use std::fmt;
use std::str::FromStr;
use uuid::Uuid;
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct LfdId(String);
#[derive(Debug, thiserror::Error)]
#[error("invalid id: {0}")]
pub struct IdError(String);
impl LfdId {
pub fn new() -> Self {
Self(Uuid::new_v4().to_string())
}
pub fn parse(value: &str) -> Result<Self, IdError> {
Uuid::parse_str(value).map_err(|err| IdError(err.to_string()))?;
Ok(Self(value.to_string()))
}
pub fn as_str(&self) -> &str {
&self.0
}
pub(crate) fn from_raw(value: impl Into<String>) -> Self {
Self(value.into())
}
}
impl Default for LfdId {
fn default() -> Self {
Self::new()
}
}
impl fmt::Display for LfdId {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.0)
}
}
impl FromStr for LfdId {
type Err = IdError;
fn from_str(value: &str) -> Result<Self, Self::Err> {
Self::parse(value)
}
}
impl From<LfdId> for String {
fn from(id: LfdId) -> String {
id.0
}
}
impl serde::Serialize for LfdId {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
serializer.serialize_str(&self.0)
}
}
impl<'de> serde::Deserialize<'de> for LfdId {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
let value = String::deserialize(deserializer)?;
value.parse().map_err(serde::de::Error::custom)
}
}
impl rusqlite::ToSql for LfdId {
fn to_sql(&self) -> rusqlite::Result<rusqlite::types::ToSqlOutput<'_>> {
Ok(rusqlite::types::ToSqlOutput::from(self.0.as_str()))
}
}
impl rusqlite::types::FromSql for LfdId {
fn column_result(value: rusqlite::types::ValueRef<'_>) -> rusqlite::types::FromSqlResult<Self> {
let s = value.as_str()?;
s.parse()
.map_err(|err| rusqlite::types::FromSqlError::Other(Box::new(err)))
}
}