JSON can be parsed

client/bin/src/main.rs

@@ -278,7 +278,8 @@ fn main() {
             let mut last_data = Option::None;
             
             // Test Webcrawler for public transportataion
-            straba::fetch_data();
+            let name = straba::fetch_data();
+            println!("Name: {:?}", name); 
 
             loop {
                 let delay = time::Duration::from_millis(10000);

client/bin/src/straba.rs

@@ -1,24 +1,24 @@
 /* @file straba.rs
  * @brief fetch next depature of light rail vehicle
  */
-use serde::Deserialize;
 use serde_json::Value;
+use serde::Deserialize;
 
 const STATION_URL:&str = "https://www.rnv-online.de/rest/departure/2494";
 
+/* ******************** JSON Description ****************************** */
 #[derive(Default, Debug, Clone, PartialEq, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Station {
-    pub id: i64,
+    pub id: String,
     pub name: String,
-    pub lines: Vec<Line>,
     pub journeys: Vec<Journey>,
 }
 
 #[derive(Default, Debug, Clone, PartialEq, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Line {
-    pub id: i64,
+    pub id: String,
     pub text: String,
     pub icon_outlined: i64,
     pub icon_color: String,
@@ -32,20 +32,21 @@ pub struct Journey {
     pub destination: String,
     pub barrier_level: String,
     pub loads_forecast_type: String,
-    pub realtime_departure: i64,
+    pub realtime_departure: Option<i64>,
     pub scheduled_departure: i64,
-    pub difference: i64,
+    pub difference: Option<i64>,
     pub canceled: bool,
 }
 
+// Return value
 pub struct NextDeparture {
     pub rheinau: i64,
     pub schoenau: i64,
 }
 
-
 pub fn fetch_data() -> Option<String> {
     let result = reqwest::blocking::get(STATION_URL);
+    println!("Start Straba Crawler");
 
     if result.is_err() {
         println!("Could not read station response {:?}", result.err());  
@@ -53,12 +54,12 @@ pub fn fetch_data() -> Option<String> {
     }
     let text = result.unwrap().text();
     if text.is_err() {
-        println!("Could not convert response {:?}", text.err());  
+        println!("Could not convert response {:?}", text.err());
         return Option::None;
     }
 
 
-    let body: std::result::Result<Value, serde_json::Error> = serde_json::from_str(&text.unwrap());
+    let body: std::result::Result<Station, serde_json::Error> = serde_json::from_str(&text.unwrap());
 
     if body.is_err() {
         println!("Could not parse json {:?}", body.err());  
@@ -66,6 +67,6 @@ pub fn fetch_data() -> Option<String> {
     }
 
     let json = body.unwrap();
-    let date = json["id"].to_string();
-    Some(date)
+    let tmp = (json.journeys[0].destination).to_string();
+    Some(tmp)
 }