migrate therinaldos.com data

wedding-pics/apps/contactsinteraction/lib/AddressBook.php

@@ -0,0 +1,169 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\ContactsInteraction;
+
+use Exception;
+use OCA\ContactsInteraction\AppInfo\Application;
+use OCA\ContactsInteraction\Db\RecentContact;
+use OCA\ContactsInteraction\Db\RecentContactMapper;
+use OCA\DAV\CardDAV\Integration\ExternalAddressBook;
+use OCA\DAV\DAV\Sharing\Plugin;
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\IL10N;
+use Sabre\DAV\Exception\NotFound;
+use Sabre\DAV\PropPatch;
+use Sabre\DAVACL\ACLTrait;
+use Sabre\DAVACL\IACL;
+
+class AddressBook extends ExternalAddressBook implements IACL {
+	use ACLTrait;
+
+	public const URI = 'recent';
+
+	public function __construct(
+		private RecentContactMapper $mapper,
+		private IL10N $l10n,
+		private string $principalUri,
+	) {
+		parent::__construct(Application::APP_ID, self::URI);
+	}
+
+	/**
+	 * @inheritDoc
+	 * @throws Exception
+	 */
+	public function delete(): void {
+		throw new Exception("This addressbook is immutable");
+	}
+
+	/**
+	 * @inheritDoc
+	 * @throws Exception
+	 */
+	public function createFile($name, $data = null) {
+		throw new Exception("This addressbook is immutable");
+	}
+
+	/**
+	 * @inheritDoc
+	 * @throws NotFound
+	 */
+	public function getChild($name): Card {
+		try {
+			return new Card(
+				$this->mapper->find(
+					$this->getUid(),
+					(int)$name
+				),
+				$this->principalUri,
+				$this->getACL()
+			);
+		} catch (DoesNotExistException $ex) {
+			throw new NotFound("Contact does not exist: " . $ex->getMessage(), 0, $ex);
+		}
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getChildren(): array {
+		return array_map(
+			function (RecentContact $contact) {
+				return new Card(
+					$contact,
+					$this->principalUri,
+					$this->getACL()
+				);
+			},
+			$this->mapper->findAll($this->getUid())
+		);
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function childExists($name): bool {
+		try {
+			$this->mapper->find(
+				$this->getUid(),
+				(int)$name
+			);
+			return true;
+		} catch (DoesNotExistException $e) {
+			return false;
+		}
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getLastModified(): ?int {
+		return $this->mapper->findLastUpdatedForUserId($this->getUid());
+	}
+
+	/**
+	 * @inheritDoc
+	 * @throws Exception
+	 */
+	public function propPatch(PropPatch $propPatch) {
+		throw new Exception("This addressbook is immutable");
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getProperties($properties): array {
+		return [
+			'principaluri' => $this->principalUri,
+			'{DAV:}displayname' => $this->l10n->t('Recently contacted'),
+			'{' . Plugin::NS_OWNCLOUD . '}read-only' => true,
+			'{' . \OCA\DAV\CalDAV\Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($this->getLastModified() ?? 0),
+		];
+	}
+
+	public function getOwner(): string {
+		return $this->principalUri;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getACL(): array {
+		return [
+			[
+				'privilege' => '{DAV:}read',
+				'principal' => $this->getOwner(),
+				'protected' => true,
+			],
+		];
+	}
+
+	private function getUid(): string {
+		[, $uid] = \Sabre\Uri\split($this->principalUri);
+		return $uid;
+	}
+}

wedding-pics/apps/contactsinteraction/lib/AddressBookProvider.php

@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\ContactsInteraction;
+
+use OCA\ContactsInteraction\AppInfo\Application;
+use OCA\ContactsInteraction\Db\RecentContactMapper;
+use OCA\DAV\CardDAV\Integration\ExternalAddressBook;
+use OCA\DAV\CardDAV\Integration\IAddressBookProvider;
+use OCP\IL10N;
+
+class AddressBookProvider implements IAddressBookProvider {
+
+	public function __construct(
+		private RecentContactMapper $mapper,
+		private IL10N $l10n,
+	) {
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getAppId(): string {
+		return Application::APP_ID;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function fetchAllForAddressBookHome(string $principalUri): array {
+		return [
+			new AddressBook($this->mapper, $this->l10n, $principalUri)
+		];
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function hasAddressBookInAddressBookHome(string $principalUri, string $uri): bool {
+		return $uri === AddressBook::URI;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getAddressBookInAddressBookHome(string $principalUri, string $uri): ?ExternalAddressBook {
+		if ($uri === AddressBook::URI) {
+			return new AddressBook($this->mapper, $this->l10n, $principalUri);
+		}
+
+		return null;
+	}
+}

