Add JRay support

src-tauri/src/repository/online.rs

@@ -11,6 +11,30 @@ use crate::connectivity::ConnectivityReporter;
 use crate::jellyfin::HttpClient;
 use super::{MediaRepository, types::*};
 
+/// A single actor returned by the JRay plugin's "context at time t" endpoint.
+///
+/// Mirrors the `actors[]` objects from `GET /Plugins/JRay/Items/{id}/jray?t=`.
+/// `jellyfin_id` (a Jellyfin Person item GUID) is preferred for navigation;
+/// the IMDb/TMDb ids are informational fallbacks. Unknown ids are `""`.
+#[derive(specta::Type, Debug, Clone, Serialize, Deserialize)]
+pub struct JRayActor {
+    pub name: String,
+    #[serde(default)]
+    pub imdb_id: String,
+    #[serde(default)]
+    pub tmdb_id: String,
+    #[serde(default)]
+    pub jellyfin_id: String,
+}
+
+/// Envelope returned by the JRay `jray?t=` endpoint. Extra keys (future
+/// `locations`, `trivia`, …) are ignored so the client tolerates schema growth.
+#[derive(Debug, Clone, Deserialize)]
+struct JRayContext {
+    #[serde(default)]
+    actors: Vec<JRayActor>,
+}
+
 /// Online repository - fetches data from Jellyfin server via HTTP
 pub struct OnlineRepository {
     http_client: Arc<HttpClient>,
@@ -104,6 +128,20 @@ impl OnlineRepository {
             .map_err(|e| format!("Failed to read bytes: {}", e))
     }
 
+    /// Query the JRay plugin for the actors on screen at time `t` (seconds) in
+    /// the given item. Returns an empty list when the plugin isn't installed or
+    /// has no truth data for the item (HTTP 404), so callers can treat "no JRay"
+    /// and "nobody on screen" identically. Other failures propagate.
+    pub async fn get_jray_actors(&self, item_id: &str, t: f64) -> Result<Vec<JRayActor>, RepoError> {
+        let endpoint = format!("/Plugins/JRay/Items/{}/jray?t={}", item_id, t);
+        match self.get_json::<JRayContext>(&endpoint).await {
+            Ok(context) => Ok(context.actors),
+            // No plugin / no truth data for this item — not an error to the user.
+            Err(RepoError::NotFound { .. }) => Ok(Vec::new()),
+            Err(e) => Err(e),
+        }
+    }
+
     /// Make authenticated GET request
     async fn get_json<T: for<'de> Deserialize<'de>>(&self, endpoint: &str) -> Result<T, RepoError> {
         let result = self.get_json_inner(endpoint).await;
@@ -1958,4 +1996,34 @@ mod tests {
         assert_eq!(urlencoding::encode("Star Wars"), "Star%20Wars");
         assert_eq!(urlencoding::encode("Tom & Jerry"), "Tom%20%26%20Jerry");
     }
+
+    #[test]
+    fn test_jray_context_deserializes_actors() {
+        // The jray?t= envelope as documented in the JRay truth file format.
+        let json = r#"{
+            "actors": [
+                { "name": "Tom Hanks", "imdb_id": "nm0000158", "tmdb_id": "31", "jellyfin_id": "abc123-guid" }
+            ]
+        }"#;
+        let ctx: JRayContext = serde_json::from_str(json).expect("should parse");
+        assert_eq!(ctx.actors.len(), 1);
+        assert_eq!(ctx.actors[0].name, "Tom Hanks");
+        assert_eq!(ctx.actors[0].jellyfin_id, "abc123-guid");
+    }
+
+    #[test]
+    fn test_jray_context_ignores_unknown_keys_and_missing_ids() {
+        // Future fields (locations/trivia) must be ignored, and absent id keys
+        // must default to "" rather than failing to parse.
+        let json = r#"{
+            "actors": [ { "name": "Extra" } ],
+            "locations": ["Beach"],
+            "trivia": "filmed in 1994"
+        }"#;
+        let ctx: JRayContext = serde_json::from_str(json).expect("should tolerate extra keys");
+        assert_eq!(ctx.actors.len(), 1);
+        assert_eq!(ctx.actors[0].name, "Extra");
+        assert_eq!(ctx.actors[0].imdb_id, "");
+        assert_eq!(ctx.actors[0].jellyfin_id, "");
+    }
 }