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 identity: crate::ArtifactIdentity,
43    #[serde(default)]
44    pub retention: crate::ArtifactRetention,
45    #[serde(
46        default,
47        skip_serializing_if = "Option::is_none",
48        deserialize_with = "crate::deserialize_optional_non_null"
49    )]
50    pub creation_id: Option<String>,
51    pub kind: ArtifactKind,
52    pub source_url: String,
53    #[serde(
54        default,
55        skip_serializing_if = "Option::is_none",
56        deserialize_with = "crate::deserialize_optional_non_null"
57    )]
58    pub mime_type: Option<String>,
59}
60
61impl ImportArtifactRequest {
62    pub const fn policy(&self) -> crate::ArtifactPolicy {
63        crate::ArtifactPolicy::new(self.identity, self.retention)
64    }
65}
66
67#[cfg(test)]
68mod tests {
69    use super::*;
70    #[test]
71    fn media_rejects_legacy_fields_and_wrong_scope_or_kind() {
72        for value in [
73            serde_json::json!({"url":"https://example.com/a"}),
74            serde_json::json!({"uri":"x","base64":"eA=="}),
75            serde_json::json!({"uri":"x","mimeType":"image/png"}),
76            serde_json::json!({"uri":"x","createdAt":1}),
77        ] {
78            assert!(serde_json::from_value::<MediaReference>(value).is_err());
79        }
80        let reference = ArtifactReference::new(
81            "tenant",
82            "scope",
83            "a".repeat(64),
84            crate::ArtifactMetadata::audio("audio/mpeg", 10, None).unwrap(),
85        )
86        .unwrap();
87        let media = MediaReference {
88            uri: reference.uri().unwrap().parse().unwrap(),
89        };
90        assert!(media
91            .validate("tenant", "scope", ArtifactKind::Audio)
92            .is_ok());
93        assert!(media
94            .validate("tenant", "other", ArtifactKind::Audio)
95            .is_err());
96        assert!(media
97            .validate("tenant", "scope", ArtifactKind::Image)
98            .is_err());
99        assert!(serde_json::from_value::<MediaReference>(serde_json::json!({
100            "uri": "https://example.com/a"
101        }))
102        .is_err());
103    }
104}
105
106/// A canonical artifact URI. Construction and deserialization reject non-artifact sources.
107#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
108#[serde(try_from = "String", into = "String")]
109pub struct ArtifactUri(String);
110
111impl ArtifactUri {
112    pub fn as_str(&self) -> &str {
113        &self.0
114    }
115    pub fn reference(&self) -> ArtifactReference {
116        ArtifactReference::parse(&self.0).expect("ArtifactUri was validated at construction")
117    }
118}
119impl std::str::FromStr for ArtifactUri {
120    type Err = ArtifactReferenceError;
121    fn from_str(value: &str) -> Result<Self, Self::Err> {
122        let reference = ArtifactReference::parse(value)?;
123        Ok(Self(reference.uri()?))
124    }
125}
126impl TryFrom<String> for ArtifactUri {
127    type Error = ArtifactReferenceError;
128    fn try_from(value: String) -> Result<Self, Self::Error> {
129        value.parse()
130    }
131}
132impl From<ArtifactUri> for String {
133    fn from(value: ArtifactUri) -> String {
134        value.0
135    }
136}
137impl std::ops::Deref for ArtifactUri {
138    type Target = str;
139    fn deref(&self) -> &str {
140        self.as_str()
141    }
142}
143impl AsRef<str> for ArtifactUri {
144    fn as_ref(&self) -> &str {
145        self.as_str()
146    }
147}
148impl std::fmt::Display for ArtifactUri {
149    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
150        self.0.fmt(f)
151    }
152}
artifact_api/media.rs

artifact_api/
media.rs
