Merge pull request #8 from myDevicesIoT/feat/add-delorean-state-api

Fix: add channel state api

Author: jasondu168

lib/Services/delorean-es.js

@@ -37,6 +37,20 @@ class DeloreanES {
     return this.auth.send(this.service, 'GET', url, { query });
   }
 
+  /**
+   * @param {String}  userId
+   * @param {String}  deviceId
+   * @param {String}  channel
+   * @param {Object}  query
+   * @param {String}  query.event
+   * @param {String}  query.units
+   */
+  getChannelState(userId, deviceId, channel, query) {
+    const url = `${this.url}/devices/${deviceId}/channels/${channel}/state`;
+    query = { ...query, user_id: userId };
+    return this.auth.send(this.service, 'GET', url, { query });
+  }
+
   /**
    * @param {String}  userId
    * @param {String}  deviceIds