Lint

lib/AppInfo/Application.php

@@ -4,9 +4,7 @@ declare(strict_types=1);
 
 /**
  * @copyright Copyright (c) 2022, Varun Patil <radialapps@gmail.com>
- *
  * @author Varun Patil <radialapps@gmail.com>
- *
  * @license AGPL-3.0-or-later
  *
  * This program is free software: you can redistribute it and/or modify
@@ -21,22 +19,22 @@ declare(strict_types=1);
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
  */
 
 namespace OCA\Memories\AppInfo;
 
-use OCA\Memories\Listeners\PostWriteListener;
 use OCA\Memories\Listeners\PostDeleteListener;
+use OCA\Memories\Listeners\PostWriteListener;
 use OCP\AppFramework\App;
 use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\AppFramework\Bootstrap\IBootstrap;
 use OCP\AppFramework\Bootstrap\IRegistrationContext;
-use OCP\Files\Events\Node\NodeWrittenEvent;
 use OCP\Files\Events\Node\NodeDeletedEvent;
 use OCP\Files\Events\Node\NodeTouchedEvent;
+use OCP\Files\Events\Node\NodeWrittenEvent;
 
-class Application extends App implements IBootstrap {
+class Application extends App implements IBootstrap
+{
     public const APPNAME = 'memories';
 
     public const IMAGE_MIMES = [
@@ -61,16 +59,19 @@ class Application extends App implements IBootstrap {
         'video/x-matroska',
     ];
 
-    public function __construct() {
+    public function __construct()
+    {
         parent::__construct(self::APPNAME);
     }
 
-    public function register(IRegistrationContext $context): void {
+    public function register(IRegistrationContext $context): void
+    {
         $context->registerEventListener(NodeWrittenEvent::class, PostWriteListener::class);
         $context->registerEventListener(NodeTouchedEvent::class, PostWriteListener::class);
         $context->registerEventListener(NodeDeletedEvent::class, PostDeleteListener::class);
     }
 
-    public function boot(IBootContext $context): void {
+    public function boot(IBootContext $context): void
+    {
     }
 }

lib/Command/Index.php

@@ -4,9 +4,7 @@ declare(strict_types=1);
 
 /**
  * @copyright Copyright (c) 2022, Varun Patil <radialapps@gmail.com>
- *
  * @author Varun Patil <radialapps@gmail.com>
- *
  * @license AGPL-3.0-or-later
  *
  * This program is free software: you can redistribute it and/or modify
@@ -21,11 +19,12 @@ declare(strict_types=1);
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
  */
 
 namespace OCA\Memories\Command;
 
+use OCA\Files_External\Service\GlobalStoragesService;
+use OCA\Memories\Db\TimelineWrite;
 use OCP\Encryption\IManager;
 use OCP\Files\File;
 use OCP\Files\Folder;
@@ -36,8 +35,6 @@ use OCP\IDBConnection;
 use OCP\IPreview;
 use OCP\IUser;
 use OCP\IUserManager;
-use OCA\Files_External\Service\GlobalStoragesService;
-use OCA\Memories\Db\TimelineWrite;
 use Psr\Container\ContainerExceptionInterface;
 use Psr\Container\ContainerInterface;
 use Symfony\Component\Console\Command\Command;
@@ -45,8 +42,8 @@ use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 
-class Index extends Command {
+class Index extends Command
-
+{
     /** @var ?GlobalStoragesService */
     protected $globalService;
 
@@ -67,13 +64,16 @@ class Index extends Command {
     private int $nSkipped = 0;
     private int $nInvalid = 0;
 
-    public function __construct(IRootFolder $rootFolder,
+    public function __construct(
+        IRootFolder $rootFolder,
         IUserManager $userManager,
         IPreview $previewGenerator,
         IConfig $config,
         IManager $encryptionManager,
         IDBConnection $connection,
-                                ContainerInterface $container) {
+        ContainerInterface $container
+    )
+    {
         parent::__construct();
 
         $this->userManager = $userManager;
@@ -91,38 +91,8 @@ class Index extends Command {
         }
     }
 
-    /** Make sure exiftool is available */
+    protected function configure(): void
-    private function testExif() {
+    {
-        $testfile = dirname(__FILE__). '/../../exiftest.jpg';
-        $stream = fopen($testfile, 'rb');
-        if (!$stream) {
-            error_log("Couldn't open Exif test file $testfile");
-            return false;
-        }
-
-        $exif = null;
-        try {
-            $exif = \OCA\Memories\Exif::getExifFromStream($stream);
-        } catch (\Exception $e) {
-            error_log("Couldn't read Exif data from test file: " . $e->getMessage());
-            return false;
-        } finally {
-            fclose($stream);
-        }
-
-        if (!$exif) {
-            error_log("Got blank Exif data from test file");
-            return false;
-        }
-
-        if ($exif["DateTimeOriginal"] !== "2004:08:31 19:52:58") {
-            error_log("Got unexpected Exif data from test file");
-            return false;
-        }
-        return true;
-    }
-
-    protected function configure(): void {
         $this
             ->setName('memories:index')
             ->setDescription('Generate photo entries')
@@ -137,45 +107,52 @@ class Index extends Command {
                 null,
                 InputOption::VALUE_NONE,
                 'Clear existing index before creating a new one (SLOW)'
-            );
+            )
+        ;
     }
 
-    protected function execute(InputInterface $input, OutputInterface $output): int {
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
         // Get options and arguments
         $refresh = $input->getOption('refresh') ? true : false;
         $clear = $input->getOption('clear') ? true : false;
 
         // Clear index if asked for this
         if ($clear && $input->isInteractive()) {
-            $output->write("Are you sure you want to clear the existing index? (y/N): ");
+            $output->write('Are you sure you want to clear the existing index? (y/N): ');
             $answer = trim(fgets(STDIN));
-            if ($answer !== 'y') {
+            if ('y' !== $answer) {
-                $output->writeln("Aborting");
+                $output->writeln('Aborting');
+
                 return 1;
             }
         }
         if ($clear) {
             $this->timelineWrite->clear();
-            $output->writeln("Cleared existing index");
+            $output->writeln('Cleared existing index');
         }
 
         // Run with the static process
         try {
             \OCA\Memories\Exif::ensureStaticExiftoolProc();
+
             return $this->executeWithOpts($output, $refresh);
         } catch (\Exception $e) {
-            error_log("FATAL: " . $e->getMessage());
+            error_log('FATAL: '.$e->getMessage());
+
             return 1;
         } finally {
             \OCA\Memories\Exif::closeStaticExiftoolProc();
         }
     }
 
-    protected function executeWithOpts(OutputInterface $output, bool &$refresh): int {
+    protected function executeWithOpts(OutputInterface $output, bool &$refresh): int
+    {
         // Refuse to run without exiftool
         if (!$this->testExif()) {
             error_log('FATAL: exiftool could not be found or test failed');
             error_log('Please install exiftool (at least v12) and make sure it is in the PATH');
+
             return 1;
         }
 
@@ -184,6 +161,7 @@ class Index extends Command {
 
         if ($this->encryptionManager->isEnabled()) {
             error_log('FATAL: Encryption is enabled. Aborted.');
+
             return 1;
         }
         $this->output = $output;
@@ -194,19 +172,58 @@ class Index extends Command {
 
         // Show some stats
         $endTime = microtime(true);
-        $execTime = intval(($endTime - $startTime)*1000)/1000 ;
+        $execTime = (int) (($endTime - $startTime) * 1000) / 1000;
         $nTotal = $this->nInvalid + $this->nSkipped + $this->nProcessed;
-        $this->output->writeln("==========================================");
+        $this->output->writeln('==========================================');
-        $this->output->writeln("Checked $nTotal files in $execTime sec");
+        $this->output->writeln("Checked {$nTotal} files in {$execTime} sec");
-        $this->output->writeln($this->nInvalid . " not valid media items");
+        $this->output->writeln($this->nInvalid.' not valid media items');
-        $this->output->writeln($this->nSkipped . " skipped because unmodified");
+        $this->output->writeln($this->nSkipped.' skipped because unmodified');
-        $this->output->writeln($this->nProcessed . " (re-)processed");
+        $this->output->writeln($this->nProcessed.' (re-)processed');
-        $this->output->writeln("==========================================");
+        $this->output->writeln('==========================================');
 
         return 0;
     }
 
-    private function generateUserEntries(IUser &$user, bool &$refresh): void {
+    /** Make sure exiftool is available */
+    private function testExif()
+    {
+        $testfile = __DIR__.'/../../exiftest.jpg';
+        $stream = fopen($testfile, 'r');
+        if (!$stream) {
+            error_log("Couldn't open Exif test file {$testfile}");
+
+            return false;
+        }
+
+        $exif = null;
+
+        try {
+            $exif = \OCA\Memories\Exif::getExifFromStream($stream);
+        } catch (\Exception $e) {
+            error_log("Couldn't read Exif data from test file: ".$e->getMessage());
+
+            return false;
+        } finally {
+            fclose($stream);
+        }
+
+        if (!$exif) {
+            error_log('Got blank Exif data from test file');
+
+            return false;
+        }
+
+        if ('2004:08:31 19:52:58' !== $exif['DateTimeOriginal']) {
+            error_log('Got unexpected Exif data from test file');
+
+            return false;
+        }
+
+        return true;
+    }
+
+    private function generateUserEntries(IUser &$user, bool &$refresh): void
+    {
         \OC_Util::tearDownFS();
         \OC_Util::setupFS($user->getUID());
 
@@ -215,17 +232,19 @@ class Index extends Command {
         $this->parseFolder($userFolder, $refresh);
     }
 
-    private function parseFolder(Folder &$folder, bool &$refresh): void {
+    private function parseFolder(Folder &$folder, bool &$refresh): void
+    {
         try {
             $folderPath = $folder->getPath();
 
             // Respect the '.nomedia' file. If present don't traverse the folder
             if ($folder->nodeExists('.nomedia')) {
-		        $this->output->writeln('Skipping folder ' . $folderPath);
+                $this->output->writeln('Skipping folder '.$folderPath);
+
                 return;
             }
 
-            $this->output->writeln('Scanning folder ' . $folderPath);
+            $this->output->writeln('Scanning folder '.$folderPath);
 
             $nodes = $folder->getDirectoryListing();
 
@@ -237,21 +256,23 @@ class Index extends Command {
                 }
             }
         } catch (StorageNotAvailableException $e) {
-            $this->output->writeln(sprintf('<error>Storage for folder folder %s is not available: %s</error>',
+            $this->output->writeln(sprintf(
+                '<error>Storage for folder folder %s is not available: %s</error>',
                 $folder->getPath(),
                 $e->getHint()
             ));
         }
     }
 
-    private function parseFile(File &$file, bool &$refresh): void {
+    private function parseFile(File &$file, bool &$refresh): void
+    {
         $res = $this->timelineWrite->processFile($file, $refresh);
-        if ($res === 2) {
+        if (2 === $res) {
-            $this->nProcessed++;
+            ++$this->nProcessed;
-        } else if ($res === 1) {
+        } elseif (1 === $res) {
-            $this->nSkipped++;
+            ++$this->nSkipped;
         } else {
-            $this->nInvalid++;
+            ++$this->nInvalid;
         }
     }
 }

lib/Controller/ApiController.php

@@ -1,11 +1,10 @@
 <?php
 
 declare(strict_types=1);
+
 /**
  * @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
- *
  * @author John Molakvoæ <skjnldsv@protonmail.com>
- *
  * @license AGPL-3.0-or-later
  *
  * This program is free software: you can redistribute it and/or modify
@@ -20,7 +19,6 @@ declare(strict_types=1);
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
  */
 
 namespace OCA\Memories\Controller;
@@ -32,21 +30,22 @@ use OCA\Memories\Exif;
 use OCP\App\IAppManager;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\ContentSecurityPolicy;
+use OCP\AppFramework\Http\DataDisplayResponse;
+use OCP\AppFramework\Http\DataResponse;
 use OCP\AppFramework\Http\JSONResponse;
 use OCP\AppFramework\Http\StreamResponse;
-use OCP\AppFramework\Http\ContentSecurityPolicy;
-use OCP\AppFramework\Http\DataResponse;
-use OCP\AppFramework\Http\DataDisplayResponse;
-use OCP\Files\IRootFolder;
 use OCP\Files\FileInfo;
 use OCP\Files\Folder;
+use OCP\Files\IRootFolder;
 use OCP\IConfig;
 use OCP\IDBConnection;
+use OCP\IPreview;
 use OCP\IRequest;
 use OCP\IUserSession;
-use OCP\IPreview;
 
-class ApiController extends Controller {
+class ApiController extends Controller
+{
     private IConfig $config;
     private IUserSession $userSession;
     private IDBConnection $connection;
@@ -63,8 +62,9 @@ class ApiController extends Controller {
         IDBConnection $connection,
         IRootFolder $rootFolder,
         IAppManager $appManager,
-        IPreview $previewManager) {
+        IPreview $previewManager
-
+    )
+    {
         parent::__construct(Application::APPNAME, $request);
 
         $this->config = $config;
@@ -77,117 +77,23 @@ class ApiController extends Controller {
         $this->timelineWrite = new TimelineWrite($connection);
     }
 
