All: Added sync config check to config screens

ReactNativeClient/lib/components/shared/config-shared.js

@@ -0,0 +1,38 @@
+const Setting = require('lib/models/Setting.js');
+const SyncTargetRegistry = require('lib/SyncTargetRegistry');
+const { _ } = require('lib/locale.js');
+
+const shared = {}
+
+shared.init = function(comp) {
+	if (!comp.state) comp.state = {};
+	comp.state.checkSyncConfigResult = null;
+}
+
+shared.checkSyncConfig = async function(comp, settings) {
+	const syncTargetId = settings['sync.target'];
+	const SyncTargetClass = SyncTargetRegistry.classById(syncTargetId);
+	const options = Setting.subValues('sync.' + syncTargetId, settings);
+	comp.setState({ checkSyncConfigResult: 'checking' });
+	const result = await SyncTargetClass.checkConfig(options);
+	console.info(result);
+	comp.setState({ checkSyncConfigResult: result });
+}
+
+shared.checkSyncConfigMessages = function(comp) {
+	const result = comp.state.checkSyncConfigResult;
+	const output = [];
+
+	if (result === 'checking') {
+		output.push(_('Checking... Please wait.'));
+	} else if (result && result.ok) {
+		output.push(_('Success! Synchronisation configuration appears to be correct.'));
+	} else if (result && !result.ok) {
+		output.push(_('Error. Please check that URL, username, password, etc. are correct and that the sync target is accessible. The reported error was:'));
+		output.push(result.errorMessage);
+	}
+
+	return output;
+}
+
+module.exports = shared;