1use crate::types::RegionalRailStop;
2
3pub trait Request {
4 fn into_params(self) -> Vec<(&'static str, String)>;
5}
6
7#[derive(Debug)]
8pub enum Direction {
9 North,
10 South,
11}
12
13impl std::fmt::Display for Direction {
14 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
15 match *self {
16 Self::North => write!(f, "N"),
17 Self::South => write!(f, "S"),
18 }
19 }
20}
21
22pub struct ArrivalsRequest {
23 pub station: RegionalRailStop,
24 pub results: Option<u8>,
25 pub direction: Option<Direction>,
26}
27
28impl Request for ArrivalsRequest {
29 fn into_params(self) -> Vec<(&'static str, String)> {
30 let mut params = Vec::new();
31
32 params.push(("station", self.station.to_string()));
33
34 if let Some(direction) = self.direction {
35 params.push(("direction", direction.to_string()));
36 }
37
38 if let Some(results) = self.results {
39 params.push(("results", results.to_string()));
40 }
41
42 params
43 }
44}
45
46pub struct NextToArriveRequest {
47 pub starting_station: RegionalRailStop,
48 pub ending_station: RegionalRailStop,
49 pub results: Option<u8>,
50}
51
52impl Request for NextToArriveRequest {
53 fn into_params(self) -> Vec<(&'static str, String)> {
54 let mut params = Vec::new();
55
56 params.push(("req1", self.starting_station.to_string()));
57 params.push(("req2", self.ending_station.to_string()));
58
59 if let Some(results) = self.results {
60 params.push(("req3", results.to_string()));
61 }
62
63 params
64 }
65}
66
67pub struct RailScheduleRequest {
68 pub train_number: String,
69}
70
71impl Request for RailScheduleRequest {
72 fn into_params(self) -> Vec<(&'static str, String)> {
73 vec![("req1", self.train_number)]
74 }
75}