feat(downloads): add album download status to grid overlays (partial)

- Add backend command to check if album is fully downloaded
- Add frontend functions to check album download status
- Pass download handlers to HomeView
- Update HomeView AlbumCards with download status props

cp

src-tauri/src/download_cache/commands.rs

@@ -479,6 +479,35 @@ pub async fn open_album_folder(
     Ok(())
 }
 
+/// Check if an album is fully downloaded (all tracks ready)
+#[tauri::command]
+pub async fn check_album_fully_downloaded(
+    album_id: String,
+    cache_state: State<'_, DownloadCacheState>,
+) -> Result<bool, String> {
+    let db = cache_state.db.lock().await;
+    
+    // Get all tracks for this album
+    let tracks = db.get_all_tracks()?;
+    let album_tracks: Vec<_> = tracks
+        .into_iter()
+        .filter(|t| t.album_id.as_deref() == Some(&album_id))
+        .collect();
+
+    if album_tracks.is_empty() {
+        return Ok(false);
+    }
+    
+    // Check if all tracks are ready
+    for track in album_tracks {
+        if track.status != crate::download_cache::DownloadStatus::Ready {
+            return Ok(false);
+        }
+    }
+    
+    Ok(true)
+}
+
 /// Evict tracks if cache exceeds limit (LRU policy)
 async fn evict_if_needed(
     cache_state: &DownloadCacheState,

src-tauri/src/lib.rs

@@ -443,6 +443,7 @@ pub fn run() {
             download_cache::commands::set_download_cache_limit,
             download_cache::commands::open_download_cache_folder,
             download_cache::commands::open_album_folder,
+            download_cache::commands::check_album_fully_downloaded,
             download_cache::commands::check_download_root_mounted,
             download_cache::commands::validate_download_path,
             download_cache::commands::move_downloads_to_path,

src/lib/components/views/HomeView.svelte

@@ -54,6 +54,10 @@
     onAlbumShareQobuz?: (albumId: string) => void;
     onAlbumShareSonglink?: (albumId: string) => void;
     onAlbumDownload?: (albumId: string) => void;
+    onOpenAlbumFolder?: (albumId: string) => void;
+    onReDownloadAlbum?: (albumId: string) => void;
+    checkAlbumFullyDownloaded?: (albumId: string) => Promise<boolean>;
+    downloadStateVersion?: number;
     onArtistClick?: (artistId: number) => void;
     onTrackPlay?: (track: DisplayTrack) => void;
   }
@@ -67,6 +71,10 @@
     onAlbumShareQobuz,
     onAlbumShareSonglink,
     onAlbumDownload,
+    onOpenAlbumFolder,
+    onReDownloadAlbum,
+    checkAlbumFullyDownloaded,
+    downloadStateVersion,
     onArtistClick,
     onTrackPlay
   }: Props = $props();
@@ -132,6 +140,25 @@
 
   let failedArtistImages = $state<Set<number>>(new Set());
 
