Merge pull request #633 from acelaya-forks/feature/list-filtering-dto

Feature/list filtering dto

CHANGELOG.md

@@ -4,6 +4,29 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com), and this project adheres to [Semantic Versioning](https://semver.org).
 
+## [Unreleased]
+
+#### Added
+
+* *Nothing*
+
+#### Changed
+
+* [#577](https://github.com/shlinkio/shlink/issues/577) Wrapped params used to customize short URL lists into a DTO with implicit validation.
+
+#### Deprecated
+
+* *Nothing*
+
+#### Removed
+
+* *Nothing*
+
+#### Fixed
+
+* *Nothing*
+
+
 ## 2.0.3 - 2020-01-27
 
 #### Added

composer.json

@@ -47,7 +47,7 @@
         "phly/phly-event-dispatcher": "^1.0",
         "predis/predis": "^1.1",
         "pugx/shortid-php": "^0.5",
-        "shlinkio/shlink-common": "^2.5",
+        "shlinkio/shlink-common": "dev-master#e6658205370260df72f295df15364ac569ff702c as 2.6.0",
         "shlinkio/shlink-event-dispatcher": "^1.3",
         "shlinkio/shlink-installer": "^4.0.1",
         "shlinkio/shlink-ip-geolocation": "^1.3.1",

module/CLI/src/Command/ShortUrl/ListShortUrlsCommand.php

@@ -4,16 +4,17 @@ declare(strict_types=1);
 
 namespace Shlinkio\Shlink\CLI\Command\ShortUrl;
 
-use Cake\Chronos\Chronos;
 use Laminas\Paginator\Paginator;
 use Shlinkio\Shlink\CLI\Command\Util\AbstractWithDateRangeCommand;
 use Shlinkio\Shlink\CLI\Util\ExitCodes;
 use Shlinkio\Shlink\CLI\Util\ShlinkTable;
 use Shlinkio\Shlink\Common\Paginator\Util\PaginatorUtilsTrait;
-use Shlinkio\Shlink\Common\Util\DateRange;
+use Shlinkio\Shlink\Core\Model\ShortUrlsOrdering;
+use Shlinkio\Shlink\Core\Model\ShortUrlsParams;
 use Shlinkio\Shlink\Core\Paginator\Adapter\ShortUrlRepositoryAdapter;
 use Shlinkio\Shlink\Core\Service\ShortUrlServiceInterface;
 use Shlinkio\Shlink\Core\Transformer\ShortUrlDataTransformer;
+use Shlinkio\Shlink\Core\Validation\ShortUrlsParamsInputFilter;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -108,7 +109,14 @@ class ListShortUrlsCommand extends AbstractWithDateRangeCommand
         $orderBy = $this->processOrderBy($input);
 
         do {
-            $result = $this->renderPage($output, $page, $searchTerm, $tags, $showTags, $startDate, $endDate, $orderBy);
+            $result = $this->renderPage($output, $showTags, ShortUrlsParams::fromRawData([
+                ShortUrlsParamsInputFilter::PAGE => $page,
+                ShortUrlsParamsInputFilter::SEARCH_TERM => $searchTerm,
+                ShortUrlsParamsInputFilter::TAGS => $tags,
+                ShortUrlsOrdering::ORDER_BY => $orderBy,
+                ShortUrlsParamsInputFilter::START_DATE => $startDate !== null ? $startDate->toAtomString() : null,
+                ShortUrlsParamsInputFilter::END_DATE => $endDate !== null ? $endDate->toAtomString() : null,
+            ]));
             $page++;
 
             $continue = $this->isLastPage($result)
@@ -122,26 +130,9 @@ class ListShortUrlsCommand extends AbstractWithDateRangeCommand
         return ExitCodes::EXIT_SUCCESS;
     }
 
-    /**
-     * @param string|array|null $orderBy
-     */
-    private function renderPage(
-        OutputInterface $output,
-        int $page,
-        ?string $searchTerm,
-        array $tags,
-        bool $showTags,
-        ?Chronos $startDate,
-        ?Chronos $endDate,
-        $orderBy
-    ): Paginator {
-        $result = $this->shortUrlService->listShortUrls(
-            $page,
-            $searchTerm,
-            $tags,
-            $orderBy,
-            new DateRange($startDate, $endDate),
-        );
+    private function renderPage(OutputInterface $output, bool $showTags, ShortUrlsParams $params): Paginator
+    {
+        $result = $this->shortUrlService->listShortUrls($params);
 
         $headers = ['Short code', 'Short URL', 'Long URL', 'Date created', 'Visits count'];
         if ($showTags) {

module/CLI/test/Command/ShortUrl/ListShortUrlsCommandTest.php

@@ -11,8 +11,8 @@ use PHPUnit\Framework\TestCase;
 use Prophecy\Argument;
 use Prophecy\Prophecy\ObjectProphecy;
 use Shlinkio\Shlink\CLI\Command\ShortUrl\ListShortUrlsCommand;
-use Shlinkio\Shlink\Common\Util\DateRange;
 use Shlinkio\Shlink\Core\Entity\ShortUrl;
+use Shlinkio\Shlink\Core\Model\ShortUrlsParams;
 use Shlinkio\Shlink\Core\Service\ShortUrlServiceInterface;
 use Symfony\Component\Console\Application;
 use Symfony\Component\Console\Tester\CommandTester;
@@ -64,7 +64,7 @@ class ListShortUrlsCommandTest extends TestCase
             $data[] = new ShortUrl('url_' . $i);
         }
 
