artifact_api/
media.rs

1//! Media values refer only to committed, scope-owned artifacts.
2use crate::{ArtifactKind, ArtifactReference, ArtifactReferenceError};
3use serde::{Deserialize, Serialize};
4
5#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
6#[serde(deny_unknown_fields)]
7pub struct MediaReference {
8    pub uri: ArtifactUri,
9}
10
11impl MediaReference {
12    pub fn reference(
13        &self,
14        kind: ArtifactKind,
15    ) -> Result<ArtifactReference, ArtifactReferenceError> {
16        let reference = ArtifactReference::parse(&self.uri)?;
17        if reference.metadata().kind() != kind {
18            return Err(super::invalid(
19                "media artifact kind does not match the field type",
20            ));
21        }
22        Ok(reference)
23    }
24
25    pub fn validate(
26        &self,
27        tenant: &str,
28        scope: &str,
29        kind: ArtifactKind,
30    ) -> Result<ArtifactReference, ArtifactReferenceError> {
31        let reference = self.reference(kind)?;
32        reference.ensure_scope(tenant, scope)?;
33        Ok(reference)
34    }
35}
36
37/// Explicit import of a finite HTTP resource. Scope comes from authenticated context.
38#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
39#[serde(rename_all = "camelCase", deny_unknown_fields)]
40pub struct ImportArtifactRequest {
41    #[serde(default)]
42    pub lifecycle: crate::ArtifactLifecycle,
43    #[serde(default, skip_serializing_if = "Option::is_none")]
44    pub creation_id: Option<String>,
45    pub kind: ArtifactKind,
46    pub source_url: String,
47    #[serde(default, skip_serializing_if = "Option::is_none")]
48    pub mime_type: Option<String>,
49}
50
51#[cfg(test)]
52mod tests {
53    use super::*;
54    #[test]
55    fn media_rejects_legacy_fields_and_wrong_scope_or_kind() {
56        for value in [
57            serde_json::json!({"url":"https://example.com/a"}),
58            serde_json::json!({"uri":"x","base64":"eA=="}),
59            serde_json::json!({"uri":"x","mimeType":"image/png"}),
60            serde_json::json!({"uri":"x","createdAt":1}),
61        ] {
62            assert!(serde_json::from_value::<MediaReference>(value).is_err());
63        }
64        let reference = ArtifactReference::new(
65            "tenant",
66            "scope",
67            "a".repeat(64),
68            crate::ArtifactMetadata::audio("audio/mpeg", 10, None).unwrap(),
69        )
70        .unwrap();
71        let media = MediaReference {
72            uri: reference.uri().unwrap().parse().unwrap(),
73        };
74        assert!(media
75            .validate("tenant", "scope", ArtifactKind::Audio)
76            .is_ok());
77        assert!(media
78            .validate("tenant", "other", ArtifactKind::Audio)
79            .is_err());
80        assert!(media
81            .validate("tenant", "scope", ArtifactKind::Image)
82            .is_err());
83        assert!(serde_json::from_value::<MediaReference>(serde_json::json!({
84            "uri": "https://example.com/a"
85        }))
86        .is_err());
87    }
88}
89
90/// A canonical artifact URI. Construction and deserialization reject non-artifact sources.
91#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
92#[serde(try_from = "String", into = "String")]
93pub struct ArtifactUri(String);
94
95impl ArtifactUri {
96    pub fn as_str(&self) -> &str {
97        &self.0
98    }
99    pub fn reference(&self) -> ArtifactReference {
100        ArtifactReference::parse(&self.0).expect("ArtifactUri was validated at construction")
101    }
102}
103impl std::str::FromStr for ArtifactUri {
104    type Err = ArtifactReferenceError;
105    fn from_str(value: &str) -> Result<Self, Self::Err> {
106        let reference = ArtifactReference::parse(value)?;
107        Ok(Self(reference.uri()?))
108    }
109}
110impl TryFrom<String> for ArtifactUri {
111    type Error = ArtifactReferenceError;
112    fn try_from(value: String) -> Result<Self, Self::Error> {
113        value.parse()
114    }
115}
116impl From<ArtifactUri> for String {
117    fn from(value: ArtifactUri) -> String {
118        value.0
119    }
120}
121impl std::ops::Deref for ArtifactUri {
122    type Target = str;
123    fn deref(&self) -> &str {
124        self.as_str()
125    }
126}
127impl AsRef<str> for ArtifactUri {
128    fn as_ref(&self) -> &str {
129        self.as_str()
130    }
131}
132impl std::fmt::Display for ArtifactUri {
133    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
134        self.0.fmt(f)
135    }
136}
artifact_api/media.rs

artifact_api/
media.rs