+  // Download status tracking
+  let albumDownloadStatuses = $state<Map<string, boolean>>(new Map());
+
+  async function loadAlbumDownloadStatus(albumId: string) {
+    if (!checkAlbumFullyDownloaded) return false;
+    try {
+      const isDownloaded = await checkAlbumFullyDownloaded(albumId);
+      albumDownloadStatuses.set(albumId, isDownloaded);
+      return isDownloaded;
+    } catch {
+      return false;
+    }
+  }
+
+  function isAlbumDownloaded(albumId: string): boolean {
+    void downloadStateVersion;
+    return albumDownloadStatuses.get(albumId) || false;
+  }
+
   const hasContent = $derived(
     newReleases.length > 0
     || pressAwards.length > 0
@@ -510,7 +537,10 @@
                 onShareQobuz={onAlbumShareQobuz ? () => onAlbumShareQobuz(album.id) : undefined}
                 onShareSonglink={onAlbumShareSonglink ? () => onAlbumShareSonglink(album.id) : undefined}
                 onDownload={onAlbumDownload ? () => onAlbumDownload(album.id) : undefined}
-                onclick={() => onAlbumClick?.(album.id)}
+                isAlbumFullyDownloaded={isAlbumDownloaded(album.id)}
+                onOpenContainingFolder={onOpenAlbumFolder ? () => onOpenAlbumFolder(album.id) : undefined}
+                onReDownloadAlbum={onReDownloadAlbum ? () => onReDownloadAlbum(album.id) : undefined}
+                onclick={() => { onAlbumClick?.(album.id); loadAlbumDownloadStatus(album.id); }}
               />
             {/each}
             <div class="spacer"></div>
@@ -534,7 +564,10 @@
                 onShareQobuz={onAlbumShareQobuz ? () => onAlbumShareQobuz(album.id) : undefined}
                 onShareSonglink={onAlbumShareSonglink ? () => onAlbumShareSonglink(album.id) : undefined}
                 onDownload={onAlbumDownload ? () => onAlbumDownload(album.id) : undefined}
-                onclick={() => onAlbumClick?.(album.id)}
+                isAlbumFullyDownloaded={isAlbumDownloaded(album.id)}
+                onOpenContainingFolder={onOpenAlbumFolder ? () => onOpenAlbumFolder(album.id) : undefined}
+                onReDownloadAlbum={onReDownloadAlbum ? () => onReDownloadAlbum(album.id) : undefined}
+                onclick={() => { onAlbumClick?.(album.id); loadAlbumDownloadStatus(album.id); }}
               />
             {/each}
             <div class="spacer"></div>
@@ -558,7 +591,10 @@
                 onShareQobuz={onAlbumShareQobuz ? () => onAlbumShareQobuz(album.id) : undefined}
                 onShareSonglink={onAlbumShareSonglink ? () => onAlbumShareSonglink(album.id) : undefined}
                 onDownload={onAlbumDownload ? () => onAlbumDownload(album.id) : undefined}
-                onclick={() => onAlbumClick?.(album.id)}
+                isAlbumFullyDownloaded={isAlbumDownloaded(album.id)}
+                onOpenContainingFolder={onOpenAlbumFolder ? () => onOpenAlbumFolder(album.id) : undefined}
+                onReDownloadAlbum={onReDownloadAlbum ? () => onReDownloadAlbum(album.id) : undefined}
+                onclick={() => { onAlbumClick?.(album.id); loadAlbumDownloadStatus(album.id); }}
               />
             {/each}
             <div class="spacer"></div>
@@ -582,7 +618,10 @@
                 onShareQobuz={onAlbumShareQobuz ? () => onAlbumShareQobuz(album.id) : undefined}
                 onShareSonglink={onAlbumShareSonglink ? () => onAlbumShareSonglink(album.id) : undefined}
                 onDownload={onAlbumDownload ? () => onAlbumDownload(album.id) : undefined}
-                onclick={() => onAlbumClick?.(album.id)}
+                isAlbumFullyDownloaded={isAlbumDownloaded(album.id)}
+                onOpenContainingFolder={onOpenAlbumFolder ? () => onOpenAlbumFolder(album.id) : undefined}
+                onReDownloadAlbum={onReDownloadAlbum ? () => onReDownloadAlbum(album.id) : undefined}
+                onclick={() => { onAlbumClick?.(album.id); loadAlbumDownloadStatus(album.id); }}
               />
             {/each}
             <div class="spacer"></div>
@@ -606,7 +645,10 @@
                 onShareQobuz={onAlbumShareQobuz ? () => onAlbumShareQobuz(album.id) : undefined}
                 onShareSonglink={onAlbumShareSonglink ? () => onAlbumShareSonglink(album.id) : undefined}
                 onDownload={onAlbumDownload ? () => onAlbumDownload(album.id) : undefined}
-                onclick={() => onAlbumClick?.(album.id)}
+                isAlbumFullyDownloaded={isAlbumDownloaded(album.id)}
+                onOpenContainingFolder={onOpenAlbumFolder ? () => onOpenAlbumFolder(album.id) : undefined}
+                onReDownloadAlbum={onReDownloadAlbum ? () => onReDownloadAlbum(album.id) : undefined}
+                onclick={() => { onAlbumClick?.(album.id); loadAlbumDownloadStatus(album.id); }}
               />
             {/each}
             <div class="spacer"></div>
@@ -630,7 +672,10 @@
                 onShareQobuz={onAlbumShareQobuz ? () => onAlbumShareQobuz(album.id) : undefined}
                 onShareSonglink={onAlbumShareSonglink ? () => onAlbumShareSonglink(album.id) : undefined}
                 onDownload={onAlbumDownload ? () => onAlbumDownload(album.id) : undefined}
-                onclick={() => onAlbumClick?.(album.id)}
+                isAlbumFullyDownloaded={isAlbumDownloaded(album.id)}
+                onOpenContainingFolder={onOpenAlbumFolder ? () => onOpenAlbumFolder(album.id) : undefined}
+                onReDownloadAlbum={onReDownloadAlbum ? () => onReDownloadAlbum(album.id) : undefined}
+                onclick={() => { onAlbumClick?.(album.id); loadAlbumDownloadStatus(album.id); }}
               />
             {/each}
             <div class="spacer"></div>
@@ -711,7 +756,10 @@
                 onShareQobuz={onAlbumShareQobuz ? () => onAlbumShareQobuz(album.id) : undefined}
                 onShareSonglink={onAlbumShareSonglink ? () => onAlbumShareSonglink(album.id) : undefined}
                 onDownload={onAlbumDownload ? () => onAlbumDownload(album.id) : undefined}
-                onclick={() => onAlbumClick?.(album.id)}
+                isAlbumFullyDownloaded={isAlbumDownloaded(album.id)}
+                onOpenContainingFolder={onOpenAlbumFolder ? () => onOpenAlbumFolder(album.id) : undefined}
+                onReDownloadAlbum={onReDownloadAlbum ? () => onReDownloadAlbum(album.id) : undefined}
+                onclick={() => { onAlbumClick?.(album.id); loadAlbumDownloadStatus(album.id); }}
               />
             {/each}
             <div class="spacer"></div>

