feat(infra): add FullSyncAdapter for library sync

k-tv-backend/infra/src/lib.rs

@@ -18,6 +18,9 @@ pub mod db;
 pub mod factory;
 pub mod jellyfin;
 pub mod provider_registry;
+mod library_sync;
+pub use library_sync::FullSyncAdapter;
+
 mod app_settings_repository;
 mod activity_log_repository;
 mod channel_repository;

k-tv-backend/infra/src/library_sync.rs

@@ -0,0 +1,247 @@
+//! Full-sync library sync adapter: truncate + re-insert all provider items.
+
+use std::collections::HashMap;
+use std::sync::Arc;
+use std::time::Instant;
+
+use async_trait::async_trait;
+use domain::{
+    Collection, ILibraryRepository, IMediaProvider, LibraryItem,
+    LibrarySyncAdapter, LibrarySyncResult, MediaFilter,
+};
+
+pub struct FullSyncAdapter {
+    repo: Arc<dyn ILibraryRepository>,
+}
+
+impl FullSyncAdapter {
+    pub fn new(repo: Arc<dyn ILibraryRepository>) -> Self {
+        Self { repo }
+    }
+}
+
+#[async_trait]
+impl LibrarySyncAdapter for FullSyncAdapter {
+    async fn sync_provider(
+        &self,
+        provider: &dyn IMediaProvider,
+        provider_id: &str,
+    ) -> LibrarySyncResult {
+        let start = Instant::now();
+
+        // Check for running sync first
+        match self.repo.is_sync_running(provider_id).await {
+            Ok(true) => {
+                return LibrarySyncResult {
+                    provider_id: provider_id.to_string(),
+                    items_found: 0,
+                    duration_ms: 0,
+                    error: Some("sync already running".to_string()),
+                };
+            }
+            Err(e) => {
+                return LibrarySyncResult {
+                    provider_id: provider_id.to_string(),
+                    items_found: 0,
+                    duration_ms: 0,
+                    error: Some(e.to_string()),
+                };
+            }
+            Ok(false) => {}
+        }
+
+        let log_id = match self.repo.log_sync_start(provider_id).await {
+            Ok(id) => id,
+            Err(e) => {
+                return LibrarySyncResult {
+                    provider_id: provider_id.to_string(),
+                    items_found: 0,
+                    duration_ms: start.elapsed().as_millis() as u64,
+                    error: Some(e.to_string()),
+                };
+            }
+        };
+
+        // Fetch collections for name/type enrichment — build a lookup map
+        let collections: Vec<Collection> = provider.list_collections().await.unwrap_or_default();
+        let collection_map: HashMap<String, &Collection> =
+            collections.iter().map(|c| (c.id.clone(), c)).collect();
+
+        // Fetch all items
+        let media_items = match provider.fetch_items(&MediaFilter::default()).await {
+            Ok(items) => items,
+            Err(e) => {
+                let result = LibrarySyncResult {
+                    provider_id: provider_id.to_string(),
+                    items_found: 0,
+                    duration_ms: start.elapsed().as_millis() as u64,
+                    error: Some(e.to_string()),
+                };
+                let _ = self.repo.log_sync_finish(log_id, &result).await;
+                return result;
+            }
+        };
+
+        let items_found = media_items.len() as u32;
+        let now = chrono::Utc::now().to_rfc3339();
+
+        let library_items: Vec<LibraryItem> = media_items
+            .into_iter()
+            .map(|item| {
+                let raw_id = item.id.into_inner();
+                let id = format!("{}::{}", provider_id, raw_id);
+                // Enrich with collection name/type using the lookup map.
+                let (col_name, col_type) = item.collection_id.as_deref()
+                    .and_then(|cid| collection_map.get(cid))
+                    .map(|c| (Some(c.name.clone()), c.collection_type.clone()))
+                    .unwrap_or((None, None));
+                LibraryItem {
+                    id,
+                    provider_id: provider_id.to_string(),
+                    external_id: raw_id,
+                    title: item.title,
+                    content_type: item.content_type,
+                    duration_secs: item.duration_secs,
+                    series_name: item.series_name,
+                    season_number: item.season_number,
+                    episode_number: item.episode_number,
+                    year: item.year,
+                    genres: item.genres,
+                    tags: item.tags,
+                    collection_id: item.collection_id,
+                    collection_name: col_name,
+                    collection_type: col_type,
+                    thumbnail_url: item.thumbnail_url,
+                    synced_at: now.clone(),
+                }
+            })
+            .collect();
+
+        // Truncate + insert
+        if let Err(e) = self.repo.clear_provider(provider_id).await {
+            let result = LibrarySyncResult {
+                provider_id: provider_id.to_string(),
+                items_found: 0,
+                duration_ms: start.elapsed().as_millis() as u64,
