symfony
diff --git a/Collapse file: src/Symfony/Component/Console/Attribute/Argument.php
‎src/Symfony/Component/Console/Attribute/Argument.php‎
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+17-1Lines changed: 17 additions & 1 deletion b/Collapse file: src/Symfony/Component/Console/Attribute/Argument.php
‎src/Symfony/Component/Console/Attribute/Argument.php‎
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+17-1Lines changed: 17 additions & 1 deletion
diff --git a/Collapse file: src/Symfony/Component/Console/Attribute/Ask.php
‎src/Symfony/Component/Console/Attribute/Ask.php‎
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+110Lines changed: 110 additions & 0 deletions b/Collapse file: src/Symfony/Component/Console/Attribute/Ask.php
‎src/Symfony/Component/Console/Attribute/Ask.php‎
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+110Lines changed: 110 additions & 0 deletions
diff --git a/Collapse file: src/Symfony/Component/Console/Attribute/Interact.php
‎src/Symfony/Component/Console/Attribute/Interact.php‎
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+51Lines changed: 51 additions & 0 deletions b/Collapse file: src/Symfony/Component/Console/Attribute/Interact.php
‎src/Symfony/Component/Console/Attribute/Interact.php‎
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diff --git a/Collapse file: src/Symfony/Component/Console/Attribute/InteractiveAttributeInterface.php
‎src/Symfony/Component/Console/Attribute/InteractiveAttributeInterface.php‎
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+20Lines changed: 20 additions & 0 deletions b/Collapse file: src/Symfony/Component/Console/Attribute/InteractiveAttributeInterface.php
‎src/Symfony/Component/Console/Attribute/InteractiveAttributeInterface.php‎
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diff --git a/Collapse file: src/Symfony/Component/Console/Attribute/MapInput.php
‎src/Symfony/Component/Console/Attribute/MapInput.php‎
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+81-12Lines changed: 81 additions & 12 deletions b/Collapse file: src/Symfony/Component/Console/Attribute/MapInput.php
‎src/Symfony/Component/Console/Attribute/MapInput.php‎
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+81-12Lines changed: 81 additions & 12 deletions
diff --git a/Collapse file: src/Symfony/Component/Console/Attribute/Reflection/ReflectionMember.php
‎src/Symfony/Component/Console/Attribute/Reflection/ReflectionMember.php‎
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+15Lines changed: 15 additions & 0 deletions b/Collapse file: src/Symfony/Component/Console/Attribute/Reflection/ReflectionMember.php
‎src/Symfony/Component/Console/Attribute/Reflection/ReflectionMember.php‎
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+15Lines changed: 15 additions & 0 deletions
@@ -32,6 +32,7 @@ class Argument
      * @var string|class-string<\BackedEnum>
      */
     private string $typeName = '';
+    private ?InteractiveAttributeInterface $interactiveAttribute = null;
 
     /**
      * Represents a console command <argument> definition.
@@ -79,7 +80,8 @@ public static function tryFrom(\ReflectionParameter|\ReflectionProperty $member)
 
         $self->default = $reflection->hasDefaultValue() ? $reflection->getDefaultValue() : null;
 
-        $self->mode = ($reflection->hasDefaultValue() || $reflection->isNullable()) ? InputArgument::OPTIONAL : InputArgument::REQUIRED;
+        $isOptional = $reflection->hasDefaultValue() || $reflection->isNullable();
+        $self->mode = $isOptional ? InputArgument::OPTIONAL : InputArgument::REQUIRED;
         if ('array' === $self->typeName) {
             $self->mode |= InputArgument::IS_ARRAY;
         }
@@ -92,6 +94,12 @@ public static function tryFrom(\ReflectionParameter|\ReflectionProperty $member)
             $self->suggestedValues = array_column($self->typeName::cases(), 'value');
         }
 
+        $self->interactiveAttribute = Ask::tryFrom($member, $self->name);
+
+        if ($self->interactiveAttribute && $isOptional) {
+            throw new LogicException(\sprintf('The %s "$%s" argument of "%s" cannot be both interactive and optional.', $reflection->getMemberName(), $self->name, $reflection->getSourceName()));
+        }
+
         return $self;
     }
 
