Implement `require-recipe`

src/InlineRecipeCommand.php

@@ -1,30 +0,0 @@
-<?php
-
-namespace SilverStripe\RecipePlugin;
-
-use Composer\Command\BaseCommand;
-use Symfony\Component\Console\Input\InputArgument;
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\OutputInterface;
-
-class InlineRecipeCommand extends BaseCommand
-{
-    public function configure()
-    {
-        $this->setName('inline');
-        $this->setDescription('Invoke this command to inline a recipe into your root composer.json');
-        $this->addArgument(
-            'recipe',
-            InputArgument::REQUIRED,
-            'Recipe name to inline. Must be of type '
-                . RecipePlugin::RECIPE
-                . ' and be included in the root as a direct dependency'
-        );
-        $this->addUsage('composer inline silverstripe/recipe-blogging');
-    }
-
-    public function execute(InputInterface $input, OutputInterface $output)
-    {
-        parent::execute($input, $output); // TODO: Change the autogenerated stub
-    }
-}

src/RecipeCommandProvider.php

@@ -15,7 +15,7 @@ class RecipeCommandProvider implements CommandProvider
     public function getCommands()
     {
         return [
-            new InlineRecipeCommand()
+            new RequireRecipeCommand()
         ];
     }
 }

src/RecipeInstaller.php

@@ -92,7 +92,7 @@ class RecipeInstaller extends LibraryInstaller {
     public function installLibrary(PackageInterface $package)
     {
         // Check if silverstripe-recipe type
-        if ($package->getType() !== RecipePlugin::RECIPE) {
+        if ($package->getType() !== 'silverstripe-recipe') {
             return;
         }
 

src/RecipePlugin.php

@@ -21,12 +21,6 @@ use Composer\Plugin\Capability\CommandProvider;
  */
 class RecipePlugin implements PluginInterface, EventSubscriberInterface, Capable
 {
-
-    /**
-     * Recipe type
-     */
-    const RECIPE = 'silverstripe-recipe';
-
     public function activate(Composer $composer, IOInterface $io)
     {
     }

src/RequireRecipeCommand.php

@@ -0,0 +1,173 @@
+<?php
+
+namespace SilverStripe\RecipePlugin;
+
+use BadMethodCallException;
+use Composer\Command\BaseCommand;
+use Composer\Command\RequireCommand;
+use Composer\Command\UpdateCommand;
+use MongoDB\Driver\Exception\InvalidArgumentException;
+use Symfony\Component\Console\Input\ArrayInput;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\Output;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class RequireRecipeCommand extends BaseCommand
+{
+    public function configure()
+    {
+        $this->setName('require-recipe');
+        $this->setDescription('Invoke this command to inline a recipe into your root composer.json');
+        $this->addArgument(
+            'recipe',
+            InputArgument::REQUIRED,
+            'Recipe name to require inline'
+        );
+        $this->addArgument(
+            'version',
+            InputArgument::REQUIRED,
+            'Version to require'
+        );
+        $this->addUsage('silverstripe/recipe-blogging 1.0.0');
+        $this->setHelp(
+            <<<HELP
+Running this command will inline any given recipe into your composer.json, allowing you to
+modify it as though these dependencies were natively part of your own.
+
+Running command <info>composer require-recipe silverstripe/recipe-blogging 1.0.0</info> adds the following:
+
+<comment>
+    "require": {
+        "silverstripe/blog": "3.0.0",
+        "silverstripe/lumberjack": "3.0.1",
+        "silverstripe/comments": "2.1.0"
+    },
+    "provide": {
+        "silverstripe/recipe-blogging": "1.0.0"
+    }
+</comment>
+HELP
+        );
+    }
+
+    public function execute(InputInterface $input, OutputInterface $output)
+    {
+        $recipe = $input->getArgument('recipe');
+        $version = $input->getArgument('version');
+
+        // Get existing composer data
+        $composerData = $this->loadComposer(getcwd());
+        if (isset($composerData['provide'][$recipe])) {
+            $output->writeln("<error>This recipe is already added to provide</error>");
+            return -1;
+        }
+
+        // Ensure composer require includes this recipe
+        $returnCode = $this->requireRecipe($output, $recipe, $version);
+        if ($returnCode) {
+            return $returnCode;
+        }
+
+        // Get composer data for both root and newly installed recipe
+        $composerData = $this->loadComposer(getcwd());
+        $recipeData = $this->loadComposer(getcwd().'/vendor/'.$recipe);
+
+        // Promote all dependencies
+        if (!empty($recipeData['require'])) {
+            $output->writeln("Inlining all dependencies for recipe <info>$recipe</info>:");
+            foreach ($recipeData['require'] as $dependencyName => $dependencyVersion) {
+                $output->writeln(" * Inline dependency <info>$dependencyName</info> as <info>$dependencyVersion</info>");
+                $composerData['require'][$dependencyName] = $dependencyVersion;
+            }
+        }
+
+        // Move recipe from 'require' to 'provide'
+        unset($composerData['require'][$recipe]);
+        if (!isset($composerData['provide'])) {
+            $composerData['provide'] = [];
+        }
+        $composerData['provide'][$recipe] = $version;
+
+        // Update composer.json and synchronise composer.lock
+        $this->saveComposer(getcwd(), $composerData);
+        $this->updateProject($output);
+
+        return $returnCode;
+    }
+
+    /**
+     * Load composer data from the given directory
+     *
+     * @param string $directory
+     * @return array
+     */
+    protected function loadComposer($directory)
+    {
+        $path = $directory.'/composer.json';
+        if (!file_exists($path)) {
+            throw new BadMethodCallException("Could not find composer.json");
+        }
+        $data = json_decode(file_get_contents($path), true);
+        if (json_last_error() !== JSON_ERROR_NONE) {
+            throw new \LogicException("Invalid composer.json with error: " . json_last_error_msg());
+        }
+        return $data;
+    }
+
+    /**
+     * Save the given data to the composer file in the given directory
+     *
+     * @param string $directory
+     * @param array $data
+     */
+    protected function saveComposer($directory, $data)
+    {
+        $path = $directory.'/composer.json';
+        if (!file_exists($path)) {
+            throw new BadMethodCallException("Could not find composer.json");
+        }
+        $content = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+        // Make sure errors are reported
+        if (json_last_error()) {
+            throw new InvalidArgumentException("Invalid composer.json data with error: " . json_last_error_msg());
+        }
+        file_put_contents($path, $content);
+    }
+
+    /**
+     * @param OutputInterface $output
+     * @param $recipe
+     * @param $version
+     * @return int
+     */
+    protected function requireRecipe(OutputInterface $output, $recipe, $version)
+    {
+        /** @var RequireCommand $command */
+        $command = $this->getApplication()->find('require');
+        $package = $recipe . ':' . $version;
+        $arguments = [
+            'command' => 'require',
+            'packages' => [$package],
+        ];
+        $requireInput = new ArrayInput($arguments);
+        $returnCode = $command->run($requireInput, $output);
+        return $returnCode;
+    }
+
+    /**
+     * Update the project
+     *
+     * @param OutputInterface $output
+     * @return int
+     */
+    protected function updateProject(OutputInterface $output)
+    {
+        /** @var UpdateCommand $command */
+        $command = $this->getApplication()->find('update');
+        $arguments = [ 'command' => 'update' ];
+        $requireInput = new ArrayInput($arguments);
+        $returnCode = $command->run($requireInput, $output);
+        return $returnCode;
+    }
+}