nextcloud /
server
| Total Complexity | 59 |
| Total Lines | 447 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like EmailProvider often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use EmailProvider, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 51 | class EmailProvider extends AbstractProvider { |
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| 52 | |||
| 53 | /** @var string */ |
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| 54 | public const NOTIFICATION_TYPE = 'EMAIL'; |
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| 55 | |||
| 56 | /** @var IMailer */ |
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| 57 | private $mailer; |
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| 58 | |||
| 59 | /** |
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| 60 | * @param IConfig $config |
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| 61 | * @param IMailer $mailer |
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| 62 | * @param ILogger $logger |
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| 63 | * @param L10NFactory $l10nFactory |
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| 64 | * @param IUrlGenerator $urlGenerator |
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| 65 | */ |
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| 66 | public function __construct(IConfig $config, |
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| 67 | IMailer $mailer, |
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| 68 | ILogger $logger, |
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| 69 | L10NFactory $l10nFactory, |
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| 70 | IURLGenerator $urlGenerator) { |
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| 71 | parent::__construct($logger, $l10nFactory, $urlGenerator, $config); |
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| 72 | $this->mailer = $mailer; |
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| 73 | } |
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| 74 | |||
| 75 | /** |
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| 76 | * Send out notification via email |
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| 77 | * |
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| 78 | * @param VEvent $vevent |
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| 79 | * @param string $calendarDisplayName |
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| 80 | * @param array $users |
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| 81 | * @throws \Exception |
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| 82 | */ |
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| 83 | public function send(VEvent $vevent, |
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| 84 | string $calendarDisplayName, |
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| 85 | array $users=[]):void { |
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| 86 | $fallbackLanguage = $this->getFallbackLanguage(); |
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| 87 | |||
| 88 | $emailAddressesOfSharees = $this->getEMailAddressesOfAllUsersWithWriteAccessToCalendar($users); |
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| 89 | $emailAddressesOfAttendees = $this->getAllEMailAddressesFromEvent($vevent); |
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| 90 | |||
| 91 | // Quote from php.net: |
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| 92 | // If the input arrays have the same string keys, then the later value for that key will overwrite the previous one. |
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| 93 | // => if there are duplicate email addresses, it will always take the system value |
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| 94 | $emailAddresses = array_merge( |
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| 95 | $emailAddressesOfAttendees, |
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| 96 | $emailAddressesOfSharees |
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| 97 | ); |
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| 98 | |||
| 99 | $sortedByLanguage = $this->sortEMailAddressesByLanguage($emailAddresses, $fallbackLanguage); |
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| 100 | $organizer = $this->getOrganizerEMailAndNameFromEvent($vevent); |
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| 101 | |||
| 102 | foreach ($sortedByLanguage as $lang => $emailAddresses) { |
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| 103 | if (!$this->hasL10NForLang($lang)) { |
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| 104 | $lang = $fallbackLanguage; |
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| 105 | } |
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| 106 | $l10n = $this->getL10NForLang($lang); |
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| 107 | $fromEMail = \OCP\Util::getDefaultEmailAddress('reminders-noreply'); |
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| 108 | |||
| 109 | $template = $this->mailer->createEMailTemplate('dav.calendarReminder'); |
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| 110 | $template->addHeader(); |
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| 111 | $this->addSubjectAndHeading($template, $l10n, $vevent); |
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| 112 | $this->addBulletList($template, $l10n, $calendarDisplayName, $vevent); |
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| 113 | $template->addFooter(); |
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| 114 | |||
| 115 | foreach ($emailAddresses as $emailAddress) { |
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| 116 | $message = $this->mailer->createMessage(); |
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| 117 | $message->setFrom([$fromEMail]); |
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| 118 | if ($organizer) { |
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| 119 | $message->setReplyTo($organizer); |
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| 120 | } |
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| 121 | $message->setTo([$emailAddress]); |
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| 122 | $message->useTemplate($template); |
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| 123 | |||
| 124 | try { |
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| 125 | $failed = $this->mailer->send($message); |
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| 126 | if ($failed) { |
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| 127 | $this->logger->error('Unable to deliver message to {failed}', ['app' => 'dav', 'failed' => implode(', ', $failed)]); |
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| 128 | } |
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| 129 | } catch (\Exception $ex) { |
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| 130 | $this->logger->logException($ex, ['app' => 'dav']); |
