AzineTwigSwiftMailer::sendSingleEmail() - Code Metrics - Inspection of "fix composer dependencies" - azine/email-bundle - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c37102...86711a )

by Dominik

created 2018-05-16 21:30 UTC

AzineTwigSwiftMailer::sendSingleEmail() A

↳ Parent: AzineTwigSwiftMailer

Complexity

Conditions	1
Paths	1

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	7
ccs	4
cts	4
cp	1
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	4
nc	1
nop	9
crap	1

How to fix Many Parameters

<?php

namespace Azine\EmailBundle\Services;

use Azine\EmailBundle\DependencyInjection\AzineEmailExtension;
use Azine\EmailBundle\Entity\SentEmail;
use Doctrine\Common\Persistence\ManagerRegistry;
use FOS\UserBundle\Mailer\TwigSwiftMailer;
use Symfony\Bundle\FrameworkBundle\Translation\Translator;
use Symfony\Component\HttpFoundation\File\Exception\FileException;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Routing\RequestContext;

/**
 * This Service is used to send html-emails with embedded images.
 *
 * @author Dominik Businger
 */
class AzineTwigSwiftMailer extends TwigSwiftMailer implements TemplateTwigSwiftMailerInterface
{
    /**
     * @var Translator
     */
    protected $translator;

    /**
     * @var TemplateProviderInterface
     */
    protected $templateProvider;

    /**
     * @var ManagerRegistry
     */
    protected $managerRegistry;

    /**
     * @var RequestContext
     */
    protected $routerContext;

    /**
     * @var string email to use for "no-reply"
     */
    protected $noReplyEmail;

    /**
     * @var string name to use for "no-reply"
     */
    protected $noReplyName;

    /**
     * The Swift_Mailer to be used for sending emails immediately.
     *
     * @var \Swift_Mailer
     */
    private $immediateMailer;

    /**
     * @var EmailOpenTrackingCodeBuilderInterface
     */
    private $emailOpenTrackingCodeBuilder;

    /**
     * @var AzineEmailTwigExtension
     */
    private $emailTwigExtension;

    private $encodedItemIdPattern;
    private $templateCache = array();
    private $imageCache = array();

    /**
     * @param \Swift_Mailer                         $mailer
     * @param UrlGeneratorInterface                 $router
     * @param \Twig_Environment                     $twig
     * @param Translator                            $translator
     * @param TemplateProviderInterface             $templateProvider
     * @param ManagerRegistry                       $managerRegistry
     * @param EmailOpenTrackingCodeBuilderInterface $emailOpenTrackingCodeBuilder
     * @param AzineEmailTwigExtension               $emailTwigExtension
     * @param array                                 $parameters
     * @param \Swift_Mailer                         $immediateMailer
     */
    public function __construct(\Swift_Mailer $mailer,
                                    UrlGeneratorInterface $router,
                                    \Twig_Environment $twig,
                                    Translator $translator,
                                    TemplateProviderInterface $templateProvider,
                                    ManagerRegistry $managerRegistry,
                                    EmailOpenTrackingCodeBuilderInterface $emailOpenTrackingCodeBuilder,
                                    AzineEmailTwigExtension $emailTwigExtension,
                                    array $parameters,
                                    \Swift_Mailer $immediateMailer = null)
    {
        parent::__construct($mailer, $router, $twig, $parameters);
        $this->immediateMailer = $immediateMailer;
        $this->translator = $translator;
        $this->templateProvider = $templateProvider;
        $this->managerRegistry = $managerRegistry;
        $this->noReplyEmail = $parameters[AzineEmailExtension::NO_REPLY][AzineEmailExtension::NO_REPLY_EMAIL_ADDRESS];
        $this->noReplyName = $parameters[AzineEmailExtension::NO_REPLY][AzineEmailExtension::NO_REPLY_EMAIL_NAME];
        $this->emailOpenTrackingCodeBuilder = $emailOpenTrackingCodeBuilder;
        $this->routerContext = $router->getContext();
        $this->encodedItemIdPattern = '/^cid:.*@/';
        $this->emailTwigExtension = $emailTwigExtension;
    }

    /**
     * (non-PHPdoc).
     *
     * @see Azine\EmailBundle\Services.TemplateTwigSwiftMailerInterface::sendEmail()
     *
     * @param array        $failedRecipients
     * @param string       $subject
     * @param string       $from
     * @param string       $fromName
     * @param array|string $to
     * @param string       $toName
     * @param array|string $cc
     * @param string       $ccName
     * @param array|string $bcc
     * @param string       $bccName
     * @param $replyTo
     * @param $replyToName
     * @param array $params
     * @param $template
     * @param array          $attachments
     * @param null           $emailLocale
     * @param \Swift_Message $message
     *
     * @return int
     */
    public function sendEmail(&$failedRecipients, $subject, $from, $fromName, $to, $toName, $cc, $ccName, $bcc, $bccName, $replyTo, $replyToName, array $params, $template, $attachments = array(), $emailLocale = null, \Swift_Message &$message = null)
    {
        // create the message
        if (null === $message) {
            $message = \Swift_Message::newInstance();
        }

