made_core/value_objects/budget/
currency_code.rs

1use crate::DomainError;
2use serde::{Deserialize, Deserializer, Serialize};
3
4#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
5#[serde(transparent)]
6pub struct CurrencyCode(String);
7impl CurrencyCode {
8    pub fn new(value: impl Into<String>) -> Result<Self, DomainError> {
9        let value = value.into();
10        if value.len() != 3 || !value.bytes().all(|byte| byte.is_ascii_uppercase()) {
11            return Err(DomainError::InvalidCharacters {
12                field: "currency_code",
13            });
14        }
15        Ok(Self(value))
16    }
17    #[must_use]
18    pub fn as_str(&self) -> &str {
19        &self.0
20    }
21}
22impl<'de> Deserialize<'de> for CurrencyCode {
23    fn deserialize<D: Deserializer<'de>>(d: D) -> Result<Self, D::Error> {
24        Self::new(String::deserialize(d)?).map_err(serde::de::Error::custom)
25    }
26}

made_core/value_objects/budget/currency_code.rs

made_core/value_objects/budget/
currency_code.rs