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: String,
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    pub kind: ArtifactKind,
42    pub source_url: String,
43    #[serde(default, skip_serializing_if = "Option::is_none")]
44    pub mime_type: Option<String>,
45}
46
47#[cfg(test)]
48mod tests {
49    use super::*;
50    #[test]
51    fn media_rejects_legacy_fields_and_wrong_scope_or_kind() {
52        for value in [
53            serde_json::json!({"url":"https://example.com/a"}),
54            serde_json::json!({"uri":"x","base64":"eA=="}),
55            serde_json::json!({"uri":"x","mimeType":"image/png"}),
56            serde_json::json!({"uri":"x","createdAt":1}),
57        ] {
58            assert!(serde_json::from_value::<MediaReference>(value).is_err());
59        }
60        let reference = ArtifactReference::new(
61            "tenant",
62            "scope",
63            "a".repeat(64),
64            crate::ArtifactMetadata::audio("audio/mpeg", 10, None).unwrap(),
65        )
66        .unwrap();
67        let media = MediaReference {
68            uri: reference.uri().unwrap(),
69        };
70        assert!(media
71            .validate("tenant", "scope", ArtifactKind::Audio)
72            .is_ok());
73        assert!(media
74            .validate("tenant", "other", ArtifactKind::Audio)
75            .is_err());
76        assert!(media
77            .validate("tenant", "scope", ArtifactKind::Image)
78            .is_err());
79        assert!(MediaReference {
80            uri: "https://example.com/a".into()
81        }
82        .reference(ArtifactKind::Audio)
83        .is_err());
84    }
85}
artifact_api/media.rs

artifact_api/
media.rs
