feat(search): allow date and recipient search

lib/AppInfo/Application.php

@@ -70,6 +70,7 @@
 use OCA\Mail\Listener\SpamReportListener;
 use OCA\Mail\Listener\UserDeletedListener;
 use OCA\Mail\Notification\Notifier;
+use OCA\Mail\Search\FilteringProvider;
 use OCA\Mail\Search\Provider;
 use OCA\Mail\Service\Attachment\AttachmentService;
 use OCA\Mail\Service\AvatarService;
@@ -86,9 +87,11 @@
 use OCP\AppFramework\Bootstrap\IRegistrationContext;
 use OCP\Dashboard\IAPIWidgetV2;
 use OCP\IServerContainer;
+use OCP\Search\IFilteringProvider;
 use OCP\User\Events\UserDeletedEvent;
 use OCP\Util;
 use Psr\Container\ContainerInterface;
+use function interface_exists;
 
 include_once __DIR__ . '/../../vendor/autoload.php';
 
@@ -150,7 +153,11 @@ public function register(IRegistrationContext $context): void {
 			$context->registerDashboardWidget(UnreadMailWidget::class);
 		}
 
-		$context->registerSearchProvider(Provider::class);
+		if (interface_exists(IFilteringProvider::class)) {
+			$context->registerSearchProvider(FilteringProvider::class);
+		} else {
+			$context->registerSearchProvider(Provider::class);
+		}
 
 		$context->registerNotifierService(Notifier::class);
 

lib/Db/MessageMapper.php

@@ -966,6 +966,18 @@ public function findIdsGloballyByQuery(IUser $user, SearchQuery $query, ?int $li
 			);
 		}
 
+		if (!empty($query->getStart())) {
+			$select->andWhere(
+				$qb->expr()->gte('m.sent_at', $qb->createNamedParameter($query->getStart()), IQueryBuilder::PARAM_INT)
+			);
+		}
+
+		if (!empty($query->getEnd())) {
+			$select->andWhere(
+				$qb->expr()->lte('m.sent_at', $qb->createNamedParameter($query->getEnd()), IQueryBuilder::PARAM_INT)
+			);
+		}
+
 		if ($query->getCursor() !== null) {
 			$select->andWhere(
 				$qb->expr()->lt('m.sent_at', $qb->createNamedParameter($query->getCursor(), IQueryBuilder::PARAM_INT))

lib/Search/FilteringProvider.php

@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * @copyright 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2023 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\Mail\Search;
+
+use DateTimeImmutable;
+use OCP\IUser;
+use OCP\Search\IFilteringProvider;
+use OCP\Search\ISearchQuery;
+use OCP\Search\SearchResult;
+use function implode;
+
+class FilteringProvider extends Provider implements IFilteringProvider {
+
+	public function search(IUser $user, ISearchQuery $query): SearchResult {
+		$filters = [];
+		if ($term = $query->getFilter('term')?->get()) {
+			if (is_string($term)) {
+				$filters[] = "subject:$term";
+			}
+		}
+		if ($since = $query->getFilter('since')?->get()) {
+			if ($since instanceof DateTimeImmutable) {
+				$ts = $since->getTimestamp();
+				$filters[] = "start:$ts";
+			}
+		}
+		if ($until = $query->getFilter('until')?->get()) {
+			if ($until instanceof DateTimeImmutable) {
+				$ts = $until->getTimestamp();
+				$filters[] = "end:$ts";
+			}
+		}
+		if ($userFilter = $query->getFilter('person')?->get()) {
+			if ($userFilter instanceof IUser) {
+				$email = $userFilter->getEMailAddress();
+				if ($email !== null) {
+					$filters[] = "from:$email";
+					$filters[] = "to:$email";
+					$filters[] = "cc:$email";
+				}
+			}
+		}
+
+		if (count($filters) === 0) {
+			return SearchResult::complete(
+				$this->getName(),
+				[]
+			);
+		}
+
+		return $this->searchByFilter($user, $query, implode(' ', $filters));
+	}
+
+	public function getSupportedFilters(): array {
+		return [
+			'term',
+			'since',
+			'until',
+			'person',
+		];
+	}
+
+	public function getAlternateIds(): array {
+		return [];
+	}
+
+	public function getCustomFilters(): array {
+		return [];
+	}
+
+}

lib/Search/Provider.php

@@ -79,11 +79,15 @@ public function getOrder(string $route, array $routeParameters): int {
 	}
 
 	public function search(IUser $user, ISearchQuery $query): SearchResult {
+		return $this->searchByFilter($user, $query, $query->getTerm());
+	}
+
+	protected function searchByFilter(IUser $user, ISearchQuery $query, string $filter): SearchResult {
 		$cursor = $query->getCursor();
 		$messages = $this->mailSearch->findMessagesGlobally(
 			$user,
-			$query->getTerm(),
-			empty($cursor) ? null : ((int) $cursor),
+			$filter,
+			empty($cursor) ? null : ((int)$cursor),
 			$query->getLimit()
 		);
 