-    /**
-     * Get transformations depending on the request
-     */
-    private function getTransformations() {
-        $transforms = array();
-
-        // Filter only favorites
-        if ($this->request->getParam('fav')) {
-            $transforms[] = array($this->timelineQuery, 'transformFavoriteFilter');
-        }
-
-        // Filter only videos
-        if ($this->request->getParam('vid')) {
-            $transforms[] = array($this->timelineQuery, 'transformVideoFilter');
-        }
-
-        // Filter only for one face
-        if ($this->recognizeIsEnabled()) {
-            $face = $this->request->getParam('face');
-            if ($face) {
-                $transforms[] = array($this->timelineQuery, 'transformFaceFilter', $face);
-            }
-
-            $faceRect = $this->request->getParam('facerect');
-            if ($faceRect) {
-                $transforms[] = array($this->timelineQuery, 'transformFaceRect', $face);
-            }
-        }
-
-        // Filter only for one tag
-        if ($this->tagsIsEnabled()) {
-            $tagName = $this->request->getParam('tag');
-            if ($tagName) {
-                $transforms[] = array($this->timelineQuery, 'transformTagFilter', $tagName);
-            }
-        }
-
-        // Limit number of responses for day query
-        $limit = $this->request->getParam('limit');
-        if ($limit) {
-            $transforms[] = array($this->timelineQuery, 'transformLimitDay', intval($limit));
-        }
-
-        return $transforms;
-    }
-
-    /** Preload a few "day" at the start of "days" response */
-    private function preloadDays(array &$days, Folder &$folder, bool $recursive, bool $archive) {
-        $uid = $this->userSession->getUser()->getUID();
-        $transforms = $this->getTransformations();
-        $preloaded = 0;
-        foreach ($days as &$day) {
-            $day["detail"] = $this->timelineQuery->getDay(
-                $folder,
-                $uid,
-                [$day["dayid"]],
-                $recursive,
-                $archive,
-                $transforms,
-            );
-            $day["count"] = count($day["detail"]); // make sure count is accurate
-            $preloaded += $day["count"];
-
-            if ($preloaded >= 50) { // should be enough
-                break;
-            }
-        }
-    }
-
-    /** Get the Folder object relevant to the request */
-    private function getRequestFolder() {
-        $uid = $this->userSession->getUser()->getUID();
-        try {
-            $folder = null;
-            $folderPath = $this->request->getParam('folder');
-            $userFolder = $this->rootFolder->getUserFolder($uid);
-
-            if (!is_null($folderPath)) {
-                $folder = $userFolder->get($folderPath);
-            } else {
-                $configPath = Exif::removeExtraSlash(Exif::getPhotosPath($this->config, $uid));
-                $folder = $userFolder->get($configPath);
-            }
-
-            if (!$folder instanceof Folder) {
-                throw new \Exception("Folder not found");
-            }
-        } catch (\Exception $e) {
-            return null;
-        }
-        return $folder;
-    }
-
     /**
      * @NoAdminRequired
-     *
-     * @return JSONResponse
      */
-    public function days(): JSONResponse {
+    public function days(): JSONResponse
+    {
         $user = $this->userSession->getUser();
-        if (is_null($user)) {
+        if (null === $user) {
             return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
         }
         $uid = $user->getUID();
 
         // Get the folder to show
         $folder = $this->getRequestFolder();
-        $recursive = is_null($this->request->getParam('folder'));
+        $recursive = null === $this->request->getParam('folder');
-        $archive = !is_null($this->request->getParam('archive'));
+        $archive = null !== $this->request->getParam('archive');
-        if (is_null($folder)) {
+        if (null === $folder) {
-            return new JSONResponse(["message" => "Folder not found"], Http::STATUS_NOT_FOUND);
+            return new JSONResponse(['message' => 'Folder not found'], Http::STATUS_NOT_FOUND);
         }
 
         // Run actual query
@@ -210,56 +116,55 @@ class ApiController extends Controller {
 
             return new JSONResponse($list, Http::STATUS_OK);
         } catch (\Exception $e) {
-            return new JSONResponse(["message" => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
+            return new JSONResponse(['message' => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
         }
     }
 
     /**
      * @NoAdminRequired
-     *
-     * @return JSONResponse
      */
-    public function dayPost(): JSONResponse {
+    public function dayPost(): JSONResponse
+    {
         $id = $this->request->getParam('body_ids');
-        if (is_null($id)) {
+        if (null === $id) {
             return new JSONResponse([], Http::STATUS_BAD_REQUEST);
         }
+
         return $this->day($id);
     }
 
     /**
      * @NoAdminRequired
-     *
-     * @return JSONResponse
      */
-    public function day(string $id): JSONResponse {
+    public function day(string $id): JSONResponse
+    {
         $user = $this->userSession->getUser();
-        if (is_null($user)) {
+        if (null === $user) {
             return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
         }
         $uid = $user->getUID();
 
         // Check for wildcard
         $day_ids = [];
-        if ($id === "*") {
+        if ('*' === $id) {
             $day_ids = null;
         } else {
             // Split at commas and convert all parts to int
             $day_ids = array_map(function ($part) {
-                return intval($part);
+                return (int) $part;
-            }, explode(",", $id));
+            }, explode(',', $id));
         }
 
         // Check if $day_ids is empty
-        if (!is_null($day_ids) && count($day_ids) === 0) {
+        if (null !== $day_ids && 0 === \count($day_ids)) {
             return new JSONResponse([], Http::STATUS_OK);
         }
 
         // Get the folder to show
         $folder = $this->getRequestFolder();
-        $recursive = is_null($this->request->getParam('folder'));
+        $recursive = null === $this->request->getParam('folder');
-        $archive = !is_null($this->request->getParam('archive'));
+        $archive = null !== $this->request->getParam('archive');
-        if (is_null($folder)) {
+        if (null === $folder) {
             return new JSONResponse([], Http::STATUS_NOT_FOUND);
         }
 
@@ -273,16 +178,18 @@ class ApiController extends Controller {
                 $archive,
                 $this->getTransformations(),
             );
+
             return new JSONResponse($list, Http::STATUS_OK);
         } catch (\Exception $e) {
-            return new JSONResponse(["message" => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
+            return new JSONResponse(['message' => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
         }
     }
 
     /**
-     * Get subfolders entry for days response
+     * Get subfolders entry for days response.
      */
-    public function getSubfoldersEntry(Folder &$folder) {
+    public function getSubfoldersEntry(Folder &$folder)
+    {
         // Ugly: get the view of the folder with reflection
         // This is unfortunately the only way to get the contents of a folder
         // matching a MIME type without using SEARCH, which is deep
@@ -294,20 +201,20 @@ class ApiController extends Controller {
         $folders = $view->getDirectoryContent($folder->getPath(), FileInfo::MIMETYPE_FOLDER, $folder);
 
         // Sort by name
-        usort($folders, function($a, $b) {
+        usort($folders, function ($a, $b) {
             return strnatcmp($a->getName(), $b->getName());
         });
 
         // Process to response type
         return [
-            "dayid" => \OCA\Memories\Util::$TAG_DAYID_FOLDERS,
+            'dayid' => \OCA\Memories\Util::$TAG_DAYID_FOLDERS,
-            "count" => count($folders),
+            'count' => \count($folders),
-            "detail" => array_map(function ($node) {
+            'detail' => array_map(function ($node) {
                 return [
-                    "fileid" => $node->getId(),
+                    'fileid' => $node->getId(),
-                    "name" => $node->getName(),
+                    'name' => $node->getName(),
-                    "isfolder" => 1,
+                    'isfolder' => 1,
-                    "path" => $node->getPath(),
+                    'path' => $node->getPath(),
                 ];
             }, $folders, []),
         ];
@@ -317,22 +224,22 @@ class ApiController extends Controller {
      * @NoAdminRequired
      *
      * Get list of tags with counts of images
-     * @return JSONResponse
      */
-    public function tags(): JSONResponse {
+    public function tags(): JSONResponse
+    {
         $user = $this->userSession->getUser();
-        if (is_null($user)) {
+        if (null === $user) {
             return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
         }
 
         // Check tags enabled for this user
         if (!$this->tagsIsEnabled()) {
-            return new JSONResponse(["message" => "Tags not enabled for user"], Http::STATUS_PRECONDITION_FAILED);
+            return new JSONResponse(['message' => 'Tags not enabled for user'], Http::STATUS_PRECONDITION_FAILED);
         }
 
         // If this isn't the timeline folder then things aren't going to work
         $folder = $this->getRequestFolder();
-        if (is_null($folder)) {
+        if (null === $folder) {
             return new JSONResponse([], Http::STATUS_NOT_FOUND);
         }
 
@@ -347,21 +254,21 @@ class ApiController extends Controller {
         // Convert to map with key as systemtagid
         $previews_map = [];
         foreach ($previews as &$preview) {
-            $key = $preview["systemtagid"];
+            $key = $preview['systemtagid'];
-            if (!array_key_exists($key, $previews_map)) {
+            if (!\array_key_exists($key, $previews_map)) {
                 $previews_map[$key] = [];
             }
-            unset($preview["systemtagid"]);
+            unset($preview['systemtagid']);
             $previews_map[$key][] = $preview;
         }
 
         // Add previews to list
         foreach ($list as &$tag) {
-            $key = $tag["id"];
+            $key = $tag['id'];
-            if (array_key_exists($key, $previews_map)) {
+            if (\array_key_exists($key, $previews_map)) {
-                $tag["previews"] = $previews_map[$key];
+                $tag['previews'] = $previews_map[$key];
             } else {
-                $tag["previews"] = [];
+                $tag['previews'] = [];
             }
         }
 
@@ -372,22 +279,22 @@ class ApiController extends Controller {
      * @NoAdminRequired
      *
      * Get list of faces with counts of images
-     * @return JSONResponse
      */
-    public function faces(): JSONResponse {
+    public function faces(): JSONResponse
+    {
         $user = $this->userSession->getUser();
-        if (is_null($user)) {
+        if (null === $user) {
             return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
         }
 
         // Check faces enabled for this user
         if (!$this->recognizeIsEnabled()) {
-            return new JSONResponse(["message" => "Recognize app not enabled or not v3+"], Http::STATUS_PRECONDITION_FAILED);
+            return new JSONResponse(['message' => 'Recognize app not enabled or not v3+'], Http::STATUS_PRECONDITION_FAILED);
         }
 
         // If this isn't the timeline folder then things aren't going to work
         $folder = $this->getRequestFolder();
-        if (is_null($folder)) {
+        if (null === $folder) {
             return new JSONResponse([], Http::STATUS_NOT_FOUND);
         }
 
@@ -401,14 +308,17 @@ class ApiController extends Controller {
 
     /**
      * @NoAdminRequired
+     *
      * @NoCSRFRequired
      *
      * Get face preview image cropped with imagick
+     *
      * @return DataResponse
      */
-    public function facePreview(string $id): Http\Response {
+    public function facePreview(string $id): Http\Response
+    {
         $user = $this->userSession->getUser();
-        if (is_null($user)) {
+        if (null === $user) {
             return new DataResponse([], Http::STATUS_PRECONDITION_FAILED);
         }
 
@@ -419,13 +329,13 @@ class ApiController extends Controller {
 
         // Get folder to search for
         $folder = $this->getRequestFolder();
-        if (is_null($folder)) {
+        if (null === $folder) {
             return new JSONResponse([], Http::STATUS_NOT_FOUND);
         }
 
         // Run actual query
-        $detections = $this->timelineQuery->getFacePreviewDetection($folder, intval($id));
+        $detections = $this->timelineQuery->getFacePreviewDetection($folder, (int) $id);
-        if (is_null($detections) || count($detections) == 0) {
+        if (null === $detections || 0 === \count($detections)) {
             return new DataResponse([], Http::STATUS_NOT_FOUND);
         }
 
@@ -433,8 +343,8 @@ class ApiController extends Controller {
         $preview = null;
         foreach ($detections as &$detection) {
             // Get the file (also checks permissions)
-            $files = $folder->getById($detection["file_id"]);
+            $files = $folder->getById($detection['file_id']);
-            if (count($files) == 0 || $files[0]->getType() != FileInfo::TYPE_FILE) {
+            if (0 === \count($files) || FileInfo::TYPE_FILE !== $files[0]->getType()) {
                 continue;
             }
 
@@ -450,7 +360,7 @@ class ApiController extends Controller {
         }
 
         // Make sure the preview is valid
-        if (is_null($preview)) {
+        if (null === $preview) {
             return new DataResponse([], Http::STATUS_NOT_FOUND);
         }
 
@@ -459,16 +369,16 @@ class ApiController extends Controller {
         $image->readImageBlob($preview->getContent());
         $iw = $image->getImageWidth();
         $ih = $image->getImageHeight();
-        $dw = floatval($detection["width"]);
+        $dw = (float) ($detection['width']);
-        $dh = floatval($detection["height"]);
+        $dh = (float) ($detection['height']);
-        $dcx = floatval($detection["x"]) + floatval($detection["width"]) / 2;
+        $dcx = (float) ($detection['x']) + (float) ($detection['width']) / 2;
-        $dcy = floatval($detection["y"]) + floatval($detection["height"]) / 2;
+        $dcy = (float) ($detection['y']) + (float) ($detection['height']) / 2;
         $faceDim = max($dw * $iw, $dh * $ih) * 1.5;
         $image->cropImage(
-            intval($faceDim),
+            (int) $faceDim,
-            intval($faceDim),
+            (int) $faceDim,
-            intval($dcx * $iw - $faceDim / 2),
+            (int) ($dcx * $iw - $faceDim / 2),
-            intval($dcy * $ih - $faceDim / 2),
+            (int) ($dcy * $ih - $faceDim / 2),
         );
         $image->scaleImage(256, 256, true);
         $blob = $image->getImageBlob();
@@ -478,6 +388,7 @@ class ApiController extends Controller {
             'Content-Type' => $image->getImageMimeType(),
         ]);
         $response->cacheFor(3600 * 24, false, false);
+
         return $response;
     }
 
@@ -485,18 +396,20 @@ class ApiController extends Controller {
      * @NoAdminRequired
      *
      * Get image info for one file
+     *
      * @param string fileid
      */
-    public function imageInfo(string $id): JSONResponse {
+    public function imageInfo(string $id): JSONResponse
+    {
         $user = $this->userSession->getUser();
-        if (is_null($user)) {
+        if (null === $user) {
             return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
         }
         $userFolder = $this->rootFolder->getUserFolder($user->getUID());
 