wedding-pics/apps/contactsinteraction/lib/AppInfo/Application.php

@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\ContactsInteraction\AppInfo;
+
+use OCA\ContactsInteraction\Listeners\ContactInteractionListener;
+use OCP\AppFramework\App;
+use OCP\AppFramework\Bootstrap\IBootContext;
+use OCP\AppFramework\Bootstrap\IBootstrap;
+use OCP\AppFramework\Bootstrap\IRegistrationContext;
+use OCP\Contacts\Events\ContactInteractedWithEvent;
+
+class Application extends App implements IBootstrap {
+	public const APP_ID = 'contactsinteraction';
+
+	public function __construct() {
+		parent::__construct(self::APP_ID);
+	}
+
+	public function register(IRegistrationContext $context): void {
+		$context->registerEventListener(ContactInteractedWithEvent::class, ContactInteractionListener::class);
+	}
+
+	public function boot(IBootContext $context): void {
+	}
+}

wedding-pics/apps/contactsinteraction/lib/BackgroundJob/CleanupJob.php

@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\ContactsInteraction\BackgroundJob;
+
+use OCA\ContactsInteraction\Db\RecentContactMapper;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\BackgroundJob\IJob;
+use OCP\BackgroundJob\TimedJob;
+
+class CleanupJob extends TimedJob {
+
+	public function __construct(
+		ITimeFactory $time,
+		private RecentContactMapper $mapper,
+	) {
+		parent::__construct($time);
+
+		$this->setInterval(24 * 60 * 60);
+		$this->setTimeSensitivity(IJob::TIME_INSENSITIVE);
+
+	}
+
+	protected function run(mixed $argument): void {
+		$time = $this->time->getDateTime();
+		$time->modify('-7days');
+		$this->mapper->cleanUp($time->getTimestamp());
+	}
+}

wedding-pics/apps/contactsinteraction/lib/Card.php

@@ -0,0 +1,129 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\ContactsInteraction;
+
+use OCA\ContactsInteraction\Db\RecentContact;
+use Sabre\CardDAV\ICard;
+use Sabre\DAV\Exception\NotImplemented;
+use Sabre\DAVACL\ACLTrait;
+use Sabre\DAVACL\IACL;
+
+class Card implements ICard, IACL {
+	use ACLTrait;
+
+	public function __construct(
+		private RecentContact $contact,
+		private string $principal,
+		private array $acls,
+	) {
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getOwner(): ?string {
+		return $this->principal;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getACL(): array {
+		return $this->acls;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function setAcls(array $acls): void {
+		throw new NotImplemented();
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function put($data): ?string {
+		throw new NotImplemented();
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function get(): string {
+		return $this->contact->getCard();
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getContentType(): ?string {
+		return 'text/vcard; charset=utf-8';
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getETag(): ?string {
+		return '"' . md5((string) $this->getLastModified()) . '"';
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getSize(): int {
+		throw new NotImplemented();
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function delete(): void {
+		throw new NotImplemented();
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getName(): string {
+		return (string) $this->contact->getId();
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function setName($name): void {
+		throw new NotImplemented();
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getLastModified(): ?int {
+		return $this->contact->getLastContact();
+	}
+}

