Some refactor, better texts, and fixing some issues

src/cli.rs

@@ -1,28 +1,34 @@
 use structopt::StructOpt;
 
 #[derive(Debug, StructOpt)]
-#[structopt(name = "Open Meteo CLI", about = "CLI to extract data from Open Meteo")]
-pub enum Options {
-    #[structopt(about = "Get current weather from a coordinate")]
+#[structopt(
+    name = "Open Meteo CLI",
+    about = "CLI to extract meteorology data from Open Meteo"
+)]
+pub enum Arguments {
+    #[structopt(about = "Gets the current weather for a coordinate")]
     CurrentWeather {
         #[structopt(short = "l", long, help = "Latitude as a decimal number")]
         latitude: f32,
-        #[structopt(short = "g", long, help = "Altitude as a decimal number")]
+        #[structopt(short = "L", long, help = "Altitude as a decimal number")]
         longitude: f32,
 
-        #[structopt(short = "d", long, help = "Extracts if its day or night")]
+        #[structopt(short = "a", long, help = "Prints all the parameters")]
+        all: bool,
+        #[structopt(short = "d", long, help = "Prints if its day or night")]
         is_day: bool,
-        #[structopt(short = "t", long, help = "Extracts decimal temperature")]
+        #[structopt(short = "t", long, help = "Prints decimal temperature")]
         temperature: bool,
-        #[structopt(short = "s", long, help = "Extracts decimal wind speed")]
+        #[structopt(short = "w", long, help = "Prints decimal wind speed")]
         windspeed: bool,
-        #[structopt(short = "w", long, help = "Extracts angle direction")]
+        #[structopt(short = "W", long, help = "Prints wind direction angle")]
         winddirection: bool,
         #[structopt(
             short = "c",
             long,
-            help = "Clean the output, and only show the values separates by commas. 
-    The order is: is_day, temperature, windspeed, winddirection"
+            help = "Cleans the output, and only shows the values separates by commas. 
+- ORDER: is_day, temperature, windspeed, winddirection
+- EXAMPLE: 1,22.4,12.5,170.0"
         )]
         clean: bool,
     },

src/current_weater.rs

@@ -0,0 +1,22 @@
+pub struct CurrentWeather {
+    current_weather: serde_json::Value,
+    clean: bool,
+}
+
+impl CurrentWeather {
+    pub fn new(current_weather: serde_json::Value, clean: bool) -> CurrentWeather {
+        CurrentWeather {
+            current_weather,
+            clean,
+        }
+    }
+
+    pub fn extract_data(&self, data_name: &str, data_description: &str) -> String {
+        let data = &self.current_weather[data_name];
+        if self.clean {
+            format!("{data}")
+        } else {
+            format!("{data_description}: {data}")
+        }
+    }
+}

src/main.rs

@@ -1,74 +1,68 @@
 mod cli;
+mod current_weater;
 
-use cli::Options;
+use std::process::exit;
 use structopt::StructOpt;
 
+use cli::Arguments;
+use current_weater::CurrentWeather;
+
 fn main() {
-    let opts = Options::from_args();
+    let opts = Arguments::from_args();
     match opts {
-        Options::CurrentWeather {
+        Arguments::CurrentWeather {
             latitude,
             longitude,
+            all,
             is_day,
             temperature,
             windspeed,
             winddirection,
             clean,
         } => {
-            let result = extract_weather(latitude, longitude);
-            let weather = result.expect("Error requesting weather");
+            if !all && !is_day && !temperature && !windspeed && !winddirection {
+                eprintln!("[ERROR] Please provide at least one parameter to print");
+                exit(1);
+            }
 
-            let mut final_string_vec: Vec<String> = Vec::new();
+            let result = extract_weather(latitude, longitude);
+            let mut weather = result.unwrap_or_else(|_| { 
+                eprintln!("[ERROR] Requesting current_weather for Latitude: {latitude}, Longitude: {longitude}");
+                exit(1);
+            });
+
+            let mut string_vec: Vec<String> = Vec::new();
 
             if !clean {
-                final_string_vec.push(format!(
+                string_vec.push(format!(
                     "=== Current weather for Latitude: {latitude}, Longitude: {longitude} ==="
                 ));
             }
 
-            // TODO: Check if any flag has been selected.
-            let current_weather = &weather["current_weather"];
-            if is_day {
-                let is_day = &current_weather["is_day"] == 1;
-                if clean {
-                    final_string_vec.push(format!("{is_day}"));
-                } else {
-                    final_string_vec.push(format!("Is day: {is_day}"));
-                }
+            let current_weather_data = weather["current_weather"].take();
+            let current_weather = CurrentWeather::new(current_weather_data, clean);
+
+            if is_day || all {
+                string_vec.push(current_weather.extract_data("is_day", "Is day"));
             }
 
-            if temperature {
-                let temperature = &current_weather["temperature"];
-                if clean {
-                    final_string_vec.push(format!("{temperature}"));
-                } else {
-                    final_string_vec.push(format!("Temperature: {temperature}"));
-                }
+            if temperature || all {
+                string_vec.push(current_weather.extract_data("temperature", "Temperature"));
             }
 
-            if windspeed {
-                let windspeed = &current_weather["windspeed"];
-                if clean {
-                    final_string_vec.push(format!("{windspeed}"));
-                } else {
-                    final_string_vec.push(format!("Wind speed: {windspeed}"));
-                }
+            if windspeed || all {
+                string_vec.push(current_weather.extract_data("windspeed", "Wind speed"));
             }
 
-            if winddirection {
-                let winddirection = &current_weather["winddirection"];
-                if clean {
-                    final_string_vec.push(format!("{winddirection}"));
-                } else {
-                    final_string_vec.push(format!("Wind direction: {winddirection}"));
-                }
+            if winddirection || all {
+                string_vec.push(current_weather.extract_data("winddirection", "Wind direction"));
             }
 
             if clean {
-                let final_string = final_string_vec.join(",");
+                let final_string = string_vec.join(",");
                 println!("{final_string}");
             } else {
-                let final_string = final_string_vec.join("\n");
+                let final_string = string_vec.join("\n");
                 println!("{final_string}");
             }
         }
@@ -78,15 +72,5 @@ fn main() {
 fn extract_weather(latitude: f32, longitude: f32) -> Result<serde_json::Value, ureq::Error> {
     let url = format!("https://api.open-meteo.com/v1/forecast?latitude={latitude}&longitude={longitude}&current_weather=true");
     let body: serde_json::Value = ureq::get(&url).call()?.into_json()?;
-
-    // TODO: We can also add this data.
-    // let elevation = &body["elevation"];
-    // println!("[D] Elevation: {elevation}");
-    // let timezone = &body["timezone"];
-    // println!("[D] Timezone: {timezone}");
-
-    // let current_weather = &body["current_weather"];
-    // let time = &current_weather["time"];
-    // println!("[D] Time: {time}");
     Ok(body)
 }