-        $this->shortUrlService->listShortUrls(1, null, [], null, new DateRange())
+        $this->shortUrlService->listShortUrls(ShortUrlsParams::emptyInstance())
             ->willReturn(new Paginator(new ArrayAdapter($data)))
             ->shouldBeCalledOnce();
 
@@ -85,7 +85,7 @@ class ListShortUrlsCommandTest extends TestCase
     public function passingPageWillMakeListStartOnThatPage(): void
     {
         $page = 5;
-        $this->shortUrlService->listShortUrls($page, null, [], null, new DateRange())
+        $this->shortUrlService->listShortUrls(ShortUrlsParams::fromRawData(['page' => $page]))
             ->willReturn(new Paginator(new ArrayAdapter()))
             ->shouldBeCalledOnce();
 
@@ -96,7 +96,7 @@ class ListShortUrlsCommandTest extends TestCase
     /** @test */
     public function ifTagsFlagIsProvidedTagsColumnIsIncluded(): void
     {
-        $this->shortUrlService->listShortUrls(1, null, [], null, new DateRange())
+        $this->shortUrlService->listShortUrls(ShortUrlsParams::emptyInstance())
             ->willReturn(new Paginator(new ArrayAdapter()))
             ->shouldBeCalledOnce();
 
@@ -115,10 +115,16 @@ class ListShortUrlsCommandTest extends TestCase
         ?int $page,
         ?string $searchTerm,
         array $tags,
-        ?DateRange $dateRange
+        ?string $startDate = null,
+        ?string $endDate = null
     ): void {
-        $listShortUrls = $this->shortUrlService->listShortUrls($page, $searchTerm, $tags, null, $dateRange)
-            ->willReturn(new Paginator(new ArrayAdapter()));
+        $listShortUrls = $this->shortUrlService->listShortUrls(ShortUrlsParams::fromRawData([
+            'page' => $page,
+            'searchTerm' => $searchTerm,
+            'tags' => $tags,
+            'startDate' => $startDate !== null ? Chronos::parse($startDate)->toAtomString() : null,
+            'endDate' => $endDate !== null ? Chronos::parse($endDate)->toAtomString() : null,
+        ]))->willReturn(new Paginator(new ArrayAdapter()));
 
         $this->commandTester->setInputs(['n']);
         $this->commandTester->execute($commandArgs);
@@ -128,36 +134,37 @@ class ListShortUrlsCommandTest extends TestCase
 
     public function provideArgs(): iterable
     {
-        yield [[], 1, null, [], new DateRange()];
-        yield [['--page' => $page = 3], $page, null, [], new DateRange()];
-        yield [['--searchTerm' => $searchTerm = 'search this'], 1, $searchTerm, [], new DateRange()];
+        yield [[], 1, null, []];
+        yield [['--page' => $page = 3], $page, null, []];
+        yield [['--searchTerm' => $searchTerm = 'search this'], 1, $searchTerm, []];
         yield [
             ['--page' => $page = 3, '--searchTerm' => $searchTerm = 'search this', '--tags' => $tags = 'foo,bar'],
             $page,
             $searchTerm,
             explode(',', $tags),
-            new DateRange(),
         ];
         yield [
             ['--startDate' => $startDate = '2019-01-01'],
             1,
             null,
             [],
-            new DateRange(Chronos::parse($startDate)),
+            $startDate,
         ];
         yield [
             ['--endDate' => $endDate = '2020-05-23'],
             1,
             null,
             [],
-            new DateRange(null, Chronos::parse($endDate)),
+            null,
+            $endDate,
         ];
         yield [
             ['--startDate' => $startDate = '2019-01-01', '--endDate' => $endDate = '2020-05-23'],
             1,
             null,
             [],
-            new DateRange(Chronos::parse($startDate), Chronos::parse($endDate)),
+            $startDate,
+            $endDate,
         ];
     }
 
@@ -168,8 +175,9 @@ class ListShortUrlsCommandTest extends TestCase
      */
     public function orderByIsProperlyComputed(array $commandArgs, $expectedOrderBy): void
     {
-        $listShortUrls = $this->shortUrlService->listShortUrls(1, null, [], $expectedOrderBy, new DateRange())
-            ->willReturn(new Paginator(new ArrayAdapter()));
+        $listShortUrls = $this->shortUrlService->listShortUrls(ShortUrlsParams::fromRawData([
+            'orderBy' => $expectedOrderBy,
+        ]))->willReturn(new Paginator(new ArrayAdapter()));
 
         $this->commandTester->setInputs(['n']);
         $this->commandTester->execute($commandArgs);

module/Core/functions/functions.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace Shlinkio\Shlink\Core;
 
+use Cake\Chronos\Chronos;
+use DateTimeInterface;
 use PUGX\Shortid\Factory as ShortIdFactory;
 
 function generateRandomShortCode(int $length = 5): string
@@ -16,3 +18,24 @@ function generateRandomShortCode(int $length = 5): string
     $alphabet = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
     return $shortIdFactory->generate($length, $alphabet)->serialize();
 }
+
+function parseDateFromQuery(array $query, string $dateName): ?Chronos
+{
+    return ! isset($query[$dateName]) || empty($query[$dateName]) ? null : Chronos::parse($query[$dateName]);
+}
+
+/**
+ * @param string|DateTimeInterface|Chronos|null $date
+ */
+function parseDateField($date): ?Chronos
+{
+    if ($date === null || $date instanceof Chronos) {
+        return $date;
+    }
+
+    if ($date instanceof DateTimeInterface) {
+        return Chronos::instance($date);
+    }
+
+    return Chronos::parse($date);
+}

module/Core/src/Model/ShortUrlMeta.php

@@ -5,11 +5,11 @@ declare(strict_types=1);
 namespace Shlinkio\Shlink\Core\Model;
 
 use Cake\Chronos\Chronos;
-use DateTimeInterface;
 use Shlinkio\Shlink\Core\Exception\ValidationException;
 use Shlinkio\Shlink\Core\Validation\ShortUrlMetaInputFilter;
 
 use function array_key_exists;
+use function Shlinkio\Shlink\Core\parseDateField;
 
 final class ShortUrlMeta
 {
@@ -34,30 +34,28 @@ final class ShortUrlMeta
     }
 
     /**
-     * @param array $data
      * @throws ValidationException
      */
     public static function fromRawData(array $data): self
     {
         $instance = new self();
-        $instance->validate($data);
+        $instance->validateAndInit($data);
         return $instance;
     }
 
