feat: OCS Calendar Import

apps/dav/composer/composer/autoload_classmap.php

@@ -87,6 +87,10 @@
     'OCA\\DAV\\CalDAV\\FreeBusy\\FreeBusyGenerator' => $baseDir . '/../lib/CalDAV/FreeBusy/FreeBusyGenerator.php',
     'OCA\\DAV\\CalDAV\\ICSExportPlugin\\ICSExportPlugin' => $baseDir . '/../lib/CalDAV/ICSExportPlugin/ICSExportPlugin.php',
     'OCA\\DAV\\CalDAV\\IRestorable' => $baseDir . '/../lib/CalDAV/IRestorable.php',
+    'OCA\\DAV\\CalDAV\\Import\\ImportCountEvent' => $baseDir . '/../lib/CalDAV/Import/ImportCountEvent.php',
+    'OCA\\DAV\\CalDAV\\Import\\ImportDisposition' => $baseDir . '/../lib/CalDAV/Import/ImportDisposition.php',
+    'OCA\\DAV\\CalDAV\\Import\\ImportEvent' => $baseDir . '/../lib/CalDAV/Import/ImportEvent.php',
+    'OCA\\DAV\\CalDAV\\Import\\ImportObjectEvent' => $baseDir . '/../lib/CalDAV/Import/ImportObjectEvent.php',
     'OCA\\DAV\\CalDAV\\Import\\ImportService' => $baseDir . '/../lib/CalDAV/Import/ImportService.php',
     'OCA\\DAV\\CalDAV\\Import\\TextImporter' => $baseDir . '/../lib/CalDAV/Import/TextImporter.php',
     'OCA\\DAV\\CalDAV\\Import\\XmlImporter' => $baseDir . '/../lib/CalDAV/Import/XmlImporter.php',
@@ -261,6 +265,8 @@
     'OCA\\DAV\\Connector\\Sabre\\UserIdHeaderPlugin' => $baseDir . '/../lib/Connector/Sabre/UserIdHeaderPlugin.php',
     'OCA\\DAV\\Connector\\Sabre\\ZipFolderPlugin' => $baseDir . '/../lib/Connector/Sabre/ZipFolderPlugin.php',
     'OCA\\DAV\\Controller\\BirthdayCalendarController' => $baseDir . '/../lib/Controller/BirthdayCalendarController.php',
+    'OCA\\DAV\\Controller\\CalendarExportController' => $baseDir . '/../lib/Controller/CalendarExportController.php',
+    'OCA\\DAV\\Controller\\CalendarImportController' => $baseDir . '/../lib/Controller/CalendarImportController.php',
     'OCA\\DAV\\Controller\\DirectController' => $baseDir . '/../lib/Controller/DirectController.php',
     'OCA\\DAV\\Controller\\ExampleContentController' => $baseDir . '/../lib/Controller/ExampleContentController.php',
     'OCA\\DAV\\Controller\\InvitationResponseController' => $baseDir . '/../lib/Controller/InvitationResponseController.php',

apps/dav/composer/composer/autoload_static.php

@@ -7,14 +7,14 @@
 class ComposerStaticInitDAV
 {
     public static $prefixLengthsPsr4 = array (
-        'O' =>
+        'O' => 
         array (
             'OCA\\DAV\\' => 8,
         ),
     );
 