src/routes/+page.svelte

@@ -1012,6 +1012,48 @@
     }
   }
 
+  async function openAlbumFolderById(albumId: string) {
+    try {
+      await openAlbumFolder(albumId);
+    } catch (err) {
+      console.error('Failed to open album folder:', err);
+      showToast('Failed to open album folder', 'error');
+    }
+  }
+
+  async function reDownloadAlbumById(albumId: string) {
+    try {
+      const album = await invoke<QobuzAlbum>('get_album', { albumId });
+      if (!album || !album.tracks || album.tracks.data.length === 0) {
+        showToast('Failed to load album for re-download', 'error');
+        return;
+      }
+
+      showToast(`Re-downloading all tracks from "${album.title}"`, 'info');
+
+      for (const track of album.tracks.data) {
+        try {
+          await downloadTrack({
+            id: track.id,
+            title: track.title,
+            artist: track.performer?.name || album.artist?.name || 'Unknown',
+            album: album.title,
+            albumId: album.id,
+            durationSecs: track.duration,
+            quality: track.hires ? 'Hi-Res' : '-',
+            bitDepth: track.maximum_bit_depth,
+            sampleRate: track.maximum_sampling_rate,
+          });
+        } catch (err) {
+          console.error(`Failed to queue re-download for "${track.title}":`, err);
+        }
+      }
+    } catch (err) {
+      console.error('Failed to load album:', err);
+      showToast('Failed to load album for re-download', 'error');
+    }
+  }
+
   function getTrackDownloadStatus(trackId: number) {
     // Access downloadStateVersion to trigger reactivity
     void downloadStateVersion;
@@ -1398,6 +1440,28 @@
   // Download state update trigger
   let downloadStateVersion = $state(0);
 