     /**
-     * @param array $data
      * @throws ValidationException
      */
-    private function validate(array $data): void
+    private function validateAndInit(array $data): void
     {
         $inputFilter = new ShortUrlMetaInputFilter($data);
         if (! $inputFilter->isValid()) {
             throw ValidationException::fromInputFilter($inputFilter);
         }
 
-        $this->validSince = $this->parseDateField($inputFilter->getValue(ShortUrlMetaInputFilter::VALID_SINCE));
+        $this->validSince = parseDateField($inputFilter->getValue(ShortUrlMetaInputFilter::VALID_SINCE));
         $this->validSincePropWasProvided = array_key_exists(ShortUrlMetaInputFilter::VALID_SINCE, $data);
-        $this->validUntil = $this->parseDateField($inputFilter->getValue(ShortUrlMetaInputFilter::VALID_UNTIL));
+        $this->validUntil = parseDateField($inputFilter->getValue(ShortUrlMetaInputFilter::VALID_UNTIL));
         $this->validUntilPropWasProvided = array_key_exists(ShortUrlMetaInputFilter::VALID_UNTIL, $data);
         $this->customSlug = $inputFilter->getValue(ShortUrlMetaInputFilter::CUSTOM_SLUG);
         $maxVisits = $inputFilter->getValue(ShortUrlMetaInputFilter::MAX_VISITS);
@@ -67,22 +65,6 @@ final class ShortUrlMeta
         $this->domain = $inputFilter->getValue(ShortUrlMetaInputFilter::DOMAIN);
     }
 
-    /**
-     * @param string|DateTimeInterface|Chronos|null $date
-     */
-    private function parseDateField($date): ?Chronos
-    {
-        if ($date === null || $date instanceof Chronos) {
-            return $date;
-        }
-
-        if ($date instanceof DateTimeInterface) {
-            return Chronos::instance($date);
-        }
-
-        return Chronos::parse($date);
-    }
-
     public function getValidSince(): ?Chronos
     {
         return $this->validSince;

module/Core/src/Model/ShortUrlsOrdering.php

@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\Model;
+
+use Shlinkio\Shlink\Core\Exception\ValidationException;
+
+use function is_array;
+use function is_string;
+use function key;
+
+final class ShortUrlsOrdering
+{
+    public const ORDER_BY = 'orderBy';
+    private const DEFAULT_ORDER_DIRECTION = 'ASC';
+
+    private ?string $orderField = null;
+    private string $orderDirection = self::DEFAULT_ORDER_DIRECTION;
+
+    /**
+     * @throws ValidationException
+     */
+    public static function fromRawData(array $query): self
+    {
+        $instance = new self();
+        $instance->validateAndInit($query);
+
+        return $instance;
+    }
+
+    /**
+     * @throws ValidationException
+     */
+    private function validateAndInit(array $data): void
+    {
+        /** @var string|array|null $orderBy */
+        $orderBy = $data[self::ORDER_BY] ?? null;
+        if ($orderBy === null) {
+            return;
+        }
+
+        $isArray = is_array($orderBy);
+        if (! $isArray && $orderBy !== null && ! is_string($orderBy)) {
+            throw ValidationException::fromArray([
+                'orderBy' => '"Order by" must be an array, string or null',
+            ]);
+        }
+
+        $this->orderField = $isArray ? key($orderBy) : $orderBy;
+        $this->orderDirection = $isArray ? $orderBy[$this->orderField] : self::DEFAULT_ORDER_DIRECTION;
+    }
+
+    public function orderField(): ?string
+    {
+        return $this->orderField;
+    }
+
+    public function orderDirection(): string
+    {
+        return $this->orderDirection;
+    }
+
+    public function hasOrderField(): bool
+    {
+        return $this->orderField !== null;
+    }
+}

