dent8_core/
ids.rs

1use std::fmt;
2
3use serde::{Deserialize, Serialize};
4
5#[derive(Clone, Debug, Eq, PartialEq)]
6pub struct IdError {
7    kind: &'static str,
8}
9
10impl IdError {
11    const fn empty(kind: &'static str) -> Self {
12        Self { kind }
13    }
14}
15
16impl fmt::Display for IdError {
17    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
18        write!(f, "{} cannot be empty", self.kind)
19    }
20}
21
22impl std::error::Error for IdError {}
23
24macro_rules! id_type {
25    ($name:ident) => {
26        #[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Serialize, Deserialize)]
27        pub struct $name(String);
28
29        impl $name {
30            pub fn new(value: impl Into<String>) -> Result<Self, IdError> {
31                let value = value.into();
32                if value.trim().is_empty() {
33                    return Err(IdError::empty(stringify!($name)));
34                }
35                Ok(Self(value))
36            }
37
38            #[must_use]
39            pub fn as_str(&self) -> &str {
40                &self.0
41            }
42        }
43
44        impl fmt::Display for $name {
45            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
46                f.write_str(&self.0)
47            }
48        }
49    };
50}
51
52id_type!(ActorId);
53id_type!(FactEventId);
54id_type!(FactId);
55id_type!(EvidenceId);
56id_type!(SourceId);
57
58#[derive(Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Serialize, Deserialize)]
59pub struct TimestampMillis(i64);
60
61impl TimestampMillis {
62    #[must_use]
63    pub const fn from_unix_millis(value: i64) -> Self {
64        Self(value)
65    }
66
67    #[must_use]
68    pub const fn as_unix_millis(self) -> i64 {
69        self.0
70    }
71}
dent8_core/ids.rs

dent8_core/
ids.rs