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| 131 | } |
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| 132 | } |
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| 133 | } |
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| 134 | } |
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| 135 | |||
| 136 | /** |
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| 137 | * @param IEMailTemplate $template |
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| 138 | * @param IL10N $l10n |
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| 139 | * @param VEvent $vevent |
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| 140 | */ |
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| 141 | private function addSubjectAndHeading(IEMailTemplate $template, IL10N $l10n, VEvent $vevent):void { |
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| 142 | $template->setSubject('Notification: ' . $this->getTitleFromVEvent($vevent, $l10n)); |
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| 143 | $template->addHeading($this->getTitleFromVEvent($vevent, $l10n)); |
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| 144 | } |
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| 145 | |||
| 146 | /** |
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| 147 | * @param IEMailTemplate $template |
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| 148 | * @param IL10N $l10n |
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| 149 | * @param string $calendarDisplayName |
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| 150 | * @param array $eventData |
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| 151 | */ |
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| 152 | private function addBulletList(IEMailTemplate $template, |
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| 153 | IL10N $l10n, |
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| 154 | string $calendarDisplayName, |
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| 155 | VEvent $vevent):void { |
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| 156 | $template->addBodyListItem($calendarDisplayName, $l10n->t('Calendar:'), |
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| 157 | $this->getAbsoluteImagePath('actions/info.svg')); |
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| 158 | |||
| 159 | $template->addBodyListItem($this->generateDateString($l10n, $vevent), $l10n->t('Date:'), |
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| 160 | $this->getAbsoluteImagePath('places/calendar.svg')); |
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| 161 | |||
| 162 | if (isset($vevent->LOCATION)) { |
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| 163 | $template->addBodyListItem((string) $vevent->LOCATION, $l10n->t('Where:'), |
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| 164 | $this->getAbsoluteImagePath('actions/address.svg')); |
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| 165 | } |
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| 166 | if (isset($vevent->DESCRIPTION)) { |
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| 167 | $template->addBodyListItem((string) $vevent->DESCRIPTION, $l10n->t('Description:'), |
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| 168 | $this->getAbsoluteImagePath('actions/more.svg')); |
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| 169 | } |
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| 170 | } |
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| 171 | |||
| 172 | /** |
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| 173 | * @param string $path |
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| 174 | * @return string |
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| 175 | */ |
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| 176 | private function getAbsoluteImagePath(string $path):string { |
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| 177 | return $this->urlGenerator->getAbsoluteURL( |
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| 178 | $this->urlGenerator->imagePath('core', $path) |
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| 179 | ); |
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| 180 | } |
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| 181 | |||
| 182 | /** |
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| 183 | * @param VEvent $vevent |
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| 184 | * @return array|null |
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| 185 | */ |
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| 186 | private function getOrganizerEMailAndNameFromEvent(VEvent $vevent):?array { |
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| 187 | if (!$vevent->ORGANIZER) { |
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| 188 | return null; |
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| 189 | } |
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| 190 | |||
| 191 | $organizer = $vevent->ORGANIZER; |
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| 192 | if (strcasecmp($organizer->getValue(), 'mailto:') !== 0) { |
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| 193 | return null; |
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| 194 | } |
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| 195 | |||
| 196 | $organizerEMail = substr($organizer->getValue(), 7); |
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| 197 | |||
| 198 | $name = $organizer->offsetGet('CN'); |
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| 199 | if ($name instanceof Parameter) { |
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| 200 | return [$organizerEMail => $name]; |
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| 201 | } |
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| 202 | |||
| 203 | return [$organizerEMail]; |
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| 204 | } |
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| 205 | |||
| 206 | /** |
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| 207 | * @param array $emails |
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| 208 | * @param string $defaultLanguage |
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| 209 | * @return array |
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| 210 | */ |
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| 211 | private function sortEMailAddressesByLanguage(array $emails, |
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| 212 | string $defaultLanguage):array { |
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| 213 | $sortedByLanguage = []; |
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| 214 | |||
| 215 | foreach ($emails as $emailAddress => $parameters) { |
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| 216 | if (isset($parameters['LANG'])) { |
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| 217 | $lang = $parameters['LANG']; |
