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nil_server/
error.rs

1// Copyright (C) Call of Nil contributors
2// SPDX-License-Identifier: AGPL-3.0-only
3
4use nil_core::world::config::WorldId;
5use serde::Serialize;
6use serde::ser::Serializer;
7use std::convert::Infallible;
8use std::io;
9use std::result::Result as StdResult;
10use tokio::task::JoinError;
11
12pub use nil_core::error::Error as CoreError;
13pub use nil_server_database::error::Error as DatabaseError;
14
15pub type Result<T, E = Error> = StdResult<T, E>;
16pub type AnyResult<T> = anyhow::Result<T>;
17
18#[derive(Debug, thiserror::Error)]
19pub enum Error {
20  #[error("Incorrect username or password")]
21  IncorrectUserCredentials,
22
23  #[error("Incorrect world password")]
24  IncorrectWorldCredentials(WorldId),
25
26  #[error("Expected at most {max} characters, got {current}")]
27  MaxCharactersExceeded { max: usize, current: usize },
28
29  #[error("Missing password")]
30  MissingPassword,
31
32  #[error("World limit reached")]
33  WorldLimitReached,
34
35  #[error("World not found")]
36  WorldNotFound(WorldId),
37
38  #[error(transparent)]
39  Core(#[from] CoreError),
40  #[error(transparent)]
41  Database(#[from] DatabaseError),
42  #[error(transparent)]
43  Io(#[from] io::Error),
44  #[error(transparent)]
45  Unknown(#[from] anyhow::Error),
46}
47
48impl Serialize for Error {
49  fn serialize<S>(&self, serializer: S) -> StdResult<S::Ok, S::Error>
50  where
51    S: Serializer,
52  {
53    serializer.serialize_str(self.to_string().as_str())
54  }
55}
56
57impl<E> From<Result<Infallible, E>> for Error
58where
59  E: Into<Error>,
60{
61  fn from(value: Result<Infallible, E>) -> Self {
62    value.unwrap_err().into()
63  }
64}
65
66impl From<io::ErrorKind> for Error {
67  fn from(value: io::ErrorKind) -> Self {
68    Self::Io(io::Error::from(value))
69  }
70}
71
72impl From<JoinError> for Error {
73  fn from(err: JoinError) -> Self {
74    Self::Io(io::Error::from(err))
75  }
76}