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pub type Result<T> = std::result::Result<T, crate::errors::OpenLimitsError>;
pub mod string_to_decimal {
use std::fmt;
use rust_decimal::prelude::*;
use serde::{de, Deserialize, Deserializer, Serializer};
pub fn serialize<T, S>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
where
T: fmt::Display,
S: Serializer,
{
serializer.collect_str(value)
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<Decimal, D::Error>
where
D: Deserializer<'de>,
{
#[derive(Deserialize)]
#[serde(untagged)]
enum StringToDecimal {
String(String),
}
let StringToDecimal::String(s) = StringToDecimal::deserialize(deserializer)?;
Decimal::from_str(&s).map_err(de::Error::custom)
}
}
pub mod string_to_opt_decimal {
use rust_decimal::prelude::*;
use serde::{Deserialize, Deserializer, Serializer};
pub fn serialize<S>(value: &Option<Decimal>, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
if let Some(value) = value {
return serializer.collect_str(&value);
}
serializer.serialize_none()
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<Decimal>, D::Error>
where
D: Deserializer<'de>,
{
#[derive(Deserialize)]
#[serde(untagged)]
enum StringToOptDecimal {
String(Option<String>),
}
let StringToOptDecimal::String(s) = StringToOptDecimal::deserialize(deserializer)?;
if let Some(s) = s {
return Decimal::from_str(&s).map(Some).or(Ok(None));
}
Ok(None)
}
}
pub mod naive_datetime_from_string {
use chrono::naive::NaiveDateTime;
use serde::{Deserialize, Deserializer, Serializer};
use std::fmt;
pub fn serialize<T, S>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
where
T: fmt::Display,
S: Serializer,
{
serializer.collect_str(value)
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<NaiveDateTime, D::Error>
where
D: Deserializer<'de>,
{
#[derive(Deserialize)]
#[serde(untagged)]
enum DatetimeFromString {
String(String),
}
let DatetimeFromString::String(s) = DatetimeFromString::deserialize(deserializer)?;
let a = NaiveDateTime::parse_from_str(&s, "%Y-%m-%dT%H:%M:%S.%fZ");
match a {
Ok(t) => Ok(t),
Err(_e) => NaiveDateTime::parse_from_str(&s, "%Y-%m-%dT%H:%M:%SZ")
.map_err(serde::de::Error::custom),
}
}
}
pub mod opt_naive_datetime_from_string {
use chrono::naive::NaiveDateTime;
use serde::{Deserialize, Deserializer, Serializer};
pub fn serialize<S>(value: &Option<NaiveDateTime>, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
if let Some(value) = value {
return serializer.collect_str(&value);
}
serializer.serialize_none()
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<NaiveDateTime>, D::Error>
where
D: Deserializer<'de>,
{
#[derive(Deserialize)]
#[serde(untagged)]
enum OptDatetimeFromString {
String(Option<String>),
}
let OptDatetimeFromString::String(s) = OptDatetimeFromString::deserialize(deserializer)?;
if let Some(s) = s {
return NaiveDateTime::parse_from_str(&s, "%Y-%m-%dT%H:%M:%S.%fZ")
.map(Some)
.or(Ok(None));
}
Ok(None)
}
}
pub fn timestamp_to_naive_datetime(timestamp: u64) -> chrono::naive::NaiveDateTime {
let seconds = (timestamp / 1000) as i64;
let nanos = ((timestamp % 1000) * 1_000_000) as u32;
chrono::NaiveDateTime::from_timestamp(seconds, nanos)
}
pub fn timestamp_to_utc_datetime(timestamp: u64) -> chrono::DateTime<chrono::Utc> {
let d = timestamp_to_naive_datetime(timestamp);
chrono::DateTime::<chrono::Utc>::from_utc(d, chrono::Utc)
}