Add support for file question

Signed-off-by: Konstantin Myakshin <molodchick@gmail.com>

Author: Koc

appinfo/info.xml

@@ -13,7 +13,7 @@
 - **🙋 Get involved!** We have lots of stuff planned like more question types, collaboration on forms, [and much more](https://github.com/nextcloud/forms/milestones)!
 	]]></description>
 
-	<version>4.2.3</version>
+	<version>4.2.4</version>
 	<licence>agpl</licence>
 
 	<author>Affan Hussain</author>
@@ -54,6 +54,10 @@
 		<nextcloud min-version="28" max-version="29" />
 	</dependencies>
 
+	<background-jobs>
+		<job>OCA\Forms\BackgroundJob\CleanupUploadedFilesJob</job>
+	</background-jobs>
+
 	<settings>
 		<admin>OCA\Forms\Settings\Settings</admin>
 		<admin-section>OCA\Forms\Settings\SettingsSection</admin-section>

appinfo/routes.php

@@ -331,6 +331,14 @@
 				'apiVersion' => 'v2(\.[1-4])?'
 			]
 		],
+		[
+			'name' => 'api#uploadFiles',
+			'url' => '/api/{apiVersion}/uploadFiles/{formId}/{questionId}',
+			'verb' => 'POST',
+			'requirements' => [
+				'apiVersion' => 'v2.5'
+			]
+		],
 		[
 			'name' => 'api#insertSubmission',
 			'url' => '/api/{apiVersion}/submission/insert',

lib/BackgroundJob/CleanupUploadedFilesJob.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace OCA\Forms\BackgroundJob;
+
+use OCA\Forms\Db\FormMapper;
+use OCA\Forms\Db\UploadedFileMapper;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\BackgroundJob\TimedJob;
+use OCP\Files\IRootFolder;
+use Psr\Log\LoggerInterface;
+
+class CleanupUploadedFilesJob extends TimedJob {
+	private const FILE_LIFETIME = '-2 days';
+
+	public function __construct(
+		private IRootFolder $storage,
+		private FormMapper $formMapper,
+		private UploadedFileMapper $uploadedFileMapper,
+		private LoggerInterface $logger,
+		ITimeFactory $time) {
+		parent::__construct($time);
+
+		$this->setInterval(60 * 60 * 24);
+
+	}
+
+	/**
+	 * @param array $argument
+	 */
+	public function run($argument): void {
+		$dateTime = new \DateTimeImmutable(self::FILE_LIFETIME);
+		$this->logger->info('Deleting files that were uploaded before {before} and still not submitted.', [
+			'before' => $dateTime->format(\DateTimeImmutable::ATOM),
+		]);
+
+		$uploadedFiles = $this->uploadedFileMapper->findUploadedEarlierThan($dateTime);
+
+		$deleted = 0;
+		foreach ($uploadedFiles as $uploadedFile) {
+			$this->logger->info('Deleting uploaded file "{originalFileName}" for form {formId}.', [
+				'originalFileName' => $uploadedFile->getOriginalFileName(),
+				'formId' => $uploadedFile->getFormId(),
+			]);
+
+			$form = $this->formMapper->findById($uploadedFile->getFormId());
+			$userFolder = $this->storage->getUserFolder($form->getOwnerId());
+
+			$nodes = $userFolder->getById($uploadedFile->getFileId());
+
+			if (!empty($nodes)) {
+				$node = $nodes[0];
+				$node->delete();
+			} else {
+				$this->logger->warning('Could not find uploaded file "{fileId}" for deletion.', [
+					'fileId' => $uploadedFile->getFileId(),
+				]);
+			}
+
+			$this->uploadedFileMapper->delete($uploadedFile);
+
+			$deleted++;
+		}
+
+		$this->logger->info('Deleted {deleted} uploaded files.', ['deleted' => $deleted]);
+	}
+}

lib/Constants.php

@@ -91,6 +91,7 @@ class Constants {
 	public const ANSWER_TYPE_DATE = 'date';
 	public const ANSWER_TYPE_DATETIME = 'datetime';
 	public const ANSWER_TYPE_TIME = 'time';
+	public const ANSWER_TYPE_FILE = 'file';
 
 	// All AnswerTypes
 	public const ANSWER_TYPES = [
@@ -101,7 +102,8 @@ class Constants {
 		self::ANSWER_TYPE_LONG,
 		self::ANSWER_TYPE_DATE,
 		self::ANSWER_TYPE_DATETIME,
-		self::ANSWER_TYPE_TIME
+		self::ANSWER_TYPE_TIME,
+		self::ANSWER_TYPE_FILE,
 	];
 
 	// AnswerTypes, that need/have predefined Options
@@ -155,6 +157,21 @@ class Constants {
 		'validationRegex' => ['string'],
 	];
 
+	public const EXTRA_SETTINGS_FILE = [
+		'allowedFileTypes',
+		'allowedFileExtensions',
+		'maxAllowedFilesCount',
+		'maxFileSize',
+	];
+
+	// should be in sync with FileTypes.js
+	public const EXTRA_SETTINGS_ALLOWED_FILE_TYPES = [
+		'image',
+		'x-office/document',
+		'x-office/presentation',
+		'x-office/spreadsheet',
+	];
+
 	/**
 	 * !! Keep in sync with src/mixins/ShareTypes.js !!
 	 */
@@ -204,4 +221,8 @@ class Constants {
 	];
 
 	public const DEFAULT_FILE_FORMAT = 'csv';
+
+	public const UNSUBMITTED_FILES_FOLDER = 'forms/unsubmitted';
+
+	public const FILES_FOLDER = 'forms';
 }