module/Core/src/Model/ShortUrlsParams.php

@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\Model;
+
+use Shlinkio\Shlink\Common\Util\DateRange;
+use Shlinkio\Shlink\Core\Exception\ValidationException;
+use Shlinkio\Shlink\Core\Validation\ShortUrlsParamsInputFilter;
+
+use function Shlinkio\Shlink\Core\parseDateField;
+
+final class ShortUrlsParams
+{
+    private int $page;
+    private ?string $searchTerm;
+    private array $tags;
+    private ShortUrlsOrdering $orderBy;
+    private ?DateRange $dateRange;
+
+    private function __construct()
+    {
+    }
+
+    public static function emptyInstance(): self
+    {
+        return self::fromRawData([]);
+    }
+
+    /**
+     * @throws ValidationException
+     */
+    public static function fromRawData(array $query): self
+    {
+        $instance = new self();
+        $instance->validateAndInit($query);
+
+        return $instance;
+    }
+
+    /**
+     * @throws ValidationException
+     */
+    private function validateAndInit(array $query): void
+    {
+        $inputFilter = new ShortUrlsParamsInputFilter($query);
+        if (! $inputFilter->isValid()) {
+            throw ValidationException::fromInputFilter($inputFilter);
+        }
+
+        $this->page = (int) ($inputFilter->getValue(ShortUrlsParamsInputFilter::PAGE) ?? 1);
+        $this->searchTerm = $inputFilter->getValue(ShortUrlsParamsInputFilter::SEARCH_TERM);
+        $this->tags = (array) $inputFilter->getValue(ShortUrlsParamsInputFilter::TAGS);
+        $this->dateRange = new DateRange(
+            parseDateField($inputFilter->getValue(ShortUrlsParamsInputFilter::START_DATE)),
+            parseDateField($inputFilter->getValue(ShortUrlsParamsInputFilter::END_DATE)),
+        );
+        $this->orderBy = ShortUrlsOrdering::fromRawData($query);
+    }
+
+    public function page(): int
+    {
+        return $this->page;
+    }
+
+    public function searchTerm(): ?string
+    {
+        return $this->searchTerm;
+    }
+
+    public function tags(): array
+    {
+        return $this->tags;
+    }
+
+    public function orderBy(): ShortUrlsOrdering
+    {
+        return $this->orderBy;
+    }
+
+    public function dateRange(): ?DateRange
+    {
+        return $this->dateRange;
+    }
+}

module/Core/src/Model/VisitsParams.php

@@ -4,9 +4,10 @@ declare(strict_types=1);
 
 namespace Shlinkio\Shlink\Core\Model;
 
-use Cake\Chronos\Chronos;
 use Shlinkio\Shlink\Common\Util\DateRange;
 
+use function Shlinkio\Shlink\Core\parseDateFromQuery;
+
 final class VisitsParams
 {
     private const FIRST_PAGE = 1;
@@ -34,21 +35,13 @@ final class VisitsParams
 
     public static function fromRawData(array $query): self
     {
-        $startDate = self::getDateQueryParam($query, 'startDate');
-        $endDate = self::getDateQueryParam($query, 'endDate');
-
         return new self(
-            new DateRange($startDate, $endDate),
+            new DateRange(parseDateFromQuery($query, 'startDate'), parseDateFromQuery($query, 'endDate')),
             (int) ($query['page'] ?? 1),
             isset($query['itemsPerPage']) ? (int) $query['itemsPerPage'] : null,
         );
     }
 
-    private static function getDateQueryParam(array $query, string $key): ?Chronos
-    {
-        return ! isset($query[$key]) || empty($query[$key]) ? null : Chronos::parse($query[$key]);
-    }
-
     public function getDateRange(): DateRange
     {
         return $this->dateRange;

module/Core/src/Paginator/Adapter/ShortUrlRepositoryAdapter.php

@@ -5,38 +5,20 @@ declare(strict_types=1);
 namespace Shlinkio\Shlink\Core\Paginator\Adapter;
 
 use Laminas\Paginator\Adapter\AdapterInterface;
-use Shlinkio\Shlink\Common\Util\DateRange;
+use Shlinkio\Shlink\Core\Model\ShortUrlsParams;
 use Shlinkio\Shlink\Core\Repository\ShortUrlRepositoryInterface;
 
-use function strip_tags;
-use function trim;
-
 class ShortUrlRepositoryAdapter implements AdapterInterface
 {
     public const ITEMS_PER_PAGE = 10;
 
     private ShortUrlRepositoryInterface $repository;
-    private ?string $searchTerm;
-    /** @var null|array|string */
-    private $orderBy;
-    private array $tags;
-    private ?DateRange $dateRange;
+    private ShortUrlsParams $params;
 
-    /**
-     * @param string|array|null $orderBy
-     */
-    public function __construct(
-        ShortUrlRepositoryInterface $repository,
-        ?string $searchTerm = null,
-        array $tags = [],
-        $orderBy = null,
-        ?DateRange $dateRange = null
-    ) {
+    public function __construct(ShortUrlRepositoryInterface $repository, ShortUrlsParams $params)
+    {
         $this->repository = $repository;
-        $this->searchTerm = $searchTerm !== null ? trim(strip_tags($searchTerm)) : null;
-        $this->orderBy = $orderBy;
-        $this->tags = $tags;
-        $this->dateRange = $dateRange;
+        $this->params = $params;
     }
 
     /**
@@ -50,10 +32,10 @@ class ShortUrlRepositoryAdapter implements AdapterInterface
         return $this->repository->findList(
             $itemCountPerPage,
             $offset,
-            $this->searchTerm,
-            $this->tags,
-            $this->orderBy,
-            $this->dateRange,
+            $this->params->searchTerm(),
+            $this->params->tags(),
+            $this->params->orderBy(),
+            $this->params->dateRange(),
         );
     }
 
@@ -68,6 +50,10 @@ class ShortUrlRepositoryAdapter implements AdapterInterface
      */
     public function count(): int
     {
-        return $this->repository->countList($this->searchTerm, $this->tags, $this->dateRange);
+        return $this->repository->countList(
+            $this->params->searchTerm(),
+            $this->params->tags(),
+            $this->params->dateRange(),
+        );
     }
 }

module/Core/src/Repository/ShortUrlRepository.php

@@ -8,18 +8,16 @@ use Doctrine\ORM\EntityRepository;
 use Doctrine\ORM\QueryBuilder;
 use Shlinkio\Shlink\Common\Util\DateRange;
 use Shlinkio\Shlink\Core\Entity\ShortUrl;
+use Shlinkio\Shlink\Core\Model\ShortUrlsOrdering;
 
 use function array_column;
 use function array_key_exists;
 use function Functional\contains;
-use function is_array;
-use function key;
 
 class ShortUrlRepository extends EntityRepository implements ShortUrlRepositoryInterface
 {
     /**
      * @param string[] $tags
-     * @param string|array|null $orderBy
      * @return ShortUrl[]
      */
     public function findList(
@@ -27,7 +25,7 @@ class ShortUrlRepository extends EntityRepository implements ShortUrlRepositoryI
         ?int $offset = null,
         ?string $searchTerm = null,
         array $tags = [],
-        $orderBy = null,
+        ?ShortUrlsOrdering $orderBy = null,
         ?DateRange $dateRange = null
     ): array {
         $qb = $this->createListQueryBuilder($searchTerm, $tags, $dateRange);
@@ -42,7 +40,7 @@ class ShortUrlRepository extends EntityRepository implements ShortUrlRepositoryI
         }
 
