Provide links to calendar in event creation/update activities

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

4 files changed, 91 insertions, 53 deletions

diff --git a/apps/dav/lib/CalDAV/Activity/Backend.php b/apps/dav/lib/CalDAV/Activity/Backend.php
index 4ca5ad17aeb..8daa9d2409f 100644
--- a/apps/dav/lib/CalDAV/Activity/Backend.php
+++ b/apps/dav/lib/CalDAV/Activity/Backend.php
@@ -30,6 +30,7 @@ use OCA\DAV\CalDAV\Activity\Provider\Event;
 use OCA\DAV\CalDAV\CalDavBackend;
 use OCP\Activity\IEvent;
 use OCP\Activity\IManager as IActivityManager;
+use OCP\App\IAppManager;
 use OCP\IGroup;
 use OCP\IGroupManager;
 use OCP\IUser;
@@ -52,15 +53,14 @@ class Backend {
 	/** @var IUserSession */
 	protected $userSession;
 
-	/**
-	 * @param IActivityManager $activityManager
-	 * @param IGroupManager $groupManager
-	 * @param IUserSession $userSession
-	 */
-	public function __construct(IActivityManager $activityManager, IGroupManager $groupManager, IUserSession $userSession) {
+	/** @var IAppManager */
+	protected $appManager;
+
+	public function __construct(IActivityManager $activityManager, IGroupManager $groupManager, IUserSession $userSession, IAppManager $appManager) {
 		$this->activityManager = $activityManager;
 		$this->groupManager = $groupManager;
 		$this->userSession = $userSession;
+		$this->appManager = $appManager;
 	}
 
 	/**
@@ -435,29 +435,40 @@ class Backend {
 		$users = $this->getUsersForShares($shares);
 		$users[] = $owner;
 
-		foreach ($users as $user) {
+		// Users for share can return the owner itself if the calendar is published
+		foreach (array_unique($users) as $user) {
 			if ($classification === CalDavBackend::CLASSIFICATION_PRIVATE && $user !== $owner) {
 				// Private events are only shown to the owner
 				continue;
 			}
 
+			$params = [
+				'actor' => $event->getAuthor(),
+				'calendar' => [
+					'id' => (int) $calendarData['id'],
+					'uri' => $calendarData['uri'],
+					'name' => $calendarData['{DAV:}displayname'],
+				],
+				'object' => [
+					'id' => $object['id'],
+					'name' => $classification === CalDavBackend::CLASSIFICATION_CONFIDENTIAL && $user !== $owner ? 'Busy' : $object['name'],
+					'classified' => $classification === CalDavBackend::CLASSIFICATION_CONFIDENTIAL && $user !== $owner,
+				],
+			];
+
+			if ($object['type'] === 'event' && strpos($action, Event::SUBJECT_OBJECT_DELETE) === false && $this->appManager->isEnabledForUser('calendar')) {
+				$params['object']['link']['object_uri'] = $objectData['uri'];
+				$params['object']['link']['calendar_uri'] = $calendarData['uri'];
+				$params['object']['link']['owner'] = $owner;
+			}
+
+
 			$event->setAffectedUser($user)
 				->setSubject(
 					$user === $currentUser ? $action . '_self' : $action,
-					[
-						'actor' => $event->getAuthor(),
-						'calendar' => [
-							'id' => (int) $calendarData['id'],
-							'uri' => $calendarData['uri'],
-							'name' => $calendarData['{DAV:}displayname'],
-						],
-						'object' => [
-							'id' => $object['id'],
-							'name' => $classification === CalDavBackend::CLASSIFICATION_CONFIDENTIAL && $user !== $owner ? 'Busy' : $object['name'],
-							'classified' => $classification === CalDavBackend::CLASSIFICATION_CONFIDENTIAL && $user !== $owner,
-						],
-					]
+					$params
 				);
+
 			$this->activityManager->publish($event);
 		}
 	}
@@ -496,11 +507,11 @@ class Backend {
 	protected function getUsersForShares(array $shares) {
 		$users = $groups = [];
 		foreach ($shares as $share) {
-			$prinical = explode('/', $share['{http://owncloud.org/ns}principal']);
-			if ($prinical[1] === 'users') {
-				$users[] = $prinical[2];
-			} elseif ($prinical[1] === 'groups') {
-				$groups[] = $prinical[2];
+			$principal = explode('/', $share['{http://owncloud.org/ns}principal']);
+			if ($principal[1] === 'users') {
+				$users[] = $principal[2];
+			} elseif ($principal[1] === 'groups') {
+				$groups[] = $principal[2];
 			}
 		}
 
diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Base.php b/apps/dav/lib/CalDAV/Activity/Provider/Base.php
index 00ad1aec594..bc6e7a6cca0 100644
--- a/apps/dav/lib/CalDAV/Activity/Provider/Base.php
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Base.php
@@ -3,6 +3,7 @@
  * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
  *
  * @author Joas Schilling <coding@schilljs.com>
+ * @author Thomas Citharel <nextcloud@tcit.fr>
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -29,6 +30,7 @@ use OCP\Activity\IProvider;
 use OCP\IGroup;
 use OCP\IGroupManager;
 use OCP\IL10N;
+use OCP\IURLGenerator;
 use OCP\IUser;
 use OCP\IUserManager;
 
@@ -46,13 +48,18 @@ abstract class Base implements IProvider {
 	/** @var string[] */
 	protected $groupDisplayNames = [];
 
