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use serde::{Deserialize, Serialize};
use std::{
cmp::Ordering,
fmt,
hash::{Hash, Hasher},
marker::PhantomData,
str::FromStr,
};
use uuid::Uuid;
#[derive(Clone, Serialize, Deserialize)]
#[repr(C)]
pub struct ID<T> {
id: Uuid,
#[serde(skip_serializing, skip_deserializing)]
_phantom: PhantomData<T>,
}
impl<T> ID<T> {
#[inline]
pub fn new() -> Self {
Self::default()
}
#[inline]
pub fn from_bytes(bytes: [u8; 16]) -> Self {
Self {
id: Uuid::from_bytes(bytes),
_phantom: PhantomData,
}
}
#[inline]
pub fn uuid(&self) -> Uuid {
self.id
}
}
impl<T> Default for ID<T> {
#[inline]
fn default() -> Self {
Self {
id: Uuid::new_v4(),
_phantom: PhantomData,
}
}
}
impl<T> fmt::Debug for ID<T> {
#[inline]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.to_string())
}
}
impl<T> ToString for ID<T> {
#[inline]
fn to_string(&self) -> String {
format!("{}", self.id)
}
}
impl<T> FromStr for ID<T> {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match Uuid::parse_str(s) {
Ok(uuid) => Ok(Self {
id: uuid,
_phantom: PhantomData,
}),
Err(_) => Err(s.to_owned()),
}
}
}
impl<T> Hash for ID<T> {
#[inline]
fn hash<H>(&self, state: &mut H)
where
H: Hasher,
{
self.id.hash(state)
}
}
impl<T> PartialEq for ID<T> {
#[inline]
fn eq(&self, other: &Self) -> bool {
self.id == other.id
}
}
impl<T> Eq for ID<T> {}
impl<T> Copy for ID<T> where T: Clone {}
impl<T> PartialOrd for ID<T> {
#[inline]
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.id.cmp(&other.id))
}
}
impl<T> Ord for ID<T> {
#[inline]
fn cmp(&self, other: &Self) -> Ordering {
self.id.cmp(&other.id)
}
}