         // Check for permissions and get numeric Id
-        $file = $userFolder->getById(intval($id));
+        $file = $userFolder->getById((int) $id);
-        if (count($file) === 0) {
+        if (0 === \count($file)) {
             return new JSONResponse([], Http::STATUS_NOT_FOUND);
         }
         $file = $file[0];
@@ -511,18 +424,20 @@ class ApiController extends Controller {
      * @NoAdminRequired
      *
      * Change exif data for one file
+     *
      * @param string fileid
      */
-    public function imageEdit(string $id): JSONResponse {
+    public function imageEdit(string $id): JSONResponse
+    {
         $user = $this->userSession->getUser();
-        if (is_null($user)) {
+        if (null === $user) {
             return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
         }
         $userFolder = $this->rootFolder->getUserFolder($user->getUID());
 
         // Check for permissions and get numeric Id
-        $file = $userFolder->getById(intval($id));
+        $file = $userFolder->getById((int) $id);
-        if (count($file) === 0) {
+        if (0 === \count($file)) {
             return new JSONResponse([], Http::STATUS_NOT_FOUND);
         }
         $file = $file[0];
@@ -535,24 +450,24 @@ class ApiController extends Controller {
         // Get new date from body
         $body = $this->request->getParams();
         if (!isset($body['date'])) {
-            return new JSONResponse(["message" => "Missing date"], Http::STATUS_BAD_REQUEST);
+            return new JSONResponse(['message' => 'Missing date'], Http::STATUS_BAD_REQUEST);
         }
 
         // Make sure the date is valid
         try {
             Exif::parseExifDate($body['date']);
         } catch (\Exception $e) {
-            return new JSONResponse(["message" => $e->getMessage()], Http::STATUS_BAD_REQUEST);
+            return new JSONResponse(['message' => $e->getMessage()], Http::STATUS_BAD_REQUEST);
         }
 
         // Update date
         try {
             $res = Exif::updateExifDate($file, $body['date']);
-            if ($res === false) {
+            if (false === $res) {
                 return new JSONResponse([], Http::STATUS_INTERNAL_SERVER_ERROR);
             }
         } catch (\Exception $e) {
-            return new JSONResponse(["message" => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
+            return new JSONResponse(['message' => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
         }
 
         // Reprocess the file
@@ -565,66 +480,68 @@ class ApiController extends Controller {
      * @NoAdminRequired
      *
      * Move one file to the archive folder
+     *
      * @param string fileid
      */
-    public function archive(string $id): JSONResponse {
+    public function archive(string $id): JSONResponse
+    {
         $user = $this->userSession->getUser();
-        if (is_null($user)) {
+        if (null === $user) {
-            return new JSONResponse(["message" => "Not logged in"], Http::STATUS_PRECONDITION_FAILED);
+            return new JSONResponse(['message' => 'Not logged in'], Http::STATUS_PRECONDITION_FAILED);
         }
         $uid = $user->getUID();
         $userFolder = $this->rootFolder->getUserFolder($uid);
 
         // Check for permissions and get numeric Id
-        $file = $userFolder->getById(intval($id));
+        $file = $userFolder->getById((int) $id);
-        if (count($file) === 0) {
+        if (0 === \count($file)) {
-            return new JSONResponse(["message" => "No such file"], Http::STATUS_NOT_FOUND);
+            return new JSONResponse(['message' => 'No such file'], Http::STATUS_NOT_FOUND);
         }
         $file = $file[0];
 
         // Check if user has permissions
         if (!$file->isUpdateable()) {
-            return new JSONResponse(["message" => "Cannot update this file"], Http::STATUS_FORBIDDEN);
+            return new JSONResponse(['message' => 'Cannot update this file'], Http::STATUS_FORBIDDEN);
         }
 
         // Create archive folder in the root of the user's configured timeline
         $timelinePath = Exif::removeExtraSlash(Exif::getPhotosPath($this->config, $uid));
         $timelineFolder = $userFolder->get($timelinePath);
-        if (is_null($timelineFolder) || !$timelineFolder instanceof Folder) {
+        if (null === $timelineFolder || !$timelineFolder instanceof Folder) {
-            return new JSONResponse(["message" => "Cannot get timeline"], Http::STATUS_INTERNAL_SERVER_ERROR);
+            return new JSONResponse(['message' => 'Cannot get timeline'], Http::STATUS_INTERNAL_SERVER_ERROR);
         }
         if (!$timelineFolder->isCreatable()) {
-            return new JSONResponse(["message" => "Cannot create archive folder"], Http::STATUS_FORBIDDEN);
+            return new JSONResponse(['message' => 'Cannot create archive folder'], Http::STATUS_FORBIDDEN);
         }
 
         // Get path of current file relative to the timeline folder
         // remove timelineFolder path from start of file path
         $timelinePath = $timelineFolder->getPath(); // no trailing slash
-        if (substr($file->getPath(), 0, strlen($timelinePath)) !== $timelinePath) {
+        if (substr($file->getPath(), 0, \strlen($timelinePath)) !== $timelinePath) {
-            return new JSONResponse(["message" => "Files outside timeline cannot be archived"], Http::STATUS_INTERNAL_SERVER_ERROR);
+            return new JSONResponse(['message' => 'Files outside timeline cannot be archived'], Http::STATUS_INTERNAL_SERVER_ERROR);
         }
-        $relativePath = substr($file->getPath(), strlen($timelinePath)); // has a leading slash
+        $relativePath = substr($file->getPath(), \strlen($timelinePath)); // has a leading slash
 
         // Final path of the file including the file name
         $destinationPath = '';
 
         // Check if we want to archive or unarchive
         $body = $this->request->getParams();
-        $unarchive = isset($body['archive']) && $body['archive'] === false;
+        $unarchive = isset($body['archive']) && false === $body['archive'];
 
         // Get if the file is already in the archive (relativePath starts with archive)
-        $archiveFolderWithLeadingSlash = '/' . \OCA\Memories\Util::$ARCHIVE_FOLDER;
+        $archiveFolderWithLeadingSlash = '/'.\OCA\Memories\Util::$ARCHIVE_FOLDER;
-        if (substr($relativePath, 0, strlen($archiveFolderWithLeadingSlash)) === $archiveFolderWithLeadingSlash) {
+        if (substr($relativePath, 0, \strlen($archiveFolderWithLeadingSlash)) === $archiveFolderWithLeadingSlash) {
             // file already in archive, remove it instead
-            $destinationPath = substr($relativePath, strlen($archiveFolderWithLeadingSlash));
+            $destinationPath = substr($relativePath, \strlen($archiveFolderWithLeadingSlash));
             if (!$unarchive) {
-                return new JSONResponse(["message" => "File already archived"], Http::STATUS_BAD_REQUEST);
+                return new JSONResponse(['message' => 'File already archived'], Http::STATUS_BAD_REQUEST);
             }
         } else {
             // file not in archive, put it in there
-            $destinationPath = Exif::removeExtraSlash(\OCA\Memories\Util::$ARCHIVE_FOLDER . $relativePath);
+            $destinationPath = Exif::removeExtraSlash(\OCA\Memories\Util::$ARCHIVE_FOLDER.$relativePath);
             if ($unarchive) {
-                return new JSONResponse(["message" => "File not archived"], Http::STATUS_BAD_REQUEST);
+                return new JSONResponse(['message' => 'File not archived'], Http::STATUS_BAD_REQUEST);
             }
         }
 
@@ -635,11 +552,12 @@ class ApiController extends Controller {
         // Create folder tree
         $folder = $timelineFolder;
         foreach ($destinationFolders as $folderName) {
-            if ($folderName === '') {
+            if ('' === $folderName) {
                 continue;
             }
+
             try {
-                $existingFolder = $folder->get($folderName . '/');
+                $existingFolder = $folder->get($folderName.'/');
                 if (!$existingFolder instanceof Folder) {
                     throw new \OCP\Files\NotFoundException('Not a folder');
                 }
@@ -648,46 +566,27 @@ class ApiController extends Controller {
                 try {
                     $folder = $folder->newFolder($folderName);
                 } catch (\OCP\Files\NotPermittedException $e) {
-                    return new JSONResponse(["message" => "Failed to create folder"], Http::STATUS_FORBIDDEN);
+                    return new JSONResponse(['message' => 'Failed to create folder'], Http::STATUS_FORBIDDEN);
                 }
             }
         }
 
         // Move file to archive folder
         try {
-            $file->move($folder->getPath() . '/' . $file->getName());
+            $file->move($folder->getPath().'/'.$file->getName());
         } catch (\OCP\Files\NotPermittedException $e) {
-            return new JSONResponse(["message" => "Failed to move file"], Http::STATUS_FORBIDDEN);
+            return new JSONResponse(['message' => 'Failed to move file'], Http::STATUS_FORBIDDEN);
         } catch (\OCP\Files\NotFoundException $e) {
-            return new JSONResponse(["message" => "File not found"], Http::STATUS_INTERNAL_SERVER_ERROR);
+            return new JSONResponse(['message' => 'File not found'], Http::STATUS_INTERNAL_SERVER_ERROR);
         } catch (\OCP\Files\InvalidPathException $e) {
-            return new JSONResponse(["message" => "Invalid path"], Http::STATUS_INTERNAL_SERVER_ERROR);
+            return new JSONResponse(['message' => 'Invalid path'], Http::STATUS_INTERNAL_SERVER_ERROR);
         } catch (\OCP\Lock\LockedException $e) {
-            return new JSONResponse(["message" => "File is locked"], Http::STATUS_INTERNAL_SERVER_ERROR);
+            return new JSONResponse(['message' => 'File is locked'], Http::STATUS_INTERNAL_SERVER_ERROR);
         }
 
         return new JSONResponse([], Http::STATUS_OK);
     }
 
-    /**
-     * Check if tags is enabled for this user
-     */
-    private function tagsIsEnabled(): bool {
-        return $this->appManager->isEnabledForUser('systemtags');
-    }
-
-    /**
-     * Check if recognize is enabled for this user
-     */
-    private function recognizeIsEnabled(): bool {
-        if (!$this->appManager->isEnabledForUser('recognize')) {
-            return false;
-        }
-
-        $v = $this->appManager->getAppInfo('recognize')["version"];
-        return version_compare($v, "3.0.0-alpha", ">=");
-    }
-
     /**
      * @NoAdminRequired
      *
@@ -698,32 +597,157 @@ class ApiController extends Controller {
      *
      * @return JSONResponse an empty JSONResponse with respective http status code
      */
-    public function setUserConfig(string $key, string $value): JSONResponse {
+    public function setUserConfig(string $key, string $value): JSONResponse
+    {
         $user = $this->userSession->getUser();
-        if (is_null($user)) {
+        if (null === $user) {
             return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
         }
 
         $userId = $user->getUid();
         $this->config->setUserValue($userId, Application::APPNAME, $key, $value);
+
         return new JSONResponse([], Http::STATUS_OK);
     }
 
     /**
      * @NoAdminRequired
+     *
      * @NoCSRFRequired
      */
-	public function serviceWorker(): StreamResponse {
+    public function serviceWorker(): StreamResponse
+    {
         $response = new StreamResponse(__DIR__.'/../../js/memories-service-worker.js');
         $response->setHeaders([
             'Content-Type' => 'application/javascript',
-			'Service-Worker-Allowed' => '/'
+            'Service-Worker-Allowed' => '/',
         ]);
         $policy = new ContentSecurityPolicy();
         $policy->addAllowedWorkerSrcDomain("'self'");
         $policy->addAllowedScriptDomain("'self'");
         $policy->addAllowedConnectDomain("'self'");
         $response->setContentSecurityPolicy($policy);
+
         return $response;
     }
+
+    /**
+     * Get transformations depending on the request.
+     */
+    private function getTransformations()
+    {
+        $transforms = [];
+
+        // Filter only favorites
+        if ($this->request->getParam('fav')) {
+            $transforms[] = [$this->timelineQuery, 'transformFavoriteFilter'];
+        }
+
+        // Filter only videos
+        if ($this->request->getParam('vid')) {
+            $transforms[] = [$this->timelineQuery, 'transformVideoFilter'];
+        }
+
+        // Filter only for one face
+        if ($this->recognizeIsEnabled()) {
+            $face = $this->request->getParam('face');
+            if ($face) {
+                $transforms[] = [$this->timelineQuery, 'transformFaceFilter', $face];
+            }
+
+            $faceRect = $this->request->getParam('facerect');
+            if ($faceRect) {
+                $transforms[] = [$this->timelineQuery, 'transformFaceRect', $face];
+            }
+        }
+
+        // Filter only for one tag
+        if ($this->tagsIsEnabled()) {
+            $tagName = $this->request->getParam('tag');
+            if ($tagName) {
+                $transforms[] = [$this->timelineQuery, 'transformTagFilter', $tagName];
+            }
+        }
+
+        // Limit number of responses for day query
+        $limit = $this->request->getParam('limit');
+        if ($limit) {
+            $transforms[] = [$this->timelineQuery, 'transformLimitDay', (int) $limit];
+        }
+
+        return $transforms;
+    }
+
+    /** Preload a few "day" at the start of "days" response */
+    private function preloadDays(array &$days, Folder &$folder, bool $recursive, bool $archive)
+    {
+        $uid = $this->userSession->getUser()->getUID();
+        $transforms = $this->getTransformations();
+        $preloaded = 0;
+        foreach ($days as &$day) {
+            $day['detail'] = $this->timelineQuery->getDay(
+                $folder,
+                $uid,
+                [$day['dayid']],
+                $recursive,
+                $archive,
+                $transforms,
+            );
+            $day['count'] = \count($day['detail']); // make sure count is accurate
+            $preloaded += $day['count'];
+
+            if ($preloaded >= 50) { // should be enough
+                break;
+            }
+        }
+    }
+
+    /** Get the Folder object relevant to the request */
+    private function getRequestFolder()
+    {
+        $uid = $this->userSession->getUser()->getUID();
+
+        try {
+            $folder = null;
+            $folderPath = $this->request->getParam('folder');
+            $userFolder = $this->rootFolder->getUserFolder($uid);
+
+            if (null !== $folderPath) {
+                $folder = $userFolder->get($folderPath);
+            } else {
+                $configPath = Exif::removeExtraSlash(Exif::getPhotosPath($this->config, $uid));
+                $folder = $userFolder->get($configPath);
+            }
+
+            if (!$folder instanceof Folder) {
+                throw new \Exception('Folder not found');
+            }
+        } catch (\Exception $e) {
+            return null;
+        }
+
+        return $folder;
+    }
+
+    /**
+     * Check if tags is enabled for this user.
+     */
+    private function tagsIsEnabled(): bool
+    {
+        return $this->appManager->isEnabledForUser('systemtags');
+    }
+
+    /**
+     * Check if recognize is enabled for this user.
+     */
+    private function recognizeIsEnabled(): bool
+    {
+        if (!$this->appManager->isEnabledForUser('recognize')) {
+            return false;
+        }
+
+        $v = $this->appManager->getAppInfo('recognize')['version'];
+
+        return version_compare($v, '3.0.0-alpha', '>=');
+    }
 }

lib/Controller/PageController.php

@@ -1,26 +1,27 @@
 <?php
+
 namespace OCA\Memories\Controller;
 
