Add ToDateTime parameter attribute (#77)

Co-authored-by: Dmitriy Derepko <xepozz@list.ru>

.github/workflows/build.yml

@@ -27,6 +27,7 @@ jobs:
     uses: yiisoft/actions/.github/workflows/phpunit.yml@master
     with:
       ini-values: pcov.directory=$GITHUB_WORKSPACE, pcov.exclude=#^(?!($GITHUB_WORKSPACE/config/|$GITHUB_WORKSPACE/src/)).*#
+      extensions: intl
       os: >-
         ['ubuntu-latest', 'windows-latest']
       php: >-

.github/workflows/mutation.yml

@@ -28,6 +28,6 @@ jobs:
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.2']
+        ['8.3']
     secrets:
       STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## 1.2.0 under development
 
+- New #77: Add `ToDateTime` parameter attribute (@vjik)
 - Enh #76: Raise the minimum version of PHP to 8.1 (@vjik)
 
 ## 1.1.0 February 09, 2024

composer-require-checker.json

@@ -1,5 +1,6 @@
 {
     "symbol-whitelist": [
-        "Yiisoft\\Router\\CurrentRoute"
+        "Yiisoft\\Router\\CurrentRoute",
+        "IntlDateFormatter"
     ]
 }

composer.json

@@ -42,6 +42,9 @@
         "yiisoft/dummy-provider": "^1.0",
         "yiisoft/test-support": "^3.0"
     },
+    "suggest": {
+        "ext-intl": "Allows using `ToDateTime` parameter attribute"
+    },
     "autoload": {
         "psr-4": {
             "Yiisoft\\Hydrator\\": "src"

docs/guide/en/typecasting.md

@@ -138,3 +138,20 @@ $money = $hydrator->create(Money::class, [
     'currency' => 'AMD',
 ]);
 ```
+
+To cast a value to `DateTimeImmutable` or `DateTime` object explicitly, you can use `ToDateTime` attribute:
+
+```php
+use DateTimeImmutable;
+use Yiisoft\Hydrator\Attribute\Parameter\ToDateTime;
+
+class Person
+{
+    public function __construct(
+        #[ToDateTime(locale: 'ru')]
+        private ?DateTimeImmutable $birthday = null,
+    ) {}
+}
+
+$person = $hydrator->create(Person::class, ['birthday' => '27.01.1986']);
+```

docs/guide/ru/typecasting.md

@@ -138,3 +138,20 @@ $money = $hydrator->create(Money::class, [
     'currency' => 'AMD',
 ]);
 ```
+
+Для приведения значения к объекту `DateTimeImmutable` или `DateTime` явно, вы можете использовать атрибут `ToDateTime`:
+
+```php
+use DateTimeImmutable;
+use Yiisoft\Hydrator\Attribute\Parameter\ToDateTime;
+
+class Person
+{
+    public function __construct(
+        #[ToDateTime(locale: 'ru')]
+        private ?DateTimeImmutable $birthday = null,
+    ) {}
+}
+
+$person = $hydrator->create(Person::class, ['birthday' => '27.01.1986']);
+```

infection.json.dist

@@ -9,5 +9,13 @@
         "stryker": {
             "report": "master"
         }
+    },
+    "mutators": {
+        "@default": true,
+        "FalseValue": {
+            "ignoreSourceCodeByRegex": [
+                ".*\\$hasMutable = false.*"
+            ]
+        }
     }
 }

psalm.xml

@@ -8,12 +8,13 @@
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
 >
     <projectFiles>
-        <directory name="src"/>
+        <directory name="src" />
         <ignoreFiles>
-            <directory name="vendor"/>
+            <directory name="vendor" />
         </ignoreFiles>
     </projectFiles>
     <issueHandlers>
         <MixedAssignment errorLevel="suppress" />
+        <RiskyTruthyFalsyComparison errorLevel="suppress" />
     </issueHandlers>
 </psalm>

