Make saving the configuration more robust (#594)

* feat: Make saving the configuration more robust

* parse backup user config before return

* fix some bug

* Add write-userconfig.js and invalid-config.bin

* throw exception if failed user config parsing

* Merge branch 'master' into feat-467-make-save-more-robust

* hide keymaps and macros if agent in restore mode

* fix Device name settings

packages/uhk-common/src/util/helpers.ts

@@ -0,0 +1,33 @@
+import { HardwareConfiguration, UhkBuffer, UserConfiguration } from '../../index';
+
+export const getHardwareConfigFromDeviceResponse = (json: string): HardwareConfiguration => {
+    const data = JSON.parse(json);
+    const hardwareConfig = new HardwareConfiguration();
+    hardwareConfig.fromBinary(UhkBuffer.fromArray(data));
+
+    if (hardwareConfig.uniqueId > 0) {
+        return hardwareConfig;
+    }
+    return null;
+};
+
+export const getUserConfigFromDeviceResponse = (json: string): UserConfiguration => {
+    const data = JSON.parse(json);
+    const userConfig = new UserConfiguration();
+    userConfig.fromBinary(UhkBuffer.fromArray(data));
+
+    if (userConfig.userConfigMajorVersion > 0) {
+        return userConfig;
+    }
+
+    throw Error('Invalid user configuration');
+};
+
+export const mapObjectToUserConfigBinaryBuffer = (obj: any): Buffer => {
+    const configuration = new UserConfiguration();
+    configuration.fromJsonObject(obj);
+    const buffer = new UhkBuffer();
+    configuration.toBinary(buffer);
+
+    return buffer.getBufferContent();
+};