First commit, CLI to request the current weather from Open Meteo

src/main.rs

@@ -0,0 +1,92 @@
+mod cli;
+
+use cli::Options;
+use structopt::StructOpt;
+
+fn main() {
+    let opts = Options::from_args();
+    match opts {
+        Options::CurrentWeather {
+            latitude,
+            longitude,
+            is_day,
+            temperature,
+            windspeed,
+            winddirection,
+            clean,
+        } => {
+            let result = extract_weather(latitude, longitude);
+            let weather = result.expect("Error requesting weather");
+
+            let mut final_string_vec: Vec<String> = Vec::new();
+
+            if !clean {
+                final_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}"));
+                }
+            }
+
+            if temperature {
+                let temperature = &current_weather["temperature"];
+                if clean {
+                    final_string_vec.push(format!("{temperature}"));
+                } else {
+                    final_string_vec.push(format!("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 winddirection {
+                let winddirection = &current_weather["winddirection"];
+                if clean {
+                    final_string_vec.push(format!("{winddirection}"));
+                } else {
+                    final_string_vec.push(format!("Wind direction: {winddirection}"));
+                }
+            }
+
+            if clean {
+                let final_string = final_string_vec.join(",");
+                println!("{final_string}");
+            } else {
+                let final_string = final_string_vec.join("\n");
+                println!("{final_string}");
+            }
+        }
+    }
+}
+
+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)
+}