hashcards 0.3.0

A plain text-based spaced repetition system.
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

// Copyright 2025 Fernando Borretti
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::error::Error;
use std::fmt::Display;
use std::fmt::Formatter;
use std::path::StripPrefixError;
use std::string::FromUtf8Error;

use crate::parser::ParserError;

#[derive(Debug, PartialEq)]
pub struct ErrorReport {
    message: String,
}

impl ErrorReport {
    pub fn new(msg: impl Into<String>) -> Self {
        ErrorReport {
            message: msg.into(),
        }
    }
}

impl From<std::io::Error> for ErrorReport {
    fn from(value: std::io::Error) -> Self {
        ErrorReport {
            message: format!("I/O error: {value:#?}"),
        }
    }
}

impl From<StripPrefixError> for ErrorReport {
    fn from(value: StripPrefixError) -> Self {
        ErrorReport {
            message: format!("Strip prefix error: {value:#?}"),
        }
    }
}

impl From<walkdir::Error> for ErrorReport {
    fn from(value: walkdir::Error) -> Self {
        ErrorReport {
            message: format!("directory traversal error: {value:#?}"),
        }
    }
}

impl From<rusqlite::Error> for ErrorReport {
    fn from(value: rusqlite::Error) -> Self {
        ErrorReport {
            message: format!("rusqlite: {value:#?}"),
        }
    }
}

#[cfg(test)]
impl From<reqwest::Error> for ErrorReport {
    fn from(value: reqwest::Error) -> Self {
        ErrorReport {
            message: format!("reqwest: {value:#?}"),
        }
    }
}

impl From<FromUtf8Error> for ErrorReport {
    fn from(value: FromUtf8Error) -> Self {
        ErrorReport {
            message: format!("UTF-8 conversion error: {value:#?}"),
        }
    }
}

impl From<serde_json::Error> for ErrorReport {
    fn from(value: serde_json::Error) -> Self {
        ErrorReport {
            message: format!("JSON error: {value:#?}"),
        }
    }
}

impl From<ParserError> for ErrorReport {
    fn from(value: ParserError) -> Self {
        ErrorReport {
            message: format!("Parse error: {value}"),
        }
    }
}

impl Display for ErrorReport {
    fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
        write!(f, "error: {}", self.message)
    }
}

impl Error for ErrorReport {
    fn description(&self) -> &str {
        &self.message
    }
}

pub type Fallible<T> = Result<T, ErrorReport>;

pub fn fail<T>(msg: impl Into<String>) -> Fallible<T> {
    Err(ErrorReport {
        message: msg.into(),
    })
}