added funtionality to turn off lights when TV is off

Added some functionality when the TV is turned off, the lights turn off.

src/config.rs

@@ -2,36 +2,45 @@ extern crate serde;
 extern crate serde_derive;
 extern crate serde_json;
 
-use std::fs::File;
-use std::io::{BufReader, Read};
+use std::fs::{write, File};
+use std::io::{BufReader, Read, BufWriter, Write};
 use std::path::Path;
 use std::future::Future;
 
 use reqwest::Client;
 use select::document::Document;
 use select::predicate::Name;
-use serde::Deserialize;
+use serde::{Serialize, Deserialize};
 use serde_json::Result;
 
 // config structure
-#[derive(Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug)]
 pub struct Configuration {
     pub ipaddr: String,
     pub port: i32,
     pub tv: String,
     pub active_app: String,
+    pub power_status: String,
 }
 
 impl Configuration {
     pub fn is_change_app(&self) -> bool {
-        true
+        self.active_app == self.get_app_status()
     }
 
-    pub fn change_active_app(&mut self) {
-        // stuff happens here
+    pub fn is_change_power(&self) -> bool {
+        self.power_status == self.get_power_status()
     }
 
-    pub fn get_tv_status(&self) -> String {
+    pub fn change_active_app(&mut self, app_text: &String) {
+        self.active_app = app_text.to_string();
+    }
+
+    pub fn change_power(&mut self, power_text: &String) {
+        self.power_status = power_text.to_string();
+    }
+
+    pub fn get_app_status(&self) -> String {
         let request = format!(
             "http://{ipaddr}:{port}/query/active-app",
             ipaddr = self.ipaddr,