        $message->setSubject($subject);

        // set the from-Name & -Email to the default ones if not given
        if (null === $from) {
            $from = $this->noReplyEmail;
            if (null === $fromName) {
                $fromName = $this->noReplyName;
            }
        }

        // add the from-email for the footer-text
        if (!array_key_exists('fromEmail', $params)) {
            $params['sendMailAccountName'] = $this->noReplyName;
            $params['sendMailAccountAddress'] = $this->noReplyEmail;
        }

        // get the baseTemplate. => templateId without the ending.
        $templateBaseId = substr($template, 0, strrpos($template, '.', -6));

        // check if this email should be stored for web-view
        if ($this->templateProvider->saveWebViewFor($templateBaseId)) {
            // keep a copy of the vars for the web-view
            $webViewParams = $params;

            // add the web-view token
            $params[$this->templateProvider->getWebViewTokenId()] = SentEmail::getNewToken();
        } else {
            $webViewParams = array();
        }

        // recursively add all template-variables for the wrapper-templates and contentItems
        $params = $this->templateProvider->addTemplateVariablesFor($templateBaseId, $params);

        // recursively attach all messages in the array
        $this->embedImages($message, $params);

        // change the locale for the email-recipients
        if (null !== $emailLocale && strlen($emailLocale) > 0) {
            $currentUserLocale = $this->translator->getLocale();

            // change the router-context locale
            $this->routerContext->setParameter('_locale', $emailLocale);

            // change the translator locale
            $this->translator->setLocale($emailLocale);
        } else {
            $emailLocale = $this->translator->getLocale();
        }

        // recursively add snippets for the wrapper-templates and contentItems
        $params = $this->templateProvider->addTemplateSnippetsWithImagesFor($templateBaseId, $params, $emailLocale);

        // add the emailLocale (used for web-view)
        $params['emailLocale'] = $emailLocale;

        // render the email parts
        $twigTemplate = $this->loadTemplate($template);
        $textBody = $twigTemplate->renderBlock('body_text', $params);
        $message->addPart($textBody, 'text/plain');

        $htmlBody = $twigTemplate->renderBlock('body_html', $params);

        $campaignParams = $this->templateProvider->getCampaignParamsFor($templateBaseId, $params);

        if (sizeof($campaignParams) > 0) {
            $htmlBody = $this->emailTwigExtension->addCampaignParamsToAllUrls($htmlBody, $campaignParams);
        }

        // if email-tracking is enabled
        if ($this->emailOpenTrackingCodeBuilder) {
            // add an image at the end of the html tag with the tracking-params to track email-opens
            $imgTrackingCode = $this->emailOpenTrackingCodeBuilder->getTrackingImgCode($templateBaseId, $campaignParams, $params, $message->getId(), $to, $cc, $bcc);
            if ($imgTrackingCode && strlen($imgTrackingCode) > 0) {
                $htmlCloseTagPosition = strpos($htmlBody, '</body>');
                $htmlBody = substr_replace($htmlBody, $imgTrackingCode, $htmlCloseTagPosition, 0);
            }
        }

        $message->setBody($htmlBody, 'text/html');

        // remove unused/unreferenced embeded items from the message
        $message = $this->removeUnreferecedEmbededItemsFromMessage($message, $params, $htmlBody);

        // change the locale back to the users locale
        if (isset($currentUserLocale) && null !== $currentUserLocale) {
            $this->routerContext->setParameter('_locale', $currentUserLocale);
            $this->translator->setLocale($currentUserLocale);
        }

        // add attachments
        foreach ($attachments as $fileName => $file) {
            // add attachment from existing file
            if (is_string($file)) {
                // check that the file really exists!
                if (file_exists($file)) {
                    $attachment = \Swift_Attachment::fromPath($file);
                    if (strlen($fileName) >= 5) {
                        $attachment->setFilename($fileName);
                    }
                } else {
                    throw new FileException('File not found: '.$file);
                }

                // add attachment from generated data
            } else {
                $attachment = \Swift_Attachment::newInstance($file, $fileName);
            }