psalm.xml

@@ -42,6 +42,7 @@
 				<referencedClass name="Symfony\Component\Console\Input\InputInterface" />
 				<referencedClass name="Symfony\Component\Console\Input\InputOption" />
 				<referencedClass name="Symfony\Component\Console\Output\OutputInterface" />
+				<referencedClass name="OCP\Search\IFilteringProvider" /><!-- 28+ -->
 				<referencedClass name="OCP\TextProcessing\IManager" />
 				<referencedClass name="OCP\TextProcessing\SummaryTaskType" />
 				<referencedClass name="OCP\TextProcessing\Task" />

tests/Unit/Search/FilteringProviderTest.php

@@ -0,0 +1,150 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * @copyright 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2023 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\Mail\Tests\Unit\Search;
+
+use ChristophWurst\Nextcloud\Testing\ServiceMockObject;
+use ChristophWurst\Nextcloud\Testing\TestCase;
+use OCA\Mail\AddressList;
+use OCA\Mail\Db\Message;
+use OCA\Mail\Search\FilteringProvider;
+use OCP\IUser;
+use OCP\Search\IFilter;
+use OCP\Search\IFilteringProvider;
+use OCP\Search\ISearchQuery;
+use function interface_exists;
+
+/**
+ * @covers \OCA\Mail\Search\FilteringProvider
+ */
+class FilteringProviderTest extends TestCase {
+	private ServiceMockObject $serviceMock;
+	private FilteringProvider $provider;
+
+	protected function setUp(): void {
+		parent::setUp();
+
+		if (!interface_exists(IFilteringProvider::class)) {
+			$this->markTestSkipped('Base class missing');
+		}
+
+		$this->serviceMock = $this->createServiceMock(FilteringProvider::class);
+		$this->provider = $this->serviceMock->getService();
+	}
+
+	public function testSearchForTerm(): void {
+		$term = 'spam';
+		$user = $this->createMock(IUser::class);
+		$query = $this->createMock(ISearchQuery::class);
+		$termFilter = $this->createMock(IFilter::class);
+		$termFilter->method('get')->willReturn($term);
+		$query->method('getFilter')->willReturnCallback(function ($filter) use ($termFilter) {
+			return match ($filter) {
+				'term' => $termFilter,
+				default => null,
+			};
+		});
+		$message1 = new Message();
+		$message1->setSubject('This is not spam');
+		$message1->setFrom(AddressList::parse('Sender <sender@domain.tld>'));
+		$this->serviceMock->getParameter('mailSearch')
+			->expects(self::once())
+			->method('findMessagesGlobally')
+			->with(
+				$user,
+				'subject:spam'
+			)
+			->willReturn([
+				$message1,
+			]);
+
+		$result = $this->provider->search(
+			$user,
+			$query,
+		);
+
+		self::assertNotEmpty($result->jsonSerialize()['entries'] ?? []);
+	}
+
+	public function testSearchForUserNoEmail(): void {
+		$user = $this->createMock(IUser::class);
+		$otherUser = $this->createMock(IUser::class);
+		$query = $this->createMock(ISearchQuery::class);
+		$termFilter = $this->createMock(IFilter::class);
+		$termFilter->method('get')->willReturn($otherUser);
+		$query->method('getFilter')->willReturnCallback(function ($filter) use ($termFilter) {
+			return match ($filter) {
+				'person' => $termFilter,
+				default => null,
+			};
+		});
+		$this->serviceMock->getParameter('mailSearch')
+			->expects(self::never())
+			->method('findMessagesGlobally');
+
+		$result = $this->provider->search(
+			$user,
+			$query,
+		);
+
+		self::assertEmpty($result->jsonSerialize()['entries'] ?? []);
+	}
+
+	public function testSearchForUser(): void {
+		$user = $this->createMock(IUser::class);
+		$otherUser = $this->createMock(IUser::class);
+		$otherUser->method('getEMailAddress')->willReturn('other@domain.tld');
+		$query = $this->createMock(ISearchQuery::class);
+		$userFilter = $this->createMock(IFilter::class);
+		$userFilter->method('get')->willReturn($otherUser);
+		$query->method('getFilter')->willReturnCallback(function ($filter) use ($userFilter) {
+			return match ($filter) {
+				'person' => $userFilter,
+				default => null,
+			};
+		});
+		$message1 = new Message();
+		$message1->setSubject('This is not spam');
+		$message1->setFrom(AddressList::parse('Other <other@domain.tld>'));
+		$this->serviceMock->getParameter('mailSearch')
+			->expects(self::once())
+			->method('findMessagesGlobally')
+			->with(
+				$user,
+				"from:other@domain.tld to:other@domain.tld cc:other@domain.tld"
+			)
+			->willReturn([
+				$message1,
+			]);
+
+		$result = $this->provider->search(
+			$user,
+			$query,
+		);
+
+		self::assertNotEmpty($result->jsonSerialize()['entries'] ?? []);
+	}
+
+}

tests/psalm-baseline.xml

@@ -2,6 +2,7 @@
 <files psalm-version="5.14.1@b9d355e0829c397b9b3b47d0c0ed042a8a70284d">
   <file src="lib/AppInfo/Application.php">
     <MissingDependency>
+      <code>FilteringProvider</code>
       <code>ImportantMailWidgetV2</code>
       <code>UnreadMailWidgetV2</code>
     </MissingDependency>