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made_core/value_objects/ceremony/
guard_name.rs

1use std::fmt;
2
3use serde::{Deserialize, Serialize};
4
5use crate::error::DomainError;
6
7#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
8#[serde(transparent)]
9pub struct GuardName(String);
10
11impl GuardName {
12    pub fn new(raw: impl Into<String>) -> Result<Self, DomainError> {
13        let value = raw.into();
14        let trimmed = value.trim();
15        if trimmed.is_empty() {
16            return Err(DomainError::EmptyField {
17                field: "guard_name",
18            });
19        }
20        if trimmed
21            .chars()
22            .any(|ch| !(ch.is_ascii_lowercase() || ch.is_ascii_digit() || ch == '_'))
23        {
24            return Err(DomainError::InvalidCharacters {
25                field: "guard_name",
26            });
27        }
28        Ok(Self(trimmed.to_owned()))
29    }
30
31    #[must_use]
32    pub fn as_str(&self) -> &str {
33        &self.0
34    }
35}
36
37impl fmt::Display for GuardName {
38    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
39        f.write_str(&self.0)
40    }
41}