+  // Cache for album download statuses
+  const albumDownloadCache = new Map<string, boolean>();
+
+  async function checkAlbumFullyDownloaded(albumId: string): Promise<boolean> {
+    // Trigger reactivity with downloadStateVersion
+    void downloadStateVersion;
+    
+    try {
+      const isDownloaded = await invoke<boolean>('check_album_fully_downloaded', { albumId });
+      albumDownloadCache.set(albumId, isDownloaded);
+      return isDownloaded;
+    } catch {
+      albumDownloadCache.set(albumId, false);
+      return false;
+    }
+  }
+
+  function getAlbumDownloadStatus(albumId: string): boolean {
+    void downloadStateVersion;
+    return albumDownloadCache.get(albumId) || false;
+  }
+
   onMount(() => {
     // Bootstrap app (theme, mouse nav, Last.fm restore)
     const { cleanup: cleanupBootstrap } = bootstrapApp();
@@ -1719,6 +1783,10 @@
           onAlbumShareQobuz={shareAlbumQobuzLinkById}
           onAlbumShareSonglink={shareAlbumSonglinkById}
           onAlbumDownload={downloadAlbumById}
+          onOpenAlbumFolder={openAlbumFolderById}
+          onReDownloadAlbum={reDownloadAlbumById}
+          checkAlbumFullyDownloaded={checkAlbumFullyDownloaded}
+          {downloadStateVersion}
           onArtistClick={handleArtistClick}
           onTrackPlay={handleDisplayTrackPlay}
         />
@@ -1731,6 +1799,10 @@
           onAlbumShareQobuz={shareAlbumQobuzLinkById}
           onAlbumShareSonglink={shareAlbumSonglinkById}
           onAlbumDownload={downloadAlbumById}
+          onOpenAlbumFolder={openAlbumFolderById}
+          onReDownloadAlbum={reDownloadAlbumById}
+          checkAlbumFullyDownloaded={checkAlbumFullyDownloaded}
+          {downloadStateVersion}
           onTrackPlay={handleTrackPlay}
           onTrackPlayNext={queueQobuzTrackNext}
           onTrackPlayLater={queueQobuzTrackLater}
@@ -1790,6 +1862,10 @@
           onAlbumShareQobuz={shareAlbumQobuzLinkById}
           onAlbumShareSonglink={shareAlbumSonglinkById}
           onAlbumDownload={downloadAlbumById}
+          onOpenAlbumFolder={openAlbumFolderById}
+          onReDownloadAlbum={reDownloadAlbumById}
+          checkAlbumFullyDownloaded={checkAlbumFullyDownloaded}
+          {downloadStateVersion}
           onLoadMore={loadMoreArtistAlbums}
           isLoadingMore={isArtistAlbumsLoading}
           onTrackPlay={handleDisplayTrackPlay}
@@ -1845,6 +1921,10 @@
           onAlbumShareQobuz={shareAlbumQobuzLinkById}
           onAlbumShareSonglink={shareAlbumSonglinkById}
           onAlbumDownload={downloadAlbumById}
+          onOpenAlbumFolder={openAlbumFolderById}
+          onReDownloadAlbum={reDownloadAlbumById}
+          checkAlbumFullyDownloaded={checkAlbumFullyDownloaded}
+          {downloadStateVersion}
           onTrackPlay={handleDisplayTrackPlay}
           onArtistClick={handleArtistClick}
           onTrackPlayNext={queuePlaylistTrackNext}
@@ -1858,7 +1938,6 @@
           onTrackDownload={handleDisplayTrackDownload}
           onTrackRemoveDownload={handleTrackRemoveDownload}
           getTrackDownloadStatus={getTrackDownloadStatus}
-          {downloadStateVersion}
         />
       {:else if activeView === 'playlist-manager'}
         <PlaylistManagerView