src/Attribute/Parameter/ToDateTime.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Hydrator\Attribute\Parameter;
+
+use Attribute;
+use IntlDateFormatter;
+
+/**
+ * Converts the resolved value to `DateTimeImmutable` object. Non-resolved and invalid values are skipped.
+ *
+ * @psalm-type IntlDateFormatterFormat = IntlDateFormatter::FULL | IntlDateFormatter::LONG | IntlDateFormatter::MEDIUM | IntlDateFormatter::SHORT | IntlDateFormatter::NONE
+ */
+#[Attribute(Attribute::TARGET_PROPERTY | Attribute::TARGET_PARAMETER | Attribute::IS_REPEATABLE)]
+final class ToDateTime implements ParameterAttributeInterface
+{
+    /**
+     * @psalm-param IntlDateFormatterFormat|null $dateType
+     * @psalm-param IntlDateFormatterFormat|null $timeType
+     * @psalm-param non-empty-string|null $timeZone
+     */
+    public function __construct(
+        public readonly ?string $format = null,
+        public readonly ?int $dateType = null,
+        public readonly ?int $timeType = null,
+        public readonly ?string $timeZone = null,
+        public readonly ?string $locale = null,
+    ) {
+    }
+
+    public function getResolver(): string
+    {
+        return ToDateTimeResolver::class;
+    }
+}