            $message->attach($attachment);
        }

        // set the addresses
        if ($from) {
            $message->setFrom($from, $fromName);
        }
        if ($replyTo) {
            $message->setReplyTo($replyTo, $replyToName);
        } elseif ($from) {
            $message->setReplyTo($from, $fromName);
        }
        if ($to) {
            $message->setTo($to, $toName);
        }
        if ($cc) {
            $message->setCc($cc, $ccName);
        }
        if ($bcc) {
            $message->setBcc($bcc, $bccName);
        }

        // add custom headers
        $this->templateProvider->addCustomHeaders($templateBaseId, $message, $params);

        // send the message
        $mailer = $this->getMailer($params);
        $messagesSent = $mailer->send($message, $failedRecipients);

        // if the message was successfully sent,
        // and it should be made available in web-view
        if ($messagesSent && array_key_exists($this->templateProvider->getWebViewTokenId(), $params)) {
            // store the email
            $sentEmail = new SentEmail();
            $sentEmail->setToken($params[$this->templateProvider->getWebViewTokenId()]);
            $sentEmail->setTemplate($templateBaseId);
            $sentEmail->setSent(new \DateTime());

            // recursively add all template-variables for the wrapper-templates and contentItems
            $webViewParams = $this->templateProvider->addTemplateVariablesFor($template, $webViewParams);

            // replace absolute image-paths with relative ones.
            $webViewParams = $this->templateProvider->makeImagePathsWebRelative($webViewParams, $emailLocale);

            // recursively add snippets for the wrapper-templates and contentItems
            $webViewParams = $this->templateProvider->addTemplateSnippetsWithImagesFor($template, $webViewParams, $emailLocale, true);

            $sentEmail->setVariables($webViewParams);

            // save only successfull recipients
            if (!is_array($to)) {
                $to = array($to);
            }
            $successfulRecipients = array_diff($to, $failedRecipients);
            $sentEmail->setRecipients($successfulRecipients);

            // write to db
            $em = $this->managerRegistry->getManager();
            $em->persist($sentEmail);
            $em->flush($sentEmail);
            $em->clear();
            gc_collect_cycles();
        }

        return $messagesSent;
    }

    /**
     * Remove all Embeded Attachments that are not referenced in the html-body from the message
     * to avoid using unneccary bandwidth.
     *
     * @param \Swift_Message $message
     * @param array          $params   the parameters used to render the html
     * @param string         $htmlBody
     *
     * @return \Swift_Message
     */
    private function removeUnreferecedEmbededItemsFromMessage(\Swift_Message $message, $params, $htmlBody)
    {
        foreach ($params as $key => $value) {
            // remove unreferenced attachments from contentItems too.
            if ('contentItems' === $key) {
                foreach ($value as $contentItemParams) {
                    $message = $this->removeUnreferecedEmbededItemsFromMessage($message, $contentItemParams, $htmlBody);
                }
            } else {
                // check if the embeded items are referenced in the templates
                $isEmbededItem = is_string($value) && 1 == preg_match($this->encodedItemIdPattern, $value);

                if ($isEmbededItem && false === stripos($htmlBody, $value)) {
                    // remove unreferenced items
                    $children = array();

                    foreach ($message->getChildren() as $attachment) {
                        if ('cid:'.$attachment->getId() != $value) {
                            $children[] = $attachment;
                        }
                    }

                    $message->setChildren($children);
                }
            }
        }

        return $message;
    }

    /**
     * Get the template from the cache if it was loaded already.
     *
     * @param string $template
     *
     * @return \Twig_Template
     */
    private function loadTemplate($template)
    {
        if (!array_key_exists($template, $this->templateCache)) {
            $this->templateCache[$template] = $this->twig->loadTemplate($template);
        }

        return $this->templateCache[$template];
    }

    /**
     * Recursively embed all images in the array into the message.
     *
     * @param \Swift_Message $message
     * @param array          $params
     *
     * @return array $params
     */
    private function embedImages(&$message, &$params)
    {
        // loop through the array
        foreach ($params as $key => $value) {
            // if the current value is an array
            if (is_array($value)) {
                // search for more images deeper in the arrays
                $value = $this->embedImages($message, $value);
                $params[$key] = $value;

            // if the current value is an existing file from the image-folder, embed it
            } elseif (is_string($value)) {
                if (is_file($value)) {
                    // check if the file is from an allowed folder
                    if (false !== $this->templateProvider->isFileAllowed($value)) {
                        $encodedImage = $this->cachedEmbedImage($value);
                        if (null !== $encodedImage) {
                            $id = $message->embed($encodedImage);
                            $params[$key] = $id;
                        }
                    }

                    // the $filePath isn't a regular file
                } else {
                    // add a null-value to the cache for this path, so we don't try again.
                    $this->imageCache[$value] = null;
                }