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| 218 | } else { |
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| 219 | $lang = $defaultLanguage; |
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| 220 | } |
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| 221 | |||
| 222 | if (!isset($sortedByLanguage[$lang])) { |
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| 223 | $sortedByLanguage[$lang] = []; |
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| 224 | } |
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| 225 | |||
| 226 | $sortedByLanguage[$lang][] = $emailAddress; |
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| 227 | } |
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| 228 | |||
| 229 | return $sortedByLanguage; |
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| 230 | } |
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| 231 | |||
| 232 | /** |
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| 233 | * @param VEvent $vevent |
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| 234 | * @return array |
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| 235 | */ |
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| 236 | private function getAllEMailAddressesFromEvent(VEvent $vevent):array { |
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| 237 | $emailAddresses = []; |
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| 238 | |||
| 239 | if (isset($vevent->ATTENDEE)) { |
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| 240 | foreach ($vevent->ATTENDEE as $attendee) { |
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| 241 | if (!($attendee instanceof VObject\Property)) { |
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| 242 | continue; |
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| 243 | } |
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| 244 | |||
| 245 | $cuType = $this->getCUTypeOfAttendee($attendee); |
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| 246 | if (\in_array($cuType, ['RESOURCE', 'ROOM', 'UNKNOWN'])) { |
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| 247 | // Don't send emails to things |
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| 248 | continue; |
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| 249 | } |
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| 250 | |||
| 251 | $partstat = $this->getPartstatOfAttendee($attendee); |
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| 252 | if ($partstat === 'DECLINED') { |
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| 253 | // Don't send out emails to people who declined |
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| 254 | continue; |
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| 255 | } |
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| 256 | if ($partstat === 'DELEGATED') { |
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| 257 | $delegates = $attendee->offsetGet('DELEGATED-TO'); |
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| 258 | if (!($delegates instanceof VObject\Parameter)) { |
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| 259 | continue; |
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| 260 | } |
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| 261 | |||
| 262 | $emailAddressesOfDelegates = $delegates->getParts(); |
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| 263 | foreach ($emailAddressesOfDelegates as $addressesOfDelegate) { |
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| 264 | if (strcasecmp($addressesOfDelegate, 'mailto:') === 0) { |
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| 265 | $emailAddresses[substr($addressesOfDelegate, 7)] = []; |
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| 266 | } |
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| 267 | } |
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| 268 | |||
| 269 | continue; |
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| 270 | } |
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| 271 | |||
| 272 | $emailAddressOfAttendee = $this->getEMailAddressOfAttendee($attendee); |
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| 273 | if ($emailAddressOfAttendee !== null) { |
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| 274 | $properties = []; |
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| 275 | |||
| 276 | $langProp = $attendee->offsetGet('LANG'); |
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| 277 | if ($langProp instanceof VObject\Parameter) { |
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| 278 | $properties['LANG'] = $langProp->getValue(); |
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| 279 | } |
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| 280 | |||
| 281 | $emailAddresses[$emailAddressOfAttendee] = $properties; |
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| 282 | } |
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| 283 | } |
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| 284 | } |
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| 285 | |||
| 286 | if (isset($vevent->ORGANIZER) && $this->hasAttendeeMailURI($vevent->ORGANIZER)) { |
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| 287 | $emailAddresses[$this->getEMailAddressOfAttendee($vevent->ORGANIZER)] = []; |
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| 288 | } |
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| 289 | |||
| 290 | return $emailAddresses; |
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| 291 | } |
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| 292 | |||
| 293 | |||
| 294 | |||
| 295 | /** |
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| 296 | * @param VObject\Property $attendee |
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| 297 | * @return string |
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| 298 | */ |
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| 299 | private function getCUTypeOfAttendee(VObject\Property $attendee):string { |
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| 300 | $cuType = $attendee->offsetGet('CUTYPE'); |
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| 301 | if ($cuType instanceof VObject\Parameter) { |
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| 302 | return strtoupper($cuType->getValue()); |
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| 303 | } |
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| 304 | |||
| 305 | return 'INDIVIDUAL'; |
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| 306 | } |
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| 307 | |||
| 308 | /** |
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| 309 | * @param VObject\Property $attendee |
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| 310 | * @return string |
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| 311 | */ |
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| 312 | private function getPartstatOfAttendee(VObject\Property $attendee):string { |