-use OCP\IRequest;
-use OCP\AppFramework\Services\IInitialState;
-use OCP\AppFramework\Http\TemplateResponse;
-use OCA\Viewer\Event\LoadViewer;
 use OCA\Files\Event\LoadSidebar;
-use OCP\AppFramework\Controller;
+use OCA\Memories\AppInfo\Application;
+use OCA\Viewer\Event\LoadViewer;
 use OCP\App\IAppManager;
-use OCP\EventDispatcher\IEventDispatcher;
+use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\ContentSecurityPolicy;
+use OCP\AppFramework\Http\TemplateResponse;
+use OCP\AppFramework\Services\IInitialState;
+use OCP\EventDispatcher\IEventDispatcher;
 use OCP\IConfig;
+use OCP\IRequest;
 use OCP\IUserSession;
 use OCP\Util;
 
-use OCA\Memories\AppInfo\Application;
+class PageController extends Controller
-
+{
-class PageController extends Controller {
     protected $userId;
     protected $appName;
-    private IAppManager $appManager;
     protected IEventDispatcher $eventDispatcher;
+    private IAppManager $appManager;
     private IInitialState $initialState;
     private IUserSession $userSession;
     private IConfig $config;
@@ -33,8 +34,9 @@ class PageController extends Controller {
         IEventDispatcher $eventDispatcher,
         IInitialState $initialState,
         IUserSession $userSession,
-        IConfig $config) {
+        IConfig $config
-
+    )
+    {
         parent::__construct($AppName, $request);
         $this->userId = $UserId;
         $this->appName = $AppName;
@@ -47,11 +49,13 @@ class PageController extends Controller {
 
     /**
      * @NoAdminRequired
+     *
      * @NoCSRFRequired
      */
-    public function main() {
+    public function main()
+    {
         $user = $this->userSession->getUser();
-        if (is_null($user)) {
+        if (null === $user) {
             return null;
         }
 
@@ -65,12 +69,16 @@ class PageController extends Controller {
         $timelinePath = \OCA\Memories\Util::getPhotosPath($this->config, $uid);
         $this->initialState->provideInitialState('timelinePath', $timelinePath);
         $this->initialState->provideInitialState('showHidden', $this->config->getUserValue(
-            $uid, Application::APPNAME, 'showHidden', false));
+            $uid,
+            Application::APPNAME,
+            'showHidden',
+            false
+        ));
 
         // Apps enabled
-        $this->initialState->provideInitialState('systemtags', $this->appManager->isEnabledForUser('systemtags') === true);
+        $this->initialState->provideInitialState('systemtags', true === $this->appManager->isEnabledForUser('systemtags'));
-        $this->initialState->provideInitialState('recognize', $this->appManager->isEnabledForUser('recognize') === true);
+        $this->initialState->provideInitialState('recognize', true === $this->appManager->isEnabledForUser('recognize'));
-        $this->initialState->provideInitialState('version', $this->appManager->getAppInfo('memories')["version"]);
+        $this->initialState->provideInitialState('version', $this->appManager->getAppInfo('memories')['version']);
 
         $policy = new ContentSecurityPolicy();
         $policy->addAllowedWorkerSrcDomain("'self'");
@@ -78,62 +86,77 @@ class PageController extends Controller {
 
         $response = new TemplateResponse($this->appName, 'main');
         $response->setContentSecurityPolicy($policy);
+
         return $response;
     }
 
     /**
      * @NoAdminRequired
+     *
      * @NoCSRFRequired
      */
-    public function folder() {
+    public function folder()
+    {
         return $this->main();
     }
 
     /**
      * @NoAdminRequired
+     *
      * @NoCSRFRequired
      */
-    public function favorites() {
+    public function favorites()
+    {
         return $this->main();
     }
 
     /**
      * @NoAdminRequired
+     *
      * @NoCSRFRequired
      */
-    public function videos() {
+    public function videos()
+    {
         return $this->main();
     }
 
     /**
      * @NoAdminRequired
+     *
      * @NoCSRFRequired
      */
-    public function archive() {
+    public function archive()
+    {
         return $this->main();
     }
 
     /**
      * @NoAdminRequired
+     *
      * @NoCSRFRequired
      */
-    public function thisday() {
+    public function thisday()
+    {
         return $this->main();
     }
 
     /**
      * @NoAdminRequired
+     *
      * @NoCSRFRequired
      */
-    public function people() {
+    public function people()
+    {
         return $this->main();
     }
 
     /**
      * @NoAdminRequired
+     *
      * @NoCSRFRequired
      */
-    public function tags() {
+    public function tags()
+    {
         return $this->main();
     }
 }

lib/Db/TimelineQuery.php

@@ -1,41 +1,48 @@
 <?php
+
 declare(strict_types=1);
 
 namespace OCA\Memories\Db;
 
 use OCP\IDBConnection;
 
-class TimelineQuery {
+class TimelineQuery
+{
     use TimelineQueryDays;
+    use TimelineQueryFaces;
     use TimelineQueryFilters;
     use TimelineQueryTags;
-    use TimelineQueryFaces;
 
     protected IDBConnection $connection;
 
-    public function __construct(IDBConnection $connection) {
+    public function __construct(IDBConnection $connection)
+    {
         $this->connection = $connection;
     }
 
-    public function getInfoById(int $id): array {
+    public function getInfoById(int $id): array
+    {
         $qb = $this->connection->getQueryBuilder();
         $qb->select('fileid', 'dayid', 'datetaken')
             ->from('memories')
-            ->where($qb->expr()->eq('fileid', $qb->createNamedParameter($id, \PDO::PARAM_INT)));
+            ->where($qb->expr()->eq('fileid', $qb->createNamedParameter($id, \PDO::PARAM_INT)))
+        ;
 
         $result = $qb->executeQuery();
         $row = $result->fetch();
         $result->closeCursor();
 
         $utcTs = 0;
+
         try {
             $utcDate = new \DateTime($row['datetaken'], new \DateTimeZone('UTC'));
             $utcTs = $utcDate->getTimestamp();
-        } catch (\Throwable $e) {}
+        } catch (\Throwable $e) {
+        }
 
         return [
-            'fileid' => intval($row['fileid']),
+            'fileid' => (int) ($row['fileid']),
-            'dayid' => intval($row['dayid']),
+            'dayid' => (int) ($row['dayid']),
             'datetaken' => $utcTs,
         ];
     }

lib/Db/TimelineQueryDays.php

@@ -1,117 +1,25 @@
 <?php
+
 declare(strict_types=1);
 
 namespace OCA\Memories\Db;
 
-use OCP\IDBConnection;
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\Files\Folder;
+use OCP\IDBConnection;
 
-trait TimelineQueryDays {
+trait TimelineQueryDays
+{
     protected IDBConnection $connection;
 
     /**
-     * Process the days response
+     * Get the days response from the database for the timeline.
-     * @param array $days
-     */
-    private function processDays(&$days) {
-        foreach($days as &$row) {
-            $row["dayid"] = intval($row["dayid"]);
-            $row["count"] = intval($row["count"]);
-
-            // All transform processing
-            $this->processFace($row, true);
-        }
-        return $days;
-    }
-
-        /**
-     * Process the single day response
-     * @param array $day
-     */
-    private function processDay(&$day) {
-        foreach($day as &$row) {
-            // We don't need date taken (see query builder)
-            unset($row['datetaken']);
-
-            // Convert field types
-            $row["fileid"] = intval($row["fileid"]);
-            $row["isvideo"] = intval($row["isvideo"]);
-            $row["dayid"] = intval($row["dayid"]);
-            $row["w"] = intval($row["w"]);
-            $row["h"] = intval($row["h"]);
-            if (!$row["isvideo"]) {
-                unset($row["isvideo"]);
-            }
-            if ($row["categoryid"]) {
-                $row["isfavorite"] = 1;
-            }
-            unset($row["categoryid"]);
-
-            // All transform processing
-            $this->processFace($row);
-        }
-        return $day;
-    }
-
-    /** Get the query for oc_filecache join */
-    private function getFilecacheJoinQuery(
-        IQueryBuilder &$query,
-        Folder &$folder,
-        bool $recursive,
-        bool $archive
-    ) {
-        // Subquery to get storage and path
-        $subQuery = $query->getConnection()->getQueryBuilder();
-        $cursor = $subQuery->select('path', 'storage')->from('filecache')->where(
-            $subQuery->expr()->eq('fileid', $subQuery->createNamedParameter($folder->getId())),
-        )->executeQuery();
-        $finfo = $cursor->fetch();
-        $cursor->closeCursor();
-        if (empty($finfo)) {
-            throw new \Exception("Folder not found");
-        }
-
-        $pathQuery = null;
-        if ($recursive) {
-            // Filter by path for recursive query
-            $likePath = $finfo["path"];
-            if (!empty($likePath)) {
-                $likePath .= '/';
-            }
-            $pathQuery = $query->expr()->like('f.path', $query->createNamedParameter($likePath . '%'));
-
-            // Exclude/show archive folder
-            $archiveLikePath = $likePath . \OCA\Memories\Util::$ARCHIVE_FOLDER . '/%';
-            if (!$archive) {
-                // Exclude archive folder
-                $pathQuery = $query->expr()->andX(
-                    $pathQuery,
-                    $query->expr()->notLike('f.path', $query->createNamedParameter($archiveLikePath))
-                );
-            } else {
-                // Show only archive folder
-                $pathQuery = $query->expr()->like('f.path', $query->createNamedParameter($archiveLikePath));
-            }
-        } else {
-            // If getting non-recursively folder only check for parent
-            $pathQuery = $query->expr()->eq('f.parent', $query->createNamedParameter($folder->getId(), IQueryBuilder::PARAM_INT));
-        }
-
-        return $query->expr()->andX(
-            $query->expr()->eq('f.fileid', 'm.fileid'),
-            $query->expr()->in('f.storage', $query->createNamedParameter($finfo["storage"])),
-            $pathQuery,
-        );
-    }
-
-    /**
-     * Get the days response from the database for the timeline
      *
      * @param Folder $folder          The folder to get the days from
      * @param bool   $recursive       Whether to get the days recursively
      * @param bool   $archive         Whether to get the days only from the archive folder
      * @param array  $queryTransforms An array of query transforms to apply to the query
+     *
      * @return array The days response
      */
     public function getDays(
@@ -127,11 +35,13 @@ trait TimelineQueryDays {
         $count = $query->func()->count($query->createFunction('DISTINCT m.fileid'), 'count');
         $query->select('m.dayid', $count)
             ->from('memories', 'm')
-            ->innerJoin('m', 'filecache', 'f', $this->getFilecacheJoinQuery($query, $folder, $recursive, $archive));
+            ->innerJoin('m', 'filecache', 'f', $this->getFilecacheJoinQuery($query, $folder, $recursive, $archive))
+        ;
 
         // Group and sort by dayid
         $query->groupBy('m.dayid')
-              ->orderBy('m.dayid', 'DESC');
+            ->orderBy('m.dayid', 'DESC')
+        ;
 
         // Apply all transformations
         $this->applyAllTransforms($queryTransforms, $query, $uid);
@@ -139,17 +49,21 @@ trait TimelineQueryDays {
         $cursor = $query->executeQuery();
         $rows = $cursor->fetchAll();
         $cursor->closeCursor();
+
         return $this->processDays($rows);
     }
 
     /**
-     * Get the day response from the database for the timeline
+     * Get the day response from the database for the timeline.
+     *
      * @param Folder $folder          The folder to get the day from
      * @param string $uid             The user id
      * @param int[]  $dayid           The day id
      * @param bool   $recursive       If the query should be recursive
      * @param bool   $archive         If the query should include only the archive folder
      * @param array  $queryTransforms The query transformations to apply
+     * @param mixed  $day_ids
+     *
      * @return array An array of day responses
      */
     public function getDay(
@@ -170,10 +84,11 @@ trait TimelineQueryDays {
         // when using DISTINCT on selected fields
         $query->select($fileid, 'f.etag', 'm.isvideo', 'vco.categoryid', 'm.datetaken', 'm.dayid', 'm.w', 'm.h')
             ->from('memories', 'm')
-            ->innerJoin('m', 'filecache', 'f', $this->getFilecacheJoinQuery($query, $folder, $recursive, $archive));
+            ->innerJoin('m', 'filecache', 'f', $this->getFilecacheJoinQuery($query, $folder, $recursive, $archive))
+        ;
 
