MetadataUpdaterWorkflow improved.

Author: zerai

_metadata/src/AdapterCli/ForSynchronizingMetadata/MetadataUpdateCommand.php

@@ -17,7 +17,7 @@
 
 use Ecotone\Messaging\Attribute\ConsoleCommand;
 use Ecotone\Modelling\CommandBus;
-use Metadata\AdapterForReadingExternalMetadataSource\UpdateModuleMetadata;
+use Metadata\Core\Process\StartModuleMetadataUpdate;
 
 class MetadataUpdateCommand
 {
@@ -35,7 +35,7 @@ public function execute(CommandBus $commandBus): void
         // with metadata
         $repoUrl = 'https://github.com/MedicalMundi/oe-module-todo-list';
 
-        $command = new UpdateModuleMetadata($moduleId, $repoUrl);
+        $command = new StartModuleMetadataUpdate($moduleId, $repoUrl);
 
         $commandBus->send($command);
     }

_metadata/src/AdapterForReadingExternalMetadataSource/GithubAdapterForReadingExternalMetadataSource.php

@@ -15,27 +15,103 @@
 
 namespace Metadata\AdapterForReadingExternalMetadataSource;
 
+use Github\Api\Repo;
 use Github\Client as GithubClient;
 use Metadata\Core\Port\Driven\ForReadingExternalMetadataSource\ExternalMetadataDto;
 use Metadata\Core\Port\Driven\ForReadingExternalMetadataSource\ForReadingExternalMetadataSource;
 use Metadata\Core\Port\Driven\ForReadingExternalMetadataSource\MetadataReaderException;
+use Metadata\Core\ValueObject\ComposerJsonFile;
+use Metadata\Core\ValueObject\Repository;
+use Nyholm\Psr7\Request;
+use Psr\Http\Client\ClientInterface;
 
 class GithubAdapterForReadingExternalMetadataSource implements ForReadingExternalMetadataSource
 {
     public function __construct(
-        private readonly GithubClient $githubClient
+        private readonly GithubClient $githubClient,
+        private readonly ClientInterface $httpclient,
     ) {
     }
 
-    public function readMetadataFromExternalSource(string $moduleUrl): ExternalMetadataDto
+    public function readMetadataFromExternalSource(string $moduleUrl): ?ExternalMetadataDto
     {
+        /**
+         * TODO: handle failure
+         */
+        $repository = Repository::createFromRepositoryUrl($moduleUrl);
+
+
+        $defaultBranch = $this->getDefaultBranchName($repository);
+
+        /**
+         * TODO: refactor
+         * $defaultBranch dovrebbe essere sempre un tipo string,
+         * la funzione sopra non dovrebbe tornare null
+         * ma eccezione di tipo http del client api
+         * o eccezione per dati non processabili
+         */
+        if (null === $defaultBranch) {
+            return null;
+        }
+
+        $composerJsonFileContent = $this->downloadComposerJsonFileContent($moduleUrl, $defaultBranch);
+
+        $composerFile = ComposerJsonFile::createFromJson($composerJsonFileContent);
+
+        if (! $composerFile->hasMetadata()) {
+            return null;
+        }
+
+        $extractedMetadata = (array) $composerFile->getMetadata();
+        $metadataDto = new ExternalMetadataDto(
+            enableSync: true,
+            category: (string) $extractedMetadata['category'],
+            tags: (array) $extractedMetadata['tags'],
+        );
+
+        return $metadataDto;
+    }
+
+    private function doDownloadHttpRequest(string $url): string
+    {
+        $request = new Request('GET', $url);
+
+        $response = $this->httpclient->sendRequest($request);
+
+        return $response->getBody()->getContents();
+    }
+
+    private function downloadComposerJsonFileContent(string $url, string $reference): string
+    {
+        try {
+            $repository = Repository::createFromRepositoryUrl($url);
+            /** @var Repo $repoApi */
+            $repoApi = $this->githubClient->api('repo');
+            $fileInfo = (array) $repoApi
+                ->contents()
+                ->show($repository->getUsername(), $repository->getName(), 'composer.json', $reference);
+
+            $composerJsonFileContent = $this->doDownloadHttpRequest((string) $fileInfo['download_url']);
+
+            return $composerJsonFileContent;
+        } catch (\Exception $exception) {
+            throw new MetadataReaderException('Impossible to read metadata from: ' . $url . ' error: ' . $exception->getMessage());
+        }
+    }
+
+    private function getDefaultBranchName(Repository $repository): ? string
+    {
+        $data = [];
         try {
-            //get composer.json
-            // extract metadata section
-            // create metadataDto
-            return new ExternalMetadataDto(true, 'a category', ['tag-1', 'tag-2']);
-        } catch (\RuntimeException $exception) {
-            throw new MetadataReaderException($exception->getMessage());
+            $data = $this->githubClient->repo()->show($repository->getUsername(), $repository->getName());
+        } catch (\Exception $exception) {
+            throw $exception;
         }
+
+        if (! \array_key_exists('default_branch', $data)) {
+            return null;
+        }
+
+        return (string) $data['default_branch'];
     }
 }

_metadata/src/AdapterForReadingExternalMetadataSource/StatelessWorkflowProcess.php

@@ -22,16 +22,26 @@ class StubAdapterForReadingExternalMetadataSource implements ForReadingExternalM
 {
     public function __construct(
         private array $metadataDtosIndexedByUrl = [],
+        private array $exceptions = [],
     ) {
     }
 
-    public function readMetadataFromExternalSource(string $moduleUrl): ExternalMetadataDto
+    public function readMetadataFromExternalSource(string $moduleUrl): ?ExternalMetadataDto
     {
+        if (0 < \count($this->exceptions)) {
+            throw $this->exceptions[0];
+        }
+
         return $this->metadataDtosIndexedByUrl[$moduleUrl];
     }
 
-    public function setExternalMetadataDto(string $url, ExternalMetadataDto $externalMetadataDto): void
+    public function setExternalMetadataDto(string $url, ?ExternalMetadataDto $externalMetadataDto): void
     {
         $this->metadataDtosIndexedByUrl[$url] = $externalMetadataDto;
     }
+
+    public function setException(object $exception): void
+    {
+        $this->exceptions[] = $exception;
+    }
 }

_metadata/src/AdapterForReadingExternalMetadataSourceStub/StubAdapterForReadingExternalMetadataSource.php

@@ -20,5 +20,5 @@ interface ForReadingExternalMetadataSource
     /**
      * @throws MetadataReaderException
      */
-    public function readMetadataFromExternalSource(string $moduleUrl): ExternalMetadataDto;
+    public function readMetadataFromExternalSource(string $moduleUrl): ?ExternalMetadataDto;
 }

_metadata/src/Core/Port/Driven/ForReadingExternalMetadataSource/ForReadingExternalMetadataSource.php

@@ -13,13 +13,13 @@
  * @license https://github.com/MedicalMundi/marketplace-engine/blob/main/LICENSE MIT
  */
 
-namespace Metadata\AdapterForReadingExternalMetadataSource;
+namespace Metadata\Core\Process\Event;
 
-class UpdateModuleMetadata
+class ModuleMetadataUpdateAbortedWithError
 {
     public function __construct(
         public readonly string $moduleId,
-        public readonly string $repositoryUrl
+        public readonly mixed $error,
     ) {
     }
 }