57 lines
1.5 KiB
Rust
57 lines
1.5 KiB
Rust
use chrono::Utc;
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use serde::{Deserializer, Serializer};
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use std::fmt;
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pub fn serialize_datetime<S>(
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date: &Option<chrono::DateTime<Utc>>,
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serializer: S,
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) -> Result<S::Ok, S::Error>
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where
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S: Serializer,
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{
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serializer.serialize_str(&date.unwrap().to_rfc3339())
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}
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pub fn deserialize_datetime<'de, D>(
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deserializer: D,
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) -> Result<Option<chrono::DateTime<Utc>>, D::Error>
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where
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D: Deserializer<'de>,
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{
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struct DateTimeVisitor;
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impl<'de> serde::de::Visitor<'de> for DateTimeVisitor {
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type Value = Option<chrono::DateTime<Utc>>;
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fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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formatter.write_str("an ISO 8601 formatted date string or null")
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}
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fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
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where
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E: serde::de::Error,
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{
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match chrono::DateTime::parse_from_rfc3339(value) {
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Ok(dt) => Ok(Some(dt.with_timezone(&Utc))),
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Err(e) => Err(E::custom(format!("Failed to parse datetime: {}", e))),
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}
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}
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fn visit_none<E>(self) -> Result<Self::Value, E>
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where
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E: serde::de::Error,
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{
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Ok(None)
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}
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fn visit_some<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
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where
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D: Deserializer<'de>,
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{
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deserializer.deserialize_str(self)
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}
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}
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deserializer.deserialize_option(DateTimeVisitor)
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}
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