fix parser and code style

client/bin/src/main.rs

@@ -2,20 +2,20 @@
 use bit::BitIndex;
 use chrono_tz::Europe::Berlin;
 use chrono::{DateTime, NaiveDateTime, Utc, Timelike};
-use openweathermap::{forecast::{Weather, List}};
+use openweathermap::forecast::Weather;
 use substring::Substring;
 use tinybmp::Bmp;
 use core::time;
 use embedded_graphics::{
-    image::{Image},
+    image::Image,
     mono_font::{iso_8859_1::FONT_6X10, MonoTextStyle},
-    pixelcolor::{BinaryColor},
+    pixelcolor::BinaryColor,
     prelude::*,
-    primitives::{PrimitiveStyle},
+    primitives::PrimitiveStyle,
     text::Text,
 };
 
-use std::{net::UdpSocket, time::{Instant, Duration}};
+use std::net::UdpSocket;
 use std::{env, thread};
 
 use openweathermap::forecast::Forecast;
@@ -115,7 +115,7 @@ impl DrawTarget for UdpDisplay {
 }
 
 
-fn renderWeather(display: &mut UdpDisplay ,data: &Option<Result<Forecast, String>>){
+fn render_weather(display: &mut UdpDisplay ,data: &Option<Result<Forecast, String>>){
     let text_style = MonoTextStyle::new(&FONT_6X10, BinaryColor::On);
 
     match data {
@@ -140,7 +140,7 @@ fn renderWeather(display: &mut UdpDisplay ,data: &Option<Result<Forecast, String
                         let minute = europe_time.minute();
 
                         let cur_time = DateTime::<Utc>::default();
-                        if(zoned_time > cur_time){
+                        if zoned_time > cur_time {
                             println!("Skipping old result {hour}:{minute} @{time_s}");
                         }
 
@@ -164,7 +164,7 @@ fn renderWeather(display: &mut UdpDisplay ,data: &Option<Result<Forecast, String
                     
                     println!("Weather info: {} desc: {} icon {}", condition.main, condition.description, condition.icon);
 
-                    renderWeatherIcon(&condition, display);          
+                    render_weather_icon(&condition, display);          
                 }
             }
         },
@@ -178,7 +178,7 @@ fn renderWeather(display: &mut UdpDisplay ,data: &Option<Result<Forecast, String
 }
 
 
-fn renderWeatherIcon(condition: &Weather, display: &mut UdpDisplay ){
+fn render_weather_icon(condition: &Weather, display: &mut UdpDisplay ){
     let text_style = MonoTextStyle::new(&FONT_6X10, BinaryColor::On);
     let short_icon_code = condition.icon.substring(0,2);
     let icon_image: Result<Bmp<BinaryColor>, tinybmp::ParseError> = match short_icon_code {
@@ -235,7 +235,7 @@ fn send_package(ipaddress: String, data: &Option<Result<Forecast, String>>) {
    //     .into_styled(PRIMITIVE_STYLE)
    //     .draw(&mut display)
    //     .unwrap();
-    renderWeather(&mut display, data);                   
+    render_weather(&mut display, data);                   
 
 
 
@@ -278,7 +278,7 @@ fn main() {
             let mut last_data = Option::None;
             
             // Test Webcrawler for public transportataion
-            straba::fetchData();
+            straba::fetch_data();
 
             loop {
                 let delay = time::Duration::from_millis(10000);

client/bin/src/straba.rs

@@ -1,10 +1,10 @@
 /* @file straba.rs
  * @brief fetch next depature of light rail vehicle
  */
-use std::error::Error;
 use serde::Deserialize;
+use serde_json::Value;
 
-const stationURL:&str = "https://www.rnv-online.de/rest/departure/2494";
+const STATION_URL:&str = "https://www.rnv-online.de/rest/departure/2494";
 
 #[derive(Default, Debug, Clone, PartialEq, Deserialize)]
 #[serde(rename_all = "camelCase")]
@@ -20,9 +20,9 @@ pub struct Station {
 pub struct Line {
     pub id: i64,
     pub text: String,
-    pub iconOutlined: i64,
+    pub icon_outlined: i64,
-    pub iconColor: String,
+    pub icon_color: String,
-    pub iconTextColor: i64,
+    pub icon_text_color: i64,
 }
 
 #[derive(Default, Debug, Clone, PartialEq, Deserialize)]
@@ -30,10 +30,10 @@ pub struct Line {
 pub struct Journey {
     pub line: Line,
     pub destination: String,
-    pub barrierLevel: String,
+    pub barrier_level: String,
-    pub loadsForecastType: String,
+    pub loads_forecast_type: String,
-    pub realtimeDeparture: i64,
+    pub realtime_departure: i64,
-    pub scheduledDeparture: i64,
+    pub scheduled_departure: i64,
     pub difference: i64,
     pub canceled: bool,
 }
@@ -44,20 +44,28 @@ pub struct NextDeparture {
 }
 
 
-pub fn fetchData() -> Result<String, reqwest::Error> {
+pub fn fetch_data() -> Option<String> {
-    let result = reqwest::blocking::get(stationURL);
+    let result = reqwest::blocking::get(STATION_URL);
 
-    let response = match result {
+    if result.is_err() {
-        Ok(res) => res,
+        println!("Could not read station response {:?}", result.err());  
-        Err(err) => return reqwest::Error(err),
+        return Option::None;
-    };
+    }
+    let text = result.unwrap().text();
+    if text.is_err() {
+        println!("Could not convert response {:?}", text.err());  
+        return Option::None;
+    }
 
-    let body = serde_json::from_str(&text);
 
-    let json = match body {
+    let body: std::result::Result<Value, serde_json::Error> = serde_json::from_str(&text.unwrap());
-        Ok(json) => json,
+
-        Err(err) => return reqwest::Error(err),
+    if body.is_err() {
-    };
+        println!("Could not parse json {:?}", body.err());  
+        return Option::None;
+    }
+
+    let json = body.unwrap();
     let date = json["id"].to_string();
-    Ok(date)
+    Some(date)
 }

client/openweathermap/src/forecast.rs

@@ -1,4 +1,4 @@
-use serde::{Deserialize, __private::de};
+use serde::Deserialize;
 
 #[derive(Default, Debug, Clone, PartialEq, Deserialize)]
 #[serde(rename_all = "camelCase")]