                //if the current value is a generated image
            } elseif (is_resource($value) && 0 == stripos(get_resource_type($value), 'gd')) {
                // get the image-data as string
                ob_start();
                imagepng($value);
                $imageData = ob_get_clean();

                // encode the image
                $encodedImage = \Swift_Image::newInstance($imageData, 'generatedImage'.md5($imageData));
                $id = $message->embed($encodedImage);
                $params[$key] = $id;
            }
            // don't do anything
        }

        // remove duplicate-attachments
        $message->setChildren(array_unique($message->getChildren()));

        return $params;
    }

    /**
     * Get the Swift_Image for the file.
     *
     * @param string $filePath
     *
     * @return \Swift_Image|null
     */
    private function cachedEmbedImage($filePath)
    {
        $filePath = realpath($filePath);
        if (!array_key_exists($filePath, $this->imageCache)) {
            if (is_file($filePath)) {
                $image = \Swift_Image::fromPath($filePath);
                $id = $image->getId();

                // $id and $value must not be the same => this happens if the file cannot be found/read
                if ($id == $filePath) {
                    // @codeCoverageIgnoreStart
                    // add a null-value to the cache for this path, so we don't try again.
                    $this->imageCache[$filePath] = null;
                } else {
                    // @codeCoverageIgnoreEnd
                    // add the image to the cache
                    $this->imageCache[$filePath] = $image;
                }
            }
        }

        return $this->imageCache[$filePath];
    }

    /**
     * (non-PHPdoc).
     *
     * @see Azine\EmailBundle\Services.TemplateTwigSwiftMailerInterface::sendSingleEmail()
     *
     * @param string         $to
     * @param string         $toName
     * @param string         $subject
     * @param array          $params
     * @param string         $template
     * @param string         $emailLocale
     * @param null           $from
     * @param null           $fromName
     * @param \Swift_Message $message
     *
     * @return bool
     */
    public function sendSingleEmail($to, $toName, $subject, array $params, $template, $emailLocale, $from = null, $fromName = null, \Swift_Message &$message = null)
    {
        $failedRecipients = array();
        $this->sendEmail($failedRecipients, $subject, $from, $fromName, $to, $toName, null, null, null, null, null, null, $params, $template, array(), $emailLocale, $message);

        return 0 == sizeof($failedRecipients);
    }

    /**
     * Override the fosuserbundles original sendMessage, to embed template variables etc. into html-emails.
     *
     * @param string $templateName
     * @param array  $context
     * @param string $fromEmail
     * @param string $toEmail
     *
     * @return bool true if the mail was sent successfully, else false
     */
    protected function sendMessage($templateName, $context, $fromEmail, $toEmail)
    {
        // get the subject from the template
        // => make sure the subject block exists in your fos-templates (FOSUserBundle:Registration:email.txt.twig & FOSUserBundle:Resetting:email.txt.twig)
        $twigTemplate = $this->loadTemplate($templateName);
        $subject = $twigTemplate->renderBlock('subject', $context);

        return $this->sendSingleEmail($toEmail, null, $subject, $context, $templateName, $this->translator->getLocale(), $fromEmail);
    }

    /**
     * Return the Swift_Mailer to be used for sending mails immediately (e.g. instead of spooling them) if it is configured.
     *
     * @param $params
     *
     * @return \Swift_Mailer
     */
    private function getMailer($params)
    {
        // if the second mailer for immediate mail-delivery has been configured
        if (null !== $this->immediateMailer) {
            // check if this template has been configured to be sent immediately
            if (array_key_exists(AzineTemplateProvider::SEND_IMMEDIATELY_FLAG, $params) && $params[AzineTemplateProvider::SEND_IMMEDIATELY_FLAG]) {
                return $this->immediateMailer;
            }
        }