@@ -118,4 +126,12 @@ public function resolveValue(InputInterface $input): mixed
 
         return $value;
     }
+
+    /**
+     * @internal
+     */
+    public function getInteractiveAttribute(): ?InteractiveAttributeInterface
+    {
+        return $this->interactiveAttribute;
+    }
 }
@@ -0,0 +1,110 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Console\Attribute;
+
+use Symfony\Component\Console\Attribute\Reflection\ReflectionMember;
+use Symfony\Component\Console\Exception\InvalidArgumentException;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Question\Question;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+#[\Attribute(\Attribute::TARGET_PARAMETER | \Attribute::TARGET_PROPERTY)]
+class Ask implements InteractiveAttributeInterface
+{
+    public ?\Closure $validator;
+    private \Closure $closure;
+
+    /**
+     * @param string                     $question    The question to ask the user
+     * @param string|bool|int|float|null $default     The default answer to return if the user enters nothing
+     * @param bool                       $hidden      Whether the user response must be hidden or not
+     * @param bool                       $multiline   Whether the user response should accept newline characters
+     * @param bool                       $trimmable   Whether the user response must be trimmed or not
+     * @param int|null                   $timeout     The maximum time the user has to answer the question in seconds
+     * @param callable|null              $validator   The validator for the question
+     * @param int|null                   $maxAttempts The maximum number of attempts allowed to answer the question.
+     *                                                Null means an unlimited number of attempts
+     */
+    public function __construct(
+        public string $question,
+        public string|bool|int|float|null $default = null,
+        public bool $hidden = false,
+        public bool $multiline = false,
+        public bool $trimmable = true,
+        public ?int $timeout = null,
+        ?callable $validator = null,
+        public ?int $maxAttempts = null,
+    ) {
+        $this->validator = $validator ? $validator(...) : null;
+    }
+
+    /**
+     * @internal
+     */
+    public static function tryFrom(\ReflectionParameter|\ReflectionProperty $member, string $name): ?self
+    {
+        $reflection = new ReflectionMember($member);
+
+        if (!$self = $reflection->getAttribute(self::class)) {
+            return null;
+        }
+
+        $self->closure = function (SymfonyStyle $io, InputInterface $input) use ($self, $reflection, $name) {
+            if (($reflection->isProperty() && isset($this->{$reflection->getName()})) || ($reflection->isParameter() && null !== $input->getArgument($name))) {
+                return;
+            }
+
+            $question = new Question($self->question, $self->default);
+            $question->setHidden($self->hidden);
+            $question->setMultiline($self->multiline);
+            $question->setTrimmable($self->trimmable);
+            $question->setTimeout($self->timeout);
+
+            if (!$self->validator && $reflection->isProperty()) {
+                $self->validator = function (mixed $value) use ($reflection): mixed {
+                    return $this->{$reflection->getName()} = $value;
+                };
+            }
+
+            $question->setValidator($self->validator);
+            $question->setMaxAttempts($self->maxAttempts);
+
+            if ($reflection->isBackedEnumType()) {
+                /** @var class-string<\BackedEnum> $backedType */
+                $backedType = $reflection->getType()->getName();
+                $question->setNormalizer(fn (string|int $value) => $backedType::tryFrom($value) ?? throw InvalidArgumentException::fromEnumValue($reflection->getName(), $value, array_map(fn (\BackedEnum $enum): string|int => $enum->value, $backedType::cases())));
+            }
+
+            $value = $io->askQuestion($question);
+
+            if (null === $value && !$reflection->isNullable()) {
+                return;
+            }
+
+            if ($reflection->isProperty()) {
+                $this->{$reflection->getName()} = $value;
+            } else {
+                $input->setArgument($name, $value);
+            }
+        };
+
+        return $self;
+    }
+
+    /**
+     * @internal
+     */
+    public function getFunction(object $instance): \ReflectionFunction
+    {
+        return new \ReflectionFunction($this->closure->bindTo($instance, $instance::class));
+    }
+}
@@ -0,0 +1,51 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Console\Attribute;
+
+use Symfony\Component\Console\Exception\LogicException;
+
+#[\Attribute(\Attribute::TARGET_METHOD)]
+class Interact implements InteractiveAttributeInterface
+{
+    private \ReflectionMethod $method;
+
+    /**
+     * @internal
+     */
+    public static function tryFrom(\ReflectionMethod $method): ?self
+    {
+        /** @var self|null $self */
+        if (!$self = ($method->getAttributes(self::class)[0] ?? null)?->newInstance()) {
+            return null;
+        }
+
+        if (!$method->isPublic() || $method->isStatic()) {
+            throw new LogicException(\sprintf('The interactive method "%s::%s()" must be public and non-static.', $method->getDeclaringClass()->getName(), $method->getName()));
+        }
+
+        if ('__invoke' === $method->getName()) {
+            throw new LogicException(\sprintf('The "%s::__invoke()" method cannot be used as an interactive method.', $method->getDeclaringClass()->getName()));
+        }
+
+        $self->method = $method;
+
+        return $self;
+    }
+
+    /**
+     * @internal
+     */
+    public function getFunction(object $instance): \ReflectionFunction
+    {
+        return new \ReflectionFunction($this->method->getClosure($instance));
+    }
+}
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Console\Attribute;
+
+/**
+ * @internal
+ */
+interface InteractiveAttributeInterface
+{
+    public function getFunction(object $instance): \ReflectionFunction;
+}
@@ -14,6 +14,7 @@
 use Symfony\Component\Console\Attribute\Reflection\ReflectionMember;
 use Symfony\Component\Console\Exception\LogicException;
 use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Interaction\Interaction;
 