wedding-pics/apps/contactsinteraction/lib/Db/CardSearchDao.php

@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\ContactsInteraction\Db;
+
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+use OCP\IUser;
+use function is_resource;
+use function stream_get_contents;
+
+class CardSearchDao {
+	private IDBConnection $db;
+
+	public function __construct(IDBConnection $db) {
+		$this->db = $db;
+	}
+
+	public function findExisting(IUser $user,
+		?string $uid,
+		?string $email,
+		?string $cloudId): ?string {
+		$addressbooksQuery = $this->db->getQueryBuilder();
+		$cardQuery = $this->db->getQueryBuilder();
+		$propQuery = $this->db->getQueryBuilder();
+
+		$propOr = $propQuery->expr()->orX();
+		if ($uid !== null) {
+			$propOr->add($propQuery->expr()->andX(
+				$propQuery->expr()->eq('name', $cardQuery->createNamedParameter('UID')),
+				$propQuery->expr()->eq('value', $cardQuery->createNamedParameter($uid))
+			));
+		}
+		if ($email !== null) {
+			$propOr->add($propQuery->expr()->andX(
+				$propQuery->expr()->eq('name', $cardQuery->createNamedParameter('EMAIL')),
+				$propQuery->expr()->eq('value', $cardQuery->createNamedParameter($email))
+			));
+		}
+		if ($cloudId !== null) {
+			$propOr->add($propQuery->expr()->andX(
+				$propQuery->expr()->eq('name', $cardQuery->createNamedParameter('CLOUD')),
+				$propQuery->expr()->eq('value', $cardQuery->createNamedParameter($cloudId))
+			));
+		}
+		$addressbooksQuery->selectDistinct('id')
+			->from('addressbooks')
+			->where($addressbooksQuery->expr()->eq('principaluri', $cardQuery->createNamedParameter("principals/users/" . $user->getUID())));
+		$propQuery->selectDistinct('cardid')
+			->from('cards_properties')
+			->where($propQuery->expr()->in('addressbookid', $propQuery->createFunction($addressbooksQuery->getSQL()), IQueryBuilder::PARAM_INT_ARRAY))
+			->andWhere($propOr)
+			->groupBy('cardid');
+		$cardQuery->select('carddata')
+			->from('cards')
+			->where($cardQuery->expr()->in('id', $cardQuery->createFunction($propQuery->getSQL()), IQueryBuilder::PARAM_INT_ARRAY))
+			->andWhere($cardQuery->expr()->in('addressbookid', $cardQuery->createFunction($addressbooksQuery->getSQL()), IQueryBuilder::PARAM_INT_ARRAY))
+			->setMaxResults(1);
+		$result = $cardQuery->execute();
+		/** @var string|resource|false $card */
+		$card = $result->fetchOne();
+
+		if ($card === false) {
+			return null;
+		}
+		if (is_resource($card)) {
+			return stream_get_contents($card);
+		}
+
+		return $card;
+	}
+}

wedding-pics/apps/contactsinteraction/lib/Db/RecentContact.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\ContactsInteraction\Db;
+
+use OCP\AppFramework\Db\Entity;
+
+/**
+ * @method void setActorUid(string $uid)
+ * @method string|null getActorUid()
+ * @method void setUid(string $uid)
+ * @method string|null getUid()
+ * @method void setEmail(string $email)
+ * @method string|null getEmail()
+ * @method void setFederatedCloudId(string $federatedCloudId)
+ * @method string|null getFederatedCloudId()
+ * @method void setCard(string $card)
+ * @method string getCard()
+ * @method void setLastContact(int $lastContact)
+ * @method int getLastContact()
+ */
+class RecentContact extends Entity {
+	protected string $actorUid = '';
+	protected ?string $uid = null;
+	protected ?string $email = null;
+	protected ?string $federatedCloudId = null;
+	protected string $card = '';
+	protected int $lastContact = -1;
+
+	public function __construct() {
+		$this->addType('actorUid', 'string');
+		$this->addType('uid', 'string');
+		$this->addType('email', 'string');
+		$this->addType('federatedCloudId', 'string');
+		$this->addType('card', 'blob');
+		$this->addType('lastContact', 'int');
+	}
+}

