Added --debug-json option

src/main.rs

@@ -24,7 +24,12 @@ impl fmt::Display for TemperatureUnits {
 
 // Commandline parsing
 #[derive(Parser, Debug)]
-#[command(version, about, long_about = None)]
+#[command(name = "bar_weather")]
+#[command(version = "1.0")]
+#[command(about = "Gets weather info for the bar")]
+#[command(about, long_about = "Get weather information for the station indicated
+by the --station argument. Imperial units by default.
+Use --metirc to use metric units")]
 struct CommandlineArgs {
     /// Name of the weather station
     #[arg(short, long, default_value = "khio")]
@@ -33,8 +38,11 @@ struct CommandlineArgs {
     /// Use Metric units. Imperial units otherwise
     #[arg(short, long)]
     metric: bool,
-}
 
+    /// Show JSON data returned by query
+    #[arg(short, long)]
+    debug_json: bool,
+}
 
 //
 // Application options
@@ -43,6 +51,7 @@ struct CommandlineArgs {
 struct AppOptions {
     units: TemperatureUnits,
     station: String,
+    debug_json: bool,
 }
 
 //
@@ -76,8 +85,12 @@ impl BarWeather {
 
         curl.write_function(move |data| {
             // To debug returned JSON
-            // use std::io::{stdout, Write};
-            // stdout().write_all(data).unwrap();
+            if self.opts.debug_json {
+                use std::io::{stdout, Write};
+                println!("-----> Start of debug");
+                stdout().write_all(data).unwrap();
+                println!("-----> End of debug");
+            }
 
             let v: Value = serde_json::from_str(str::from_utf8(data).unwrap()).unwrap();
             let temperature_value :f32 = self.get_current_temperature(v);
@@ -86,7 +99,6 @@ impl BarWeather {
             println!("{:.2}{}", temperature_value, temperature_unit);
 
             Ok(data.len())
-
         }
         ).unwrap();
         curl.perform().unwrap();
@@ -127,6 +139,7 @@ fn main() {
             units: if cmd_args.metric { TemperatureUnits::Metric }
                                  else { TemperatureUnits::Imperial },
             station: cmd_args.station,
+            debug_json: cmd_args.debug_json
         },
     };