feat(files): add conversion action

Signed-off-by: skjnldsv <skjnldsv@protonmail.com>

apps/files/src/actions/convertAction.ts

@@ -0,0 +1,70 @@
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+import type { Node, View } from '@nextcloud/files'
+
+import { FileAction, registerFileAction } from '@nextcloud/files'
+import { generateUrl } from '@nextcloud/router'
+import { getCapabilities } from '@nextcloud/capabilities'
+import { t } from '@nextcloud/l10n'
+
+import AutoRenewSvg from '@mdi/svg/svg/autorenew.svg?raw'
+
+import logger from '../logger'
+
+type ConversionsProvider = {
+	from: string,
+	to: string[],
+}
+
+export const ACTION_CONVERT = 'convert'
+
+export const registerConvertActions = () => {
+	// Generate sub actions
+	const convertProviders = getCapabilities()?.core?.conversions as ConversionsProvider[]
+	const actions = convertProviders.map(provider => {
+		return provider.to.map(to => new FileAction({
+			id: `convert-${provider.from}-${to}`,
+			displayName: () => t('files', 'Save as {to}', { to }),
+			iconSvgInline: () => generateIconSvg(to),
+			enabled: (nodes: Node[]) => {
+				// Check if some of the nodes are not of the right type
+				return !nodes.some(node => provider.from !== node.mime)
+			},
+
+			async exec(node: Node) {
+				logger.debug(`Convert to ${provider.from}`, { node })
+				return null
+			},
+
+			parent: ACTION_CONVERT,
+		}))
+	}).flat()
+
+	// Register main action
+	registerFileAction(new FileAction({
+		id: ACTION_CONVERT,
+		displayName: () => t('files', 'Save as'),
+		iconSvgInline: () => AutoRenewSvg,
+		enabled: (nodes: Node[], view: View) => {
+			return actions.some(action => action.enabled!(nodes, view))
+		},
+		async exec() {
+			return null
+		},
+		order: 25,
+	}))
+
+	// Register sub actions
+	actions.forEach(registerFileAction)
+}
+
+export const generateIconSvg = (mime: string) => {
+	// Generate icon based on mime type
+	const url = generateUrl('/core/mimeicon?mime=' + encodeURIComponent(mime))
+	return `<svg width="32" height="32" viewBox="0 0 32 32"
+		xmlns="http://www.w3.org/2000/svg">
+		<image href="${url}" height="32" width="32" />
+	</svg>`
+}

apps/files/src/init.ts

@@ -32,8 +32,10 @@ import registerPreviewServiceWorker from './services/ServiceWorker.js'
 
 import { initLivePhotos } from './services/LivePhotos'
 import { isPublicShare } from '@nextcloud/sharing/public'
+import { registerConvertActions } from './actions/convertAction.ts'
 
 // Register file actions
+registerConvertActions()
 registerFileAction(deleteAction)
 registerFileAction(downloadAction)
 registerFileAction(editLocallyAction)