Phosphorum\Mail\Digest::send PHP Method

    public function send()
    {
        $lastMonths = new \DateTime();
        $lastMonths->modify('-6 month');
        $parameters = ['modified_at >= ?0 AND digest = "Y" AND notifications <> "N"', 'bind' => [$lastMonths->getTimestamp()]];
        $users = [];
        foreach (Users::find($parameters) as $user) {
            if ($user->email && strpos($user->email, '@') !== false && strpos($user->email, '@users.noreply.github.com') === false) {
                $users[trim($user->email)] = $user->name;
            }
        }
        $view = new View();
        $view->setViewsDir($this->config->application->viewsDir);
        $fromName = $this->config->mail->fromName;
        $fromEmail = $this->config->mail->fromEmail;
        $url = rtrim($this->config->site->url, '/');
        $subject = sprintf('Top Stories from Phosphorum %s', date('d/m/y'));
        $view->setVar('title', $subject);
        $lastWeek = new \DateTime();
        $lastWeek->modify('-1 week');
        $order = 'number_views + ' . '((IF(votes_up IS NOT NULL, votes_up, 0) - ' . 'IF(votes_down IS NOT NULL, votes_down, 0)) * 4) + ' . 'number_replies + IF(accepted_answer = "Y", 10, 0) DESC';
        $parameters = ['created_at >= ?0 AND deleted != 1 AND categories_id <> 4', 'bind' => [$lastWeek->getTimestamp()], 'order' => $order, 'limit' => 10];
        $e = $this->escaper;
        /** @var \Phalcon\Logger\AdapterInterface $logger */
        $logger = $this->getDI()->get('logger', ['mail']);
        $stories = [];
        foreach (Posts::find($parameters) as $i => $post) {
            $user = $post->user;
            if ($user == false) {
                continue;
            }
            $this->gravatar->setSize(32);
            $stories[$i]['user_name'] = $user->name;
            $stories[$i]['user_avatar'] = $this->gravatar->getAvatar($user->email);
            $stories[$i]['user_url'] = "{$url}/user/{$user->id}/{$user->login}";
            $stories[$i]['user_karma'] = $user->getHumanKarma();
            $stories[$i]['post_title'] = $e->escapeHtml($post->title);
            $stories[$i]['post_created'] = $post->getHumanCreatedAt();
            $stories[$i]['post_replies'] = (int) $post->number_replies;
            $stories[$i]['post_views'] = (int) $post->number_views;
            $stories[$i]['post_votes'] = $post->votes_up - $post->votes_down;
            $stories[$i]['post_content'] = $this->markdown->render($e->escapeHtml($post->content));
            $stories[$i]['post_url'] = "{$url}/discussion/{$post->id}/{$post->slug}";
        }
        if (empty($stories)) {
            return;
        }
        $view->setVar('stories', $stories);
        $view->setVar('notice', sprintf('This email was sent by %s mail sender. Change your e-mail preferences <a href="%s/settings">here</a>', $this->config->site->name, $url));
        $content = $view->render('mail/digest.phtml');
        $textContent = preg_replace('#<a[^>]+href="([^"]+)"[^>]*>([^<]+)<\\/a>#', '$2:' . "\n" . '$1', $content);
        $textContent = str_replace('<span class="foot-line"></span>', "--\n", $textContent);
        $textContent = trim(strip_tags($textContent));
        $textContent = str_replace('&nbsp;', ' ', $textContent);
        $textContent = preg_replace('#\\t+#', '', $textContent);
        $textContent = preg_replace('# {2,}#', ' ', $textContent);
        $textContent = preg_split('#(\\r|\\n)#', $textContent);
        $textContent = join("\n\n", array_filter($textContent, function ($line) {
            return '' !== trim($line);
        }));
        $textContent = preg_replace('#^[ \\t]+#m', '', $textContent);
        foreach ($users as $email => $name) {
            try {
                $message = new \Swift_Message("[{$this->config->site->name} Forum] " . $subject);
                $message->setTo([$email => $name]);
                $message->setFrom([$fromEmail => $fromName]);
                $bodyMessage = new \Swift_MimePart($content, 'text/html');
                $bodyMessage->setCharset('UTF-8');
                $message->attach($bodyMessage);
                $bodyMessage = new \Swift_MimePart($textContent, 'text/plain');
                $bodyMessage->setCharset('UTF-8');
                $message->attach($bodyMessage);
                if (!$this->transport) {
                    $this->transport = \Swift_SmtpTransport::newInstance($this->config->smtp->host, $this->config->smtp->port, $this->config->smtp->security);
                    $this->transport->setUsername($this->config->smtp->username);
                    $this->transport->setPassword($this->config->smtp->password);
                }
                if (!$this->mailer) {
                    $this->mailer = \Swift_Mailer::newInstance($this->transport);
                }
                $failedRecipients = [];
                $this->mailer->send($message, $failedRecipients);
                if (empty($failedRecipients)) {
                    $logger->info("Sent an email to {$email}");
                } else {
                    $logger->error("Unable to sent an email to " . join(', ', $failedRecipients));
                }
            } catch (\Exception $e) {
                $logger->error($e->getMessage());
                throw new \Exception($e->getMessage(), $e->getCode(), $e);
            }
        }
    }

 public function run()
 {
     $digest = new Digest();
     $digest->send();
 }