Clean up

src/main.rs.backup

@@ -1,134 +0,0 @@
-use std::str;
-use std::fmt;
-use curl::easy::{Easy, List};
-use serde_json::Value;
-
-//
-// Enums
-//
-#[derive(Debug,PartialEq,Eq,Copy,Clone)]
-enum TemperatureUnits {
-    Metric,
-    Imperial,
-}
-
-impl fmt::Display for TemperatureUnits {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-       match self {
-           TemperatureUnits::Metric => write!(f, "Metric"),
-           TemperatureUnits::Imperial => write!(f, "Imperial"),
-       }
-    }
-}
-
-// Commandline parsing
-#[derive(Parser, Debug)]
-#[command(version, about, long_about = None)]
-struct CommandlineArgs {
-    /// Name of the weather station
-    #[arg(short, long, default_value = "khio")]
-    station: String,
-}
-
-
-//
-// Application options
-//
-#[derive(Debug,Copy,Clone)]
-struct AppOptions {
-    units: TemperatureUnits,
-    station: String,
-}
-
-//
-// Application (BarWeather) actions
-struct BarWeatherActions {
-    opts :AppOptions,
-}
-
-impl BarWeatherActions {
-    fn check_options(&self) -> bool {
-        let mut all_good = true;
-
-        if ! ((self.opts.units == TemperatureUnits::Metric)
-            || (self.opts.units == TemperatureUnits::Imperial)) {
-            all_good &= false;
-        }
-
-        return all_good;
-    }
-
-    fn get_current_temperature(&self, v: Value) -> f32 {
-        let deg_c :f32 = v["features"][0]["properties"]["temperature"]["value"]
-                            .to_string().parse().unwrap();
-
-        return if self.opts.units == TemperatureUnits::Metric { deg_c }
-                                                         else { (deg_c * 9.0 / 5.0) + 32.0};
-    }
-
-    fn get_temperature_unit(&self) -> String{
-        return if self.opts.units == TemperatureUnits::Metric { "°C".to_string() }
-                                                         else { "°F".to_string() };
-    }
-}
-
-//
-// Application (BarWeather)
-//
-struct BarWeather {
-    acts    :BarWeatherActions
-}
-
-impl BarWeather {
-    fn run(self) {
-        self.acts.check_options();
-        self.get_weather();
-    }
-
-    fn get_weather(self) {
-        // Print a web page onto stdout
-        let mut easy = Easy::new();
-        let app = self;
-        easy.url("https://api.weather.gov/stations/" +  + "/observations?limit=1").unwrap();
-
-        let mut list = List::new();
-        list.append("User-Agent: Bar Weather (mahesh@heshapps.com)").unwrap();
-        easy.http_headers(list).unwrap();
-
-        easy.write_function(move |data| {
-            // To debug returned JSON
-            // use std::io::{stdout, Write};
-            // stdout().write_all(data).unwrap();
-
-            let v: Value = serde_json::from_str(str::from_utf8(data).unwrap()).unwrap();
-            let temperature_value :f32 = app.acts.get_current_temperature(v);
-            let temperature_unit :String = app.acts.get_temperature_unit();
-
-            println!("{}{}", temperature_value, temperature_unit);
-            println!("{:.2}{}", temperature_value, temperature_unit);
-
-            Ok(data.len())
-
-        }
-        ).unwrap();
-        easy.perform().unwrap();
-    }
-}
-
-//
-// Entry point
-//
-fn main() {
-    let app = BarWeather {
-        acts: BarWeatherActions {
-            opts: AppOptions {
-                units: TemperatureUnits::Imperial,
-                // units: TemperatureUnits::Metric,
-            },
-        },
-    };
-
-    app.run();
-}
-// References:
-// https://reintech.io/blog/working-with-json-in-rust