Add preview generator check to write

lib/Command/Index.php

@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace OCA\Memories\Command;
 
 use OCA\Files_External\Service\GlobalStoragesService;
+use OCA\Memories\AppInfo\Application;
 use OCA\Memories\Db\TimelineWrite;
 use OCP\Encryption\IManager;
 use OCP\Files\File;
@@ -52,7 +53,7 @@ class Index extends Command
 
     protected IUserManager $userManager;
     protected IRootFolder $rootFolder;
-    protected IPreview $previewGenerator;
+    protected IPreview $preview;
     protected IConfig $config;
     protected OutputInterface $output;
     protected IManager $encryptionManager;
@@ -67,7 +68,7 @@ class Index extends Command
     public function __construct(
         IRootFolder $rootFolder,
         IUserManager $userManager,
-        IPreview $previewGenerator,
+        IPreview $preview,
         IConfig $config,
         IManager $encryptionManager,
         IDBConnection $connection,
@@ -77,11 +78,11 @@ class Index extends Command
 
         $this->userManager = $userManager;
         $this->rootFolder = $rootFolder;
-        $this->previewGenerator = $previewGenerator;
+        $this->preview = $preview;
         $this->config = $config;
         $this->encryptionManager = $encryptionManager;
         $this->connection = $connection;
-        $this->timelineWrite = new TimelineWrite($this->connection);
+        $this->timelineWrite = new TimelineWrite($connection, $preview);
 
         try {
             $this->globalService = $container->get(GlobalStoragesService::class);
@@ -112,6 +113,16 @@ class Index extends Command
 
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
+        // Print mime type support information
+        $output->writeln('MIME Type support:');
+        foreach (Application::IMAGE_MIMES as $mimeType) {
+            if ($this->preview->isMimeSupported($mimeType)) {
+                $output->writeln("  {$mimeType}: supported");
+            } else {
+                $output->writeln("  {$mimeType}: <error>not supported by preview generator</error>");
+            }
+        }
+
         // Get options and arguments
         $refresh = $input->getOption('refresh') ? true : false;
         $clear = $input->getOption('clear') ? true : false;

lib/Controller/ApiController.php

@@ -53,7 +53,7 @@ class ApiController extends Controller
     private IAppManager $appManager;
     private TimelineQuery $timelineQuery;
     private TimelineWrite $timelineWrite;
-    private IPreview $previewManager;
+    private IPreview $preview;
 
     public function __construct(
         IRequest $request,
@@ -62,7 +62,7 @@ class ApiController extends Controller
         IDBConnection $connection,
         IRootFolder $rootFolder,
         IAppManager $appManager,
-        IPreview $previewManager
+        IPreview $preview
     ) {
         parent::__construct(Application::APPNAME, $request);
 
@@ -71,9 +71,9 @@ class ApiController extends Controller
         $this->connection = $connection;
         $this->rootFolder = $rootFolder;
         $this->appManager = $appManager;
-        $this->previewManager = $previewManager;
+        $this->previewManager = $preview;
         $this->timelineQuery = new TimelineQuery($this->connection);
-        $this->timelineWrite = new TimelineWrite($connection);
+        $this->timelineWrite = new TimelineWrite($connection, $preview);
     }
 
     /**

lib/Db/TimelineWrite.php

@@ -9,14 +9,17 @@ use OCA\Memories\Exif;
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\Files\File;
 use OCP\IDBConnection;
+use OCP\IPreview;
 
 class TimelineWrite
 {
     protected IDBConnection $connection;
+    protected IPreview $preview;
 
-    public function __construct(IDBConnection $connection)
+    public function __construct(IDBConnection $connection, IPreview &$preview)
     {
         $this->connection = $connection;
+        $this->preview = $preview;
     }
 
     /**
@@ -58,6 +61,11 @@ class TimelineWrite
             return 0;
         }
 
+        // Make sure preview generator supports the mime type
+        if (!$this->preview->isMimeSupported($file->getMimeType())) {
+            return 0;
+        }
+
         // Get parameters
         $mtime = $file->getMtime();
         $fileId = $file->getId();

lib/Listeners/PostDeleteListener.php

@@ -27,14 +27,15 @@ use OCP\EventDispatcher\IEventListener;
 use OCP\Files\Events\Node\NodeDeletedEvent;
 use OCP\Files\Folder;
 use OCP\IDBConnection;
+use OCP\IPreview;
 
 class PostDeleteListener implements IEventListener
 {
     private TimelineWrite $util;
 
-    public function __construct(IDBConnection $connection)
+    public function __construct(IDBConnection $connection, IPreview $preview)
     {
-        $this->util = new TimelineWrite($connection);
+        $this->util = new TimelineWrite($connection, $preview);
     }
 
     public function handle(Event $event): void

lib/Listeners/PostWriteListener.php

@@ -28,6 +28,7 @@ use OCP\Files\Events\Node\NodeTouchedEvent;
 use OCP\Files\Events\Node\NodeWrittenEvent;
 use OCP\Files\Folder;
 use OCP\IDBConnection;
+use OCP\IPreview;
 use OCP\IUserManager;
 
 class PostWriteListener implements IEventListener
@@ -36,10 +37,11 @@ class PostWriteListener implements IEventListener
 
     public function __construct(
         IDBConnection $connection,
-        IUserManager $userManager
+        IUserManager $userManager,
+        IPreview $preview
     ) {
         $this->userManager = $userManager;
-        $this->timelineWrite = new TimelineWrite($connection);
+        $this->timelineWrite = new TimelineWrite($connection, $preview);
     }
 
     public function handle(Event $event): void