        return $this->mailer;
    }
}


1		<?php
2
3		namespace Azine\EmailBundle\Services;
4
5		use Azine\EmailBundle\DependencyInjection\AzineEmailExtension;
6		use Azine\EmailBundle\Entity\SentEmail;
7		use Doctrine\Common\Persistence\ManagerRegistry;
8		use FOS\UserBundle\Mailer\TwigSwiftMailer;
9		use Symfony\Bundle\FrameworkBundle\Translation\Translator;
10		use Symfony\Component\HttpFoundation\File\Exception\FileException;
11		use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
12		use Symfony\Component\Routing\RequestContext;
13
14		/**
15		* This Service is used to send html-emails with embedded images.
16		*
17		* @author Dominik Businger
18		*/
19		class AzineTwigSwiftMailer extends TwigSwiftMailer implements TemplateTwigSwiftMailerInterface
20		{
21		/**
22		* @var Translator
23		*/
24		protected $translator;
25
26		/**
27		* @var TemplateProviderInterface
28		*/
29		protected $templateProvider;
30
31		/**
32		* @var ManagerRegistry
33		*/
34		protected $managerRegistry;
35
36		/**
37		* @var RequestContext
38		*/
39		protected $routerContext;
40
41		/**
42		* @var string email to use for "no-reply"
43		*/
44		protected $noReplyEmail;
45
46		/**
47		* @var string name to use for "no-reply"
48		*/
49		protected $noReplyName;
50
51		/**
52		* The Swift_Mailer to be used for sending emails immediately.
53		*
54		* @var \Swift_Mailer
55		*/
56		private $immediateMailer;
57
58		/**
59		* @var EmailOpenTrackingCodeBuilderInterface
60		*/
61		private $emailOpenTrackingCodeBuilder;
62
63		/**
64		* @var AzineEmailTwigExtension
65		*/
66		private $emailTwigExtension;
67
68		private $encodedItemIdPattern;
69		private $templateCache = array();
70		private $imageCache = array();
71
72		/**
73		* @param \Swift_Mailer $mailer
74		* @param UrlGeneratorInterface $router
75		* @param \Twig_Environment $twig
76		* @param Translator $translator
77		* @param TemplateProviderInterface $templateProvider
78		* @param ManagerRegistry $managerRegistry
79		* @param EmailOpenTrackingCodeBuilderInterface $emailOpenTrackingCodeBuilder
80		* @param AzineEmailTwigExtension $emailTwigExtension
81		* @param array $parameters
82		* @param \Swift_Mailer $immediateMailer
83		*/
84	7	public function __construct(\Swift_Mailer $mailer,
85		UrlGeneratorInterface $router,
86		\Twig_Environment $twig,
87		Translator $translator,
88		TemplateProviderInterface $templateProvider,
89		ManagerRegistry $managerRegistry,
90		EmailOpenTrackingCodeBuilderInterface $emailOpenTrackingCodeBuilder,
91		AzineEmailTwigExtension $emailTwigExtension,
92		array $parameters,
93		\Swift_Mailer $immediateMailer = null)
94		{
95	7	parent::__construct($mailer, $router, $twig, $parameters);
96	7	$this->immediateMailer = $immediateMailer;
97	7	$this->translator = $translator;
98	7	$this->templateProvider = $templateProvider;
99	7	$this->managerRegistry = $managerRegistry;
100	7	$this->noReplyEmail = $parameters[AzineEmailExtension::NO_REPLY][AzineEmailExtension::NO_REPLY_EMAIL_ADDRESS];
101	7	$this->noReplyName = $parameters[AzineEmailExtension::NO_REPLY][AzineEmailExtension::NO_REPLY_EMAIL_NAME];
102	7	$this->emailOpenTrackingCodeBuilder = $emailOpenTrackingCodeBuilder;
103	7	$this->routerContext = $router->getContext();
104	7	$this->encodedItemIdPattern = '/^cid:.*@/';
105	7	$this->emailTwigExtension = $emailTwigExtension;
106	7	}
107
108		/**
109		* (non-PHPdoc).
110		*
111		* @see Azine\EmailBundle\Services.TemplateTwigSwiftMailerInterface::sendEmail()
112		*
113		* @param array $failedRecipients
114		* @param string $subject
115		* @param string $from
116		* @param string $fromName
117		* @param array\|string $to
118		* @param string $toName
119		* @param array\|string $cc
120		* @param string $ccName
121		* @param array\|string $bcc
122		* @param string $bccName
123		* @param $replyTo
124		* @param $replyToName
125		* @param array $params
126		* @param $template
127		* @param array $attachments
128		* @param null $emailLocale
129		* @param \Swift_Message $message
130		*
131		* @return int
132		*/
133	7	public function sendEmail(&$failedRecipients, $subject, $from, $fromName, $to, $toName, $cc, $ccName, $bcc, $bccName, $replyTo, $replyToName, array $params, $template, $attachments = array(), $emailLocale = null, \Swift_Message &$message = null)
134		{
135		// create the message
136	7	if (null === $message) {
137	7	$message = \Swift_Message::newInstance();
138		}
139
140	7	$message->setSubject($subject);
141
142		// set the from-Name & -Email to the default ones if not given