 /**
  * Maps a command input into an object (DTO).
@@ -28,6 +29,14 @@ final class MapInput
 
     private \ReflectionClass $class;
 
+    /**
+     * @var list<Interact>
+     */
+    private array $interactiveAttributes = [];
+
+    /**
+     * @internal
+     */
     public static function tryFrom(\ReflectionParameter|\ReflectionProperty $member): ?self
     {
         $reflection = new ReflectionMember($member);
@@ -49,46 +58,72 @@ public static function tryFrom(\ReflectionParameter|\ReflectionProperty $member)
         $self->class = new \ReflectionClass($class);
 
         foreach ($self->class->getProperties() as $property) {
-            if (!$property->isPublic() || $property->isStatic()) {
-                continue;
-            }
-
             if ($argument = Argument::tryFrom($property)) {
                 $self->definition[$property->name] = $argument;
-                continue;
-            }
-
-            if ($option = Option::tryFrom($property)) {
+            } elseif ($option = Option::tryFrom($property)) {
                 $self->definition[$property->name] = $option;
-                continue;
+            } elseif ($input = self::tryFrom($property)) {
+                $self->definition[$property->name] = $input;
             }
 
-            if ($input = self::tryFrom($property)) {
-                $self->definition[$property->name] = $input;
+            if (isset($self->definition[$property->name]) && (!$property->isPublic() || $property->isStatic())) {
+                throw new LogicException(\sprintf('The input property "%s::$%s" must be public and non-static.', $self->class->name, $property->name));
             }
         }
 
         if (!$self->definition) {
             throw new LogicException(\sprintf('The input class "%s" must have at least one argument or option.', $self->class->name));
         }
 
+        foreach ($self->class->getMethods() as $method) {
+            if ($attribute = Interact::tryFrom($method)) {
+                $self->interactiveAttributes[] = $attribute;
+            }
+        }
+
         return $self;
     }
 
     /**
      * @internal
      */
-    public function resolveValue(InputInterface $input): mixed
+    public function resolveValue(InputInterface $input): object
     {
         $instance = $this->class->newInstanceWithoutConstructor();
 
         foreach ($this->definition as $name => $spec) {
+            // ignore required arguments that are not set yet (may happen in interactive mode)
+            if ($spec instanceof Argument && null === $input->getArgument($spec->name) && $spec->toInputArgument()->isRequired()) {
+                continue;
+            }
+
             $instance->$name = $spec->resolveValue($input);
         }
 
         return $instance;
     }
 
+    /**
+     * @internal
+     */
+    public function setValue(InputInterface $input, object $object): void
+    {
+        foreach ($this->definition as $name => $spec) {
+            $property = $this->class->getProperty($name);
+
+            if (!$property->isInitialized($object) || null === $value = $property->getValue($object)) {
+                continue;
+            }
+
+            match (true) {
+                $spec instanceof Argument => $input->setArgument($spec->name, $value),
+                $spec instanceof Option => $input->setOption($spec->name, $value),
+                $spec instanceof self => $spec->setValue($input, $value),
+                default => throw new LogicException('Unexpected specification type.'),
+            };
+        }
+    }
+
     /**
      * @return iterable<Argument>
      */
@@ -116,4 +151,38 @@ public function getOptions(): iterable
             }
         }
     }
+
+    /**
+     * @internal
+     *
+     * @return iterable<Interaction>
+     */
+    public function getPropertyInteractions(): iterable
+    {
+        foreach ($this->definition as $spec) {
+            if ($spec instanceof self) {
+                yield from $spec->getPropertyInteractions();
+            } elseif ($spec instanceof Argument && $attribute = $spec->getInteractiveAttribute()) {
+                yield new Interaction($this, $attribute);
+            }
+        }
+    }
+
+    /**
+     * @internal
+     *
+     * @return iterable<Interaction>
+     */
+    public function getMethodInteractions(): iterable
+    {
+        foreach ($this->definition as $spec) {
+            if ($spec instanceof self) {
+                yield from $spec->getMethodInteractions();
+            }
+        }
+
+        foreach ($this->interactiveAttributes as $attribute) {
+            yield new Interaction($this, $attribute);
+        }
+    }
 }
@@ -96,4 +96,19 @@ public function getMemberName(): string
     {
         return $this->member instanceof \ReflectionParameter ? 'parameter' : 'property';
     }
+
+    public function isBackedEnumType(): bool
+    {
+        return $this->member->getType() instanceof \ReflectionNamedType && is_subclass_of($this->member->getType()->getName(), \BackedEnum::class);
+    }
+
+    public function isParameter(): bool
+    {
+        return $this->member instanceof \ReflectionParameter;
+    }
+
+    public function isProperty(): bool
+    {
+        return $this->member instanceof \ReflectionProperty;
+    }
 }