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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
use derive_more::*;
use std::borrow::Cow;
#[derive(Debug, Display)]
pub enum OpenProtocolError<'a> {
#[display(fmt = "field {} cannot be empty or all whitespace", _0)]
EmptyField(&'a str),
#[display(fmt = "value [{}] is invalid for the field {} - {}", value, field, description)]
InvalidField { field: &'a str, value: Cow<'a, str>, description: Cow<'a, str> },
#[display(fmt = "value of field {} is not the same as the matching field in the state", _0)]
InconsistentState(&'a str),
#[display(
fmt = "value of field {} is not the same as the matching field in the Controller",
_0
)]
InconsistentField(&'a str),
#[display(fmt = "{}", _0)]
ConstraintViolated(Cow<'a, str>),
#[display(fmt = "[{:?}] {}", "_0.classify()", _0)]
JsonError(serde_json::Error),
#[display(fmt = "{}", _0)]
SystemError(Cow<'a, str>),
}
impl std::error::Error for OpenProtocolError<'_> {
fn description(&self) -> &str {
match self {
Self::JsonError(err) => err.description(),
Self::InvalidField { description, .. } => {
if description.is_empty() {
"invalid field value"
} else {
description
}
}
Self::ConstraintViolated(err) => err,
Self::SystemError(err) => err,
Self::InconsistentField(_) => {
"value of field is not the same as matching field in the Controller"
}
Self::InconsistentState(_) => {
"value of field is not the same as matching field in the state"
}
Self::EmptyField(_) => "field cannot be empty or all whitespace",
}
}
fn cause(&self) -> Option<&dyn std::error::Error> {
match self {
Self::JsonError(err) => Some(err),
_ => None,
}
}
}
impl PartialEq for OpenProtocolError<'_> {
fn eq(&self, other: &Self) -> bool {
match (self, other) {
(Self::JsonError(err1), Self::JsonError(err2)) => {
format!("{:?}", err1) == format!("{:?}", err2)
}
(Self::EmptyField(err1), Self::EmptyField(err2)) => err1 == err2,
(
Self::InvalidField { field: field1, value: value1, description: err1 },
Self::InvalidField { field: field2, value: value2, description: err2 },
) => field1 == field2 && value1 == value2 && err1 == err2,
(Self::InconsistentState(err1), Self::InconsistentState(err2)) => err1 == err2,
(Self::InconsistentField(err1), Self::InconsistentField(err2)) => err1 == err2,
(Self::ConstraintViolated(err1), Self::ConstraintViolated(err2)) => err1 == err2,
_ => false,
}
}
}
impl Eq for OpenProtocolError<'_> {}
impl std::convert::From<OpenProtocolError<'_>> for String {
fn from(error: OpenProtocolError<'_>) -> Self {
error.to_string()
}
}