1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
use core::fmt;
use serde::Deserialize;
pub type MLE<T> = Result<T, MLError>;
#[derive(Debug, Deserialize)]
pub struct MLError {
etype: ErrorType,
message: String,
}
#[derive(Debug, Deserialize)]
pub enum ErrorType {
ArgumentError,
ArgumentCountError,
ConfigError,
DBError,
LibToml,
LibSql,
LibReq,
IoError,
Other,
}
impl std::error::Error for MLError {
fn description(&self) -> &str {
&self.message
}
}
impl fmt::Display for MLError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.etype {
ErrorType::ArgumentError => write!(f, "Wrong argument"),
ErrorType::ArgumentCountError => write!(f, "Too many/too few arguments"),
ErrorType::ConfigError => write!(f, "CONFIG"),
ErrorType::DBError => write!(f, "DATABASE"),
ErrorType::LibToml => write!(f, "TOML"),
ErrorType::LibSql => write!(f, "SQL"),
ErrorType::LibReq => write!(f, "REQWEST"),
ErrorType::IoError => write!(f, "IO"),
ErrorType::Other => write!(f, "OTHER")
}
}
}
impl From<reqwest::Error> for MLError {
fn from(error: reqwest::Error) -> Self {
Self { etype: ErrorType::LibReq, message: error.to_string() }
}
}
impl From<toml::de::Error> for MLError {
fn from(error: toml::de::Error) -> Self {
Self { etype: ErrorType::LibToml, message: error.to_string() }
}
}
impl From<rusqlite::Error> for MLError {
fn from(error: rusqlite::Error) -> Self {
Self { etype: ErrorType::LibSql, message: error.to_string() }
}
}
impl From<toml::ser::Error> for MLError {
fn from(error: toml::ser::Error) -> Self {
Self { etype: ErrorType::LibToml, message: error.to_string() }
}
}
impl From<std::io::Error> for MLError {
fn from(error: std::io::Error) -> Self {
Self { etype: ErrorType::IoError, message: error.to_string() }
}
}
impl MLError {
pub fn new(etype: ErrorType, message: &str) -> Self {
Self { etype, message: String::from(message) }
}
}
|
