bleak/src/config.rs

extern crate serde;
extern crate serde_derive;
extern crate serde_json;

use std::fs::File;
use std::io::{BufReader, Read};
use std::path::Path;

use reqwest::Client;
use select::document::Document;
use select::predicate::Name;
use serde::Deserialize;
use serde_json::Result;

// config structure
#[derive(Deserialize, Debug)]
pub struct Configuration {
    pub ipaddr: String,
    pub port: i32,
    pub tv: String,
    pub active_app: String,
}

impl Configuration {
    pub fn is_change_app(&self) -> bool {
        true
    }

    pub fn change_active_app(&mut self) {
        // stuff happens here
    }
}

// grab the config
pub fn init_config() -> Configuration {
    let mut file = File::open(&Path::new("config.json")).expect("Couldn't grab JSON!");
    let mut data = String::new();
    file.read_to_string(&mut data).expect("Couldn't read file!");

    let config: Configuration = serde_json::from_str(&data).expect("Couldn't parse JSON!");

    config
}

pub fn get_tv_status(configuration: &Configuration) -> String {
    let request = format!(
        "http://{ipaddr}:{port}/query/active-app",
        ipaddr = configuration.ipaddr,
        port = configuration.port
    );
    let response = reqwest::get(&request).unwrap();
    //println!("{}", response.status());
    let document = Document::from_read(response).unwrap();
    let next = document.find(Name("app")).next().unwrap();

    next.text().to_string()
}