EmailService.php

<?php

namespace StudentApp\Services\Email;

abstract class EmailService
{
    protected $emailService;
    protected $template;
    protected $logger;

    public function __construct(\Mandrill $emailService, \MongoLog $logger)
    {
        $this->emailService = $emailService;
        $this->logger = $logger;
    }

    public abstract function setHTMLTemplate($templatePath);

    public function send($subject, $toEmail, $toName, $fromEmail, $fromName)
    {
        $message = [
            'html' => $this->template,
            'subject' => $subject,
            'from_email' => $fromEmail,
            'from_name' => $fromName,
            'to' => [
                [
                    'email' => $toEmail,
                    'name' => $toName,
                    'type' => 'to'
                ]
            ],
            'important' => true,
            'auto_text' => true,
        ];

        try {
            $result = $this->emailService->messages->send($message)[0];
        } catch(\Mandrill_Error $e) {
            $this->logger->addCritical("Error sending email in {$e->getFile()}: {$e->getMessage()}");
            return false;
        } catch(\Exception $e) {
            $this->logger->addCritical("Uncaught exception in {$e->getFile()}: {$e->getMessage()}");
            return false;
        }

        if(empty($result['status']) || $result['status'] != 'sent')
        {
            $this->logger->addCritical("Mandrill response status empty or not 'sent'");
            return false;
        }

        return true;
    }
}