         // In case the ordering has been specified, the query could be more complex. Process it
-        if ($orderBy !== null) {
+        if ($orderBy !== null && $orderBy->hasOrderField()) {
             return $this->processOrderByForList($qb, $orderBy);
         }
 
@@ -51,14 +49,10 @@ class ShortUrlRepository extends EntityRepository implements ShortUrlRepositoryI
         return $qb->getQuery()->getResult();
     }
 
-    /**
-     * @param string|array|null $orderBy
-     */
-    private function processOrderByForList(QueryBuilder $qb, $orderBy): array
+    private function processOrderByForList(QueryBuilder $qb, ShortUrlsOrdering $orderBy): array
     {
-        $isArray = is_array($orderBy);
-        $fieldName = $isArray ? key($orderBy) : $orderBy;
-        $order = $isArray ? $orderBy[$fieldName] : 'ASC';
+        $fieldName = $orderBy->orderField();
+        $order = $orderBy->orderDirection();
 
         if (contains(['visits', 'visitsCount', 'visitCount'], $fieldName)) {
             $qb->addSelect('COUNT(DISTINCT v) AS totalVisits')

module/Core/src/Repository/ShortUrlRepositoryInterface.php

@@ -7,18 +7,16 @@ namespace Shlinkio\Shlink\Core\Repository;
 use Doctrine\Persistence\ObjectRepository;
 use Shlinkio\Shlink\Common\Util\DateRange;
 use Shlinkio\Shlink\Core\Entity\ShortUrl;
+use Shlinkio\Shlink\Core\Model\ShortUrlsOrdering;
 
 interface ShortUrlRepositoryInterface extends ObjectRepository
 {
-    /**
-     * @param string|array|null $orderBy
-     */
     public function findList(
         ?int $limit = null,
         ?int $offset = null,
         ?string $searchTerm = null,
         array $tags = [],
-        $orderBy = null,
+        ?ShortUrlsOrdering $orderBy = null,
         ?DateRange $dateRange = null
     ): array;
 

module/Core/src/Service/ShortUrlService.php

@@ -6,10 +6,10 @@ namespace Shlinkio\Shlink\Core\Service;
 
 use Doctrine\ORM;
 use Laminas\Paginator\Paginator;
-use Shlinkio\Shlink\Common\Util\DateRange;
 use Shlinkio\Shlink\Core\Entity\ShortUrl;
 use Shlinkio\Shlink\Core\Exception\ShortUrlNotFoundException;
 use Shlinkio\Shlink\Core\Model\ShortUrlMeta;
+use Shlinkio\Shlink\Core\Model\ShortUrlsParams;
 use Shlinkio\Shlink\Core\Paginator\Adapter\ShortUrlRepositoryAdapter;
 use Shlinkio\Shlink\Core\Repository\ShortUrlRepository;
 use Shlinkio\Shlink\Core\Service\ShortUrl\FindShortCodeTrait;
@@ -28,23 +28,15 @@ class ShortUrlService implements ShortUrlServiceInterface
     }
 
     /**
-     * @param string[] $tags
-     * @param array|string|null $orderBy
-     *
      * @return ShortUrl[]|Paginator
      */
-    public function listShortUrls(
-        int $page = 1,
-        ?string $searchQuery = null,
-        array $tags = [],
-        $orderBy = null,
-        ?DateRange $dateRange = null
-    ) {
+    public function listShortUrls(ShortUrlsParams $params): Paginator
+    {
         /** @var ShortUrlRepository $repo */
         $repo = $this->em->getRepository(ShortUrl::class);
-        $paginator = new Paginator(new ShortUrlRepositoryAdapter($repo, $searchQuery, $tags, $orderBy, $dateRange));
+        $paginator = new Paginator(new ShortUrlRepositoryAdapter($repo, $params));
         $paginator->setItemCountPerPage(ShortUrlRepositoryAdapter::ITEMS_PER_PAGE)
-                  ->setCurrentPageNumber($page);
+                  ->setCurrentPageNumber($params->page());
 
         return $paginator;
     }

module/Core/src/Service/ShortUrlServiceInterface.php

@@ -5,26 +5,17 @@ declare(strict_types=1);
 namespace Shlinkio\Shlink\Core\Service;
 
 use Laminas\Paginator\Paginator;
-use Shlinkio\Shlink\Common\Util\DateRange;
 use Shlinkio\Shlink\Core\Entity\ShortUrl;
 use Shlinkio\Shlink\Core\Exception\ShortUrlNotFoundException;
 use Shlinkio\Shlink\Core\Model\ShortUrlMeta;
+use Shlinkio\Shlink\Core\Model\ShortUrlsParams;
 
 interface ShortUrlServiceInterface
 {
     /**
-     * @param string[] $tags
-     * @param array|string|null $orderBy
-     *
      * @return ShortUrl[]|Paginator
      */
-    public function listShortUrls(
-        int $page = 1,
-        ?string $searchQuery = null,
-        array $tags = [],
-        $orderBy = null,
-        ?DateRange $dateRange = null
-    );
+    public function listShortUrls(ShortUrlsParams $params): Paginator;
 