         // Filter by dayid unless wildcard
-        if (!is_null($day_ids)) {
+        if (null !== $day_ids) {
             $query->andWhere($query->expr()->in('m.dayid', $query->createNamedParameter($day_ids, IQueryBuilder::PARAM_INT_ARRAY)));
         } else {
             // Limit wildcard to 100 results
@@ -193,6 +108,108 @@ trait TimelineQueryDays {
         $cursor = $query->executeQuery();
         $rows = $cursor->fetchAll();
         $cursor->closeCursor();
+
         return $this->processDay($rows);
     }
+
+    /**
+     * Process the days response.
+     *
+     * @param array $days
+     */
+    private function processDays(&$days)
+    {
+        foreach ($days as &$row) {
+            $row['dayid'] = (int) ($row['dayid']);
+            $row['count'] = (int) ($row['count']);
+
+            // All transform processing
+            $this->processFace($row, true);
+        }
+
+        return $days;
+    }
+
+    /**
+     * Process the single day response.
+     *
+     * @param array $day
+     */
+    private function processDay(&$day)
+    {
+        foreach ($day as &$row) {
+            // We don't need date taken (see query builder)
+            unset($row['datetaken']);
+
+            // Convert field types
+            $row['fileid'] = (int) ($row['fileid']);
+            $row['isvideo'] = (int) ($row['isvideo']);
+            $row['dayid'] = (int) ($row['dayid']);
+            $row['w'] = (int) ($row['w']);
+            $row['h'] = (int) ($row['h']);
+            if (!$row['isvideo']) {
+                unset($row['isvideo']);
+            }
+            if ($row['categoryid']) {
+                $row['isfavorite'] = 1;
+            }
+            unset($row['categoryid']);
+
+            // All transform processing
+            $this->processFace($row);
+        }
+
+        return $day;
+    }
+
+    /** Get the query for oc_filecache join */
+    private function getFilecacheJoinQuery(
+        IQueryBuilder &$query,
+        Folder &$folder,
+        bool $recursive,
+        bool $archive
+    ) {
+        // Subquery to get storage and path
+        $subQuery = $query->getConnection()->getQueryBuilder();
+        $cursor = $subQuery->select('path', 'storage')->from('filecache')->where(
+            $subQuery->expr()->eq('fileid', $subQuery->createNamedParameter($folder->getId())),
+        )->executeQuery();
+        $finfo = $cursor->fetch();
+        $cursor->closeCursor();
+        if (empty($finfo)) {
+            throw new \Exception('Folder not found');
+        }
+
+        $pathQuery = null;
+        if ($recursive) {
+            // Filter by path for recursive query
+            $likePath = $finfo['path'];
+            if (!empty($likePath)) {
+                $likePath .= '/';
+            }
+            $pathQuery = $query->expr()->like('f.path', $query->createNamedParameter($likePath.'%'));
+
+            // Exclude/show archive folder
+            $archiveLikePath = $likePath.\OCA\Memories\Util::$ARCHIVE_FOLDER.'/%';
+            if (!$archive) {
+                // Exclude archive folder
+                $pathQuery = $query->expr()->andX(
+                    $pathQuery,
+                    $query->expr()->notLike('f.path', $query->createNamedParameter($archiveLikePath))
+                );
+            } else {
+                // Show only archive folder
+                $pathQuery = $query->expr()->like('f.path', $query->createNamedParameter($archiveLikePath));
+            }
+        } else {
+            // If getting non-recursively folder only check for parent
+            $pathQuery = $query->expr()->eq('f.parent', $query->createNamedParameter($folder->getId(), IQueryBuilder::PARAM_INT));
+        }
+
+        return $query->expr()->andX(
+            $query->expr()->eq('f.fileid', 'm.fileid'),
+            $query->expr()->in('f.storage', $query->createNamedParameter($finfo['storage'])),
+            $pathQuery,
+        );
+    }
 }

lib/Db/TimelineQueryFaces.php

@@ -1,19 +1,24 @@
 <?php
+
 declare(strict_types=1);
 
 namespace OCA\Memories\Db;
 
-use OCP\IDBConnection;
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\Files\Folder;
+use OCP\IDBConnection;
 
-trait TimelineQueryFaces {
+trait TimelineQueryFaces
+{
     protected IDBConnection $connection;
 
-    public function transformFaceFilter(IQueryBuilder &$query, string $userId, string $faceStr) {
+    public function transformFaceFilter(IQueryBuilder &$query, string $userId, string $faceStr)
+    {
         // Get title and uid of face user
         $faceNames = explode('/', $faceStr);
-        if (count($faceNames) !== 2) throw new \Exception("Invalid face query");
+        if (2 !== \count($faceNames)) {
+            throw new \Exception('Invalid face query');
+        }
         $faceUid = $faceNames[0];
         $faceName = $faceNames[1];
 
@@ -31,7 +36,8 @@ trait TimelineQueryFaces {
         ));
     }
 
-    public function transformFaceRect(IQueryBuilder &$query, string $userId) {
+    public function transformFaceRect(IQueryBuilder &$query, string $userId)
+    {
         // Include detection params in response
         $query->addSelect(
             'rfd.width AS face_w',
@@ -41,26 +47,8 @@ trait TimelineQueryFaces {
         );
     }
 
-    /** Convert face fields to object */
+    public function getFaces(Folder $folder)
-    private function processFace(&$row, $days=false) {
+    {
-        if (!isset($row) || !isset($row['face_w'])) return;
-
-        if (!$days) {
-            $row["facerect"] = [
-                "w" => floatval($row["face_w"]),
-                "h" => floatval($row["face_h"]),
-                "x" => floatval($row["face_x"]),
-                "y" => floatval($row["face_y"]),
-            ];
-        }
-
-        unset($row["face_w"]);
-        unset($row["face_h"]);
-        unset($row["face_x"]);
-        unset($row["face_y"]);
-    }
-
-    public function getFaces(Folder $folder) {
         $query = $this->connection->getQueryBuilder();
 
         // SELECT all face clusters
@@ -88,25 +76,31 @@ trait TimelineQueryFaces {
         $faces = $query->executeQuery()->fetchAll();
 
         // Post process
-        foreach($faces as &$row) {
+        foreach ($faces as &$row) {
-            $row['id'] = intval($row['id']);
+            $row['id'] = (int) ($row['id']);
-            $row["name"] = $row["title"];
+            $row['name'] = $row['title'];
-            unset($row["title"]);
+            unset($row['title']);
-            $row["count"] = intval($row["count"]);
+            $row['count'] = (int) ($row['count']);
         }
 
         return $faces;
     }
 
-    public function getFacePreviewDetection(Folder &$folder, int $id) {
+    public function getFacePreviewDetection(Folder &$folder, int $id)
+    {
         $query = $this->connection->getQueryBuilder();
 
         // SELECT face detections for ID
         $query->select(
-            'rfd.file_id',                                  // Needed to get the actual file
+            'rfd.file_id',              // Get actual file
-            'rfd.x', 'rfd.y', 'rfd.width', 'rfd.height',    // Image cropping
+            'rfd.x',                    // Image cropping
-            'm.w as image_width', 'm.h as image_height',    // Scoring
+            'rfd.y',
-            'm.fileid', 'm.datetaken',                      // Just in case, for postgres
+            'rfd.width',
+            'rfd.height',
+            'm.w as image_width',       // Scoring
+            'm.h as image_height',
+            'm.fileid',
+            'm.datetaken',              // Just in case, for postgres
         )->from('recognize_face_detections', 'rfd');
         $query->where($query->expr()->eq('rfd.cluster_id', $query->createNamedParameter($id)));
 
@@ -132,31 +126,50 @@ trait TimelineQueryFaces {
         // Score the face detections
         foreach ($previews as &$p) {
             // Get actual pixel size of face
-            $iw = min(intval($p["image_width"] ?: 512), 2048);
+            $iw = min((int) ($p['image_width'] ?: 512), 2048);
-            $ih = min(intval($p["image_height"] ?: 512), 2048);
+            $ih = min((int) ($p['image_height'] ?: 512), 2048);
-            $w = floatval($p["width"]) * $iw;
+            $w = (float) ($p['width']) * $iw;
-            $h = floatval($p["height"]) * $ih;
+            $h = (float) ($p['height']) * $ih;
 
             // Get center of face
-            $x = floatval($p["x"]) + floatval($p["width"]) / 2;
+            $x = (float) ($p['x']) + (float) ($p['width']) / 2;
-            $y = floatval($p["y"]) + floatval($p["height"]) / 2;
+            $y = (float) ($p['y']) + (float) ($p['height']) / 2;
 
             // 3D normal distribution - if the face is closer to the center, it's better
-            $positionScore = exp(-pow($x - 0.5, 2) * 4) * exp(-pow($y - 0.5, 2) * 4);
+            $positionScore = exp(-($x - 0.5) ** 2 * 4) * exp(-($y - 0.5) ** 2 * 4);
 
             // Root size distribution - if the face is bigger, it's better,
             // but it doesn't matter beyond a certain point, especially 256px ;)
-            $sizeScore = pow($w * 100, 1/4) * pow($h * 100, 1/4);
+            $sizeScore = ($w * 100) ** (1 / 4) * ($h * 100) ** (1 / 4);
 
             // Combine scores
-            $p["score"] = $positionScore * $sizeScore;
+            $p['score'] = $positionScore * $sizeScore;
         }
 
         // Sort previews by score descending
-        usort($previews, function($a, $b) {
+        usort($previews, function ($a, $b) {
-            return $b["score"] <=> $a["score"];
+            return $b['score'] <=> $a['score'];
         });
 
         return $previews;
     }
+
+    /** Convert face fields to object */
+    private function processFace(&$row, $days = false)
+    {
+        if (!isset($row) || !isset($row['face_w'])) {
+            return;
+        }
+
+        if (!$days) {
+            $row['facerect'] = [
+                'w' => (float) ($row['face_w']),
+                'h' => (float) ($row['face_h']),
+                'x' => (float) ($row['face_x']),
+                'y' => (float) ($row['face_y']),
+            ];
+        }
+
+        unset($row['face_w'], $row['face_h'], $row['face_x'], $row['face_y']);
+    }
 }

lib/Db/TimelineQueryFilters.php

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 namespace OCA\Memories\Db;
@@ -6,50 +7,59 @@ namespace OCA\Memories\Db;
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\ITags;
 
-trait TimelineQueryFilters {
+trait TimelineQueryFilters
-    private function applyAllTransforms(array $transforms, IQueryBuilder &$query, string $uid): void {
+{
-        foreach ($transforms as &$transform) {
+    public function transformFavoriteFilter(IQueryBuilder &$query, string $userId)
-            $fun = array_slice($transform, 0, 2);
+    {
-            $params = array_slice($transform, 2);
-            array_unshift($params, $uid);
-            array_unshift($params, $query);
-            $fun(...$params);
-        }
-    }
-
-    public function transformFavoriteFilter(IQueryBuilder &$query, string $userId) {
         $query->innerJoin('m', 'vcategory_to_object', 'vcoi', $query->expr()->andX(
             $query->expr()->eq('vcoi.objid', 'm.fileid'),
             $query->expr()->in('vcoi.categoryid', $this->getFavoriteVCategoryFun($query, $userId)),
         ));
     }
 
-    public function addFavoriteTag(IQueryBuilder &$query, string $userId) {
+    public function addFavoriteTag(IQueryBuilder &$query, string $userId)
+    {
         $query->leftJoin('m', 'vcategory_to_object', 'vco', $query->expr()->andX(
             $query->expr()->eq('vco.objid', 'm.fileid'),
             $query->expr()->in('vco.categoryid', $this->getFavoriteVCategoryFun($query, $userId)),
         ));
     }
 
-    private function getFavoriteVCategoryFun(IQueryBuilder &$query, string $userId) {
+    public function transformVideoFilter(IQueryBuilder &$query, string $userId)
-        return $query->createFunction(
+    {
-            $query->getConnection()->getQueryBuilder()->select('id')->from('vcategory', 'vc')->where(
-                $query->expr()->andX(
-                    $query->expr()->eq('type', $query->createNamedParameter("files")),
-                    $query->expr()->eq('uid', $query->createNamedParameter($userId)),
-                    $query->expr()->eq('category', $query->createNamedParameter(ITags::TAG_FAVORITE)),
-                ))->getSQL());
-    }
-
-    public function transformVideoFilter(IQueryBuilder &$query, string $userId) {
         $query->andWhere($query->expr()->eq('m.isvideo', $query->createNamedParameter('1')));
     }
 
-    public function transformLimitDay(IQueryBuilder &$query, string $userId, int $limit) {
+    public function transformLimitDay(IQueryBuilder &$query, string $userId, int $limit)
+    {
         // The valid range for limit is 1 - 100; otherwise abort
         if ($limit < 1 || $limit > 100) {
             return;
         }
         $query->setMaxResults($limit);
     }
+
+    private function applyAllTransforms(array $transforms, IQueryBuilder &$query, string $uid): void
+    {
+        foreach ($transforms as &$transform) {
+            $fun = \array_slice($transform, 0, 2);
+            $params = \array_slice($transform, 2);
+            array_unshift($params, $uid);
+            array_unshift($params, $query);
+            $fun(...$params);
+        }
+    }
+
+    private function getFavoriteVCategoryFun(IQueryBuilder &$query, string $userId)
+    {
+        return $query->createFunction(
+            $query->getConnection()->getQueryBuilder()->select('id')->from('vcategory', 'vc')->where(
+                $query->expr()->andX(
+                    $query->expr()->eq('type', $query->createNamedParameter('files')),
+                    $query->expr()->eq('uid', $query->createNamedParameter($userId)),
+                    $query->expr()->eq('category', $query->createNamedParameter(ITags::TAG_FAVORITE)),
+                )
+            )->getSQL()
+        );
+    }
 }

lib/Db/TimelineQueryTags.php

@@ -1,38 +1,45 @@
 <?php
+
 declare(strict_types=1);
 
 namespace OCA\Memories\Db;
 
