1use std::fmt::Display;
2
3use serde::{Serialize, Serializer};
4
5#[derive(Debug)]
6pub enum Error {
7 Request(reqwest::Error),
8 Parse(String),
9 InvalidStop,
10 NoBuses,
11 ServerError,
12}
13
14impl PartialEq for Error {
15 fn eq(&self, other: &Self) -> bool {
16 match (self, other) {
17 (Error::Request(req), Error::Request(other_req)) => req.to_string() == other_req.to_string(),
18 (Error::Request(_), _) => false,
19 (_, Error::Request(_)) => false,
20 (Error::Parse(s1), Error::Parse(s2)) => s1 == s2,
21 (Error::NoBuses, Error::NoBuses) => true,
22 (Error::InvalidStop, Error::InvalidStop) => true,
23 (Error::ServerError, Error::ServerError) => true,
24 _ => false
25 }
26 }
27}
28
29impl Serialize for Error {
30 fn serialize<S>(&self, serializer: S) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
31 S: Serializer {
32 match self {
33 Error::Request(req) => serializer.serialize_str(&req.to_string()),
34 Error::Parse(string) => serializer.serialize_str(string),
35 Error::NoBuses => serializer.serialize_str("NO_BUSES_FOUND"),
36 Error::InvalidStop => serializer.serialize_str("INVALID_STOP_CODE"),
37 Error::ServerError => serializer.serialize_str("SERVER_ERROR"),
38 }
39 }
40}
41
42impl From<String> for Error {
43 fn from(error: String) -> Self {
44 Error::Parse(error)
45 }
46}
47
48impl From<reqwest::Error> for Error {
49 fn from(error: reqwest::Error) -> Self {
50 Error::Request(error)
51 }
52}
53
54impl Display for Error {
55 fn fmt(&self, f: &mut ::std::fmt::Formatter) -> Result<(), ::std::fmt::Error> {
56 match *self {
57 Error::Request(ref inner) => ::std::fmt::Display::fmt(inner, f),
58 Error::Parse(ref inner) => ::std::fmt::Display::fmt(inner, f),
59 Error::NoBuses => ::std::fmt::Display::fmt("NoBuses", f),
60 Error::InvalidStop => ::std::fmt::Display::fmt("InvalidStop", f),
61 Error::ServerError => ::std::fmt::Display::fmt("ServerError", f),
62 }
63 }
64}
65
66impl std::error::Error for Error {}