     /**
      * @param string[] $tags

module/Core/src/Validation/ShortUrlMetaInputFilter.php

@@ -20,13 +20,11 @@ class ShortUrlMetaInputFilter extends InputFilter
     public const FIND_IF_EXISTS = 'findIfExists';
     public const DOMAIN = 'domain';
 
-    public function __construct(?array $data = null)
+    public function __construct(array $data)
     {
         $this->initialize();
-        if ($data !== null) {
         $this->setData($data);
     }
-    }
 
     private function initialize(): void
     {

module/Core/src/Validation/ShortUrlsParamsInputFilter.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\Validation;
+
+use Laminas\Filter;
+use Laminas\InputFilter\InputFilter;
+use Laminas\Validator;
+use Shlinkio\Shlink\Common\Validation;
+
+class ShortUrlsParamsInputFilter extends InputFilter
+{
+    use Validation\InputFactoryTrait;
+
+    public const PAGE = 'page';
+    public const SEARCH_TERM = 'searchTerm';
+    public const TAGS = 'tags';
+    public const START_DATE = 'startDate';
+    public const END_DATE = 'endDate';
+
+    public function __construct(array $data)
+    {
+        $this->initialize();
+        $this->setData($data);
+    }
+
+    private function initialize(): void
+    {
+        $this->add($this->createDateInput(self::START_DATE, false));
+        $this->add($this->createDateInput(self::END_DATE, false));
+
+        $this->add($this->createInput(self::SEARCH_TERM, false));
+
+        $page = $this->createInput(self::PAGE, false);
+        $page->getValidatorChain()->attach(new Validator\Digits())
+                                  ->attach(new Validator\GreaterThan(['min' => 1, 'inclusive' => true]));
+        $this->add($page);
+
+        $tags = $this->createArrayInput(self::TAGS, false);
+        $tags->getFilterChain()->attach(new Filter\StringToLower())
+                               ->attach(new Validation\SluggerFilter());
+        $this->add($tags);
+    }
+}

module/Core/test-db/Repository/ShortUrlRepositoryTest.php

@@ -13,6 +13,7 @@ use Shlinkio\Shlink\Core\Entity\ShortUrl;
 use Shlinkio\Shlink\Core\Entity\Tag;
 use Shlinkio\Shlink\Core\Entity\Visit;
 use Shlinkio\Shlink\Core\Model\ShortUrlMeta;
+use Shlinkio\Shlink\Core\Model\ShortUrlsOrdering;
 use Shlinkio\Shlink\Core\Model\Visitor;
 use Shlinkio\Shlink\Core\Repository\ShortUrlRepository;
 use Shlinkio\Shlink\TestUtils\DbTest\DatabaseTestCase;
@@ -122,7 +123,9 @@ class ShortUrlRepositoryTest extends DatabaseTestCase
 
         $this->assertCount(1, $this->repo->findList(2, 2));
 
-        $result = $this->repo->findList(null, null, null, [], ['visits' => 'DESC']);
+        $result = $this->repo->findList(null, null, null, [], ShortUrlsOrdering::fromRawData([
+            'orderBy' => ['visits' => 'DESC'],
+        ]));
         $this->assertCount(3, $result);
         $this->assertSame($bar, $result[0]);
 
@@ -148,7 +151,9 @@ class ShortUrlRepositoryTest extends DatabaseTestCase
 
         $this->getEntityManager()->flush();
 
-        $result = $this->repo->findList(null, null, null, [], ['longUrl' => 'ASC']);
+        $result = $this->repo->findList(null, null, null, [], ShortUrlsOrdering::fromRawData([
+            'orderBy' => ['longUrl' => 'ASC'],
+        ]));
 
         $this->assertCount(count($urls), $result);
         $this->assertEquals('a', $result[0]->getLongUrl());

module/Core/test/Paginator/Adapter/ShortUrlRepositoryAdapterTest.php

@@ -7,7 +7,7 @@ namespace ShlinkioTest\Shlink\Core\Paginator\Adapter;
 use Cake\Chronos\Chronos;
 use PHPUnit\Framework\TestCase;
 use Prophecy\Prophecy\ObjectProphecy;
-use Shlinkio\Shlink\Common\Util\DateRange;
+use Shlinkio\Shlink\Core\Model\ShortUrlsParams;
 use Shlinkio\Shlink\Core\Paginator\Adapter\ShortUrlRepositoryAdapter;
 use Shlinkio\Shlink\Core\Repository\ShortUrlRepositoryInterface;
 
@@ -21,17 +21,26 @@ class ShortUrlRepositoryAdapterTest extends TestCase
     }
 
     /**
-     * @param string|array|null $orderBy
      * @test
      * @dataProvider provideFilteringArgs
      */
     public function getItemsFallsBackToFindList(
         ?string $searchTerm = null,
         array $tags = [],
-        ?DateRange $dateRange = null,
-        $orderBy = null
+        ?string $startDate = null,
+        ?string $endDate = null,
+        ?string $orderBy = null
     ): void {
-        $adapter = new ShortUrlRepositoryAdapter($this->repo->reveal(), $searchTerm, $tags, $orderBy, $dateRange);
+        $params = ShortUrlsParams::fromRawData([
+            'searchTerm' => $searchTerm,
+            'tags' => $tags,
+            'startDate' => $startDate,
+            'endDate' => $endDate,
+            'orderBy' => $orderBy,
+        ]);
+        $adapter = new ShortUrlRepositoryAdapter($this->repo->reveal(), $params);
+        $orderBy = $params->orderBy();
+        $dateRange = $params->dateRange();
 
