support for status query, extended battery status, more error codes

src/lib/errorHandler.ts

@@ -19,6 +19,10 @@ export class ErrorHandler {
                 return "Unknown error";
             case KeyturnerError.BAD_PIN:
                 return "The provided PIN is invalid";
+            case KeyturnerError.MOTOR_BLOCKED:
+                return "The motor was blocked during operation";
+            case KeyturnerError.CLUTCH_FAILURE:
+                return "The clutch failed";
 
             default:
                 return "Unknown error - code: 0x" + errCode.toString(16);

src/lib/server.ts

@@ -21,6 +21,19 @@ let configs = readConfigs();
 
 console.log(configs);
 
+app.get("/:name/status", (req, res) => {
+    if(!configs[req.params.name]){
+        res.status(404).send('Lock not present in config');
+    }
+    executeAction(configs[req.params.name].uuid, (smartLock) => {
+        return lockUnlockAction(smartLock, (smartlock) => smartlock.readLockState());
+    }).then(response => {
+        res.status(200).send(response);
+    }).catch(err => {
+        res.status(400).send(err.message);
+    });
+});
+
 app.get("/:name/lock", (req, res) => {
     if(!configs[req.params.name]){
         res.status(404).send('Lock not present in config');

src/lib/smartLockCommands/KeyTurnerStatesCommand.ts

@@ -30,7 +30,10 @@ export class KeyTurnerStatesCommand extends SmartLockCommand {
 
         this._response.data.currentTime = date;
 
-        this._response.data.battery_critical = payload.readUInt8(12) != 0;
+	let battery = payload.readUInt8(12) // see https://developer.nuki.io/page/nuki-smart-lock-api-2/2#heading--keyturner-states
+        this._response.data.battery_critical = (battery & 0x01) != 0;
+	this._response.data.battery_charging = (battery & 0x02) != 0;
+	this._response.data.battery_percent = (battery >> 2) * 2;
         this._response.data.configUpdateCount = payload.readUInt8(13);
         this._response.data.lockNGoTimer = payload.readUInt8(14);
         this._response.data.lastLockAction = payload.readUInt8(15);

src/lib/states.ts

@@ -55,7 +55,9 @@ export enum GeneralError {
 }
 
 export enum KeyturnerError {
-    BAD_PIN = 0x21
+    BAD_PIN = 0x21,
+    MOTOR_BLOCKED = 0x42,
+    CLUTCH_FAILURE = 0x43
 }
 
 export enum Status {