Map stacks to VTODO and link them as parent entries

Signed-off-by: Julius Härtl <jus@bitgrid.net>

lib/DAV/Calendar.php

@@ -27,7 +27,9 @@ use OCA\DAV\CalDAV\Plugin;
 use OCA\DAV\DAV\Sharing\IShareable;
 use OCA\Deck\Db\Board;
 use OCA\Deck\Db\Card;
+use OCA\Deck\Db\Stack;
 use OCA\Deck\Service\CardService;
+use OCA\Deck\Service\StackService;
 use Sabre\CalDAV\Xml\Property\SupportedCalendarComponentSet;
 use Sabre\DAV\PropPatch;
 
@@ -62,9 +64,14 @@ class Calendar extends ExternalCalendar implements IShareable {
 
 
 		if ($board) {
-			/** @var CardService cardService */
+			/** @var CardService $cardService */
 			$cardService = \OC::$server->query(CardService::class);
-			$this->children = $cardService->findCalendarEntries($board->getId());
+			/** @var StackService $stackService */
+			$stackService = \OC::$server->query(StackService::class);
+			$this->children = array_merge(
+				$cardService->findCalendarEntries($board->getId()),
+				$stackService->findCalendarEntries($board->getId())
+			);
 		} else {
 			$this->children = [];
 		}
@@ -120,8 +127,8 @@ class Calendar extends ExternalCalendar implements IShareable {
 	 */
 	function calendarQuery(array $filters) {
 		// In a real implementation this should actually filter
-		return array_map(function (Card $card) {
-			return $card->getId() . '.ics';
+		return array_map(function ($card) {
+			return $card->getCalendarPrefix() . '-' . $card->getId() . '.ics';
 		}, $this->children);
 	}
 
@@ -140,7 +147,7 @@ class Calendar extends ExternalCalendar implements IShareable {
 			$card = array_values(array_filter(
 				$this->children,
 				function ($card) use (&$name) {
-					return $card->getId() . '.ics' === $name;
+					return $card->getCalendarPrefix() . '-' . $card->getId() . '.ics' === $name;
 				}
 			));
 			if (count($card) > 0) {
@@ -153,8 +160,8 @@ class Calendar extends ExternalCalendar implements IShareable {
 	 * @inheritDoc
 	 */
 	function getChildren() {
-		$childNames = array_map(function (Card $card) {
-			return $card->getId() . '.ics';
+		$childNames = array_map(function ($card) {
+			return $card->getCalendarPrefix() . '-' . $card->getId() . '.ics';
 		}, $this->children);
 
 		$children = [];
@@ -173,7 +180,7 @@ class Calendar extends ExternalCalendar implements IShareable {
 		return count(array_filter(
 			$this->children,
 			function ($card) use (&$name) {
-				return $card->getId() . '.ics' === $name;
+				return $card->getCalendarPrefix() . '-' . $card->getId() . '.ics' === $name;
 			}
 		)) > 0;
 	}

lib/DAV/CalendarObject.php

@@ -36,7 +36,7 @@ class CalendarObject implements \Sabre\CalDAV\ICalendarObject, \Sabre\DAVACL\IAC
 	/**
 	 * @var Card
 	 */
-	private $card;
+	private $sourceItem;
 
 	/**
 	 * CalendarObject constructor.
@@ -44,10 +44,10 @@ class CalendarObject implements \Sabre\CalDAV\ICalendarObject, \Sabre\DAVACL\IAC
 	 * @param Calendar $calendar
 	 * @param string $name
 	 */
-	public function __construct(Calendar $calendar, string $name, Card $card = null) {
+	public function __construct(Calendar $calendar, string $name, $sourceItem = null) {
 		$this->calendar = $calendar;
 		$this->name = $name;
-		$this->card = $card;
+		$this->sourceItem = $sourceItem;
 	}
 
 	/**
@@ -96,8 +96,8 @@ class CalendarObject implements \Sabre\CalDAV\ICalendarObject, \Sabre\DAVACL\IAC
 	 * @inheritDoc
 	 */
 	function get() {
-		if ($this->card) {
-			return $this->card->getCalendarObject()->serialize();
+		if ($this->sourceItem) {
+			return $this->sourceItem->getCalendarObject()->serialize();
 		}
 	}
 
