dtz_identifier/
service_id.rs

1use std::fmt::Display;
2use uuid::Uuid;
3
4static PREFIX: &str = "service-";
5
6#[derive(Debug, Clone, PartialEq, Copy)]
7pub struct ServiceId {
8    pub id: Uuid,
9}
10
11impl Default for ServiceId {
12    fn default() -> Self {
13        Self { id: Uuid::now_v7() }
14    }
15}
16
17impl Display for ServiceId {
18    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
19        f.write_str(&format!("{PREFIX}{}", self.id))
20    }
21}
22
23impl<'de> serde::Deserialize<'de> for ServiceId {
24    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
25    where
26        D: serde::Deserializer<'de>,
27    {
28        struct ServiceIdVisitor;
29
30        impl serde::de::Visitor<'_> for ServiceIdVisitor {
31            type Value = ServiceId;
32
33            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
34                formatter.write_str("a string starting with 'service-' followed by a UUID")
35            }
36
37            fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
38            where
39                E: serde::de::Error,
40            {
41                if let Some(uuid_str) = value.strip_prefix(PREFIX) {
42                    let uuid = Uuid::parse_str(uuid_str).map_err(E::custom)?;
43                    Ok(ServiceId { id: uuid })
44                } else {
45                    Err(E::custom("invalid format"))
46                }
47            }
48        }
49
50        deserializer.deserialize_str(ServiceIdVisitor)
51    }
52}
53
54impl serde::Serialize for ServiceId {
55    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
56    where
57        S: serde::Serializer,
58    {
59        serializer.serialize_str(&self.to_string())
60    }
61}
62
63impl From<Uuid> for ServiceId {
64    fn from(id: Uuid) -> Self {
65        ServiceId { id }
66    }
67}
dtz_identifier/service_id.rs

dtz_identifier/
service_id.rs
