make selection of config-services downloadable as json e.g. for config-services script

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

templates/Froxlor/settings/configuration.html.twig

@@ -104,7 +104,9 @@
 				{{ lng('admin.configfiles.recommendednote') }}
 			</div>
 			<div class="col-12 col-md-6 text-end">
+				<input type="hidden" name="dist" value="{{ distribution }}" />
 				<button type="button" class="btn btn-outline-secondary" id="selectRecommendedConfig">{{ lng('admin.configfiles.selectrecommended') }}</button>
+				<button type="button" class="btn btn-outline-secondary" id="downloadSelectionAsJson"><i class="fa-solid fa-download"></i> {{ lng('admin.configfiles.downloadselected') }}</button>
 				<button type="submit" class="btn btn-primary">{{ lng('update.proceed') }}</button>
 			</div>
 		</div>

templates/Froxlor/src/js/components/configfiles.js

@@ -12,6 +12,18 @@ $(function () {
 		})
 	});
 
+	/*
+	 * export/download JSON file (e.g. for usage with config-services)
+	 */
+	$('#downloadSelectionAsJson').on('click', function () {
+		var formData = $(this).closest('form').serialize();
+		window.location = "lib/ajax.php?action=getConfigJsonExport&" + formData;
+	});
+
+	/*
+	 * open modal window to show selected config-commands/files
+	 * for selected daemon
+	 */
 	$('.show-config').on('click', function () {
 		var distro = $(this).data('dist');
 		var section = $(this).data('section');