Adding cache for IpLocation

src/main.rs

@@ -4,25 +4,26 @@ mod current_weather;
 mod current_weather_extractor;
 mod current_weather_output;
 mod current_weather_output_model;
-
 mod current_weather_print_params;
 mod data_format;
 mod ifconfig;
 mod ip_api;
+mod ip_location;
+mod ip_location_cache;
 mod open_meteo;
 mod speed_unit;
 mod temp_unit;
 
 use billboard::{Alignment, Billboard};
-use current_weather_print_params::CurrentWeatherPrintParams;
 use data_format::DataFormat;
+use ip_location_cache::{get_from_cache, save_to_cache};
 use std::process::exit;
 use structopt::StructOpt;
 
 use cli::Arguments;
 use coords::Coordinates;
-
 use current_weather_extractor::CurrentWeatherExtractor;
+use current_weather_print_params::CurrentWeatherPrintParams;
 use ifconfig::extract_public_ip;
 use ip_api::extract_coords_and_city;
 use open_meteo::request_current_weather;
@@ -82,16 +83,24 @@ fn main() {
                     exit(1);
                 });
 
-                let coords_result = extract_coords_and_city(&ip);
-                let coords = coords_result.unwrap_or_else(|_| {
-                    eprintln!("[ERROR] Could not extract IP coordinates from ip_api");
-                    exit(1);
-                });
+                let ip_location;
+                let cache_ip_location = get_from_cache(&ip);
 
-                let latitude = coords["lat"].as_f64().unwrap();
-                let longitude = coords["lon"].as_f64().unwrap();
+                if cache_ip_location.is_some() {
+                    ip_location = cache_ip_location.unwrap();
+                } else {
+                    let ip_location_res = extract_coords_and_city(&ip);
+                    ip_location = ip_location_res.unwrap_or_else(|_| {
+                        eprintln!("[ERROR] Could not extract IP location from ip_api");
+                        exit(1);
+                    });
+                    save_to_cache(&ip, &ip_location);
+                }
+
+                let latitude = ip_location.lat;
+                let longitude = ip_location.lon;
                 coordinates = Coordinates::new(latitude, longitude);
-                city = Some(coords["city"].as_str().unwrap().to_string());
+                city = Some(ip_location.city);
             }
 
             let result = request_current_weather(&coordinates, &temperature_unit, &speed_unit);