ex3_canister_error/
common.rs

1use derive_more::Display;
2use ex3_common_error_info::ErrorInfo;
3use std::fmt;
4use thiserror::Error;
5
6use crate::{def_error_base_on_kind, ErrorCode, ErrorKind, SECOND_LEVEL_ERROR_CODE_INTERVAL};
7
8/// An error with no reason.
9#[derive(Error, Debug, Clone, Copy)]
10#[error("no reason is provided")]
11pub struct SilentError;
12
13/// An error with only a string as the reason.
14#[derive(Error, Debug, Clone)]
15#[error("{0}")]
16pub struct OtherError(String);
17
18#[derive(Debug, PartialEq, Eq, Clone, Copy, Display)]
19pub enum CommonErrorKind {
20    Pager,
21    Authorize,
22    /// Other system error
23    Other,
24}
25
26impl ErrorCode for CommonErrorKind {
27    fn error_code(&self) -> u32 {
28        let parent_code = ErrorKind::error_code(&ErrorKind::Common);
29        match self {
30            CommonErrorKind::Pager => parent_code + SECOND_LEVEL_ERROR_CODE_INTERVAL * 1,
31            CommonErrorKind::Authorize => parent_code + SECOND_LEVEL_ERROR_CODE_INTERVAL * 2,
32            CommonErrorKind::Other => parent_code + SECOND_LEVEL_ERROR_CODE_INTERVAL * 3,
33        }
34    }
35}
36
37def_error_base_on_kind!(CommonError, CommonErrorKind, "Common error.");
38
39impl OtherError {
40    /// Creates an error with only a string as the reason.
41    pub fn new<T>(reason: T) -> Self
42    where
43        T: fmt::Display,
44    {
45        Self(reason.to_string())
46    }
47}
48
49impl From<OtherError> for ErrorInfo {
50    fn from(value: OtherError) -> Self {
51        ErrorInfo {
52            code: CommonErrorKind::error_code(&CommonErrorKind::Other),
53            message: value.0,
54        }
55    }
56}
57
58impl From<OtherError> for CommonError {
59    fn from(error: OtherError) -> Self {
60        let error_info: ErrorInfo = error.into();
61        CommonErrorKind::Other.because(error_info)
62    }
63}
ex3_canister_error/common.rs

ex3_canister_error/
common.rs
