MeiliSearch/milli/src/facet/facet_value.rs
2021-06-16 18:33:33 +02:00

57 lines
1.5 KiB
Rust

use ordered_float::OrderedFloat;
use serde::{Serialize, Serializer};
#[derive(Debug, Clone, PartialOrd, Ord, PartialEq, Eq, Hash)]
pub enum FacetValue {
String(String),
Number(OrderedFloat<f64>),
}
impl From<String> for FacetValue {
fn from(string: String) -> FacetValue {
FacetValue::String(string)
}
}
impl From<&str> for FacetValue {
fn from(string: &str) -> FacetValue {
FacetValue::String(string.to_owned())
}
}
impl From<f64> for FacetValue {
fn from(float: f64) -> FacetValue {
FacetValue::Number(OrderedFloat(float))
}
}
impl From<OrderedFloat<f64>> for FacetValue {
fn from(float: OrderedFloat<f64>) -> FacetValue {
FacetValue::Number(float)
}
}
impl From<i64> for FacetValue {
fn from(integer: i64) -> FacetValue {
FacetValue::Number(OrderedFloat(integer as f64))
}
}
/// We implement Serialize ourselves because we need to always serialize it as a string,
/// JSON object keys must be strings not numbers.
// TODO remove this impl and convert them into string, by hand, when required.
impl Serialize for FacetValue {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
match self {
FacetValue::String(string) => serializer.serialize_str(string),
FacetValue::Number(number) => {
let string = number.to_string();
serializer.serialize_str(&string)
}
}
}
}