function build_instance_list_for_email($instances, $max_displayed_links = 5)
{
$result = '';
if (count($instances) > $max_displayed_links) {
$line = sprintf(_n("Here's a list of the first %d broken links:", "Here's a list of the first %d broken links:", $max_displayed_links, 'broken-link-checker'), $max_displayed_links);
} else {
$line = __("Here's a list of the new broken links: ", 'broken-link-checker');
}
$result .= "<p>{$line}</p>";
//Show up to $max_displayed_links broken link instances right in the email.
$displayed = 0;
foreach ($instances as $instance) {
/* @var blcLinkInstance $instance */
$pieces = array(sprintf(__('Link text : %s', 'broken-link-checker'), $instance->ui_get_link_text('email')), sprintf(__('Link URL : <a href="%s">%s</a>', 'broken-link-checker'), htmlentities($instance->get_url()), blcUtility::truncate($instance->get_url(), 70, '')), sprintf(__('Source : %s', 'broken-link-checker'), $instance->ui_get_source('email')));
$link_entry = implode("<br>", $pieces);
$result .= "{$link_entry}<br><br>";
$displayed++;
if ($displayed >= $max_displayed_links) {
break;
}
}
//Add a link to the "Broken Links" tab.
$result .= __("You can see all broken links here:", 'broken-link-checker') . "<br>";
$result .= sprintf('<a href="%1$s">%1$s</a>', admin_url('tools.php?page=view-broken-links'));
return $result;
}
function ui_get_source_comment($container, $container_field = '')
{
//Display a comment icon.
if ($container_field == 'comment_author_url') {
$image = 'font-awesome/font-awesome-user.png';
} else {
$image = 'font-awesome/font-awesome-comment-alt.png';
}
$comment = $container->get_wrapped_object();
//Display a small text sample from the comment
$text_sample = strip_tags($comment->comment_content);
$text_sample = blcUtility::truncate($text_sample, 65);
return array('image' => $image, 'text_sample' => $text_sample, 'comment_author' => esc_attr($comment->comment_author), 'comment_id' => esc_attr($comment->comment_ID), 'comment_status' => wp_get_comment_status($comment->comment_ID), 'container_post_title' => get_the_title($comment->comment_post_ID), 'container_post_status' => get_post_status($comment->comment_post_ID), 'container_post_ID' => $comment->comment_post_ID);
}
function ui_get_source($container_field = '', $context = 'display')
{
//Display a comment icon.
if ($container_field == 'comment_author_url') {
$image = 'font-awesome/font-awesome-user.png';
} else {
$image = 'font-awesome/font-awesome-comment-alt.png';
}
$image = sprintf('<img src="%s/broken-link-checker/images/%s" class="blc-small-image" title="%3$s" alt="%3$s"> ', WP_PLUGIN_URL, $image, __('Comment', 'broken-link-checker'));
$comment = $this->get_wrapped_object();
//Display a small text sample from the comment
$text_sample = strip_tags($comment->comment_content);
$text_sample = blcUtility::truncate($text_sample, 65);
$html = sprintf('<a href="%s" title="%s"><b>%s</b> — %s</a>', $this->get_edit_url(), esc_attr__('Edit comment'), esc_attr($comment->comment_author), $text_sample);
//Don't show the image in email notifications.
if ($context != 'email') {
$html = $image . $html;
}
return $html;
}
function send_email_notifications()
{
global $wpdb;
//Find links that have been detected as broken since the last sent notification.
$last_notification = date('Y-m-d H:i:s', $this->conf->options['last_notification_sent']);
$where = $wpdb->prepare('( first_failure >= %s )', $last_notification);
$links = blc_get_links(array('s_filter' => 'broken', 'where_expr' => $where, 'load_instances' => true, 'max_results' => 0));
if (empty($links)) {
return;
}
$cnt = count($links);
//Prepare email message
$subject = sprintf(__("[%s] Broken links detected", 'broken-link-checker'), html_entity_decode(get_option('blogname'), ENT_QUOTES));
$body = sprintf(_n("Broken Link Checker has detected %d new broken link on your site.", "Broken Link Checker has detected %d new broken links on your site.", $cnt, 'broken-link-checker'), $cnt);
$body .= "<br>";
$max_displayed_links = 5;
if ($cnt > $max_displayed_links) {
$line = sprintf(_n("Here's a list of the first %d broken links:", "Here's a list of the first %d broken links:", $max_displayed_links, 'broken-link-checker'), $max_displayed_links);
} else {
$line = __("Here's a list of the new broken links: ", 'broken-link-checker');
}
$body .= "<p>{$line}</p>";
//Show up to $max_displayed_links broken link instances right in the email.
$displayed = 0;
foreach ($links as $link) {
$instances = $link->get_instances();
foreach ($instances as $instance) {
$pieces = array(sprintf(__('Link text : %s', 'broken-link-checker'), $instance->ui_get_link_text('email')), sprintf(__('Link URL : <a href="%s">%s</a>', 'broken-link-checker'), htmlentities($link->url), blcUtility::truncate($link->url, 70, '')), sprintf(__('Source : %s', 'broken-link-checker'), $instance->ui_get_source('email')));
$link_entry = implode("<br>", $pieces);
$body .= "{$link_entry}<br><br>";
$displayed++;
if ($displayed >= $max_displayed_links) {
break 2;
//Exit both foreach loops
}
}
}
//Add a link to the "Broken Links" tab.
$body .= __("You can see all broken links here:", 'broken-link-checker') . "<br>";
$link_page = admin_url('tools.php?page=view-broken-links');
$body .= sprintf('<a href="%1$s">%1$s</a>', $link_page);
//Need to override the default 'text/plain' content type to send a HTML email.
add_filter('wp_mail_content_type', array(&$this, 'override_mail_content_type'));
//Send the notification
$rez = wp_mail(get_option('admin_email'), $subject, $body);
if ($rez) {
$this->conf->options['last_notification_sent'] = time();
$this->conf->save_options();
}
//Remove the override so that it doesn't interfere with other plugins that might
//want to send normal plaintext emails.
remove_filter('wp_mail_content_type', array(&$this, 'override_mail_content_type'));
}
