Init repo

Cargo.toml

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+[package]
+name = "clima"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+serde = { version = "1.0", features = ["derive"]}
+serde_json = "1.0"
+reqwest = { version = "0.11", features = ["json"]}
+tokio = { version = "1", features = ["full"] }

README.md

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+# accuweathercall

cities.txt

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+# accuweathercall

src/main.rs

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+use std::env;
+use std::fs::File;
+use serde::{Serialize, Deserialize};
+use std::string::String;
+
+#[derive(Debug, Serialize, Deserialize)]
+struct City {
+    name : String,  
+    code: String
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct Country {
+    name : String,
+    flag: String,
+    cities: Vec<City>
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct Weather {
+    #[serde(rename = "Headline")]
+    headline: Headline,
+    #[serde(rename = "DailyForecasts")]
+    daily_forecasts: Vec<DailyForecasts>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct Headline {
+    #[serde(rename = "Text")]
+    text: String
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct DailyForecasts {
+    #[serde(rename = "Date")]
+    date: String,
+    #[serde(rename = "Day")]
+    day: Day,
+    #[serde(rename = "Night")]
+    night: Day,
+    #[serde(rename = "Temperature")]
+    temperature : Temperature,
+    #[serde(rename = "Link")] 
+    link: String
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct Day {
+    #[serde(rename = "Icon")]
+    icon: i32,
+    #[serde(rename = "IconPhrase")]
+    icon_phrase : String
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct Temperature {
+    #[serde(rename = "Minimum")] 
+    minimum: TemperatureValue,
+    #[serde(rename = "Maximum")] 
+    maximum: TemperatureValue
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct TemperatureValue {
+    #[serde(rename = "Value")] 
+    value: f32,
+    #[serde(rename = "Unit")] 
+    unit: String,
+    #[serde(rename = "UnitType")] 
+    unit_type: u32,
+}
+
+#[tokio::main]
+async fn main() {
+    let args: Vec<String> = env::args().collect();
+
+    let key = &args[1];
+    let path = &args[2];
+
+    let countries: Vec<Country> = get_list(path.to_string());
+
+    for country in countries {
+        println!("{} {}", country.name, country.flag);
+        for city in country.cities {
+            println!("{}", city.name);            
+            if let Ok(w) = call_api(&city.code, &key).await {
+                println!("{}", w.headline.text);
+                println!("Máxima: {} | Mínima:{}",w.daily_forecasts[0].temperature.maximum.value, w.daily_forecasts[0].temperature.minimum.value);
+                println!("Día {} ({}) | Noche {} ({})", 
+                    convert_icon(w.daily_forecasts[0].day.icon), 
+                    w.daily_forecasts[0].day.icon_phrase, 
+                    convert_icon(w.daily_forecasts[0].night.icon),
+                    w.daily_forecasts[0].night.icon_phrase,
+                );
+                println!("Más información: {}", w.daily_forecasts[0].link);
+                println!("***************************");
+            } else {
+                println!("Tan cerca... pero tan lejos. Algo en las estructuras está mal. Quizá nunca debiste ponerte a estudiar RUST. Cagón!");
+            }
+        }
+    }
+}
+
+// Get all the city and countrie data outside of the program
+fn get_list(path:String) -> Vec<Country> {
+    let file = File::open(path).expect("El archivo debería permitir la lectura.");
+    let json: Vec<Country> = serde_json::from_reader(file).expect("Pensá un poquito... capaz que no colocaste la ruta correctamente o peñarol peñarol.");
+    return json;
+}
+
+// This is the call to the api. 
+async fn call_api(code:&String, api_key:&String) -> Result<Weather, reqwest::Error> {
+    let url = format!(
+        "http://dataservice.accuweather.com/forecasts/v1/daily/1day/{}?apikey={}&language=es-ES&metric=true", 
+        code, 
+        api_key);
+
+    let data = reqwest::get(url)
+        .await?
+        .json::<Weather>()
+        .await?;
+
+    Ok(data)
+}
+
+fn convert_icon(icon: i32) -> String {
+   
+    let final_icon =  match icon {
+        1..=5 => ":soleado:",
+        6 => ":casi_todo_soleado:",
+        7..=8 => ":nube:",
+        35..=38 => ":nube:",
+        11 => ":nube:",
+        22 => ":nube:",
+        12 => ":nube_de_lluvia:",
+        13..=14 => ":sol_tras_nubes_lluvia:",
+        19 => ":nube_de_nieve:",
+        15 => ":nube_de_truenos_y_lluvia:",
+        20..=21 => ":sol_con_nubes:",
+        23 => ":sol_con_nubes:",
+        24 => ":cubito_de_hielo:",
+        18 => ":nube_de_lluvia:",
+        25 => ":nube_de_lluvia:",
+        39..=40 => ":nube_de_lluvia:",
+        16..=17 => ":nube_de_truenos_y_lluvia:",
+        41..=42 => ":nube_de_truenos_y_lluvia:",
+        26 => ":nube_de_nieve:",
+        29 => ":nube_de_nieve:",
+        30 => ":cara_con_calor:",
+        31 => ":cara_con_frio:",
+        32 => ":guión:",
+        33..=34 => ":luna_llena_con_cara:",
+        _=>""
+    };
+
+    return final_icon.to_string();
+}