-use OCP\IDBConnection;
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\Files\Folder;
+use OCP\IDBConnection;
 
-trait TimelineQueryTags {
+trait TimelineQueryTags
+{
     protected IDBConnection $connection;
 
-    public function getSystemTagId(IQueryBuilder &$query, string $tagName) {
+    public function getSystemTagId(IQueryBuilder &$query, string $tagName)
+    {
         $sqb = $query->getConnection()->getQueryBuilder();
+
         return $sqb->select('id')->from('systemtag')->where(
             $sqb->expr()->andX(
                 $sqb->expr()->eq('name', $sqb->createNamedParameter($tagName)),
                 $sqb->expr()->eq('visibility', $sqb->createNamedParameter(1)),
-            ))->executeQuery()->fetchOne();
+            )
+        )->executeQuery()->fetchOne();
     }
 
-    public function transformTagFilter(IQueryBuilder &$query, string $userId, string $tagName) {
+    public function transformTagFilter(IQueryBuilder &$query, string $userId, string $tagName)
+    {
         $tagId = $this->getSystemTagId($query, $tagName);
-        if ($tagId === FALSE) {
+        if (false === $tagId) {
-            throw new \Exception("Tag $tagName not found");
+            throw new \Exception("Tag {$tagName} not found");
         }
 
         $query->innerJoin('m', 'systemtag_object_mapping', 'stom', $query->expr()->andX(
-            $query->expr()->eq('stom.objecttype', $query->createNamedParameter("files")),
+            $query->expr()->eq('stom.objecttype', $query->createNamedParameter('files')),
             $query->expr()->eq('stom.objectid', 'm.fileid'),
             $query->expr()->eq('stom.systemtagid', $query->createNamedParameter($tagId)),
         ));
     }
 
-    public function getTags(Folder $folder) {
+    public function getTags(Folder $folder)
+    {
         $query = $this->connection->getQueryBuilder();
 
         // SELECT visible tag name and count of photos
@@ -44,7 +51,7 @@ trait TimelineQueryTags {
         // WHERE there are items with this tag
         $query->innerJoin('st', 'systemtag_object_mapping', 'stom', $query->expr()->andX(
             $query->expr()->eq('stom.systemtagid', 'st.id'),
-            $query->expr()->eq('stom.objecttype', $query->createNamedParameter("files")),
+            $query->expr()->eq('stom.objecttype', $query->createNamedParameter('files')),
         ));
 
         // WHERE these items are memories indexed photos
@@ -62,15 +69,16 @@ trait TimelineQueryTags {
         $tags = $query->executeQuery()->fetchAll();
 
         // Post process
-        foreach($tags as &$row) {
+        foreach ($tags as &$row) {
-            $row["id"] = intval($row["id"]);
+            $row['id'] = (int) ($row['id']);
-            $row["count"] = intval($row["count"]);
+            $row['count'] = (int) ($row['count']);
         }
 
         return $tags;
     }
 
-    public function getTagPreviews(Folder $folder) {
+    public function getTagPreviews(Folder $folder)
+    {
         $query = $this->connection->getQueryBuilder();
 
         // Windowing
@@ -78,8 +86,10 @@ trait TimelineQueryTags {
 
         // SELECT all photos with this tag
         $query->select('f.fileid', 'f.etag', 'stom.systemtagid', $rowNumber)->from(
-            'systemtag_object_mapping', 'stom')->where(
+            'systemtag_object_mapping',
-                $query->expr()->eq('stom.objecttype', $query->createNamedParameter("files")),
+            'stom'
+        )->where(
+                $query->expr()->eq('stom.objecttype', $query->createNamedParameter('files')),
             );
 
         // WHERE these items are memories indexed photos
@@ -89,7 +99,7 @@ trait TimelineQueryTags {
         $query->innerJoin('m', 'filecache', 'f', $this->getFilecacheJoinQuery($query, $folder, true, false));
 
         // Make this a sub query
-        $fun = $query->createFunction('(' . $query->getSQL() . ')');
+        $fun = $query->createFunction('('.$query->getSQL().')');
 
         // Create outer query
         $outerQuery = $this->connection->getQueryBuilder();
@@ -102,10 +112,10 @@ trait TimelineQueryTags {
         $previews = $outerQuery->executeQuery()->fetchAll();
 
         // Post-process
-        foreach($previews as &$row) {
+        foreach ($previews as &$row) {
-            $row["fileid"] = intval($row["fileid"]);
+            $row['fileid'] = (int) ($row['fileid']);
-            $row["systemtagid"] = intval($row["systemtagid"]);
+            $row['systemtagid'] = (int) ($row['systemtagid']);
-            unset($row["n"]);
+            unset($row['n']);
         }
 
         return $previews;

lib/Db/TimelineWrite.php

@@ -1,44 +1,50 @@
 <?php
+
 declare(strict_types=1);
 
 namespace OCA\Memories\Db;
 
 use OCA\Memories\AppInfo\Application;
 use OCA\Memories\Exif;
+use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\Files\File;
 use OCP\IDBConnection;
-use OCP\DB\QueryBuilder\IQueryBuilder;
 
-class TimelineWrite {
+class TimelineWrite
+{
     protected IDBConnection $connection;
 
-    public function __construct(IDBConnection $connection) {
+    public function __construct(IDBConnection $connection)
+    {
         $this->connection = $connection;
     }
 
     /**
-     * Check if a file has a valid mimetype for processing
+     * Check if a file has a valid mimetype for processing.
-     * @param File $file
+     *
      * @return int 0 for invalid, 1 for image, 2 for video
      */
-    public function getFileType(File $file): int {
+    public function getFileType(File $file): int
+    {
         $mime = $file->getMimeType();
-        if (in_array($mime, Application::IMAGE_MIMES)) {
+        if (\in_array($mime, Application::IMAGE_MIMES, true)) {
             return 1;
-        } elseif (in_array($mime, Application::VIDEO_MIMES)) {
+        }
+        if (\in_array($mime, Application::VIDEO_MIMES, true)) {
             return 2;
         }
+
         return 0;
     }
 
     /**
-     * Process a file to insert Exif data into the database
+     * Process a file to insert Exif data into the database.
-     * @param File $file
+     *
      * @return int 2 if processed, 1 if skipped, 0 if not valid
      */
     public function processFile(
         File &$file,
-        bool $force=false
+        bool $force = false
     ): int {
         // There is no easy way to UPSERT in a standard SQL way, so just
         // do multiple calls. The worst that can happen is more updates,
@@ -47,7 +53,7 @@ class TimelineWrite {
 
         // Check if we want to process this file
         $fileType = $this->getFileType($file);
-        $isvideo = ($fileType === 2);
+        $isvideo = (2 === $fileType);
         if (!$fileType) {
             return 0;
         }
@@ -60,19 +66,22 @@ class TimelineWrite {
         $query = $this->connection->getQueryBuilder();
         $query->select('fileid', 'mtime')
             ->from('memories')
-            ->where($query->expr()->eq('fileid', $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)));
+            ->where($query->expr()->eq('fileid', $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)))
+        ;
         $cursor = $query->executeQuery();
         $prevRow = $cursor->fetch();
         $cursor->closeCursor();
-        if ($prevRow && !$force && intval($prevRow['mtime']) === $mtime) {
+        if ($prevRow && !$force && (int) ($prevRow['mtime']) === $mtime) {
             return 1;
         }
 
         // Get exif data
         $exif = [];
+
         try {
             $exif = Exif::getExifFromFile($file);
-        } catch (\Exception $e) {}
+        } catch (\Exception $e) {
+        }
 
         // Get more parameters
         $dateTaken = Exif::getDateTaken($file, $exif);
@@ -89,7 +98,8 @@ class TimelineWrite {
                 ->set('isvideo', $query->createNamedParameter($isvideo, IQueryBuilder::PARAM_INT))
                 ->set('w', $query->createNamedParameter($w, IQueryBuilder::PARAM_INT))
                 ->set('h', $query->createNamedParameter($h, IQueryBuilder::PARAM_INT))
-                ->where($query->expr()->eq('fileid', $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)));
+                ->where($query->expr()->eq('fileid', $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)))
+            ;
             $query->executeStatement();
         } else {
             // Try to create new row
@@ -103,10 +113,11 @@ class TimelineWrite {
                         'isvideo' => $query->createNamedParameter($isvideo, IQueryBuilder::PARAM_INT),
                         'w' => $query->createNamedParameter($w, IQueryBuilder::PARAM_INT),
                         'h' => $query->createNamedParameter($h, IQueryBuilder::PARAM_INT),
-                    ]);
+                    ])
+                ;
                 $query->executeStatement();
             } catch (\Exception $ex) {
-                error_log("Failed to create memories record: " . $ex->getMessage());
+                error_log('Failed to create memories record: '.$ex->getMessage());
             }
         }
 
@@ -114,21 +125,24 @@ class TimelineWrite {
     }
 
     /**
-     * Remove a file from the exif database
+     * Remove a file from the exif database.
-     * @param File $file
      */
-    public function deleteFile(File &$file) {
+    public function deleteFile(File &$file)
+    {
         $query = $this->connection->getQueryBuilder();
         $query->delete('memories')
-            ->where($query->expr()->eq('fileid', $query->createNamedParameter($file->getId(), IQueryBuilder::PARAM_INT)));
+            ->where($query->expr()->eq('fileid', $query->createNamedParameter($file->getId(), IQueryBuilder::PARAM_INT)))
+        ;
         $query->executeStatement();
     }
 
     /**
      * Clear the entire index. Does not need confirmation!
+     *
      * @param File $file
      */
-    public function clear() {
+    public function clear()
+    {
         $query = $this->connection->getQueryBuilder();
         $query->delete('memories');
         $query->executeStatement();

lib/Exif.php

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 namespace OCA\Memories;
@@ -7,24 +8,15 @@ use OCA\Memories\AppInfo\Application;
 use OCP\Files\File;
 use OCP\IConfig;
 
-class Exif {
+class Exif
+{
     /** Opened instance of exiftool when running in command mode */
-    private static $staticProc = null;
+    private static $staticProc;
-    private static $staticPipes = null;
+    private static $staticPipes;
     private static $noStaticProc = false;
 
-    /** Initialize static exiftool process for local reads */
+    public static function closeStaticExiftoolProc()
-    private static function initializeStaticExiftoolProc() {
+    {
-        self::closeStaticExiftoolProc();
-        self::$staticProc = proc_open(['exiftool', '-stay_open', 'true', '-@', '-'], [
-            0 => array('pipe', 'r'),
-            1 => array('pipe', 'w'),
-            2 => array('pipe', 'w'),
-        ], self::$staticPipes);
-        stream_set_blocking(self::$staticPipes[1], false);
-    }
-
-    public static function closeStaticExiftoolProc() {
         try {
             if (self::$staticProc) {
                 fclose(self::$staticPipes[0]);
@@ -34,15 +26,18 @@ class Exif {
                 self::$staticProc = null;
                 self::$staticPipes = null;
             }
-        } catch (\Exception $ex) {}
+        } catch (\Exception $ex) {
+        }
     }
 
-    public static function restartStaticExiftoolProc() {
+    public static function restartStaticExiftoolProc()
+    {
         self::closeStaticExiftoolProc();
         self::ensureStaticExiftoolProc();
     }
 
-    public static function ensureStaticExiftoolProc() {
+    public static function ensureStaticExiftoolProc()
+    {
         if (self::$noStaticProc) {
             return;
         }
@@ -50,15 +45,16 @@ class Exif {
         if (!self::$staticProc) {
             self::initializeStaticExiftoolProc();
             usleep(500000); // wait if error
-            if (!proc_get_status(self::$staticProc)["running"]) {
+            if (!proc_get_status(self::$staticProc)['running']) {
-                error_log("WARN: Failed to create stay_open exiftool process");
+                error_log('WARN: Failed to create stay_open exiftool process');
                 self::$noStaticProc = true;
                 self::$staticProc = null;
             }
+
             return;
         }
 
-        if (!proc_get_status(self::$staticProc)["running"]) {
+        if (!proc_get_status(self::$staticProc)['running']) {
             self::$staticProc = null;
             self::ensureStaticExiftoolProc();
         }
@@ -66,49 +62,51 @@ class Exif {
 
     /**
      * Get the path to the user's configured photos directory.
-     * @param IConfig $config
-     * @param string $userId
      */
-    public static function getPhotosPath(IConfig &$config, string &$userId) {
+    public static function getPhotosPath(IConfig &$config, string &$userId)
+    {
         $p = $config->getUserValue($userId, Application::APPNAME, 'timelinePath', '');
         if (empty($p)) {
             return 'Photos/';
         }
+
         return self::sanitizePath($p);
     }
 
     /**
      * Sanitize a path to keep only ASCII characters and special characters.
-     * @param string $path
      */
-    public static function sanitizePath(string $path) {
+    public static function sanitizePath(string $path)
-        return mb_ereg_replace("([^\w\s\d\-_~,;\[\]\(\).\/])", '', $path);
+    {
+        return mb_ereg_replace('([^\\w\\s\\d\\-_~,;\\[\\]\\(\\).\\/])', '', $path);
     }
 
     /**
-     * Keep only one slash if multiple repeating
+     * Keep only one slash if multiple repeating.
      */
-    public static function removeExtraSlash(string $path) {
+    public static function removeExtraSlash(string $path)
+    {
         return mb_ereg_replace('\/\/+', '/', $path);
     }
 
