1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
use crate::{Error, FileSystem, Result};
use std::{ffi::OsString, path::PathBuf};
#[cfg(feature = "chrono")]
use chrono::{DateTime, Utc, MIN_DATETIME};
#[derive(Debug)]
pub struct Snapshot {
name: OsString,
dataset: PathBuf,
#[cfg(feature = "chrono")]
timestamp: DateTime<Utc>,
}
impl TryFrom<&str> for Snapshot {
type Error = Error;
fn try_from(s: &str) -> Result<Self> {
s.split_once('@')
.map(|(d, n)| Snapshot {
name: n.into(),
dataset: d.into(),
#[cfg(feature = "chrono")]
timestamp: n.parse().unwrap_or(MIN_DATETIME),
})
.ok_or_else(|| Error::Snapshot(format!("Failed to parse snapshot: {:?}", s)))
}
}
impl Snapshot {
pub fn clone_new(&self, path: String) -> Result<FileSystem> {
FileSystem::builder()
.dataset(&self.dataset.join(path))
.build_from(self.to_owned())
}
/// Get a reference to the snapshot's name.
pub fn name(&self) -> &OsString {
&self.name
}
/// Get a reference to the snapshot's dataset.
pub fn dataset(&self) -> &PathBuf {
&self.dataset
}
#[cfg(feature = "chrono")]
/// Get the snapshot's timestamp.
pub fn timestamp(&self) -> DateTime<Utc> {
self.timestamp
}
}
|
