hyperion/models/
meta.rs

1use std::convert::TryFrom;
2
3use serde_derive::{Deserialize, Serialize};
4use thiserror::Error;
5
6use crate::db::models as db_models;
7
8#[derive(Debug, Error)]
9pub enum MetaError {
10    #[error("error parsing date: {0}")]
11    Chrono(#[from] chrono::ParseError),
12    #[error("error parsing uuid: {0}")]
13    Uuid(#[from] uuid::Error),
14}
15
16#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
17#[serde(rename_all = "camelCase", deny_unknown_fields)]
18pub struct Meta {
19    pub uuid: uuid::Uuid,
20    #[serde(default = "chrono::Utc::now")]
21    pub created_at: chrono::DateTime<chrono::Utc>,
22}
23
24impl Default for Meta {
25    fn default() -> Self {
26        Self::new()
27    }
28}
29
30impl Meta {
31    pub fn new() -> Self {
32        let intf = pnet::datalink::interfaces()
33            .iter()
34            .find_map(|intf| if !intf.is_loopback() { intf.mac } else { None })
35            .unwrap_or_else(pnet::datalink::MacAddr::default);
36
37        Self {
38            uuid: uuid::Uuid::new_v5(&uuid::Uuid::default(), format!("{}", intf).as_bytes()),
39            created_at: chrono::Utc::now(),
40        }
41    }
42}
43
44impl TryFrom<db_models::DbMeta> for Meta {
45    type Error = MetaError;
46
47    fn try_from(db: db_models::DbMeta) -> Result<Self, Self::Error> {
48        Ok(Self {
49            uuid: uuid::Uuid::parse_str(&db.uuid)?,
50            created_at: chrono::DateTime::parse_from_rfc3339(&db.created_at)?
51                .with_timezone(&chrono::Utc),
52        })
53    }
54}
hyperion/models/meta.rs

hyperion/models/
meta.rs