     /**
-     * Remove any leading slash present on the path
+     * Remove any leading slash present on the path.
      */
-    public static function removeLeadingSlash(string $path) {
+    public static function removeLeadingSlash(string $path)
+    {
         return mb_ereg_replace('~^/+~', '', $path);
     }
 
     /**
      * Get exif data as a JSON object from a Nextcloud file.
-     * @param File $file
      */
-    public static function getExifFromFile(File &$file) {
+    public static function getExifFromFile(File &$file)
+    {
         // Borrowed from previews
         // https://github.com/nextcloud/server/blob/19f68b3011a3c040899fb84975a28bd746bddb4b/lib/private/Preview/ProviderV2.php
         if (!$file->isEncrypted() && $file->getStorage()->isLocal()) {
             $path = $file->getStorage()->getLocalFile($file->getInternalPath());
-            if (is_string($path)) {
+            if (\is_string($path)) {
                 return self::getExifFromLocalPath($path);
             }
         }
@@ -121,96 +119,35 @@ class Exif {
 
         $exif = self::getExifFromStream($handle);
         fclose($handle);
+
         return $exif;
     }
 
     /** Get exif data as a JSON object from a local file path */
-    public static function getExifFromLocalPath(string &$path) {
+    public static function getExifFromLocalPath(string &$path)
-        if (!is_null(self::$staticProc)) {
+    {
+        if (null !== self::$staticProc) {
             self::ensureStaticExiftoolProc();
+
             return self::getExifFromLocalPathWithStaticProc($path);
-        } else {
+        }
+
         return self::getExifFromLocalPathWithSeparateProc($path);
     }
-    }
-
-    /**
-     * Read from non blocking handle or throw timeout
-     * @param resource $handle
-     * @param int $timeout milliseconds
-     * @param string $delimiter null for eof
-     */
-    private static function readOrTimeout($handle, $timeout, $delimiter=null) {
-        $buf = '';
-        $waitedMs = 0;
-
-        while ($waitedMs < $timeout && ($delimiter ? !str_ends_with($buf, $delimiter) : !feof($handle))) {
-            $r = stream_get_contents($handle);
-            if (empty($r)) {
-                $waitedMs++;
-                usleep(1000);
-                continue;
-            }
-            $buf .= $r;
-        }
-
-        if ($waitedMs >= $timeout) {
-            throw new \Exception('Timeout');
-        }
-
-        return $buf;
-    }
-
-    private static function getExifFromLocalPathWithStaticProc(string &$path) {
-        fwrite(self::$staticPipes[0], "$path\n-json\n-api\nQuickTimeUTC=1\n-n\n-execute\n");
-        fflush(self::$staticPipes[0]);
-
-        $readyToken = "\n{ready}\n";
-
-        try {
-            $buf = self::readOrTimeout(self::$staticPipes[1], 5000, $readyToken);
-            $tokPos = strrpos($buf, $readyToken);
-            $buf = substr($buf, 0, $tokPos);
-            return self::processStdout($buf);
-        } catch (\Exception $ex) {
-            error_log("ERROR: Exiftool may have crashed, restarting process [$path]");
-            self::restartStaticExiftoolProc();
-            throw new \Exception("Nothing to read from Exiftool");
-        }
-    }
-
-    private static function getExifFromLocalPathWithSeparateProc(string &$path) {
-        $pipes = [];
-        $proc = proc_open(['exiftool', '-api', 'QuickTimeUTC=1', '-n', '-json', $path], [
-            1 => array('pipe', 'w'),
-            2 => array('pipe', 'w'),
-        ], $pipes);
-        stream_set_blocking($pipes[1], false);
-
-        try {
-            $stdout = self::readOrTimeout($pipes[1], 5000);
-            return self::processStdout($stdout);
-        } catch (\Exception $ex) {
-            error_log("Exiftool timeout: [$path]");
-            throw new \Exception("Could not read from Exiftool");
-        } finally {
-            fclose($pipes[1]);
-            fclose($pipes[2]);
-            proc_terminate($proc);
-        }
-    }
 
     /**
      * Get exif data as a JSON object from a stream.
+     *
      * @param resource $handle
      */
-    public static function getExifFromStream(&$handle) {
+    public static function getExifFromStream(&$handle)
+    {
         // Start exiftool and output to json
         $pipes = [];
         $proc = proc_open(['exiftool', '-api', 'QuickTimeUTC=1', '-n', '-json', '-fast', '-'], [
-            0 => array('pipe', 'rb'),
+            0 => ['pipe', 'rb'],
-            1 => array('pipe', 'w'),
+            1 => ['pipe', 'w'],
-            2 => array('pipe', 'w'),
+            2 => ['pipe', 'w'],
         ], $pipes);
 
         // Write the file to exiftool's stdin
@@ -221,12 +158,15 @@ class Exif {
 
         // Get output from exiftool
         stream_set_blocking($pipes[1], false);
+
         try {
             $stdout = self::readOrTimeout($pipes[1], 5000);
+
             return self::processStdout($stdout);
         } catch (\Exception $ex) {
-            error_log("Exiftool timeout for file stream: " . $ex->getMessage());
+            error_log('Exiftool timeout for file stream: '.$ex->getMessage());
-            throw new \Exception("Could not read from Exiftool");
+
+            throw new \Exception('Could not read from Exiftool');
         } finally {
             fclose($pipes[1]);
             fclose($pipes[2]);
@@ -234,36 +174,30 @@ class Exif {
         }
     }
 
-    /** Get json array from stdout of exiftool */
-    private static function processStdout(string &$stdout) {
-        $json = json_decode($stdout, true);
-        if (!$json) {
-            throw new \Exception('Could not read exif data');
-        }
-        return $json[0];
-    }
-
     /**
-     * Parse date from exif format and throw error if invalid
+     * Parse date from exif format and throw error if invalid.
      *
      * @param string $dt
+     * @param mixed  $date
+     *
      * @return int unix timestamp
      */
-    public static function parseExifDate($date) {
+    public static function parseExifDate($date)
+    {
         $dt = $date;
-        if (isset($dt) && is_string($dt) && !empty($dt)) {
+        if (isset($dt) && \is_string($dt) && !empty($dt)) {
             $dt = explode('-', explode('+', $dt, 2)[0], 2)[0]; // get rid of timezone if present
             $dt = \DateTime::createFromFormat('Y:m:d H:i:s', $dt);
             if (!$dt) {
-                throw new \Exception("Invalid date: $date");
+                throw new \Exception("Invalid date: {$date}");
             }
             if ($dt && $dt->getTimestamp() > -5364662400) { // 1800 A.D.
                 return $dt->getTimestamp();
-            } else {
-                throw new \Exception("Date too old: $date");
             }
+
+            throw new \Exception("Date too old: {$date}");
         } else {
-            throw new \Exception("No date provided");
+            throw new \Exception('No date provided');
         }
     }
 
@@ -273,7 +207,8 @@ class Exif {
      *
      * @param int $epoch
      */
-    public static function forgetTimezone($epoch) {
+    public static function forgetTimezone($epoch)
+    {
         $dt = new \DateTime();
         $dt->setTimestamp($epoch);
         $tz = getenv('TZ'); // at least works on debian ...
@@ -281,16 +216,17 @@ class Exif {
             $dt->setTimezone(new \DateTimeZone($tz));
         }
         $utc = new \DateTime($dt->format('Y-m-d H:i:s'), new \DateTimeZone('UTC'));
+
         return $utc->getTimestamp();
     }
 
     /**
      * Get the date taken from either the file or exif data if available.
-     * @param File $file
+     *
-     * @param array $exif
      * @return int unix timestamp
      */
-    public static function getDateTaken(File &$file, array &$exif) {
+    public static function getDateTaken(File &$file, array &$exif)
+    {
         $dt = $exif['DateTimeOriginal'] ?? null;
         if (!isset($dt) || empty($dt)) {
             $dt = $exif['CreateDate'] ?? null;
@@ -307,25 +243,27 @@ class Exif {
         $dateTaken = $file->getCreationTime();
 
         // Fall back to modification time
-        if ($dateTaken == 0) {
+        if (0 === $dateTaken) {
             $dateTaken = $file->getMtime();
         }
+
         return self::forgetTimezone($dateTaken);
     }
 
     /**
-     * Get image dimensions from Exif data
+     * Get image dimensions from Exif data.
-     * @param array $exif
+     *
      * @return array [width, height]
      */
-    public static function getDimensions(array &$exif) {
+    public static function getDimensions(array &$exif)
+    {
         $width = $exif['ImageWidth'] ?? 0;
         $height = $exif['ImageHeight'] ?? 0;
 
         // Check if image is rotated and we need to swap width and height
         $rotation = $exif['Rotation'] ?? 0;
         $orientation = $exif['Orientation'] ?? 0;
-        if (in_array($orientation, [5, 6, 7, 8]) || in_array($rotation, [90, 270])) {
+        if (\in_array($orientation, [5, 6, 7, 8], true) || \in_array($rotation, [90, 270], true)) {
             return [$height, $width];
         }
 
@@ -333,16 +271,16 @@ class Exif {
     }
 
     /**
-     * Update exif date using exiftool
+     * Update exif date using exiftool.
      *
-     * @param File $file
      * @param string $newDate formatted in standard Exif format (YYYY:MM:DD HH:MM:SS)
      */
-    public static function updateExifDate(File &$file, string $newDate) {
+    public static function updateExifDate(File &$file, string $newDate)
+    {
         // Check for local files -- this is easier
         if (!$file->isEncrypted() && $file->getStorage()->isLocal()) {
             $path = $file->getStorage()->getLocalFile($file->getInternalPath());
-            if (is_string($path)) {
+            if (\is_string($path)) {
                 return self::updateExifDateForLocalFile($path, $newDate);
             }
         }
@@ -352,36 +290,12 @@ class Exif {
     }
 
     /**
-     * Update exif date using exiftool for a local file
+     * Update exif date for stream.
      *
-     * @param string $path
-     * @param string $newDate formatted in standard Exif format (YYYY:MM:DD HH:MM:SS)
-     * @return bool
-     */
-    private static function updateExifDateForLocalFile(string $path, string $newDate) {
-        $cmd = ['exiftool', '-api', 'QuickTimeUTC=1', '-overwrite_original', '-DateTimeOriginal=' . $newDate, $path];
-        $proc = proc_open($cmd, [
-            1 => array('pipe', 'w'),
-            2 => array('pipe', 'w'),
-        ], $pipes);
-        $stdout = self::readOrTimeout($pipes[1], 300000);
-        fclose($pipes[1]);
-        fclose($pipes[2]);
-        proc_terminate($proc);
-        if (strpos($stdout, 'error') !== false) {
-            error_log("Exiftool error: $stdout");
-            throw new \Exception("Could not update exif date: " . $stdout);
-        }
-        return true;
-    }
-
-    /**
-     * Update exif date for stream
-     *
-     * @param File $file
      * @param string $newDate formatted in standard Exif format (YYYY:MM:DD HH:MM:SS)
      */
-    public static function updateExifDateForStreamFile(File &$file, string $newDate) {
+    public static function updateExifDateForStreamFile(File &$file, string $newDate)
+    {
         // Temp file for output, so we can compare sizes before writing to the actual file
         $tmpfile = tmpfile();
 
@@ -390,11 +304,11 @@ class Exif {
             $pipes = [];
             $proc = proc_open([
                 'exiftool', '-api', 'QuickTimeUTC=1',
-                '-overwrite_original', '-DateTimeOriginal=' . $newDate, '-'
+                '-overwrite_original', '-DateTimeOriginal='.$newDate, '-',
             ], [
-                0 => array('pipe', 'rb'),
+                0 => ['pipe', 'rb'],
-                1 => array('pipe', 'w'),
+                1 => ['pipe', 'w'],
-                2 => array('pipe', 'w'),
+                2 => ['pipe', 'w'],
             ], $pipes);
 
             // Write the file to exiftool's stdin
@@ -418,9 +332,10 @@ class Exif {
                 while ($waitedMs < $timeout && !feof($pipes[1])) {
                     $r = stream_copy_to_stream($pipes[1], $tmpfile, 1024 * 1024);
                     $newLen += $r;
-                    if ($r === 0) {
+                    if (0 === $r) {
-                        $waitedMs++;
+                        ++$waitedMs;
                         usleep(1000);
+
                         continue;
                     }
                 }
@@ -428,8 +343,9 @@ class Exif {
                     throw new \Exception('Timeout');
                 }
             } catch (\Exception $ex) {
-                error_log("Exiftool timeout for file stream: " . $ex->getMessage());
+                error_log('Exiftool timeout for file stream: '.$ex->getMessage());
-                throw new \Exception("Could not read from Exiftool");
+
+                throw new \Exception('Could not read from Exiftool');
             } finally {
                 // Close the pipes
                 fclose($pipes[1]);
@@ -440,8 +356,9 @@ class Exif {
             // Check the new length of the file
             // If the new length and old length are more different than 1KB, abort
             if (abs($newLen - $origLen) > 1024) {
-                error_log("Exiftool error: new length $newLen, old length $origLen");
+                error_log("Exiftool error: new length {$newLen}, old length {$origLen}");
-                throw new \Exception("Exiftool error: new length $newLen, old length $origLen");
+
+                throw new \Exception("Exiftool error: new length {$newLen}, old length {$origLen}");
             }
 
             // Write the temp file to the actual file
@@ -451,14 +368,16 @@ class Exif {
                 throw new \Exception('Could not open file for writing');
             }
             $wroteBytes = 0;
+
             try {
                 $wroteBytes = stream_copy_to_stream($tmpfile, $out);
             } finally {
                 fclose($out);
             }
             if ($wroteBytes !== $newLen) {
-                error_log("Exiftool error: wrote $r bytes, expected $newLen");
+                error_log("Exiftool error: wrote {$r} bytes, expected {$newLen}");
-                throw new \Exception("Could not write to file");
+
+                throw new \Exception('Could not write to file');
             }
 