     public static $prefixDirsPsr4 = array (
-        'OCA\\DAV\\' =>
+        'OCA\\DAV\\' => 
         array (
             0 => __DIR__ . '/..' . '/../lib',
         ),
@@ -102,6 +102,10 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\CalDAV\\FreeBusy\\FreeBusyGenerator' => __DIR__ . '/..' . '/../lib/CalDAV/FreeBusy/FreeBusyGenerator.php',
         'OCA\\DAV\\CalDAV\\ICSExportPlugin\\ICSExportPlugin' => __DIR__ . '/..' . '/../lib/CalDAV/ICSExportPlugin/ICSExportPlugin.php',
         'OCA\\DAV\\CalDAV\\IRestorable' => __DIR__ . '/..' . '/../lib/CalDAV/IRestorable.php',
+        'OCA\\DAV\\CalDAV\\Import\\ImportCountEvent' => __DIR__ . '/..' . '/../lib/CalDAV/Import/ImportCountEvent.php',
+        'OCA\\DAV\\CalDAV\\Import\\ImportDisposition' => __DIR__ . '/..' . '/../lib/CalDAV/Import/ImportDisposition.php',
+        'OCA\\DAV\\CalDAV\\Import\\ImportEvent' => __DIR__ . '/..' . '/../lib/CalDAV/Import/ImportEvent.php',
+        'OCA\\DAV\\CalDAV\\Import\\ImportObjectEvent' => __DIR__ . '/..' . '/../lib/CalDAV/Import/ImportObjectEvent.php',
         'OCA\\DAV\\CalDAV\\Import\\ImportService' => __DIR__ . '/..' . '/../lib/CalDAV/Import/ImportService.php',
         'OCA\\DAV\\CalDAV\\Import\\TextImporter' => __DIR__ . '/..' . '/../lib/CalDAV/Import/TextImporter.php',
         'OCA\\DAV\\CalDAV\\Import\\XmlImporter' => __DIR__ . '/..' . '/../lib/CalDAV/Import/XmlImporter.php',
@@ -276,6 +280,8 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\Connector\\Sabre\\UserIdHeaderPlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/UserIdHeaderPlugin.php',
         'OCA\\DAV\\Connector\\Sabre\\ZipFolderPlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/ZipFolderPlugin.php',
         'OCA\\DAV\\Controller\\BirthdayCalendarController' => __DIR__ . '/..' . '/../lib/Controller/BirthdayCalendarController.php',
+        'OCA\\DAV\\Controller\\CalendarExportController' => __DIR__ . '/..' . '/../lib/Controller/CalendarExportController.php',
+        'OCA\\DAV\\Controller\\CalendarImportController' => __DIR__ . '/..' . '/../lib/Controller/CalendarImportController.php',
         'OCA\\DAV\\Controller\\DirectController' => __DIR__ . '/..' . '/../lib/Controller/DirectController.php',
         'OCA\\DAV\\Controller\\ExampleContentController' => __DIR__ . '/..' . '/../lib/Controller/ExampleContentController.php',
         'OCA\\DAV\\Controller\\InvitationResponseController' => __DIR__ . '/..' . '/../lib/Controller/InvitationResponseController.php',

apps/dav/lib/CalDAV/Import/ImportCountEvent.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\DAV\CalDAV\Import;
+
+final readonly class ImportCountEvent implements ImportEvent {
+	public function __construct(
+		public int $vevent,
+		public int $vtodo,
+		public int $vjournal,
+	) {
+	}
+
+	public function total(): int {
+		return $this->vevent + $this->vtodo + $this->vjournal;
+	}
+
+	/**
+	 * @return array{type: 'count', vevent: int, vtodo: int, vjournal: int}
+	 */
+	#[\Override]
+	public function jsonSerialize(): array {
+		return [
+			'type' => 'count',
+			'vevent' => $this->vevent,
+			'vtodo' => $this->vtodo,
+			'vjournal' => $this->vjournal,
+		];
+	}
+}

apps/dav/lib/CalDAV/Import/ImportDisposition.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\DAV\CalDAV\Import;
+
+enum ImportDisposition: string {
+	case Created = 'created';
+	case Updated = 'updated';
+	case Exists = 'exists';
+	case Error = 'error';
+}

apps/dav/lib/CalDAV/Import/ImportEvent.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\DAV\CalDAV\Import;
+
+use JsonSerializable;
+
+interface ImportEvent extends JsonSerializable {
+}

apps/dav/lib/CalDAV/Import/ImportObjectEvent.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\DAV\CalDAV\Import;
+
+final readonly class ImportObjectEvent implements ImportEvent {
+	/**
+	 * @param list<string> $errors
+	 */
+	public function __construct(
+		public ?string $identifier,
+		public ImportDisposition $disposition,
+		public array $errors = [],
+	) {
+	}
+
+	public function isError(): bool {
+		return $this->disposition === ImportDisposition::Error;
+	}
+
+	/**
+	 * @return array{type: 'object', identifier: ?string, disposition: string, errors: list<string>}
+	 */
+	#[\Override]
+	public function jsonSerialize(): array {
+		$result = [
+			'type' => 'object',
+			'identifier' => $this->identifier,
+			'disposition' => $this->disposition->value,
+			'errors' => $this->errors,
+		];
+
+		return $result;
+	}
+}