Initial Commit

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true

.gitattributes

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+*.md    diff=markdown
+*.php   diff=php
+
+/.editorconfig      export-ignore
+/.gitignore         export-ignore
+/.gitattributes     export-ignore
+/phpunit.xml.dist   export-ignore
+/tests              export-ignore

.gitignore

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+/vendor
+composer.lock
+.phpunit.result.cache
+.DS_Store

LICENSE.md

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+MIT License
+
+Copyright (c) Johan Rosenson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+<p align="center">
+    <a href="https://packagist.org/packages/devlop/laravel-console-input-validation"><img src="https://img.shields.io/packagist/v/devlop/laravel-console-input-validation" alt="Latest Stable Version"></a>
+    <a href="https://github.com/devlop-ab/laravel-console-input-validation/blob/master/LICENSE.md"><img src="https://img.shields.io/packagist/l/devlop/laravel-console-input-validation" alt="License"></a>
+</p>
+
+# Laravel Console Input Validation
+
+A small trait to make it easier to validate the input to your Laravel commands.
+
+# Installation
+
+```bash
+composer require devlop/laravel-console-input-validation
+```
+
+# Usage
+
+```
+use Devlop\Laravel\Console\ValidateInput;
+use InvalidArgumentException;
+use Symfony\Component\Console\Input\InputInterface;
+use Webmozart\Assert\Assert; // not required, but used in the example below
+
+class DemoCommand extends Command
+{
+    use ValidateInput;
+
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    /**
+     * Validate the console command input.
+     *
+     * @throws InvalidArgumentException
+     */
+    protected function validate(InputInterface $input) : void
+    {
+        // Example using manual validation
+        if (! is_numeric($input->getOption('limit'))) {
+            throw new RuntimeException('--limit must be numeric');
+        }
+
+        // Example using webmozarts/assert:
+        Assert::numeric($input->getOption('limit')); // assert that the --limit option got a numeric value
+        Assert::greaterThan($input->getOption('limit'), 0); // assert that the --limit option get a value greater than 0
+    }
+
+    public function handle() : int
+    {
+        // ...
+    }
+}
+```

composer.json

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+{
+    "name": "devlop/laravel-console-input-validation",
+    "description": "Trait to simplify the validation of console input in Laravel commands",
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Johan Rosenson",
+            "email": "johan@devlop.se"
+        }
+    ],
+    "require": {
+        "php": "^7.4|^8.0",
+        "illuminate/console": "^8.0",
+        "psr/log": "^1.0.1"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^9.5",
+        "symfony/var-dumper": "^5.2"
+    },
+    "autoload": {
+        "psr-4": {
+            "Devlop\\Laravel\\Console\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Devlop\\Laravel\\Console\\Tests\\": "tests/"
+        }
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.x-dev"
+        }
+    }
+}

phpunit.xml.dist

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="./vendor/phpunit/phpunit/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         verbose="true">
+    <testsuites>
+        <testsuite name="devlop/laravel-command-validation Test Suite">
+            <directory suffix="Test.php">./tests</directory>
+        </testsuite>
+    </testsuites>
+    <coverage processUncoveredFiles="true">
+        <include>
+            <directory suffix=".php">./src</directory>
+        </include>
+    </coverage>
+</phpunit>

src/ValidateInput.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Devlop\Laravel\Console;
+
+use InvalidArgumentException;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+trait ValidateInput
+{
+    /**
+     * Validate the console command input.
+     *
+     * @throws InvalidArgumentException
+     */
+    protected function validate(InputInterface $input) : void
+    {
+        //
+    }
+
+    /**
+     * Execute the console command.
+     */
+    protected function execute(InputInterface $input, OutputInterface $output) : int
+    {
+        try {
+            $this->validate($input);
+        } catch (InvalidArgumentException $e) {
+            $this->error($e->getMessage());
+
+            return 1;
+        }
+
+        return parent::execute($input, $output);
+    }
+}

tests/ValidateInputTest.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Devlop\Laravel\Console\Tests;
+
+use PHPUnit\Framework\TestCase;
+
+final class ValidateInputTest extends TestCase
+{
+    public function test_validate_method_is_called() : void
+    {
+        $this->markTestIncomplete('This test has not been implemented yet.');
+    }
+}