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<?php |
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namespace LeKoala\SparkPost; |
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use Pelago\Emogrifier\CssInliner; |
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use Pelago\Emogrifier\HtmlProcessor\HtmlPruner; |
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use Pelago\Emogrifier\HtmlProcessor\CssToAttributeConverter; |
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class EmailUtils |
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{ |
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/** |
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* Inline styles using Pelago Emogrifier V6 |
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* |
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* This is much better than the functionnality provided by SparkPost anyway |
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* |
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* @link https://github.com/MyIntervals/emogrifier#more-complex-example |
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* @param string $html |
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* @param string $css (optional) css to inline |
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* @return string |
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*/ |
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public static function inline_styles($html, $css = '') |
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{ |
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$domDocument = CssInliner::fromHtml($html)->inlineCss($css)->getDomDocument(); |
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HtmlPruner::fromDomDocument($domDocument)->removeElementsWithDisplayNone(); |
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$html = CssToAttributeConverter::fromDomDocument($domDocument) |
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->convertCssToVisualAttributes()->render(); |
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return $html; |
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} |
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/** |
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* Convert an html email to a text email while keeping formatting and links |
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* |
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* @param string $content |
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* @return string |
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*/ |
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public static function convert_html_to_text($content) |
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{ |
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// Prevent styles to be included |
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$content = preg_replace('/<style.*>([\s\S]*)<\/style>/i', '', $content); |
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// Convert html entities to strip them later on |
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$content = html_entity_decode($content); |
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// Bold |
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$content = str_ireplace(['<strong>', '</strong>', '<b>', '</b>'], "*", $content); |
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// Replace links to keep them accessible |
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$content = preg_replace('/<a[\s\S]href="(.*?)"[\s\S]*?>(.*?)<\/a>/i', '$2 ($1)', $content); |
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// Replace new lines |
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$content = str_replace(['<br>', '<br/>', '<br />'], "\r\n", $content); |
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// Remove html tags |
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$content = strip_tags($content); |
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// Avoid lots of spaces |
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$content = preg_replace('/^[\s][\s]+(\S)/m', "\n$1", $content); |
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// Trim content so that it's nice |
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$content = trim($content); |
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return $content; |
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} |
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/** |
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* Match all words and whitespace, will be terminated by '<' |
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* |
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* Note: use /u to support utf8 strings |
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* |
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* @param string $rfc_email_string |
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* @return string |
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*/ |
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public static function get_displayname_from_rfc_email($rfc_email_string) |
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{ |
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$name = preg_match('/[\w\s\-\.]+/u', $rfc_email_string, $matches); |
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$matches[0] = trim($matches[0]); |
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return $matches[0]; |
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} |
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/** |
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* Extract parts between brackets |
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* |
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* @param string $rfc_email_string |
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* @return string |
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*/ |
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public static function get_email_from_rfc_email($rfc_email_string) |
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{ |
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if (strpos($rfc_email_string, '<') === false) { |
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return $rfc_email_string; |
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} |
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$mailAddress = preg_match('/(?:<)(.+)(?:>)$/', $rfc_email_string, $matches); |
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if (empty($matches)) { |
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return $rfc_email_string; |
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} |
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return $matches[1]; |
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} |
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/** |
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* Useful when dealing with legacy code |
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* |
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* @param \SilverStripe\Control\Email\Email $Email |
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* @return \Symfony\Component\Mime\Header\Headers|Swift_Mime_SimpleHeaderSet |
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*/ |
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public static function getHeaders($Email) |
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{ |
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return method_exists($Email, 'getSwiftMessage') ? $Email->getSwiftMessage()->getHeaders() : $Email->getHeaders(); |
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} |
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} |
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lekoala /
silverstripe-sparkpost
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