheet_directory') . '/rate.css');
} else {
wp_enqueue_style('rate', WP_PLUGIN_URL . '/rate/css/rate.css');
}
}
add_action('wp_print_styles', 'rate_styles');
function rate_scripts() {
wp_enqueue_script('rate', WP_PLUGIN_URL . '/rate/js/rate.js');
}
add_action('wp_print_scripts', 'rate_scripts');
?>