143	7	if (null === $from) {
144	2	$from = $this->noReplyEmail;
145	2	if (null === $fromName) {
146	2	$fromName = $this->noReplyName;
147		}
148		}
149
150		// add the from-email for the footer-text
151	7	if (!array_key_exists('fromEmail', $params)) {
152	7	$params['sendMailAccountName'] = $this->noReplyName;
153	7	$params['sendMailAccountAddress'] = $this->noReplyEmail;
154		}
155
156		// get the baseTemplate. => templateId without the ending.
157	7	$templateBaseId = substr($template, 0, strrpos($template, '.', -6));
158
159		// check if this email should be stored for web-view
160	7	if ($this->templateProvider->saveWebViewFor($templateBaseId)) {
161		// keep a copy of the vars for the web-view
162	4	$webViewParams = $params;
163
164		// add the web-view token
165	4	$params[$this->templateProvider->getWebViewTokenId()] = SentEmail::getNewToken();
166		} else {
167	3	$webViewParams = array();
168		}
169
170		// recursively add all template-variables for the wrapper-templates and contentItems
171	7	$params = $this->templateProvider->addTemplateVariablesFor($templateBaseId, $params);
172
173		// recursively attach all messages in the array
174	7	$this->embedImages($message, $params);
175
176		// change the locale for the email-recipients
177	7	if (null !== $emailLocale && strlen($emailLocale) > 0) {
178	6	$currentUserLocale = $this->translator->getLocale();
179
180		// change the router-context locale
181	6	$this->routerContext->setParameter('_locale', $emailLocale);
182
183		// change the translator locale
184	6	$this->translator->setLocale($emailLocale);
185		} else {
186	1	$emailLocale = $this->translator->getLocale();
187		}
188
189		// recursively add snippets for the wrapper-templates and contentItems
190	7	$params = $this->templateProvider->addTemplateSnippetsWithImagesFor($templateBaseId, $params, $emailLocale);
191
192		// add the emailLocale (used for web-view)
193	7	$params['emailLocale'] = $emailLocale;
194
195		// render the email parts
196	7	$twigTemplate = $this->loadTemplate($template);
197	7	$textBody = $twigTemplate->renderBlock('body_text', $params);
198	7	$message->addPart($textBody, 'text/plain');
199
200	7	$htmlBody = $twigTemplate->renderBlock('body_html', $params);
201
202	7	$campaignParams = $this->templateProvider->getCampaignParamsFor($templateBaseId, $params);
203
204	7	if (sizeof($campaignParams) > 0) {
205	5	$htmlBody = $this->emailTwigExtension->addCampaignParamsToAllUrls($htmlBody, $campaignParams);
206		}
207
208		// if email-tracking is enabled
209	7	if ($this->emailOpenTrackingCodeBuilder) {
210		// add an image at the end of the html tag with the tracking-params to track email-opens
211	7	$imgTrackingCode = $this->emailOpenTrackingCodeBuilder->getTrackingImgCode($templateBaseId, $campaignParams, $params, $message->getId(), $to, $cc, $bcc);
212	7	if ($imgTrackingCode && strlen($imgTrackingCode) > 0) {
213	5	$htmlCloseTagPosition = strpos($htmlBody, '</body>');
214	5	$htmlBody = substr_replace($htmlBody, $imgTrackingCode, $htmlCloseTagPosition, 0);
215		}
216		}
217
218	7	$message->setBody($htmlBody, 'text/html');
219
220		// remove unused/unreferenced embeded items from the message
221	7	$message = $this->removeUnreferecedEmbededItemsFromMessage($message, $params, $htmlBody);
222
223		// change the locale back to the users locale
224	7	if (isset($currentUserLocale) && null !== $currentUserLocale) {
225	6	$this->routerContext->setParameter('_locale', $currentUserLocale);
226	6	$this->translator->setLocale($currentUserLocale);
227		}
228
229		// add attachments
230	7	foreach ($attachments as $fileName => $file) {
231		// add attachment from existing file
232	2	if (is_string($file)) {
233		// check that the file really exists!
234	2	if (file_exists($file)) {
235	1	$attachment = \Swift_Attachment::fromPath($file);
236	1	if (strlen($fileName) >= 5) {
237	1	$attachment->setFilename($fileName);
238		}
239		} else {
240	2	throw new FileException('File not found: '.$file);
241		}
242
243		// add attachment from generated data
244		} else {
245	1	$attachment = \Swift_Attachment::newInstance($file, $fileName);
246		}
247
248	1	$message->attach($attachment);
249		}
250
251		// set the addresses
252	6	if ($from) {
253	6	$message->setFrom($from, $fromName);
254		}
255	6	if ($replyTo) {
256	2	$message->setReplyTo($replyTo, $replyToName);
257	4	} elseif ($from) {
258	4	$message->setReplyTo($from, $fromName);
259		}
260	6	if ($to) {
261	6	$message->setTo($to, $toName);
262		}