+                error: Some(e.to_string()),
+            };
+            let _ = self.repo.log_sync_finish(log_id, &result).await;
+            return result;
+        }
+
+        let result = match self.repo.upsert_items(provider_id, library_items).await {
+            Ok(()) => LibrarySyncResult {
+                provider_id: provider_id.to_string(),
+                items_found,
+                duration_ms: start.elapsed().as_millis() as u64,
+                error: None,
+            },
+            Err(e) => LibrarySyncResult {
+                provider_id: provider_id.to_string(),
+                items_found: 0,
+                duration_ms: start.elapsed().as_millis() as u64,
+                error: Some(e.to_string()),
+            },
+        };
+
+        let _ = self.repo.log_sync_finish(log_id, &result).await;
+        result
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::sync::{Arc, Mutex};
+    use async_trait::async_trait;
+    use domain::*;
+
+    struct MockProvider {
+        items: Vec<MediaItem>,
+    }
+
+    #[async_trait]
+    impl IMediaProvider for MockProvider {
+        fn capabilities(&self) -> ProviderCapabilities {
+            ProviderCapabilities {
+                collections: true,
+                series: false,
+                genres: false,
+                tags: false,
+                decade: false,
+                search: false,
+                streaming_protocol: StreamingProtocol::Hls,
+                rescan: false,
+                transcode: false,
+            }
+        }
+        async fn fetch_items(&self, _filter: &MediaFilter) -> DomainResult<Vec<MediaItem>> {
+            Ok(self.items.clone())
+        }
+        async fn fetch_by_id(&self, _id: &MediaItemId) -> DomainResult<Option<MediaItem>> { Ok(None) }
+        async fn get_stream_url(&self, _id: &MediaItemId, _q: &StreamQuality) -> DomainResult<String> { Ok(String::new()) }
+        async fn list_collections(&self) -> DomainResult<Vec<Collection>> { Ok(vec![]) }
+        async fn list_series(&self, _col: Option<&str>) -> DomainResult<Vec<SeriesSummary>> { Ok(vec![]) }
+        async fn list_genres(&self, _ct: Option<&ContentType>) -> DomainResult<Vec<String>> { Ok(vec![]) }
+    }
+
+    struct SpyRepo {
+        upserted: Arc<Mutex<Vec<LibraryItem>>>,
+        cleared: Arc<Mutex<Vec<String>>>,
+    }
+
+    #[async_trait]
+    impl ILibraryRepository for SpyRepo {
+        async fn search(&self, _f: &LibrarySearchFilter) -> DomainResult<(Vec<LibraryItem>, u32)> { Ok((vec![], 0)) }
+        async fn get_by_id(&self, _id: &str) -> DomainResult<Option<LibraryItem>> { Ok(None) }
+        async fn list_collections(&self, _p: Option<&str>) -> DomainResult<Vec<LibraryCollection>> { Ok(vec![]) }
+        async fn list_series(&self, _p: Option<&str>) -> DomainResult<Vec<String>> { Ok(vec![]) }
+        async fn list_genres(&self, _ct: Option<&ContentType>, _p: Option<&str>) -> DomainResult<Vec<String>> { Ok(vec![]) }
+        async fn upsert_items(&self, _pid: &str, items: Vec<LibraryItem>) -> DomainResult<()> {
+            self.upserted.lock().unwrap().extend(items);
+            Ok(())
+        }
+        async fn clear_provider(&self, pid: &str) -> DomainResult<()> {
+            self.cleared.lock().unwrap().push(pid.to_string());
+            Ok(())
+        }
+        async fn log_sync_start(&self, _pid: &str) -> DomainResult<i64> { Ok(1) }
+        async fn log_sync_finish(&self, _id: i64, _r: &LibrarySyncResult) -> DomainResult<()> { Ok(()) }
+        async fn latest_sync_status(&self) -> DomainResult<Vec<LibrarySyncLogEntry>> { Ok(vec![]) }
+        async fn is_sync_running(&self, _pid: &str) -> DomainResult<bool> { Ok(false) }
+    }
+
+    #[tokio::test]
+    async fn sync_clears_then_upserts_items() {
+        let upserted = Arc::new(Mutex::new(vec![]));
+        let cleared = Arc::new(Mutex::new(vec![]));
+        let repo: Arc<dyn ILibraryRepository> = Arc::new(SpyRepo {
+            upserted: Arc::clone(&upserted),
+            cleared: Arc::clone(&cleared),
+        });
+        let adapter = FullSyncAdapter::new(Arc::clone(&repo));
+        let provider = MockProvider {
+            items: vec![MediaItem {
+                id: MediaItemId::new("abc".to_string()),
+                title: "Test Movie".to_string(),
+                content_type: ContentType::Movie,
+                duration_secs: 3600,
+                description: None,
+                series_name: None,
+                season_number: None,
+                episode_number: None,
+                year: None,
+                genres: vec![],
+                tags: vec![],
+                thumbnail_url: None,
+                collection_id: None,
+            }],
+        };
+
+        let result = adapter.sync_provider(&provider, "jellyfin").await;
+        assert!(result.error.is_none());
+        assert_eq!(result.items_found, 1);
+        assert_eq!(cleared.lock().unwrap().as_slice(), &["jellyfin"]);
+        assert_eq!(upserted.lock().unwrap().len(), 1);
+    }
+}