@@ -147,6 +147,6 @@ class CalendarObject implements \Sabre\CalDAV\ICalendarObject, \Sabre\DAVACL\IAC
 	 * @inheritDoc
 	 */
 	function getLastModified() {
-		return $this->card->getLastModified();
+		return $this->sourceItem->getLastModified();
 	}
 }

lib/Db/Card.php

@@ -121,14 +121,32 @@ class Card extends RelationalEntity {
 
 	public function getCalendarObject(): VCalendar {
 		$calendar = new VCalendar();
-		$event = $calendar->createComponent('VEVENT');
-		$event->UID = 'deck-cardevent' . $this->getId() . '@example.com';
+		$event = $calendar->createComponent('VTODO');
+		$event->UID = 'deck-card-' . $this->getId();
 		$event->DTSTAMP = new \DateTime($this->getDuedate());
 		$event->DTSTART = new \DateTime($this->getDuedate());
 		$event->DTEND = new \DateTime($this->getDuedate());
+		$event->add('RELATED-TO', 'deck-stack-' . $this->getStackId());
+
+		// For write support: CANCELLED / IN-PROCESS handling
+		$event->STATUS = $this->getArchived() ? "COMPLETED" : "NEEDS-ACTION";
+		if ($this->getArchived()) {
+			$date = new DateTime();
+			$date->setTimestamp($this->getLastModified());
+			$event->COMPLETED = $date;
+		}
+		if (count($this->getLabels()) > 0) {
+			$event->CATEGORIES = array_map(function ($label) {
+				return $label->getTitle();
+			}, $this->getLabels());
+		}
 		$event->SUMMARY = $this->getTitle();
 		$calendar->add($event);
 		return $calendar;
 	}
 
+	public function getCalendarPrefix(): string {
+		return 'card';
+	}
+
 }

lib/Db/CardMapper.php

@@ -175,9 +175,7 @@ class CardMapper extends QBMapper implements IPermissionMapper {
 			->from('deck_cards', 'c')
 			->join('c', 'deck_stacks', 's', 's.id = c.stack_id')
 			->where($qb->expr()->eq('s.board_id', $qb->createNamedParameter($boardId)))
-			->andWhere($qb->expr()->neq('c.archived', $qb->createNamedParameter(true)))
 			->andWhere($qb->expr()->eq('c.deleted_at', $qb->createNamedParameter('0')))
-			->andWhere($qb->expr()->isNotNull('c.duedate'))
 			->orderBy('c.duedate')
 			->setMaxResults($limit)
 			->setFirstResult($offset);

lib/Db/Stack.php

@@ -23,6 +23,8 @@
 
 namespace OCA\Deck\Db;
 
+use Sabre\VObject\Component\VCalendar;
+
 class Stack extends RelationalEntity {
 	protected $title;
 	protected $boardId;
@@ -50,4 +52,18 @@ class Stack extends RelationalEntity {
 		}
 		return $json;
 	}
+
+	public function getCalendarObject(): VCalendar {
+		$calendar = new VCalendar();
+		$event = $calendar->createComponent('VTODO');
+		$event->UID = 'deck-stack-' . $this->getId();
+		$event->SUMMARY = '[Stack]: ' . $this->getTitle();
+		$calendar->add($event);
+		return $calendar;
+	}
+
+	public function getCalendarPrefix(): string {
+		return 'stack';
+	}
+
 }

lib/Service/CardService.php

@@ -146,8 +146,11 @@ class CardService {
 
 	public function findCalendarEntries($boardId) {
 		$this->permissionService->checkPermission($this->boardMapper, $boardId, Acl::PERMISSION_READ);
-
-		return $this->cardMapper->findCalendarEntries($boardId);
+		$cards = $this->cardMapper->findCalendarEntries($boardId);
+		foreach ($cards as $card) {
+			$this->enrich($card);
+		}
+		return $cards;
 	}
 
 	/**

lib/Service/StackService.php

@@ -146,6 +146,11 @@ class StackService {
 		return $stacks;
 	}
 
+	public function findCalendarEntries($boardId) {
+		$this->permissionService->checkPermission(null, $boardId, Acl::PERMISSION_READ);
+		return $this->stackMapper->findAll($boardId);
+	}
+
 	public function fetchDeleted($boardId) {
 		$this->permissionService->checkPermission($this->boardMapper, $boardId, Acl::PERMISSION_READ);
 		$stacks = $this->stackMapper->findDeleted($boardId);