263	6	if ($cc) {
264	2	$message->setCc($cc, $ccName);
265		}
266	6	if ($bcc) {
267	2	$message->setBcc($bcc, $bccName);
268		}
269
270		// add custom headers
271	6	$this->templateProvider->addCustomHeaders($templateBaseId, $message, $params);
272
273		// send the message
274	6	$mailer = $this->getMailer($params);
275	6	$messagesSent = $mailer->send($message, $failedRecipients);
276
277		// if the message was successfully sent,
278		// and it should be made available in web-view
279	6	if ($messagesSent && array_key_exists($this->templateProvider->getWebViewTokenId(), $params)) {
280		// store the email
281	2	$sentEmail = new SentEmail();
282	2	$sentEmail->setToken($params[$this->templateProvider->getWebViewTokenId()]);
283	2	$sentEmail->setTemplate($templateBaseId);
284	2	$sentEmail->setSent(new \DateTime());
285
286		// recursively add all template-variables for the wrapper-templates and contentItems
287	2	$webViewParams = $this->templateProvider->addTemplateVariablesFor($template, $webViewParams);
288
289		// replace absolute image-paths with relative ones.
290	2	$webViewParams = $this->templateProvider->makeImagePathsWebRelative($webViewParams, $emailLocale);
291
292		// recursively add snippets for the wrapper-templates and contentItems
293	2	$webViewParams = $this->templateProvider->addTemplateSnippetsWithImagesFor($template, $webViewParams, $emailLocale, true);
294
295	2	$sentEmail->setVariables($webViewParams);
296
297		// save only successfull recipients
298	2	if (!is_array($to)) {
299	2	$to = array($to);
300		}
301	2	$successfulRecipients = array_diff($to, $failedRecipients);
302	2	$sentEmail->setRecipients($successfulRecipients);
303
304		// write to db
305	2	$em = $this->managerRegistry->getManager();
306	2	$em->persist($sentEmail);
307	2	$em->flush($sentEmail);
308	2	$em->clear();
309	2	gc_collect_cycles();
310		}
311
312	6	return $messagesSent;
313		}
314
315		/**
316		* Remove all Embeded Attachments that are not referenced in the html-body from the message
317		* to avoid using unneccary bandwidth.
318		*
319		* @param \Swift_Message $message
320		* @param array $params the parameters used to render the html
321		* @param string $htmlBody
322		*
323		* @return \Swift_Message
324		*/
325	7	private function removeUnreferecedEmbededItemsFromMessage(\Swift_Message $message, $params, $htmlBody)
326		{
327	7	foreach ($params as $key => $value) {
328		// remove unreferenced attachments from contentItems too.
329	7	if ('contentItems' === $key) {
330	2	foreach ($value as $contentItemParams) {
331	2	$message = $this->removeUnreferecedEmbededItemsFromMessage($message, $contentItemParams, $htmlBody);
332		}
333		} else {
334		// check if the embeded items are referenced in the templates
335	7	$isEmbededItem = is_string($value) && 1 == preg_match($this->encodedItemIdPattern, $value);
336
337	7	if ($isEmbededItem && false === stripos($htmlBody, $value)) {
338		// remove unreferenced items
339	7	$children = array();
340
341	7	foreach ($message->getChildren() as $attachment) {
342	7	if ('cid:'.$attachment->getId() != $value) {
343	7	$children[] = $attachment;
344		}
345		}
346
347	7	$message->setChildren($children);
348		}
349		}
350		}
351
352	7	return $message;
353		}
354
355		/**
356		* Get the template from the cache if it was loaded already.
357		*
358		* @param string $template
359		*
360		* @return \Twig_Template
361		*/
362	7	private function loadTemplate($template)
363		{
364	7	if (!array_key_exists($template, $this->templateCache)) {
365	7	$this->templateCache[$template] = $this->twig->loadTemplate($template);
366		}
367
368	7	return $this->templateCache[$template];
369		}
370
371		/**
372		* Recursively embed all images in the array into the message.
373		*
374		* @param \Swift_Message $message
375		* @param array $params
376		*
377		* @return array $params
378		*/
379	7	private function embedImages(&$message, &$params)
380		{
381		// loop through the array
382	7	foreach ($params as $key => $value) {
383		// if the current value is an array
384	7	if (is_array($value)) {
385		// search for more images deeper in the arrays
386	2	$value = $this->embedImages($message, $value);
387	2	$params[$key] = $value;
388
389		// if the current value is an existing file from the image-folder, embed it
390	7	} elseif (is_string($value)) {
391	7	if (is_file($value)) {
392		// check if the file is from an allowed folder
393	7	if (false !== $this->templateProvider->isFileAllowed($value)) {
394	7	$encodedImage = $this->cachedEmbedImage($value);
