1 | <?php |
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17 | class PlaintextMessage extends AbstractListenerAggregate implements PluginInterface |
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18 | { |
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19 | |||
20 | /** |
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21 | * (c) http://php.net/nl2br#86678 |
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22 | * |
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23 | * @param $string |
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24 | * @return mixed |
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25 | */ |
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26 | private function br2nl($string) |
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30 | |||
31 | /** |
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32 | * Create text version of HTML message by changing line breaks to newlines and |
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33 | * stripping tags. |
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34 | * |
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35 | * @param ComposerEvent $event |
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36 | */ |
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37 | public function generateTextBody(ComposerEvent $event) |
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38 | { |
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39 | $parts = $event->getBody()->getParts(); |
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40 | |||
41 | $htmlBody = null; |
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42 | $htmlPart = null; |
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43 | $textBody = null; |
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44 | |||
45 | // locate HTML body |
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46 | foreach ($parts as $part) { |
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47 | foreach ($part->getHeadersArray() as $header) { |
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48 | if ($header[0] == 'Content-Type' && strpos($header[1], 'text/html') === 0) { |
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49 | $htmlPart = $part; |
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50 | $htmlBody = $part->getRawContent(); |
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51 | } elseif ($header[0] == 'Content-Type' && strpos($header[1], 'text/plain') === 0) { |
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52 | $textBody = $part->getRawContent(); |
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53 | } |
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54 | } |
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55 | } |
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56 | |||
57 | if ($textBody || !$htmlBody) { |
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58 | // can only work if HTML body exists and text doesn't |
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59 | return; |
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60 | } |
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61 | |||
62 | // create and insert text body |
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63 | $textBody = strip_tags($this->br2nl($htmlBody)); |
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64 | $textPart = new MimePart($textBody); |
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65 | $textPart->type = 'text/plain'; |
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66 | $event->getBody()->setParts([$textPart, $htmlPart]); |
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67 | |||
68 | // force multipart/alternative content type |
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69 | $event->getMessage()->getHeaders()->get('content-type')->setType('multipart/alternative') |
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70 | ->addParameter('boundary', $event->getBody()->getMime()->boundary()); |
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71 | } |
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72 | |||
73 | /** |
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74 | * Attach one or more listeners |
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75 | * |
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76 | * Implementors may add an optional $priority argument; the EventManager |
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77 | * implementation will pass this to the aggregate. |
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78 | * |
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79 | * @param EventManagerInterface $events |
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80 | * |
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81 | * @return void |
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82 | */ |
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83 | public function attach(EventManagerInterface $events, $priority = 1) |
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87 | } |
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88 |