pub mod bus;
pub mod client;
pub mod crowd;
pub mod facility;
pub mod geo;
pub mod taxi;
pub mod traffic;
pub mod train;
use crate::{Client, LTAError, LTAResult};
pub use client::LTAClient;
use reqwest::blocking;
pub mod prelude {
pub use crate::blocking::{
bus::BusRequests, crowd::CrowdRequests, facility::FacilityRequests, geo::GeoRequests,
taxi::TaxiRequests, traffic::TrafficRequests, train::TrainRequests,
};
}
pub(crate) fn build_req_with_skip<T, T2, C>(
client: &C,
url: &str,
skip: Option<u32>,
) -> LTAResult<T2>
where
C: Client<RB = blocking::RequestBuilder>,
for<'de> T: serde::Deserialize<'de> + Into<T2>,
{
let skip = skip.unwrap_or(0);
let rb = client.req_builder(url).query(&[("$skip", skip)]);
rb.send()
.map_err(LTAError::BackendError)
.and_then(handle_status_code)?
.json::<T>()
.map(Into::into)
.map_err(LTAError::BackendError)
}
pub(crate) fn build_req_with_query<T, T2, F, C>(client: &C, url: &str, query: F) -> LTAResult<T2>
where
F: FnOnce(blocking::RequestBuilder) -> blocking::RequestBuilder,
C: Client<RB = blocking::RequestBuilder>,
for<'de> T: serde::Deserialize<'de> + Into<T2>,
{
let rb = client.req_builder(url);
query(rb)
.send()
.map_err(LTAError::BackendError)
.and_then(handle_status_code)?
.json::<T>()
.map(Into::into)
.map_err(LTAError::BackendError)
}
fn handle_status_code(res: blocking::Response) -> LTAResult<blocking::Response> {
use reqwest::StatusCode;
let status_code = res.status();
if status_code.is_success() {
return Ok(res);
}
let body = res.text().map_err(|_| LTAError::FailedToParseBody)?;
if body.contains("exceeded") {
return Err(LTAError::RateLimitReached);
}
match status_code {
StatusCode::UNAUTHORIZED => Err(LTAError::Unauthorized),
StatusCode::NOT_FOUND => Err(LTAError::NotFound),
_ => Err(LTAError::UnhandledStatusCode(status_code, body)),
}
}
#[cfg(test)]
mod tests {
use crate::blocking::geo::GeoRequests;
use crate::blocking::prelude::*;
use crate::blocking::*;
use crate::prelude::*;
use crate::LTAResult;
use crate::{Client, Facility, Geo};
use lta_models::geo::geospatial_whole_island::GeospatialLayerId;
use lta_models::prelude::*;
use std::env;
use std::fs::File;
use std::io::prelude::*;
macro_rules! gen_test {
($f: expr) => {{
let client = get_client();
let data = $f(&client, None);
println!("{:?}", data);
Ok(())
}};
}
fn get_client() -> LTAClient {
let api_key = env::var("API_KEY").expect("API_KEY does not exist!");
let client = LTAClient::with_api_key(api_key).unwrap();
client
}
#[test]
fn get_bus_arrivals() -> LTAResult<()> {
let client = get_client();
let data = Bus::get_arrival(&client, 83139, None)?;
println!("{:?}", data);
Ok(())
}
#[test]
fn get_bus_arrivals_must_fail() {
let api_key = "FAKE_KEY";
let client = LTAClient::with_api_key(api_key).unwrap();
let data = Bus::get_arrival(&client, 83139, None);
if let Ok(_) = data {
panic!("Should not be Ok()")
}
}
#[test]
fn get_bus_services() -> LTAResult<()> {
gen_test!(Bus::get_bus_services)
}
#[test]
fn get_bus_routes() -> LTAResult<()> {
gen_test!(Bus::get_bus_routes)
}
#[test]
fn get_bus_stops() -> LTAResult<()> {
gen_test!(Bus::get_bus_stops)
}
#[ignore]
#[test]
fn get_passenger_vol() -> LTAResult<()> {
let client = get_client();
let data = Crowd::get_passenger_vol_by(&client, VolType::OdBusStop, None, None)?;
println!("{:?}", data);
Ok(())
}
#[test]
fn get_taxi_avail() -> LTAResult<()> {
gen_test!(Taxi::get_taxi_avail)
}
#[test]
fn get_taxi_stands() -> LTAResult<()> {
gen_test!(Taxi::get_taxi_stands)
}
#[test]
fn get_erp_rates() -> LTAResult<()> {
gen_test!(Traffic::get_erp_rates)
}
#[test]
fn get_cp_avail() -> LTAResult<()> {
gen_test!(Traffic::get_carpark_avail)
}
#[test]
fn get_est_travel_time() -> LTAResult<()> {
gen_test!(Traffic::get_est_travel_time)
}
#[test]
fn get_faulty_traffic_lights() -> LTAResult<()> {
gen_test!(Traffic::get_faulty_traffic_lights)
}
#[test]