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| 313 | $partstat = $attendee->offsetGet('PARTSTAT'); |
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| 314 | if ($partstat instanceof VObject\Parameter) { |
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| 315 | return strtoupper($partstat->getValue()); |
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| 316 | } |
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| 317 | |||
| 318 | return 'NEEDS-ACTION'; |
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| 319 | } |
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| 320 | |||
| 321 | /** |
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| 322 | * @param VObject\Property $attendee |
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| 323 | * @return bool |
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| 324 | */ |
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| 325 | private function hasAttendeeMailURI(VObject\Property $attendee):bool { |
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| 327 | } |
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| 328 | |||
| 329 | /** |
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| 330 | * @param VObject\Property $attendee |
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| 331 | * @return string|null |
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| 332 | */ |
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| 333 | private function getEMailAddressOfAttendee(VObject\Property $attendee):?string { |
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| 339 | } |
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| 340 | |||
| 341 | /** |
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| 342 | * @param array $users |
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| 343 | * @return array |
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| 344 | */ |
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| 345 | private function getEMailAddressesOfAllUsersWithWriteAccessToCalendar(array $users):array { |
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| 363 | } |
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| 364 | |||
| 365 | /** |
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| 366 | * @param IL10N $l10n |
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| 367 | * @param VEvent $vevent |
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| 368 | * @return string |
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| 369 | * @throws \Exception |
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| 370 | */ |
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| 371 | private function generateDateString(IL10N $l10n, VEvent $vevent):string { |
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| 439 | } |
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| 440 | |||
| 441 | /** |
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| 442 | * @param DateTime $dtStart |
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| 443 | * @param DateTime $dtEnd |
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| 444 | * @return bool |
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| 445 | */ |
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| 446 | private function isDayEqual(DateTime $dtStart, |
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| 447 | DateTime $dtEnd):bool { |
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| 448 | return $dtStart->format('Y-m-d') === $dtEnd->format('Y-m-d'); |
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| 449 | } |
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| 450 | |||
| 451 | /** |
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| 452 | * @param IL10N $l10n |
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| 453 | * @param DateTime $dt |
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| 454 | * @return string |
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| 455 | */ |
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| 456 | private function getWeekDayName(IL10N $l10n, DateTime $dt):string { |
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| 458 | } |
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| 459 | |||
| 460 | /** |
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| 461 | * @param IL10N $l10n |
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| 462 | * @param DateTime $dt |
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| 463 | * @return string |
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| 464 | */ |
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| 465 | private function getDateString(IL10N $l10n, DateTime $dt):string { |
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| 466 | return $l10n->l('date', $dt, ['width' => 'medium']); |
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| 467 | } |
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| 468 | |||
| 469 | /** |
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| 470 | * @param IL10N $l10n |
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| 471 | * @param DateTime $dt |
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| 472 | * @return string |
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| 473 | */ |
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| 474 | private function getDateTimeString(IL10N $l10n, DateTime $dt):string { |
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| 475 | return $l10n->l('datetime', $dt, ['width' => 'medium|short']); |
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| 476 | } |
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| 477 | |||
| 478 | /** |
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| 479 | * @param IL10N $l10n |
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| 480 | * @param DateTime $dt |
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| 481 | * @return string |
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| 482 | */ |
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| 483 | private function getTimeString(IL10N $l10n, DateTime $dt):string { |
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| 485 | } |
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| 486 | |||
| 487 | /** |
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| 488 | * @param VEvent $vevent |
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| 489 | * @param IL10N $l10n |
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| 490 | * @return string |
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| 491 | */ |
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| 492 | private function getTitleFromVEvent(VEvent $vevent, IL10N $l10n):string { |
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| 498 | } |
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| 499 | } |
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| 500 |
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This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.