wedding-pics/apps/contactsinteraction/lib/Db/RecentContactMapper.php

@@ -0,0 +1,131 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\ContactsInteraction\Db;
+
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\AppFramework\Db\QBMapper;
+use OCP\IDBConnection;
+use OCP\IUser;
+
+/**
+ * @template-extends QBMapper<RecentContact>
+ */
+class RecentContactMapper extends QBMapper {
+	public const TABLE_NAME = 'recent_contact';
+
+	public function __construct(IDBConnection $db) {
+		parent::__construct($db, self::TABLE_NAME);
+	}
+
+	/**
+	 * @return RecentContact[]
+	 */
+	public function findAll(string $uid): array {
+		$qb = $this->db->getQueryBuilder();
+
+		$select = $qb
+			->select('*')
+			->from($this->getTableName())
+			->where($qb->expr()->eq('actor_uid', $qb->createNamedParameter($uid)));
+
+		return $this->findEntities($select);
+	}
+
+	/**
+	 * @throws DoesNotExistException
+	 */
+	public function find(string $uid, int $id): RecentContact {
+		$qb = $this->db->getQueryBuilder();
+
+		$select = $qb
+			->select('*')
+			->from($this->getTableName())
+			->where($qb->expr()->eq('id', $qb->createNamedParameter($id, $qb::PARAM_INT)))
+			->andWhere($qb->expr()->eq('actor_uid', $qb->createNamedParameter($uid)));
+
+		return $this->findEntity($select);
+	}
+
+	/**
+	 * @return RecentContact[]
+	 */
+	public function findMatch(IUser $user,
+		?string $uid,
+		?string $email,
+		?string $cloudId): array {
+		$qb = $this->db->getQueryBuilder();
+
+		$or = $qb->expr()->orX();
+		if ($uid !== null) {
+			$or->add($qb->expr()->eq('uid', $qb->createNamedParameter($uid)));
+		}
+		if ($email !== null) {
+			$or->add($qb->expr()->eq('email', $qb->createNamedParameter($email)));
+		}
+		if ($cloudId !== null) {
+			$or->add($qb->expr()->eq('federated_cloud_id', $qb->createNamedParameter($cloudId)));
+		}
+
+		$select = $qb
+			->select('*')
+			->from($this->getTableName())
+			->where($or)
+			->andWhere($qb->expr()->eq('actor_uid', $qb->createNamedParameter($user->getUID())));
+
+		return $this->findEntities($select);
+	}
+
+	public function findLastUpdatedForUserId(string $uid): ?int {
+		$qb = $this->db->getQueryBuilder();
+
+		$select = $qb
+			->select('last_contact')
+			->from($this->getTableName())
+			->where($qb->expr()->eq('actor_uid', $qb->createNamedParameter($uid)))
+			->orderBy('last_contact', 'DESC')
+			->setMaxResults(1);
+
+		$cursor = $select->executeQuery();
+		$row = $cursor->fetch();
+
+		if ($row === false) {
+			return null;
+		}
+
+		return (int)$row['last_contact'];
+	}
+
+	public function cleanUp(int $olderThan): void {
+		$qb = $this->db->getQueryBuilder();
+
+		$delete = $qb
+			->delete($this->getTableName())
+			->where($qb->expr()->lt('last_contact', $qb->createNamedParameter($olderThan)));
+
+		$delete->executeStatement();
+	}
+}

wedding-pics/apps/contactsinteraction/lib/Listeners/ContactInteractionListener.php

