added new messages and guest

-		$template->addBodyText($html, $text);

 	}

 	/**

--- ./apps/dav/lib/CalDAV/Schedule/IMipPlugin.php	2022-07-07 09:56:28.335627600 +0530

+++ ./apps/dav/lib/CalDAV/Schedule/IMipPlugin-new.php	2022-07-07 09:45:48.035627600 +0530

--- ./apps/dav/lib/CalDAV/Schedule/IMipPlugin.php	2022-07-27 13:21:50.294113800 +0530

+++ ./apps/dav/lib/CalDAV/Schedule/IMipPlugin-newModified.php	2022-07-27 12:56:55.734113800 +0530

@@ -151,15 +151,6 @@

 	 */

 	public function schedule(Message $iTipMessage) {

 		$summary = $iTipMessage->message->VEVENT->SUMMARY;

 		if (parse_url($iTipMessage->sender, PHP_URL_SCHEME) !== 'mailto') {

@@ -414,7 +405,7 @@

@@ -252,9 +243,25 @@

 		$summary = ((string) $summary !== '') ? (string) $summary : $l10n->t('Untitled event');

-		$this->addSubjectAndHeading($template, $l10n, $method, $summary);

+		if( count($vevent)>1){

+			$this->addSubjectAndHeadingUpdated($template, $l10n, $method, $summary);

+

+		}else{

+			$this->addSubjectAndHeading($template, $l10n, $method, $summary);

+		}

+		if ($method === self::METHOD_CANCEL) {

+			$template->addHeadingBanner('#FFC2B9','#7D1000',$l10n->t('The invitation has been cancelled'));

+		}

+		if ($method !== self::METHOD_CANCEL && $method !== self::METHOD_REPLY && count($vevent)>1) {

+			$template->addHeadingBanner('#EFFFDB','#293618',$l10n->t('This recurring event has been updated, please review the information below:'));

+		}

+		$sequence = $vevent->SEQUENCE->getValue();

+		if ($method !== self::METHOD_CANCEL && $method !== self::METHOD_REPLY && count($vevent)==1 && ($sequence > 2)) {

+			$template->addHeadingBanner('#EFFFDB','#293618',$l10n->t('This event has been updated, please review the information below:'));

+		}

 		$this->addBulletList($template, $l10n, $vevent);

+

 		// Only add response buttons to invitation requests: Fix Issue #11230

 		if (($method == self::METHOD_REQUEST) && $this->getAttendeeRsvpOrReqForParticipant($attendee)) {

@@ -414,7 +421,7 @@

 		return false;

 	}

 	 * @param IL10N $l10n

 	 * @param VEvent $vevent

 	 */

@@ -542,21 +533,57 @@

@@ -535,28 +542,85 @@

 			$template->addHeading($l10n->t('Invitation'));

 		}

 	}

-

+	/**

+	 * @param IEMailTemplate $template

+	 * @param IL10N $l10n

+	 * @param string $method

+	 * @param string $summary

+	 */

+	private function addSubjectAndHeadingUpdated(IEMailTemplate $template, IL10N $l10n,

+										  $method, $summary) {

+		if ($method === self::METHOD_CANCEL) {

+			$template->setSubject('Canceled: ' . $summary);

+			$template->addHeading($l10n->t('Invitation canceled'));

+		} elseif ($method === self::METHOD_REPLY) {

+			$template->setSubject('Re: ' . $summary);

+			$template->addHeading($l10n->t('Invitation updated'));

+		} else {

+			$template->setSubject('Invitation: ' . $summary);

+			$template->addHeading($l10n->t('Invitation Update'));

+		}

+	}

 	/**

 	 * @param IEMailTemplate $template

 	 * @param IL10N $l10n

 	 * @param VEVENT $vevent

 	 */

 	private function addBulletList(IEMailTemplate $template, IL10N $l10n, $vevent) {

+				$lastmodified=$dtstampTime;

+				$selectedEvent = $currentevent;

+			}

+		}

 		}

-		$meetingWhen = $this->generateWhenString($l10n, $vevent);

+

+

+		if ($selectedEvent->SUMMARY) {

+

+				$template->addBodyListItemModified($selectedEvent->SUMMARY, $l10n->t('Updated Title:'),

+					$this->getAbsoluteImagePath('caldav/title.png'),'','',self::IMIP_INDENT);

+			}

 		}

-		$meetingWhen = $this->generateWhenString($l10n, $vevent);

+		}

+		$meetingWhen = $this->generateWhenString($l10n, $selectedEvent);

 		if ($meetingWhen) {

-			$template->addBodyListItem($meetingWhen, $l10n->t('Time:'),

-		if ($vevent->LOCATION) {

-			$template->addBodyListItem($vevent->LOCATION, $l10n->t('Location:'),

-				$this->getAbsoluteImagePath('caldav/location.png'),'','',self::IMIP_INDENT);

+

+		if ($selectedEvent->LOCATION) {

+

+			if(trim($selectedEvent->LOCATION)==trim($parentevent->LOCATION)){

+				$template->addBodyListItem($selectedEvent->LOCATION, $l10n->t('Location:'),

+					$this->getAbsoluteImagePath('caldav/location.png'),'','',self::IMIP_INDENT);

 			$template->addBodyListItem(sprintf('<a href="%s">%s</a>',

 					htmlspecialchars($url),

 					htmlspecialchars($url)),

@@ -565,12 +592,18 @@

@@ -565,12 +629,28 @@

 				$url,'',self::IMIP_INDENT);

 		}

+					$this->getAbsoluteImagePath('caldav/description.png'),'','',self::IMIP_INDENT);

+			}

+

+		}

+		if (isset($selectedEvent->ATTENDEE)) {

+			$finalguests='';

+			foreach ($selectedEvent->ATTENDEE as $attendee) {

+				$emailid=  substr(($attendee->getValue()),7);

+				$finalguests.=$emailid.' -'.$attendee['PARTSTAT'].', ';

+

+			}

+			$template->addBodyListItem($finalguests, $l10n->t('Guests:'),

+					$this->getAbsoluteImagePath('caldav/description.png'),'','',self::IMIP_INDENT);

 		}

 	}

@@ -723,4 +756,4 @@

@@ -659,7 +739,7 @@

 										Message $iTipMessage, $lastOccurrence) {

 		$token = $this->createInvitationToken($iTipMessage, $lastOccurrence);

-		$template->addBodyButtonGroupTentative(

+		$template->addBodyButtonGroup(

 			$l10n->t('Accept'),

 			$this->urlGenerator->linkToRouteAbsolute('dav.invitation_response.accept', [

 				'token' => $token,

@@ -667,11 +747,18 @@

 			$l10n->t('Decline'),

 			$this->urlGenerator->linkToRouteAbsolute('dav.invitation_response.decline', [

 				'token' => $token,

-			]),

-			$l10n->t('Maybe'),

-			$this->urlGenerator->getAbsoluteUrl('apps/calendar/invitation/tentative/'.$token)

+			])

 		);

+		$moreOptionsURL = $this->urlGenerator->linkToRouteAbsolute('dav.invitation_response.options', [

+			'token' => $token,

+		]);

+		$html = vsprintf('<small><a href="%s">%s</a></small>', [

+			$moreOptionsURL, $l10n->t('More options …')

+		]);

+		$text = $l10n->t('More options at %s', [$moreOptionsURL]);

+

+		$template->addBodyText($html, $text);

 	}

 	/**

@@ -716,4 +803,4 @@

 		return $token;

 	}