Add support for actually setting fanSpeedPercent

Signed-off-by: Michael Krug <[email protected]>

functions/commands/setfanspeedpercent.js

@@ -0,0 +1,23 @@
+const DefaultCommand = require('./default.js');
+
+class SetFanSpeedPercent extends DefaultCommand {
+  static get type() {
+    return 'action.devices.commands.SetFanSpeed';
+  }
+
+  static validateParams(params) {
+    return 'fanSpeedPercent' in params && typeof params.fanSpeedPercent === 'number';
+  }
+
+  static convertParamsToValue(params) {
+    return params.fanSpeedPercent.toString();
+  }
+
+  static getResponseStates(params) {
+    return {
+      currentFanSpeedPercent: params.fanSpeedPercent
+    };
+  }
+}
+
+module.exports = SetFanSpeedPercent;

functions/devices/fan.js

@@ -51,10 +51,16 @@ class Fan extends DefaultDevice {
   }
 
   static getState(item) {
-    return {
-      currentFanSpeedSetting: item.state.toString(),
+    const state = {
       on: Number(item.state) > 0
     };
+    const config = this.getConfig(item);
+    if (config && config.speeds) {
+      state.currentFanSpeedSetting = item.state.toString();
+    } else {
+      state.currentFanSpeedPercent = Math.round(Number(item.state));
+    }
+    return state;
   }
 }
 

tests/commands/setfanspeedpercent.test.js

@@ -0,0 +1,18 @@
+const Command = require('../../functions/commands/setfanspeedpercent.js');
+
+describe('SetFanSpeed Command', () => {
+  const params = { fanSpeedPercent: 50 };
+
+  test('validateParams', () => {
+    expect(Command.validateParams({})).toBe(false);
+    expect(Command.validateParams(params)).toBe(true);
+  });
+
+  test('convertParamsToValue', () => {
+    expect(Command.convertParamsToValue(params)).toBe('50');
+  });
+
+  test('getResponseStates', () => {
+    expect(Command.getResponseStates(params)).toStrictEqual({ currentFanSpeedPercent: 50 });
+  });
+});

tests/devices/fan.test.js

@@ -86,6 +86,23 @@ describe('Fan Device', () => {
 
   test('getState', () => {
     expect(Device.getState({ state: '50' })).toStrictEqual({
+      currentFanSpeedPercent: 50,
+      on: true
+    });
+    expect(
+      Device.getState({
+        state: '50',
+        metadata: {
+          ga: {
+            config: {
+              ordered: true,
+              speeds: '0=null:off,50=slow,100=full:fast',
+              lang: 'en'
+            }
+          }
+        }
+      })
+    ).toStrictEqual({
       currentFanSpeedSetting: '50',
       on: true
     });