+	/** @var IURLGenerator */
+	protected $url;
+
 	/**
 	 * @param IUserManager $userManager
 	 * @param IGroupManager $groupManager
+	 * @param IURLGenerator $urlGenerator
 	 */
-	public function __construct(IUserManager $userManager, IGroupManager $groupManager) {
+	public function __construct(IUserManager $userManager, IGroupManager $groupManager, IURLGenerator $urlGenerator) {
 		$this->userManager = $userManager;
 		$this->groupManager = $groupManager;
+		$this->url = $urlGenerator;
 	}
 
 	/**
@@ -72,22 +79,6 @@ abstract class Base implements IProvider {
 	}
 
 	/**
-	 * @param array $eventData
-	 * @return array
-	 */
-	protected function generateObjectParameter($eventData) {
-		if (!is_array($eventData) || !isset($eventData['id']) || !isset($eventData['name'])) {
-			throw new \InvalidArgumentException();
-		}
-
-		return [
-			'type' => 'calendar-event',
-			'id' => $eventData['id'],
-			'name' => $eventData['name'],
-		];
-	}
-
-	/**
 	 * @param array $data
 	 * @param IL10N $l
 	 * @return array
diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php b/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php
index ee0d6144c92..61f100733a3 100644
--- a/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php
@@ -52,9 +52,6 @@ class Calendar extends Base {
 	/** @var IL10N */
 	protected $l;
 
-	/** @var IURLGenerator */
-	protected $url;
-
 	/** @var IManager */
 	protected $activityManager;
 
@@ -70,9 +67,8 @@ class Calendar extends Base {
 	 * @param IEventMerger $eventMerger
 	 */
 	public function __construct(IFactory $languageFactory, IURLGenerator $url, IManager $activityManager, IUserManager $userManager, IGroupManager $groupManager, IEventMerger $eventMerger) {
-		parent::__construct($userManager, $groupManager);
+		parent::__construct($userManager, $groupManager, $url);
 		$this->languageFactory = $languageFactory;
-		$this->url = $url;
 		$this->activityManager = $activityManager;
 		$this->eventMerger = $eventMerger;
 	}
diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Event.php b/apps/dav/lib/CalDAV/Activity/Provider/Event.php
index 9ca0727fab7..8e04543379d 100644
--- a/apps/dav/lib/CalDAV/Activity/Provider/Event.php
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Event.php
@@ -4,6 +4,7 @@
  *
  * @author Joas Schilling <coding@schilljs.com>
  * @author Julius Härtl <jus@bitgrid.net>
+ * @author Thomas Citharel <nextcloud@tcit.fr>
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -24,9 +25,11 @@
 
 namespace OCA\DAV\CalDAV\Activity\Provider;
 
+use OC_App;
 use OCP\Activity\IEvent;
 use OCP\Activity\IEventMerger;
 use OCP\Activity\IManager;
+use OCP\App\IAppManager;
 use OCP\IGroupManager;
 use OCP\IL10N;
 use OCP\IURLGenerator;
@@ -44,15 +47,15 @@ class Event extends Base {
 	/** @var IL10N */
 	protected $l;
 
-	/** @var IURLGenerator */
-	protected $url;
-
 	/** @var IManager */
 	protected $activityManager;
 
 	/** @var IEventMerger */
 	protected $eventMerger;
 
+	/** @var IAppManager */
+	protected $appManager;
+
 	/**
 	 * @param IFactory $languageFactory
 	 * @param IURLGenerator $url
@@ -60,13 +63,50 @@ class Event extends Base {
 	 * @param IUserManager $userManager
 	 * @param IGroupManager $groupManager
 	 * @param IEventMerger $eventMerger
+	 * @param IAppManager $appManager
 	 */
-	public function __construct(IFactory $languageFactory, IURLGenerator $url, IManager $activityManager, IUserManager $userManager, IGroupManager $groupManager, IEventMerger $eventMerger) {
-		parent::__construct($userManager, $groupManager);
+	public function __construct(IFactory $languageFactory, IURLGenerator $url, IManager $activityManager, IUserManager $userManager, IGroupManager $groupManager, IEventMerger $eventMerger, IAppManager $appManager) {
+		parent::__construct($userManager, $groupManager, $url);
 		$this->languageFactory = $languageFactory;
-		$this->url = $url;
 		$this->activityManager = $activityManager;
 		$this->eventMerger = $eventMerger;
+		$this->appManager = $appManager;
+	}
+
+	/**
+	 * @param array $eventData
+	 * @return array
+	 */
+	protected function generateObjectParameter(array $eventData) {
+		if (!isset($eventData['id']) || !isset($eventData['name'])) {
+			throw new \InvalidArgumentException();
+		}
+
+		$params = [
+			'type' => 'calendar-event',
+			'id' => $eventData['id'],
+			'name' => $eventData['name'],
+
+		];
+		if (isset($eventData['link']) && is_array($eventData['link']) && $this->appManager->isEnabledForUser('calendar')) {
+			try {
+				// The calendar app needs to be manually loaded for the routes to be loaded
+				OC_App::loadApp('calendar');
+				$linkData = $eventData['link'];
+				$objectId = base64_encode('/remote.php/dav/calendars/' . $linkData['owner'] . '/' . $linkData['calendar_uri'] . '/' . $linkData['object_uri']);
+				$link = [
+					'view' => 'dayGridMonth',
+					'timeRange' => 'now',
+					'mode' => 'sidebar',
+					'objectId' => $objectId,
+					'recurrenceId' => 'next'
+				];
+				$params['link'] = $this->url->linkToRouteAbsolute('calendar.view.indexview.timerange.edit', $link);
+			} catch (\Exception $error) {
+				// Do nothing
+			}
+		}
+		return $params;
 	}
 
 	/**