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