EmailService.php

<?php

namespace StudentApp\Services;

class EmailService extends Service
{
    public function sendPasswordResetToken($code, $email, $firstname, $lastname)
    {
        /*
         * Load the HTML from templates file
         */
        $htmlTemplate = file_get_contents($this->ci->get('settings')['passwordReset']['htmlTemplate']);

        /*
         * Replace variables in HTML template
         */
        $htmlTemplate = str_replace('{firstname}', $firstname, $htmlTemplate);
        $htmlTemplate = str_replace('{code}', $code, $htmlTemplate);

        /*
         * Email Subject
         */
        $subject = 'Password reset';

        return $this->send($email, $firstname, $lastname, $subject, $htmlTemplate);
    }

    public function sendEmailVerification($code, $email, $firstname, $lastname)
    {
        /*
         * Load the HTML from templates file
         */
        $htmlTemplate = file_get_contents($this->ci->get('settings')['emailVerification']['htmlTemplate']);

        /*
         * Replace variables in HTML template
         */
        $verifyURL = "{$this->ci->get('settings')['domain']}/verify-email/{$code}";
        $htmlTemplate = str_replace('{firstname}', $firstname, $htmlTemplate);
        $htmlTemplate = str_replace('{url}', $verifyURL, $htmlTemplate);
        
        /*
         * Email Subject
         */
        $subject = 'Verify your account';

        return $this->send($email, $firstname, $lastname, $subject, $htmlTemplate);
    }

    public function send($email, $firstname, $lastname, $subject, $htmlTemplate)
    {
        /*
         * Prepare the email to send
         */
        $message = [
            'html' => $htmlTemplate,
            'subject' => $subject,
            'from_email' => $this->ci->get('settings')['mandrill']['fromEmail'],
            'from_name' => $this->ci->get('settings')['mandrill']['fromName'],
            'to' => [
                [
                    'email' => $email,
                    'name' => "{$firstname} {$lastname}",
                    'type' => 'to'
                ]
            ],
            'important' => true,
        ];

        /*
         * Attempt to send verification email to user
         */
        try
        {
            $result = $this->ci->get('Mandrill')->messages->send($message)[0];
        }
        catch(\Mandrill_Error $e)
        {
            $this->ci->get('Logger')->addCritical('Error sending email verification: ' . $e->getMessage());
            return false;
        }
        catch(\Exception $e)
        {
            $this->ci->get('Logger')->addCritical('Uncaught exception sending email verification: ' . $e->getMessage());
            return false;
        }

        /*
         * Ensure 'status' index is set, and is set to 'send'
         */
        if(empty($result['status']) || $result['status'] != 'sent')
        {
            $this->ci->get('Logger')->addCritical('No data in Mandrill response');
            return false;
        }

        return true;
    }
}