surrealdb_core/sql/
datetime.rs

1use crate::sql::duration::Duration;
2use crate::sql::strand::Strand;
3use crate::syn;
4use chrono::{offset::LocalResult, DateTime, SecondsFormat, TimeZone, Utc};
5use revision::revisioned;
6use serde::{Deserialize, Serialize};
7use std::fmt::{self, Display, Formatter};
8use std::ops;
9use std::ops::Deref;
10use std::str;
11use std::str::FromStr;
12
13use super::escape::quote_str;
14
15pub(crate) const TOKEN: &str = "$surrealdb::private::sql::Datetime";
16
17#[revisioned(revision = 1)]
18#[derive(Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Serialize, Deserialize, Hash)]
19#[serde(rename = "$surrealdb::private::sql::Datetime")]
20#[non_exhaustive]
21pub struct Datetime(pub DateTime<Utc>);
22
23impl Default for Datetime {
24	fn default() -> Self {
25		Self(Utc::now())
26	}
27}
28
29impl From<DateTime<Utc>> for Datetime {
30	fn from(v: DateTime<Utc>) -> Self {
31		Self(v)
32	}
33}
34
35impl From<Datetime> for DateTime<Utc> {
36	fn from(x: Datetime) -> Self {
37		x.0
38	}
39}
40
41impl FromStr for Datetime {
42	type Err = ();
43	fn from_str(s: &str) -> Result<Self, Self::Err> {
44		Self::try_from(s)
45	}
46}
47
48impl TryFrom<String> for Datetime {
49	type Error = ();
50	fn try_from(v: String) -> Result<Self, Self::Error> {
51		Self::try_from(v.as_str())
52	}
53}
54
55impl TryFrom<Strand> for Datetime {
56	type Error = ();
57	fn try_from(v: Strand) -> Result<Self, Self::Error> {
58		Self::try_from(v.as_str())
59	}
60}
61
62impl TryFrom<&str> for Datetime {
63	type Error = ();
64	fn try_from(v: &str) -> Result<Self, Self::Error> {
65		match syn::datetime_raw(v) {
66			Ok(v) => Ok(v),
67			_ => Err(()),
68		}
69	}
70}
71
72impl TryFrom<(i64, u32)> for Datetime {
73	type Error = ();
74	fn try_from(v: (i64, u32)) -> Result<Self, Self::Error> {
75		match Utc.timestamp_opt(v.0, v.1) {
76			LocalResult::Single(v) => Ok(Self(v)),
77			_ => Err(()),
78		}
79	}
80}
81
82impl Deref for Datetime {
83	type Target = DateTime<Utc>;
84	fn deref(&self) -> &Self::Target {
85		&self.0
86	}
87}
88
89impl Datetime {
90	/// Convert the Datetime to a raw String
91	pub fn to_raw(&self) -> String {
92		self.0.to_rfc3339_opts(SecondsFormat::AutoSi, true)
93	}
94}
95
96impl Display for Datetime {
97	fn fmt(&self, f: &mut Formatter) -> fmt::Result {
98		write!(f, "d{}", &quote_str(&self.to_raw()))
99	}
100}
101
102impl ops::Sub<Self> for Datetime {
103	type Output = Duration;
104	fn sub(self, other: Self) -> Duration {
105		match (self.0 - other.0).to_std() {
106			Ok(d) => Duration::from(d),
107			Err(_) => Duration::default(),
108		}
109	}
110}
surrealdb_core/sql/datetime.rs

surrealdb_core/sql/
datetime.rs
