use serde_with::{DeserializeFromStr, SerializeDisplay};
use struct_metadata::Described;
#[cfg(feature = "rand")]
use rand::RngExt;
use crate::{ElasticMeta, ModelError};
#[derive(SerializeDisplay, DeserializeFromStr, Debug, Described, Hash, PartialEq, Eq, Clone, Copy)]
#[metadata_type(ElasticMeta)]
#[metadata(mapping="keyword")]
pub struct Sid(u128);
impl std::fmt::Display for Sid {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str(&base62::encode(self.0))
}
}
impl std::str::FromStr for Sid {
type Err = ModelError;
fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
Ok(Sid(base62::decode(s)?))
}
}
impl Sid {
pub fn assign(&self, bins: usize) -> usize {
(self.0 % bins as u128) as usize
}
}
#[cfg(feature = "rand")]
impl rand::distr::Distribution<Sid> for rand::distr::StandardUniform {
fn sample<R: rand::prelude::Rng + ?Sized>(&self, rng: &mut R) -> Sid {
Sid(rng.random())
}
}
#[derive(SerializeDisplay, DeserializeFromStr, Debug, Hash, PartialEq, Eq, Clone, Copy)]
pub struct Uuid(uuid::Uuid);
impl Described<ElasticMeta> for Uuid {
fn metadata() -> struct_metadata::Descriptor<ElasticMeta> {
struct_metadata::Descriptor {
docs: None,
metadata: ElasticMeta { mapping: Some("keyword"), ..Default::default() },
kind: struct_metadata::Kind::String,
}
}
}
impl std::fmt::Display for Uuid {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str(&self.0.to_string())
}
}
impl std::str::FromStr for Uuid {
type Err = uuid::Error;
fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
Ok(Uuid(s.parse()?))
}
}