use fehler::throw;
use serde::{
de::{Error, Unexpected},
Deserialize, Deserializer, Serialize, Serializer,
};
#[derive(Deserialize, Serialize, Debug, Clone)]
pub struct QuoteData {
pub best_ask_amount: f64,
pub best_ask_price: f64,
pub best_bid_amount: f64,
pub best_bid_price: f64,
pub instrument_name: String,
pub timestamp: u64,
}
#[derive(Debug, Clone)]
pub struct QuoteChannel(String);
impl<'de> Deserialize<'de> for QuoteChannel {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let s = <&str as Deserialize<'de>>::deserialize(deserializer)?;
let segments: Vec<_> = s.split(".").collect();
match segments.as_slice() {
["quote", instrument_name] => Ok(QuoteChannel(instrument_name.to_string())),
_ => throw!(D::Error::invalid_value(
Unexpected::Str(s),
&"quote.{instrument_name}"
)),
}
}
}
impl Serialize for QuoteChannel {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_str(&self.to_string())
}
}
impl std::fmt::Display for QuoteChannel {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "quote.{}", self.0)
}
}