fn get_road_details() -> LTAResult<()> {
let client = get_client();
let data = Traffic::get_road_details(&client, RoadDetailsType::RoadWorks, None)?;
println!("{:?}", data);
Ok(())
}
#[test]
fn get_traffic_images() -> LTAResult<()> {
gen_test!(Traffic::get_traffic_images)
}
#[test]
fn get_traffic_incidents() -> LTAResult<()> {
gen_test!(Traffic::get_traffic_incidents)
}
#[test]
fn get_traffic_speed_band() -> LTAResult<()> {
gen_test!(Traffic::get_traffic_speed_band)
}
#[test]
fn get_vms() -> LTAResult<()> {
gen_test!(Traffic::get_vms_emas)
}
#[test]
fn get_bike_parking() -> LTAResult<()> {
let client = get_client();
let data = Traffic::get_bike_parking(&client, 1.364897, 103.766094, 15.0)?;
println!("{:?}", data);
Ok(())
}
#[test]
fn get_crowd_density_rt() -> LTAResult<()> {
let client = get_client();
let data = Crowd::get_crowd_density_rt(&client, MrtLine::BPL)?;
println!("{:?}", data);
Ok(())
}
#[test]
fn get_crowd_density_forecast() -> LTAResult<()> {
let client = get_client();
let data = Crowd::get_crowd_density_forecast(&client, MrtLine::NSL);
match data {
Ok(d) => println!("{:?}", d),
Err(e) => match e {
LTAError::RateLimitReached => (),
_ => panic!("{:?}", e)
}
}
Ok(())
}
#[test]
fn get_train_service_alerts() -> LTAResult<()> {
let client = get_client();
let x = Train::get_train_service_alert(&client, None);
if let Err(e) = x {
return match e {
LTAError::RateLimitReached => Ok(()),
_ => Err(e)
}
}
Ok(())
}
#[test]
#[ignore]
#[rustfmt::skip]
fn dump_json() -> Result<(), Box<dyn std::error::Error>>{
use crate::models;
let api_key = env::var("API_KEY").expect("`API_KEY` not present as env var!");
let client = LTAClient::with_api_key(api_key).unwrap();
let urls_with_query = [
(lta_models::bus::bus_arrival::URL, &[("BusStopCode", "83139"), ("", ""), ("", "")], "bus_arrival.json"),
(lta_models::traffic::bike_parking::URL, &[("Lat", "1.364897"), ("Long", "103.766094"), ("Dist", "15.0")], "bike_parking.json"),
];
let urls = [
(models::bus::bus_routes::URL, "bus_route.json"),
(models::bus::bus_services::URL, "bus_services.json"),
(models::bus::bus_stops::URL, "bus_stops.json"),
(models::taxi::taxi_avail::URL, "taxi_avail.json"),
(models::traffic::carpark_avail::URL, "carpark_avail.json"),
(models::traffic::erp_rates::URL, "erp_rates.json"),
(models::traffic::est_travel_time::URL, "est_travel_time.json"),
(models::traffic::faulty_traffic_lights::URL, "faulty_traffic_lights.json"),
(models::train::train_service_alert::URL, "train_service_alert.json"),
(models::crowd::passenger_vol::URL_BY_BUS_STOPS, "passenger_vol_bus_stops.json"),
(models::crowd::passenger_vol::URL_BY_OD_BUS_STOPS, "passenger_vol_od_bus_stops.json"),
(models::crowd::passenger_vol::URL_BY_OD_TRAIN, "passenger_vol_od_train.json"),
(models::crowd::passenger_vol::URL_BY_TRAIN, "passenger_vol_train.json"),
(models::taxi::taxi_stands::URL, "taxi_stands.json")
];
let mut results: Vec<(String, &str)> = Vec::with_capacity(15);
for url in urls.iter() {
let rb = client.req_builder(url.0);
let data = rb
.send()
.map(|res| res.text().unwrap())?;
println!("{}", &data);
results.push((data, url.1))
}
for url in urls_with_query.iter() {
let rb = client.req_builder(url.0);
let data = rb
.query(url.1)
.send()
.map(|res| res.text().unwrap())?;
println!("{}", &data);
results.push((data, url.2))
}
results.into_iter().for_each(|f| {
let mut file = File::create(format!("./dumped_data/{}", f.1)).unwrap();
file.write_all(f.0.as_bytes()).unwrap();
});
Ok(())
}
#[test]
fn get_geospatial_whole_island() -> LTAResult<()> {
let client = get_client();
let data = Geo::get_geospatial_whole_island(&client, GeospatialLayerId::ArrowMarking)?;
println!("{:?}", data);
Ok(())
}
#[test]
fn get_facility_maintenance() -> LTAResult<()> {
let client = get_client();
let data = Facility::get_facilities_maintenance(&client, StationCode::BP1)?;
println!("{:?}", data);
Ok(())
}
}