src/Attribute/Parameter/ToDateTimeResolver.php

@@ -0,0 +1,200 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Hydrator\Attribute\Parameter;
+
+use DateTime;
+use DateTimeImmutable;
+use DateTimeInterface;
+use DateTimeZone;
+use IntlDateFormatter;
+use ReflectionNamedType;
+use ReflectionUnionType;
+use Yiisoft\Hydrator\AttributeHandling\Exception\UnexpectedAttributeException;
+use Yiisoft\Hydrator\AttributeHandling\ParameterAttributeResolveContext;
+use Yiisoft\Hydrator\Result;
+
+/**
+ * @psalm-import-type IntlDateFormatterFormat from ToDateTime
+ */
+final class ToDateTimeResolver implements ParameterAttributeResolverInterface
+{
+    /**
+     * @psalm-param IntlDateFormatterFormat $dateType
+     * @psalm-param IntlDateFormatterFormat $timeType
+     * @psalm-param non-empty-string|null $timeZone
+     */
+    public function __construct(
+        private readonly ?string $format = null,
+        private readonly int $dateType = IntlDateFormatter::SHORT,
+        private readonly int $timeType = IntlDateFormatter::SHORT,
+        private readonly ?string $timeZone = null,
+        private readonly ?string $locale = null,
+    ) {
+    }
+
+    public function getParameterValue(
+        ParameterAttributeInterface $attribute,
+        ParameterAttributeResolveContext $context
+    ): Result {
+        if (!$attribute instanceof ToDateTime) {
+            throw new UnexpectedAttributeException(ToDateTime::class, $attribute);
+        }
+
+        if (!$context->isResolved()) {
+            return Result::fail();
+        }
+
+        $resolvedValue = $context->getResolvedValue();
+        $shouldBeMutable = $this->shouldResultBeMutable($context);
+
+        if ($resolvedValue instanceof DateTimeInterface) {
+            return $this->createSuccessResult($resolvedValue, $shouldBeMutable);
+        }
+
+        $timeZone = $attribute->timeZone ?? $this->timeZone;
+        if ($timeZone !== null) {
+            $timeZone = new DateTimeZone($timeZone);
+        }
+
+        if (is_int($resolvedValue)) {
+            return Result::success(
+                $this->makeDateTimeFromTimestamp($resolvedValue, $timeZone, $shouldBeMutable)
+            );
+        }
+
+        if (is_string($resolvedValue) && !empty($resolvedValue)) {
+            $format = $attribute->format ?? $this->format;
+            if (is_string($format) && str_starts_with($format, 'php:')) {
+                return $this->parseWithPhpFormat($resolvedValue, substr($format, 4), $timeZone, $shouldBeMutable);
+            }
+            return $this->parseWithIntlFormat(
+                $resolvedValue,
+                $format,
+                $attribute->dateType ?? $this->dateType,
+                $attribute->timeType ?? $this->timeType,
+                $timeZone,
+                $attribute->locale ?? $this->locale,
+                $shouldBeMutable,
+            );
+        }
+
+        return Result::fail();
+    }
+
+    /**
+     * @psalm-param non-empty-string $resolvedValue
+     */
+    private function parseWithPhpFormat(
+        string $resolvedValue,
+        string $format,
+        ?DateTimeZone $timeZone,
+        bool $shouldBeMutable,
+    ): Result {
+        $date = $shouldBeMutable
+            ? DateTime::createFromFormat($format, $resolvedValue, $timeZone)
+            : DateTimeImmutable::createFromFormat($format, $resolvedValue, $timeZone);
+        if ($date === false) {
+            return Result::fail();
+        }
+
+        $errors = DateTimeImmutable::getLastErrors();
+        if (!empty($errors['warning_count'])) {
+            return Result::fail();
+        }
+
+        // If no time was provided in the format string set time to 0
+        if (!strpbrk($format, 'aAghGHisvuU')) {
+            $date = $date->setTime(0, 0);
+        }
+
+        return Result::success($date);
+    }
+
+    /**
+     * @psalm-param non-empty-string $resolvedValue
+     * @psalm-param IntlDateFormatterFormat $dateType
+     * @psalm-param IntlDateFormatterFormat $timeType
+     */
+    private function parseWithIntlFormat(
+        string $resolvedValue,
+        ?string $format,
+        int $dateType,
+        int $timeType,
+        ?DateTimeZone $timeZone,
+        ?string $locale,
+        bool $shouldBeMutable,
+    ): Result {
+        $formatter = $format === null
+            ? new IntlDateFormatter($locale, $dateType, $timeType, $timeZone)
+            : new IntlDateFormatter(
+                $locale,
+                IntlDateFormatter::NONE,
+                IntlDateFormatter::NONE,
+                $timeZone,
+                pattern: $format
+            );
+        $formatter->setLenient(false);
+        $timestamp = $formatter->parse($resolvedValue);
+        return is_int($timestamp)
+            ? Result::success($this->makeDateTimeFromTimestamp($timestamp, $timeZone, $shouldBeMutable))
+            : Result::fail();
+    }
+
+    private function makeDateTimeFromTimestamp(
+        int $timestamp,
+        ?DateTimeZone $timeZone,
+        bool $shouldBeMutable
+    ): DateTimeInterface {
+        /**
+         * @psalm-suppress InvalidNamedArgument Psalm bug: https://github.com/vimeo/psalm/issues/10872
+         */
+        return $shouldBeMutable
+            ? (new DateTime(timezone: $timeZone))->setTimestamp($timestamp)
+            : (new DateTimeImmutable(timezone: $timeZone))->setTimestamp($timestamp);
+    }
+
+    private function createSuccessResult(DateTimeInterface $date, bool $shouldBeMutable): Result
+    {
+        if ($shouldBeMutable) {
+            return Result::success(
+                $date instanceof DateTime ? $date : DateTime::createFromInterface($date)
+            );
+        }
+        return Result::success(
+            $date instanceof DateTimeImmutable ? $date : DateTimeImmutable::createFromInterface($date)
+        );
+    }
+
+    private function shouldResultBeMutable(ParameterAttributeResolveContext $context): bool
+    {
+        $type = $context->getParameter()->getType();
+
+        if ($type instanceof ReflectionNamedType && $type->getName() === DateTime::class) {
+            return true;
+        }
+
+        if ($type instanceof ReflectionUnionType) {
+            $hasMutable = false;
+            /**
+             * @psalm-suppress RedundantConditionGivenDocblockType Need for PHP 8.1
+             */
+            foreach ($type->getTypes() as $subType) {
+                if ($subType instanceof ReflectionNamedType) {
+                    switch ($subType->getName()) {
+                        case DateTime::class:
+                            $hasMutable = true;
+                            break;
+                        case DateTimeImmutable::class:
+                        case DateTimeInterface::class:
+                            return false;
+                    }
+                }
+            }
+            return $hasMutable;
+        }
+
+        return false;
+    }
+}