@@ -0,0 +1,148 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\ContactsInteraction\Listeners;
+
+use OCA\ContactsInteraction\Db\CardSearchDao;
+use OCA\ContactsInteraction\Db\RecentContact;
+use OCA\ContactsInteraction\Db\RecentContactMapper;
+use OCP\AppFramework\Db\TTransactional;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Contacts\Events\ContactInteractedWithEvent;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\IDBConnection;
+use OCP\IL10N;
+use OCP\IUserManager;
+use Psr\Log\LoggerInterface;
+use Sabre\VObject\Component\VCard;
+use Sabre\VObject\UUIDUtil;
+
+class ContactInteractionListener implements IEventListener {
+
+	use TTransactional;
+
+	public function __construct(
+		private RecentContactMapper $mapper,
+		private CardSearchDao $cardSearchDao,
+		private IUserManager $userManager,
+		private IDBConnection $dbConnection,
+		private ITimeFactory $timeFactory,
+		private IL10N $l10n,
+		private LoggerInterface $logger,
+	) {
+	}
+
+	public function handle(Event $event): void {
+		if (!($event instanceof ContactInteractedWithEvent)) {
+			return;
+		}
+
+		if ($event->getUid() === null && $event->getEmail() === null && $event->getFederatedCloudId() === null) {
+			$this->logger->warning("Contact interaction event has no user identifier set");
+			return;
+		}
+
+		if ($event->getUid() !== null && $event->getUid() === $event->getActor()->getUID()) {
+			$this->logger->info("Ignoring contact interaction with self");
+			return;
+		}
+
+		$this->atomic(function () use ($event) {
+			$uid = $event->getUid();
+			$email = $event->getEmail();
+			$federatedCloudId = $event->getFederatedCloudId();
+		
+			$existingContact = $this->cardSearchDao->findExisting(
+				$event->getActor(),
+				$uid,
+				$email,
+				$federatedCloudId);
+			if ($existingContact !== null) {
+				return;
+			}
+
+			$existingRecentlyContacted = $this->mapper->findMatch(
+				$event->getActor(),
+				$uid,
+				$email,
+				$federatedCloudId
+			);
+			if (!empty($existingRecentlyContacted)) {
+				$now = $this->timeFactory->getTime();
+				foreach ($existingRecentlyContacted as $c) {
+					$c->setLastContact($now);
+					$this->mapper->update($c);
+				}
+
+				return;
+			}
+
+			$contact = new RecentContact();
+			$contact->setActorUid($event->getActor()->getUID());
+			if ($uid !== null) {
+				$contact->setUid($uid);
+			}
+			if ($email !== null) {
+				$contact->setEmail($email);
+			}
+			if ($federatedCloudId !== null) {
+				$contact->setFederatedCloudId($federatedCloudId);
+			}
+			$contact->setLastContact($this->timeFactory->getTime());
+			$contact->setCard($this->generateCard($contact));
+
+			$this->mapper->insert($contact);
+		}, $this->dbConnection);
+	}
+
+	private function getDisplayName(?string $uid): ?string {
+		if ($uid === null) {
+			return null;
+		}
+		if (($user = $this->userManager->get($uid)) === null) {
+			return null;
+		}
+
+		return $user->getDisplayName();
+	}
+
+	private function generateCard(RecentContact $contact): string {
+		$props = [
+			'URI' => UUIDUtil::getUUID(),
+			'FN' => $this->getDisplayName($contact->getUid()) ?? $contact->getEmail() ?? $contact->getFederatedCloudId(),
+			'CATEGORIES' => $this->l10n->t('Recently contacted'),
+		];
+
+		if ($contact->getEmail() !== null) {
+			$props['EMAIL'] = $contact->getEmail();
+		}
+		if ($contact->getFederatedCloudId() !== null) {
+			$props['CLOUD'] = $contact->getFederatedCloudId();
+		}
+
+		return (new VCard($props))->serialize();
+	}
+}

wedding-pics/apps/contactsinteraction/lib/Migration/Version010000Date20200304152605.php

@@ -0,0 +1,92 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\ContactsInteraction\Migration;
+
+use Closure;
+use OCA\ContactsInteraction\Db\RecentContactMapper;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version010000Date20200304152605 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 *
+	 * @return ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->createTable(RecentContactMapper::TABLE_NAME);
+		$table->addColumn('id', 'integer', [
+			'autoincrement' => true,
+			'notnull' => true,
+			'length' => 4,
+		]);
+		$table->addColumn('actor_uid', 'string', [
+			'notnull' => true,
+			'length' => 64,
+		]);
+		$table->addColumn('uid', 'string', [
+			'notnull' => false,
+			'length' => 64,
+		]);
+		$table->addColumn('email', 'string', [
+			'notnull' => false,
+			'length' => 255,
+		]);
+		$table->addColumn('federated_cloud_id', 'string', [
+			'notnull' => false,
+			'length' => 255,
+		]);
+		$table->addColumn('card', 'blob', [
+			'notnull' => true,
+		]);
+		$table->addColumn('last_contact', 'integer', [
+			'notnull' => true,
+			'length' => 4,
+		]);
+		$table->setPrimaryKey(['id']);
+		// To find all recent entries
+		$table->addIndex(['actor_uid'], RecentContactMapper::TABLE_NAME . '_actor_uid');
+		// To find a specific entry
+		$table->addIndex(['id', 'actor_uid'], RecentContactMapper::TABLE_NAME . '_id_uid');
+		// To find all recent entries with a given UID
+		$table->addIndex(['uid'], RecentContactMapper::TABLE_NAME . '_uid');
+		// To find all recent entries with a given email address
+		$table->addIndex(['email'], RecentContactMapper::TABLE_NAME . '_email');
+		// To find all recent entries with a give federated cloud id
+		$table->addIndex(['federated_cloud_id'], RecentContactMapper::TABLE_NAME . '_fed_id');
+		// For the cleanup
+		$table->addIndex(['last_contact'], RecentContactMapper::TABLE_NAME . '_last_contact');
+
+		return $schema;
+	}
+}