Coconuts\Mail\PostmarkTransport

Complexity

Total Complexity

10

Size/Duplication

Total Lines	153
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	5

Test Coverage

Coverage

100%

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	send()	0	10	1
A	getAttachments()	0	16	2
A	getContacts()	0	9	2
A	getFrom()	0	9	2
B	payload()	0	28	2

<?php

namespace Coconuts\Mail;

use Swift_Mime_Message;
use GuzzleHttp\ClientInterface;
use Illuminate\Mail\Transport\Transport;

class PostmarkTransport extends Transport
{
    /**
     * Guzzle client instance.
     *
     * @var \GuzzleHttp\ClientInterface
     */
    protected $client;

    /**
     * The Postmark API key.
     *
     * @var string
     */
    protected $key;

    /**
     * The Postmark API end-point.
     *
     * @var string
     */
    protected $url = 'https://api.postmarkapp.com/email';

    /**
     * Create a new Postmark transport instance.
     *
     * @param \GuzzleHttp\ClientInterface $client
     * @param string $key
     *
     * @return void
     */
    public function __construct(ClientInterface $client, $key)
    {
        $this->key = $key;
        $this->client = $client;
    }

    /**
     * Send the given Message.
     *
     * Recipient/sender data will be retrieved from the Message API.
     * The return value is the number of recipients who were accepted for delivery.
     *
     * @param Swift_Mime_Message $message
     * @param string[] $failedRecipients An array of failures by-reference
     *
     * @return int
     */
    public function send(Swift_Mime_Message $message, &$failedRecipients = null)
    {
        $this->beforeSendPerformed($message);

        $this->client->post($this->url, $this->payload($message));

        $this->sendPerformed($message);

        return $this->numberOfRecipients($message);
    }

    /**
     * Get all attachments for the given message.
     *
     * @param \Swift_Mime_Message $message
     *
     * @return array
     */
    protected function getAttachments(Swift_Mime_Message $message)
    {
        $attachments = [];

        $children = $message->getChildren();

        foreach ($children as $child) {
            $attachments[] = [
                'Name' => $child->getFilename(),

It seems like you code against a concrete implementation and not the interface Swift_Mime_MimeEntity as the method getFilename() does only exist in the following implementations of said interface: Swift_Attachment, Swift_EmbeddedFile, Swift_Image, Swift_Mime_Attachment, Swift_Mime_EmbeddedFile.

                'Content' => base64_encode($child->getBody()),
                'ContentType' => $child->getContentType(),
            ];
        }

        return $attachments;
    }

    /**
     * Format the contacts for the API request
     *
     * @param array $contacts
     *
     * @return string
     */
    protected function getContacts($contacts)
    {
        return collect($contacts)
            ->map(function ($display, $address) {
                return $display ? $display . " <{$address}>" : $address;
            })
            ->values()
            ->implode(',');
    }

    /**
     * Get the "From" payload field for the API request.
     *
     * @param \Swift_Mime_Message $message
     *
     * @return string
     */
    protected function getFrom(Swift_Mime_Message $message)
    {
        return collect($message->getFrom())
            ->map(function ($display, $address) {
                return $display ? $display . " <$address>" : $address;
            })
            ->values()
            ->implode(',');
    }

    /**
     * Get the HTTP payload for sending the Postmark message.
     *
     * @param \Swift_Mime_Message $message
     *
     * @return array
     */
    protected function payload(Swift_Mime_Message $message)
    {
        $headers = $message->getHeaders();

        $to = $this->getContacts($message->getTo());
        $cc = $this->getContacts($message->getCc());
        $bcc = $this->getContacts($message->getBcc());
        $replyTo = $this->getContacts($message->getReplyTo());
        $attachments = $this->getAttachments($message);

        return [
            'headers' => [
                'Accept' => 'application/json',
                'X-Postmark-Server-Token' => $this->key,
            ],
            'json' => [
                'From' => $this->getFrom($message),
                'To' => $to,
                'Cc' => $cc,
                'Bcc' => $bcc,
                'Tag' => $headers->has('tag') ? $headers->get('tag')->getFieldBody() : '',
                'Subject' => $message->getSubject(),
                'HtmlBody' => $message->getBody(),
                'ReplyTo' => $replyTo,
                'Attachments' => $attachments,
            ],
        ];
    }
}