improvements to netcode and new functionality

src/json.rs

@@ -1,6 +1,7 @@
 use std::path::Path;
 use std::fs::File;
 use std::io::{ErrorKind, Read};
+use json::Error as JsonError;
 
 pub struct JsonStruct {
     pub ha_url: String,
@@ -50,4 +51,15 @@ fn read_file(path: &Path) -> String {
             _ => panic!("[ERROR] Unexpected error reading the JSON"),
         }
     }
+}
+
+pub fn get_state(response: String) -> Result<Option<bool>, JsonError> {
+    let json = json::parse(response.as_str())?;
+    let state = json::stringify(json[0]["state"].as_str());
+
+    match &state[1..&state.len()-1] {
+        "on" => Ok(Some(true)),
+        "off" => Ok(Some(false)),
+        _ => Ok(None),
+    }
 }