         $this->repo->findList(10, 5, $searchTerm, $tags, $orderBy, $dateRange)->shouldBeCalledOnce();
         $adapter->getItems(5, 10);
@@ -44,9 +53,17 @@ class ShortUrlRepositoryAdapterTest extends TestCase
     public function countFallsBackToCountList(
         ?string $searchTerm = null,
         array $tags = [],
-        ?DateRange $dateRange = null
+        ?string $startDate = null,
+        ?string $endDate = null
     ): void {
-        $adapter = new ShortUrlRepositoryAdapter($this->repo->reveal(), $searchTerm, $tags, null, $dateRange);
+        $params = ShortUrlsParams::fromRawData([
+            'searchTerm' => $searchTerm,
+            'tags' => $tags,
+            'startDate' => $startDate,
+            'endDate' => $endDate,
+        ]);
+        $adapter = new ShortUrlRepositoryAdapter($this->repo->reveal(), $params);
+        $dateRange = $params->dateRange();
 
         $this->repo->countList($searchTerm, $tags, $dateRange)->shouldBeCalledOnce();
         $adapter->count();
@@ -58,12 +75,12 @@ class ShortUrlRepositoryAdapterTest extends TestCase
         yield ['search'];
         yield ['search', []];
         yield ['search', ['foo', 'bar']];
-        yield ['search', ['foo', 'bar'], null, 'order'];
-        yield ['search', ['foo', 'bar'], new DateRange(), 'order'];
-        yield ['search', ['foo', 'bar'], new DateRange(Chronos::now()), 'order'];
-        yield ['search', ['foo', 'bar'], new DateRange(null, Chronos::now()), 'order'];
-        yield ['search', ['foo', 'bar'], new DateRange(Chronos::now(), Chronos::now()), 'order'];
-        yield ['search', ['foo', 'bar'], new DateRange(Chronos::now())];
-        yield [null, ['foo', 'bar'], new DateRange(Chronos::now(), Chronos::now())];
+        yield ['search', ['foo', 'bar'], null, null, 'order'];
+        yield ['search', ['foo', 'bar'], Chronos::now()->toAtomString(), null, 'order'];
+        yield ['search', ['foo', 'bar'], null, Chronos::now()->toAtomString(), 'order'];
+        yield ['search', ['foo', 'bar'], Chronos::now()->toAtomString(), Chronos::now()->toAtomString(), 'order'];
+        yield [null, ['foo', 'bar'], Chronos::now()->toAtomString(), null, 'order'];
+        yield [null, ['foo', 'bar'], Chronos::now()->toAtomString()];
+        yield [null, ['foo', 'bar'], Chronos::now()->toAtomString(), Chronos::now()->toAtomString()];
     }
 }

module/Core/test/Service/ShortUrlServiceTest.php

@@ -14,6 +14,7 @@ use Shlinkio\Shlink\Core\Entity\ShortUrl;
 use Shlinkio\Shlink\Core\Entity\Tag;
 use Shlinkio\Shlink\Core\Exception\ShortUrlNotFoundException;
 use Shlinkio\Shlink\Core\Model\ShortUrlMeta;
+use Shlinkio\Shlink\Core\Model\ShortUrlsParams;
 use Shlinkio\Shlink\Core\Repository\ShortUrlRepository;
 use Shlinkio\Shlink\Core\Service\ShortUrlService;
 
@@ -47,7 +48,7 @@ class ShortUrlServiceTest extends TestCase
         $repo->countList(Argument::cetera())->willReturn(count($list))->shouldBeCalledOnce();
         $this->em->getRepository(ShortUrl::class)->willReturn($repo->reveal());
 
-        $list = $this->service->listShortUrls();
+        $list = $this->service->listShortUrls(ShortUrlsParams::emptyInstance());
         $this->assertEquals(4, $list->getCurrentItemCount());
     }
 

module/Rest/src/Action/ShortUrl/ListShortUrlsAction.php

@@ -4,14 +4,12 @@ declare(strict_types=1);
 
 namespace Shlinkio\Shlink\Rest\Action\ShortUrl;
 
-use Cake\Chronos\Chronos;
-use InvalidArgumentException;
 use Laminas\Diactoros\Response\JsonResponse;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Log\LoggerInterface;
 use Shlinkio\Shlink\Common\Paginator\Util\PaginatorUtilsTrait;
-use Shlinkio\Shlink\Common\Util\DateRange;
+use Shlinkio\Shlink\Core\Model\ShortUrlsParams;
 use Shlinkio\Shlink\Core\Service\ShortUrlServiceInterface;
 use Shlinkio\Shlink\Core\Transformer\ShortUrlDataTransformer;
 use Shlinkio\Shlink\Rest\Action\AbstractRestAction;
@@ -36,38 +34,11 @@ class ListShortUrlsAction extends AbstractRestAction
         $this->domainConfig = $domainConfig;
     }
 