395	7	if (null !== $encodedImage) {
396	7	$id = $message->embed($encodedImage);
397	7	$params[$key] = $id;
398		}
399		}
400
401		// the $filePath isn't a regular file
402		} else {
403		// add a null-value to the cache for this path, so we don't try again.
404	7	$this->imageCache[$value] = null;
405		}
406
407		//if the current value is a generated image
408	7	} elseif (is_resource($value) && 0 == stripos(get_resource_type($value), 'gd')) {
409		// get the image-data as string
410	1	ob_start();
411	1	imagepng($value);
412	1	$imageData = ob_get_clean();
413
414		// encode the image
415	1	$encodedImage = \Swift_Image::newInstance($imageData, 'generatedImage'.md5($imageData));
416	1	$id = $message->embed($encodedImage);
417	7	$params[$key] = $id;
418		}
419		// don't do anything
420		}
421
422		// remove duplicate-attachments
423	7	$message->setChildren(array_unique($message->getChildren()));
424
425	7	return $params;
426		}
427
428		/**
429		* Get the Swift_Image for the file.
430		*
431		* @param string $filePath
432		*
433		* @return \Swift_Image\|null
434		*/
435	7	private function cachedEmbedImage($filePath)
436		{
437	7	$filePath = realpath($filePath);
438	7	if (!array_key_exists($filePath, $this->imageCache)) {
439	7	if (is_file($filePath)) {
440	7	$image = \Swift_Image::fromPath($filePath);
441	7	$id = $image->getId();
442
443		// $id and $value must not be the same => this happens if the file cannot be found/read
444	7	if ($id == $filePath) {
445		// @codeCoverageIgnoreStart
446		// add a null-value to the cache for this path, so we don't try again.
447		$this->imageCache[$filePath] = null;
448		} else {
449		// @codeCoverageIgnoreEnd
450		// add the image to the cache
451	7	$this->imageCache[$filePath] = $image;
452		}
453		}
454		}
455
456	7	return $this->imageCache[$filePath];
457		}
458
459		/**
460		* (non-PHPdoc).
461		*
462		* @see Azine\EmailBundle\Services.TemplateTwigSwiftMailerInterface::sendSingleEmail()
463		*
464		* @param string $to
465		* @param string $toName
466		* @param string $subject
467		* @param array $params
468		* @param string $template
469		* @param string $emailLocale
470		* @param null $from
471		* @param null $fromName
472		* @param \Swift_Message $message
473		*
474		* @return bool
475		*/
476	4	public function sendSingleEmail($to, $toName, $subject, array $params, $template, $emailLocale, $from = null, $fromName = null, \Swift_Message &$message = null)
477		{
478	4	$failedRecipients = array();
479	4	$this->sendEmail($failedRecipients, $subject, $from, $fromName, $to, $toName, null, null, null, null, null, null, $params, $template, array(), $emailLocale, $message);
480
481	4	return 0 == sizeof($failedRecipients);
482		}
483
484		/**
485		* Override the fosuserbundles original sendMessage, to embed template variables etc. into html-emails.
486		*
487		* @param string $templateName
488		* @param array $context
489		* @param string $fromEmail
490		* @param string $toEmail
491		*
492		* @return bool true if the mail was sent successfully, else false
493		*/
494	2	protected function sendMessage($templateName, $context, $fromEmail, $toEmail)
495		{
496		// get the subject from the template
497		// => make sure the subject block exists in your fos-templates (FOSUserBundle:Registration:email.txt.twig & FOSUserBundle:Resetting:email.txt.twig)
498	2	$twigTemplate = $this->loadTemplate($templateName);
499	2	$subject = $twigTemplate->renderBlock('subject', $context);
500
501	2	return $this->sendSingleEmail($toEmail, null, $subject, $context, $templateName, $this->translator->getLocale(), $fromEmail);
502		}
503
504		/**
505		* Return the Swift_Mailer to be used for sending mails immediately (e.g. instead of spooling them) if it is configured.
506		*
507		* @param $params
508		*
509		* @return \Swift_Mailer
510		*/
511	6	private function getMailer($params)
512		{
513		// if the second mailer for immediate mail-delivery has been configured
514	6	if (null !== $this->immediateMailer) {
515		// check if this template has been configured to be sent immediately
516		if (array_key_exists(AzineTemplateProvider::SEND_IMMEDIATELY_FLAG, $params) && $params[AzineTemplateProvider::SEND_IMMEDIATELY_FLAG]) {
517		return $this->immediateMailer;
518		}
519		}
520
521	6	return $this->mailer;
522		}
523		}
524

azine / email-bundle

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AzineTwigSwiftMailer::sendSingleEmail() A

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