/**
* Log the mail open and output a 1x1 image
* @param integer $id
* @param string $hash
* @return void
*/
public function image($id = null, $hash = null)
{
$hash = str_replace('.png', '', $hash);
$mail = Email::whereHash($hash)->findOrFail($id);
// Log the email open
$mail->logEmailOpened();
// output img
header('Content-Type: image/png');
header('Cache-Control: no-cache, max-age=0');
echo base64_decode('iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAACnej3aAAAAAXRSTlMAQObYZgAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=');
die;
}
/**
* Attach event listeners on boot.
* @return void
*/
public function boot()
{
// Before send: attach blank image that will track mail opens
Event::listen('mailer.prepareSend', function ($self, $view, $message) {
$swift = $message->getSwiftMessage();
$mail = Email::create(['code' => $view, 'to' => $swift->getTo(), 'cc' => $swift->getCc(), 'bcc' => $swift->getBcc(), 'subject' => $swift->getSubject(), 'body' => $swift->getBody(), 'sender' => $swift->getSender(), 'reply_to' => $swift->getReplyTo(), 'date' => $swift->getDate()]);
$url = Backend::url('mja/mail/image/image', ['id' => $mail->id, 'hash' => $mail->hash . '.png']);
$swift->setBody($swift->getBody() . '<img src="' . $url . '" style="display:none;width:0;height:0;" />');
});
// After send: log the result
Event::listen('mailer.send', function ($self, $view, $message, $response) {
$swift = $message->getSwiftMessage();
$mail = Email::where('code', $view)->get()->last();
if ($mail === null) {
return;
}
$mail->response = $response;
$mail->sent = true;
$mail->save();
});
// Use for the mails sent list filter
Event::listen('backend.filter.extendScopesBefore', function ($filter) {
if (!$filter->getController() instanceof MailController) {
return;
}
$filter->scopes['views']['options'] = [];
$templates = MailTemplate::get();
foreach ($templates as $template) {
$filter->scopes['views']['options'][$template->code] = $template->code;
}
});
// Extend the mail template so that we could have the number of sent emails
// in the template list of this plugin.
MailTemplate::extend(function ($model) {
// Email relation
$model->addDynamicMethod('emails', function () use($model) {
return $model->hasMany('Mja\\Mail\\Models\\Email', 'code', 'code');
});
// Emails sent
$model->addDynamicMethod('getTimesSentAttribute', function () use($model) {
return (int) $model->emails()->count();
});
// Email opens
$model->addDynamicMethod('getTimesOpenedAttribute', function () use($model) {
return (int) $model->opens()->count();
});
// Last time sent
$model->addDynamicMethod('getLastSentAttribute', function () use($model) {
$email = $model->emails()->orderBy('id', 'desc')->first();
return $email ? $email->created_at : null;
});
// Last time opened
$model->addDynamicMethod('getLastOpenAttribute', function () use($model) {
$emails = $model->emails()->get();
$last_open = null;
foreach ($emails as $email) {
$lo = $email->opens()->orderBy('id', 'desc')->first();
if ($lo && ($lo->created_at < $last_open || $last_open === null)) {
$last_open = $lo->created_at;
}
}
return $last_open;
});
// Get the email opens by template
$model->addDynamicMethod('opens', function () use($model) {
$model->setKeyName('code');
$data = $model->hasManyThrough('Mja\\Mail\\Models\\EmailOpens', 'Mja\\Mail\\Models\\Email', 'code', 'email_id');
$model->setKeyName('id');
return $data;
});
});
}