Fixed issue when Amtrak changed schema

Zip is now a u32. Train number is now a String. I don't know why, I am
just following whatever they do on the backend.

src/client.rs

@@ -224,8 +224,11 @@ impl Client {
     /// [`TrainResponse`]: responses::TrainResponse
     /// [`train_id`]: responses::Train::train_id
     /// [`train_num`]: responses::Train::train_num
-    pub async fn train(&self, train_identifier: &str) -> Result<responses::TrainResponse> {
-        let url = format!("{}/trains/{}", self.base_url, train_identifier);
+    pub async fn train<S: AsRef<str>>(
+        &self,
+        train_identifier: S,
+    ) -> Result<responses::TrainResponse> {
+        let url = format!("{}/trains/{}", self.base_url, train_identifier.as_ref());
 
         let response = reqwest::Client::new()
             .get(url)
@@ -320,8 +323,11 @@ impl Client {
     ///
     /// [`StationResponse`]: responses::StationResponse
     /// [`code`]: responses::TrainStation::code
-    pub async fn station(&self, station_code: &str) -> Result<responses::StationResponse> {
-        let url = format!("{}/stations/{}", self.base_url, station_code);
+    pub async fn station<S: AsRef<str>>(
+        &self,
+        station_code: S,
+    ) -> Result<responses::StationResponse> {
+        let url = format!("{}/stations/{}", self.base_url, station_code.as_ref());
 
         let response = reqwest::Client::new()
             .get(url)

src/responses.rs

@@ -75,7 +75,7 @@ pub struct Train {
 
     /// The (possible unique) number identifying the train.
     #[serde(rename = "trainNum")]
-    pub train_num: u32,
+    pub train_num: String,
 
     /// The concatenation of the [`train_num`] with another number (not sure
     /// what exactly) in the format "{:train_num}-{:instance}".
@@ -511,7 +511,7 @@ pub struct Station {
     /// # Examples:
     /// * `19104`
     /// * `10001`
-    pub zip: String,
+    pub zip: u32,
 
     /// A list of current [`train_id`] that have departed from or are enroute to
     /// this station.

tests/station.rs

@@ -19,7 +19,7 @@ async fn test_single_station() -> Result<(), amtrak_api::errors::Error> {
         "address2": " ",
         "city": "Aberdeen",
         "state": "MD",
-        "zip": "21001",
+        "zip": 21001,
         "trains": []
     }
 }"#,
@@ -41,7 +41,7 @@ async fn test_single_station() -> Result<(), amtrak_api::errors::Error> {
     assert_eq!(station.address2, " ");
     assert_eq!(station.city, "Aberdeen");
     assert_eq!(station.state, "MD");
-    assert_eq!(station.zip, "21001");
+    assert_eq!(station.zip, 21001);
     assert_eq!(station.trains.len(), 0);
 
     mock_server.assert_async().await;

tests/train.rs

@@ -13,7 +13,7 @@ async fn test_single_train() -> Result<(), amtrak_api::errors::Error> {
     "657": [
         {
             "routeName": "Keystone",
-            "trainNum": 657,
+            "trainNum": "657",
             "trainID": "657-30",
             "lat": 40.14815944794739,
             "lon": -76.61796031144218,
@@ -274,7 +274,7 @@ async fn test_single_train() -> Result<(), amtrak_api::errors::Error> {
     let train = trains.get(0).unwrap();
 
     assert_eq!(train.route_name, "Keystone");
-    assert_eq!(train.train_num, 657);
+    assert_eq!(train.train_num, "657");
     assert_eq!(train.lat, 40.14815944794739);
     assert_eq!(train.lon, -76.61796031144218);
     assert_eq!(train.train_timely, "NaN Minutes Early");