-    /**
-     * @throws InvalidArgumentException
-     */
     public function handle(Request $request): Response
     {
-        $params = $this->queryToListParams($request->getQueryParams());
-        $shortUrls = $this->shortUrlService->listShortUrls(...$params);
+        $shortUrls = $this->shortUrlService->listShortUrls(ShortUrlsParams::fromRawData($request->getQueryParams()));
         return new JsonResponse(['shortUrls' => $this->serializePaginator($shortUrls, new ShortUrlDataTransformer(
             $this->domainConfig,
         ))]);
     }
-
-    /**
-     * @param array $query
-     * @return array
-     */
-    private function queryToListParams(array $query): array
-    {
-        return [
-            (int) ($query['page'] ?? 1),
-            $query['searchTerm'] ?? null,
-            $query['tags'] ?? [],
-            $query['orderBy'] ?? null,
-            $this->determineDateRangeFromQuery($query),
-        ];
-    }
-
-    private function determineDateRangeFromQuery(array $query): DateRange
-    {
-        return new DateRange(
-            isset($query['startDate']) ? Chronos::parse($query['startDate']) : null,
-            isset($query['endDate']) ? Chronos::parse($query['endDate']) : null,
-        );
-    }
 }

module/Rest/test-api/Action/ListShortUrlsTest.php

@@ -116,6 +116,13 @@ class ListShortUrlsTest extends ApiTestCase
             self::SHORT_URL_META,
             self::SHORT_URL_CUSTOM_DOMAIN,
         ]];
+        yield [['orderBy' => ['shortCode' => 'DESC']], [
+            self::SHORT_URL_CUSTOM_DOMAIN,
+            self::SHORT_URL_META,
+            self::SHORT_URL_CUSTOM_SLUG_AND_DOMAIN,
+            self::SHORT_URL_CUSTOM_SLUG,
+            self::SHORT_URL_SHLINK,
+        ]];
         yield [['startDate' => Chronos::parse('2018-12-01')->toAtomString()], [
             self::SHORT_URL_META,
             self::SHORT_URL_CUSTOM_SLUG,

module/Rest/test/Action/ShortUrl/ListShortUrlsActionTest.php

@@ -12,7 +12,7 @@ use Laminas\Paginator\Paginator;
 use PHPUnit\Framework\TestCase;
 use Prophecy\Prophecy\ObjectProphecy;
 use Psr\Log\LoggerInterface;
-use Shlinkio\Shlink\Common\Util\DateRange;
+use Shlinkio\Shlink\Core\Model\ShortUrlsParams;
 use Shlinkio\Shlink\Core\Service\ShortUrlService;
 use Shlinkio\Shlink\Rest\Action\ShortUrl\ListShortUrlsAction;
 
@@ -43,15 +43,17 @@ class ListShortUrlsActionTest extends TestCase
         ?string $expectedSearchTerm,
         array $expectedTags,
         ?string $expectedOrderBy,
-        DateRange $expectedDateRange
+        ?string $startDate = null,
+        ?string $endDate = null
     ): void {
-        $listShortUrls = $this->service->listShortUrls(
-            $expectedPage,
-            $expectedSearchTerm,
-            $expectedTags,
-            $expectedOrderBy,
-            $expectedDateRange,
-        )->willReturn(new Paginator(new ArrayAdapter()));
+        $listShortUrls = $this->service->listShortUrls(ShortUrlsParams::fromRawData([
+            'page' => $expectedPage,
+            'searchTerm' => $expectedSearchTerm,
+            'tags' => $expectedTags,
+            'orderBy' => $expectedOrderBy,
+            'startDate' => $startDate,
+            'endDate' => $endDate,
+        ]))->willReturn(new Paginator(new ArrayAdapter()));
 
         /** @var JsonResponse $response */
         $response = $this->action->handle((new ServerRequest())->withQueryParams($query));
@@ -66,25 +68,25 @@ class ListShortUrlsActionTest extends TestCase
 
     public function provideFilteringData(): iterable
     {
-        yield [[], 1, null, [], null, new DateRange()];
-        yield [['page' => 10], 10, null, [], null, new DateRange()];
-        yield [['page' => null], 1, null, [], null, new DateRange()];
-        yield [['page' => '8'], 8, null, [], null, new DateRange()];
-        yield [['searchTerm' => $searchTerm = 'foo'], 1, $searchTerm, [], null, new DateRange()];
-        yield [['tags' => $tags = ['foo','bar']], 1, null, $tags, null, new DateRange()];
-        yield [['orderBy' => $orderBy = 'something'], 1, null, [], $orderBy, new DateRange()];
+        yield [[], 1, null, [], null];
+        yield [['page' => 10], 10, null, [], null];
+        yield [['page' => null], 1, null, [], null];
+        yield [['page' => '8'], 8, null, [], null];
+        yield [['searchTerm' => $searchTerm = 'foo'], 1, $searchTerm, [], null];
+        yield [['tags' => $tags = ['foo','bar']], 1, null, $tags, null];
+        yield [['orderBy' => $orderBy = 'something'], 1, null, [], $orderBy];
         yield [[
             'page' => '2',
             'orderBy' => $orderBy = 'something',
             'tags' => $tags = ['one', 'two'],
-        ], 2, null, $tags, $orderBy, new DateRange()];
+        ], 2, null, $tags, $orderBy];
         yield [
             ['startDate' => $date = Chronos::now()->toAtomString()],
             1,
             null,
             [],
             null,
-            new DateRange(Chronos::parse($date)),
+            $date,
         ];
         yield [
             ['endDate' => $date = Chronos::now()->toAtomString()],
@@ -92,7 +94,8 @@ class ListShortUrlsActionTest extends TestCase
             null,
             [],
             null,
-            new DateRange(null, Chronos::parse($date)),
+            null,
+            $date,
         ];
         yield [
             [
@@ -103,7 +106,8 @@ class ListShortUrlsActionTest extends TestCase
             null,
             [],
             null,
-            new DateRange(Chronos::parse($startDate), Chronos::parse($endDate)),
+            $startDate,
+            $endDate,
         ];
     }
 }