             // All done at this point
@@ -468,4 +387,129 @@ class Exif {
             fclose($tmpfile);
         }
     }
+
+    /** Initialize static exiftool process for local reads */
+    private static function initializeStaticExiftoolProc()
+    {
+        self::closeStaticExiftoolProc();
+        self::$staticProc = proc_open(['exiftool', '-stay_open', 'true', '-@', '-'], [
+            0 => ['pipe', 'r'],
+            1 => ['pipe', 'w'],
+            2 => ['pipe', 'w'],
+        ], self::$staticPipes);
+        stream_set_blocking(self::$staticPipes[1], false);
+    }
+
+    /**
+     * Read from non blocking handle or throw timeout.
+     *
+     * @param resource $handle
+     * @param int      $timeout   milliseconds
+     * @param string   $delimiter null for eof
+     */
+    private static function readOrTimeout($handle, $timeout, $delimiter = null)
+    {
+        $buf = '';
+        $waitedMs = 0;
+
+        while ($waitedMs < $timeout && ($delimiter ? !str_ends_with($buf, $delimiter) : !feof($handle))) {
+            $r = stream_get_contents($handle);
+            if (empty($r)) {
+                ++$waitedMs;
+                usleep(1000);
+
+                continue;
+            }
+            $buf .= $r;
+        }
+
+        if ($waitedMs >= $timeout) {
+            throw new \Exception('Timeout');
+        }
+
+        return $buf;
+    }
+
+    private static function getExifFromLocalPathWithStaticProc(string &$path)
+    {
+        fwrite(self::$staticPipes[0], "{$path}\n-json\n-api\nQuickTimeUTC=1\n-n\n-execute\n");
+        fflush(self::$staticPipes[0]);
+
+        $readyToken = "\n{ready}\n";
+
+        try {
+            $buf = self::readOrTimeout(self::$staticPipes[1], 5000, $readyToken);
+            $tokPos = strrpos($buf, $readyToken);
+            $buf = substr($buf, 0, $tokPos);
+
+            return self::processStdout($buf);
+        } catch (\Exception $ex) {
+            error_log("ERROR: Exiftool may have crashed, restarting process [{$path}]");
+            self::restartStaticExiftoolProc();
+
+            throw new \Exception('Nothing to read from Exiftool');
+        }
+    }
+
+    private static function getExifFromLocalPathWithSeparateProc(string &$path)
+    {
+        $pipes = [];
+        $proc = proc_open(['exiftool', '-api', 'QuickTimeUTC=1', '-n', '-json', $path], [
+            1 => ['pipe', 'w'],
+            2 => ['pipe', 'w'],
+        ], $pipes);
+        stream_set_blocking($pipes[1], false);
+
+        try {
+            $stdout = self::readOrTimeout($pipes[1], 5000);
+
+            return self::processStdout($stdout);
+        } catch (\Exception $ex) {
+            error_log("Exiftool timeout: [{$path}]");
+
+            throw new \Exception('Could not read from Exiftool');
+        } finally {
+            fclose($pipes[1]);
+            fclose($pipes[2]);
+            proc_terminate($proc);
+        }
+    }
+
+    /** Get json array from stdout of exiftool */
+    private static function processStdout(string &$stdout)
+    {
+        $json = json_decode($stdout, true);
+        if (!$json) {
+            throw new \Exception('Could not read exif data');
+        }
+
+        return $json[0];
+    }
+
+    /**
+     * Update exif date using exiftool for a local file.
+     *
+     * @param string $newDate formatted in standard Exif format (YYYY:MM:DD HH:MM:SS)
+     *
+     * @return bool
+     */
+    private static function updateExifDateForLocalFile(string $path, string $newDate)
+    {
+        $cmd = ['exiftool', '-api', 'QuickTimeUTC=1', '-overwrite_original', '-DateTimeOriginal='.$newDate, $path];
+        $proc = proc_open($cmd, [
+            1 => ['pipe', 'w'],
+            2 => ['pipe', 'w'],
+        ], $pipes);
+        $stdout = self::readOrTimeout($pipes[1], 300000);
+        fclose($pipes[1]);
+        fclose($pipes[2]);
+        proc_terminate($proc);
+        if (false !== strpos($stdout, 'error')) {
+            error_log("Exiftool error: {$stdout}");
+
+            throw new \Exception('Could not update exif date: '.$stdout);
+        }
+
+        return true;
+    }
 }

lib/Listeners/PostDeleteListener.php

@@ -3,7 +3,6 @@
 declare(strict_types=1);
 
 /**
- *
  * @license AGPL-3.0-or-later
  *
  * This program is free software: you can redistribute it and/or modify
@@ -18,28 +17,29 @@ declare(strict_types=1);
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
  */
 
 namespace OCA\Memories\Listeners;
 
-use \OCA\Memories\Db\TimelineWrite;
+use OCA\Memories\Db\TimelineWrite;
-
 use OCP\EventDispatcher\Event;
 use OCP\EventDispatcher\IEventListener;
 use OCP\Files\Events\Node\NodeDeletedEvent;
 use OCP\Files\Folder;
 use OCP\IDBConnection;
 
-class PostDeleteListener implements IEventListener {
+class PostDeleteListener implements IEventListener
+{
     private TimelineWrite $util;
 
-    public function __construct(IDBConnection $connection) {
+    public function __construct(IDBConnection $connection)
+    {
         $this->util = new TimelineWrite($connection);
     }
 
-    public function handle(Event $event): void {
+    public function handle(Event $event): void
-        if (!($event instanceof NodeDeletedEvent)) {
+    {
+        if (!$event instanceof NodeDeletedEvent) {
             return;
         }
 

lib/Listeners/PostWriteListener.php

@@ -3,7 +3,6 @@
 declare(strict_types=1);
 
 /**
- *
  * @license AGPL-3.0-or-later
  *
  * This program is free software: you can redistribute it and/or modify
@@ -18,13 +17,11 @@ declare(strict_types=1);
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
  */
 
 namespace OCA\Memories\Listeners;
 
-use \OCA\Memories\Db\TimelineWrite;
+use OCA\Memories\Db\TimelineWrite;
-
 use OCP\EventDispatcher\Event;
 use OCP\EventDispatcher\IEventListener;
 use OCP\Files\Events\Node\NodeTouchedEvent;
@@ -33,18 +30,23 @@ use OCP\Files\Folder;
 use OCP\IDBConnection;
 use OCP\IUserManager;
 
-class PostWriteListener implements IEventListener {
+class PostWriteListener implements IEventListener
+{
     private TimelineWrite $timelineWrite;
 
-    public function __construct(IDBConnection $connection,
+    public function __construct(
-                                IUserManager $userManager) {
+        IDBConnection $connection,
+        IUserManager $userManager
+    )
+    {
         $this->userManager = $userManager;
         $this->timelineWrite = new TimelineWrite($connection);
     }
 
-    public function handle(Event $event): void {
+    public function handle(Event $event): void
-        if (!($event instanceof NodeWrittenEvent) &&
+    {
-            !($event instanceof NodeTouchedEvent)) {
+        if (!($event instanceof NodeWrittenEvent)
+            && !($event instanceof NodeTouchedEvent)) {
             return;
         }
 
@@ -63,14 +65,14 @@ class PostWriteListener implements IEventListener {
         // in reverse order from root to leaf. The rationale is that the
         // .nomedia file is most likely to be in higher level directories.
         $parents = [];
+
         try {
             $parent = $node->getParent();
             while ($parent) {
                 $parents[] = $parent;
                 $parent = $parent->getParent();
             }
-        }
+        } catch (\OCP\Files\NotFoundException $e) {
-        catch (\OCP\Files\NotFoundException $e) {
             // This happens when the parent is in the root directory
             // and getParent() is called on it.
         }

lib/Migration/Version000000Date20220812163631.php

@@ -4,9 +4,7 @@ declare(strict_types=1);
 
 /**
  * @copyright Copyright (c) 2022 Varun Patil <radialapps@gmail.com>
- *
  * @author Varun Patil <radialapps@gmail.com>
- *
  * @license GNU AGPL version 3 or any later version
  *
  * This program is free software: you can redistribute it and/or modify
@@ -21,26 +19,25 @@ declare(strict_types=1);
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
  */
 
 namespace OCA\Memories\Migration;
 
 use Closure;
-use OCP\DB\Types;
 use OCP\DB\ISchemaWrapper;
-use OCP\Migration\SimpleMigrationStep;
+use OCP\DB\Types;
 use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
 
-class Version000000Date20220812163631 extends SimpleMigrationStep {
+class Version000000Date20220812163631 extends SimpleMigrationStep
-
+{
     /**
-    * @param IOutput $output
      * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
-    * @param array $options
+     *
      * @return null|ISchemaWrapper
      */
-    public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+    public function changeSchema(IOutput $output, Closure $schemaClosure, array $options)
+    {
         /** @var ISchemaWrapper $schema */
         $schema = $schemaClosure();
 
@@ -66,7 +63,7 @@ class Version000000Date20220812163631 extends SimpleMigrationStep {
             ]);
             $table->addColumn('isvideo', Types::BOOLEAN, [
                 'notnull' => false,
-                'default' => false
+                'default' => false,
             ]);
             $table->addColumn('mtime', Types::INTEGER, [
                 'notnull' => true,

lib/Migration/Version200000Date20220924015634.php

@@ -4,9 +4,7 @@ declare(strict_types=1);
 
 /**
  * @copyright Copyright (c) 2022 Your name <your@email.com>
- *
  * @author Your name <your@email.com>
- *
  * @license GNU AGPL version 3 or any later version
  *
  * This program is free software: you can redistribute it and/or modify
@@ -21,35 +19,34 @@ declare(strict_types=1);
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
  */
 
 namespace OCA\Memories\Migration;
 
 use Closure;
 use OCP\DB\ISchemaWrapper;
+use OCP\IDBConnection;
 use OCP\Migration\IOutput;
 use OCP\Migration\SimpleMigrationStep;
-use OCP\IDBConnection;
 
 /**
  * Auto-generated migration step: Please modify to your needs!
  */
-class Version200000Date20220924015634 extends SimpleMigrationStep {
+class Version200000Date20220924015634 extends SimpleMigrationStep
-
+{
     /** @var IDBConnection */
     private $dbc;
 
-	public function __construct(IDBConnection $dbc) {
+    public function __construct(IDBConnection $dbc)
+    {
         $this->dbc = $dbc;
     }
 
     /**
-	 * @param IOutput $output
      * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
-	 * @param array $options
      */
-	public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+    public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void
+    {
         /** @var ISchemaWrapper $schema */
         $schema = $schemaClosure();
         if ($schema->hasTable('memories')) {
@@ -62,12 +59,10 @@ class Version200000Date20220924015634 extends SimpleMigrationStep {
     }
 
     /**
-	 * @param IOutput $output
      * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
-	 * @param array $options
-	 * @return null|ISchemaWrapper
      */
-	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+    public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper
+    {
         /** @var ISchemaWrapper $schema */
         $schema = $schemaClosure();
 
@@ -90,10 +85,9 @@ class Version200000Date20220924015634 extends SimpleMigrationStep {
     }
 
     /**
-	 * @param IOutput $output
      * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
-	 * @param array $options
      */
-	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+    public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void
+    {
     }
 }

lib/Migration/Version400000Date20221015121115.php

@@ -4,9 +4,7 @@ declare(strict_types=1);
 
 /**
  * @copyright Copyright (c) 2022 Your name <your@email.com>
- *
  * @author Your name <your@email.com>
- *
  * @license GNU AGPL version 3 or any later version
  *
  * This program is free software: you can redistribute it and/or modify
@@ -21,37 +19,33 @@ declare(strict_types=1);
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
  */
 
 namespace OCA\Memories\Migration;
 
 use Closure;
-use OCP\DB\Types;
 use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
 use OCP\Migration\IOutput;
 use OCP\Migration\SimpleMigrationStep;
 
 /**
  * Auto-generated migration step: Please modify to your needs!
  */
-class Version400000Date20221015121115 extends SimpleMigrationStep {
+class Version400000Date20221015121115 extends SimpleMigrationStep
-
+{
     /**
-	 * @param IOutput $output
      * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
-	 * @param array $options
      */
-	public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+    public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void
+    {
     }
 
     /**
-	 * @param IOutput $output
      * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
-	 * @param array $options
-	 * @return null|ISchemaWrapper
      */
-	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+    public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper
+    {
         /** @var ISchemaWrapper $schema */
         $schema = $schemaClosure();
 
@@ -74,10 +68,9 @@ class Version400000Date20221015121115 extends SimpleMigrationStep {
     }
 
     /**
-	 * @param IOutput $output
      * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
-	 * @param array $options
      */
-	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+    public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void
+    {
     }
 }

lib/Util.php

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 namespace OCA\Memories;
@@ -6,7 +7,8 @@ namespace OCA\Memories;
 use OCA\Memories\AppInfo\Application;
 use OCP\IConfig;
 
-class Util {
+class Util
+{
     public static $TAG_DAYID_START = -(1 << 30); // the world surely didn't exist
     public static $TAG_DAYID_FOLDERS = -(1 << 30) + 1;
 
@@ -14,14 +16,14 @@ class Util {
 
     /**
      * Get the path to the user's configured photos directory.
-     * @param IConfig $config
-     * @param string $userId
      */
-    public static function getPhotosPath(IConfig &$config, string $userId) {
+    public static function getPhotosPath(IConfig &$config, string $userId)
+    {
         $p = $config->getUserValue($userId, Application::APPNAME, 'timelinePath', '');
         if (empty($p)) {
             return '/Photos/';
         }
+
         return $p;
     }
 }