kayrozen.com
Heavily customized version of smokesignal - https://whtwnd.com/kayrozen.com/3lpwe4ymowg2t
1//! AT Protocol datetime formatting utilities
2//!
3//! This module provides datetime formatting functions compatible with AT Protocol standards.
4
5use chrono::{DateTime, Utc};
6use serde::{Deserialize, Deserializer, Serializer};
7
8/// Format a DateTime for AT Protocol records
9pub fn format(dt: &DateTime<Utc>) -> String {
10 dt.to_rfc3339()
11}
12
13/// Format an optional DateTime for AT Protocol records
14pub fn optional_format(dt: &Option<DateTime<Utc>>) -> Option<String> {
15 dt.as_ref().map(|d| d.to_rfc3339())
16}
17
18/// Serde module for datetime formatting
19pub mod datetime_format {
20 use super::*;
21
22 pub fn serialize<S>(dt: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
23 where
24 S: Serializer,
25 {
26 serializer.serialize_str(&dt.to_rfc3339())
27 }
28
29 pub fn deserialize<'de, D>(deserializer: D) -> Result<DateTime<Utc>, D::Error>
30 where
31 D: Deserializer<'de>,
32 {
33 let s = String::deserialize(deserializer)?;
34 DateTime::parse_from_rfc3339(&s)
35 .map(|dt| dt.with_timezone(&Utc))
36 .map_err(serde::de::Error::custom)
37 }
38}
39
40/// Serde module for optional datetime formatting
41pub mod optional_datetime_format {
42 use super::*;
43
44 pub fn serialize<S>(dt: &Option<DateTime<Utc>>, serializer: S) -> Result<S::Ok, S::Error>
45 where
46 S: Serializer,
47 {
48 match dt {
49 Some(dt) => serializer.serialize_some(&dt.to_rfc3339()),
50 None => serializer.serialize_none(),
51 }
52 }
53
54 pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<DateTime<Utc>>, D::Error>
55 where
56 D: Deserializer<'de>,
57 {
58 let opt = Option::<String>::deserialize(deserializer)?;
59 match opt {
60 Some(s) => DateTime::parse_from_rfc3339(&s)
61 .map(|dt| Some(dt.with_timezone(&Utc)))
62 .map_err(serde::de::Error::custom),
63 None => Ok(None),
64 }
65 }
66}