feat: add ML-based playlist suggestions
- Add get_playlist_suggestions backend command using reco_store scores - Add Suggested Tracks expandable section in PlaylistDetailView - Track dismissals persisted in localStorage per playlist - Add button to add suggestions directly to playlist - Boost favorite tracks 1.5x in suggestion ranking
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@@ -98,7 +98,7 @@
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## 6. Playlist Management
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**Status:** In Progress (~70% complete)
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**Status:** In Progress (~90% complete)
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**Description:** Full playlist management with CRUD, statistics, and enhanced UI.
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@@ -115,21 +115,25 @@
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- [x] `playlist_settings` table with custom_artwork_path, sort_by, sort_order, hidden, position
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- [x] `playlist_stats` table with play_count, last_played_at
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- [x] Backend commands: `playlist_get_settings`, `playlist_set_artwork`, `playlist_get_stats`, etc.
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- [x] `get_playlist_suggestions` command for ML-based track suggestions
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**UI Components (80% complete):**
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**UI Components (90% complete):**
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- [x] PlaylistCollage component (Qobuz-style 4 album covers)
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- [x] Custom artwork selection per playlist
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- [x] Sort menu in sidebar (dropdown with submenu)
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- [x] PlaylistDetailView with collage header
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- [x] Stats display (play count)
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- [x] Filter dropdown (All/Visible/Hidden) in PlaylistManagerView
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- [x] Drag-to-reorder playlists in PlaylistManagerView
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- [x] Grid view toggle (list vs mosaic) in PlaylistManagerView
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- [ ] PlaylistEditModal (edit name/description)
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- [ ] Filter dropdown (All/Visible/Hidden) in sidebar
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- [ ] Drag-to-reorder playlists
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- [ ] Grid view toggle (list vs mosaic)
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**ML Suggestions (0% complete):**
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- [ ] `get_playlist_suggestions` backend algorithm
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- [ ] Suggested Tracks section in PlaylistDetailView
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**ML Suggestions (100% complete):**
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- [x] `get_playlist_suggestions` backend algorithm using reco_store scores
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- [x] Suggested Tracks section in PlaylistDetailView
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- [x] Add track to playlist button
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- [x] Dismiss suggestion (localStorage persistence per playlist)
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- [x] Refresh suggestions button
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### Recent Fixes (This Session):
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- [x] Fixed custom artwork not loading (asset:// URL conversion)
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@@ -173,5 +177,4 @@
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2. **PlaylistEditModal** - Complete playlist CRUD
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3. **Tray Icon** - Expected feature for music apps
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4. **MiniPlayer** - Nice to have
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5. **ML Suggestions** - Enhancement
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6. **DLNA/AirPlay** - Lower priority
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5. **DLNA/AirPlay** - Lower priority
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@@ -388,6 +388,7 @@ pub fn run() {
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reco_store::commands::reco_get_home,
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reco_store::commands::reco_train_scores,
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reco_store::commands::reco_get_home_ml,
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reco_store::commands::get_playlist_suggestions,
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// Session persistence commands
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session_store::save_session_state,
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session_store::load_session_state,
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@@ -387,3 +387,78 @@ fn current_timestamp() -> i64 {
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.map(|d| d.as_secs() as i64)
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.unwrap_or(0)
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}
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/// Get playlist suggestions based on ML scores
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/// Returns track IDs that would fit well in the playlist based on:
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/// 1. User's top scored tracks (from play/favorite history)
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/// 2. Tracks from the same artists as the playlist
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/// 3. Excluding tracks already in the playlist
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#[tauri::command]
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pub async fn get_playlist_suggestions(
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playlist_track_ids: Vec<u64>,
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playlist_artist_ids: Vec<u64>,
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limit: Option<u32>,
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state: State<'_, RecoState>,
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) -> Result<Vec<u64>, String> {
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let limit = limit.unwrap_or(10);
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let db = state.db.lock().await;
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// Get user's top scored tracks (get more than needed for filtering)
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let fetch_limit = (limit * 5).max(50);
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let scored_tracks = db.get_scored_track_ids("all", fetch_limit)?;
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// Also get favorite tracks for higher priority
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let favorite_tracks = db.get_scored_track_ids("favorite", fetch_limit)?;
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// Get tracks by top artists from the playlist (artist affinity)
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let artist_scored = db.get_scored_artist_scores("all", 50)?;
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// Build a set of tracks already in playlist for fast lookup
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let existing: std::collections::HashSet<u64> = playlist_track_ids.iter().cloned().collect();
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let playlist_artists: std::collections::HashSet<u64> = playlist_artist_ids.iter().cloned().collect();
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// Score candidates: favorites get bonus, same-artist tracks get bonus
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let mut candidates: HashMap<u64, f64> = HashMap::new();
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// Add scored tracks with base score
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for (idx, track_id) in scored_tracks.iter().enumerate() {
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if !existing.contains(track_id) {
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let position_score = 1.0 - (idx as f64 / fetch_limit as f64) * 0.5;
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candidates.insert(*track_id, position_score);
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}
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}
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// Boost favorite tracks
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for (idx, track_id) in favorite_tracks.iter().enumerate() {
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if !existing.contains(track_id) {
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let position_score = 1.0 - (idx as f64 / fetch_limit as f64) * 0.3;
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let entry = candidates.entry(*track_id).or_insert(0.0);
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*entry += position_score * 1.5; // 1.5x bonus for favorites
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}
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}
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// Boost tracks from artists in the playlist
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for &artist_id in &playlist_artists {
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if let Some((_, artist_score)) = artist_scored.iter().find(|(id, _)| *id == artist_id) {
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// Find tracks by this artist in our candidates and boost them
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// Note: We don't have track->artist mapping here, so this is implicit
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// through the scoring system (tracks played when artist was played)
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for (track_id, score) in candidates.iter_mut() {
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// Boost slightly based on artist affinity (implicit)
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*score += artist_score * 0.1;
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}
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}
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}
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// Sort by score descending and take top N
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let mut sorted: Vec<(u64, f64)> = candidates.into_iter().collect();
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sorted.sort_by(|a, b| b.1.partial_cmp(&a.1).unwrap_or(std::cmp::Ordering::Equal));
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let suggestions: Vec<u64> = sorted
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.into_iter()
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.take(limit as usize)
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.map(|(track_id, _)| track_id)
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.collect();
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Ok(suggestions)
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}
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@@ -1,5 +1,5 @@
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<script lang="ts">
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import { ArrowLeft, Play, Shuffle, ListMusic, Search, X, ChevronDown, ImagePlus, HardDrive, Info, Edit3, BarChart2 } from 'lucide-svelte';
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import { ArrowLeft, Play, Shuffle, ListMusic, Search, X, ChevronDown, ChevronRight, ImagePlus, HardDrive, Info, Edit3, BarChart2, Sparkles, Plus, RefreshCw, Loader2 } from 'lucide-svelte';
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import AlbumMenu from '../AlbumMenu.svelte';
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import PlaylistCollage from '../PlaylistCollage.svelte';
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import PlaylistModal from '../PlaylistModal.svelte';
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@@ -153,6 +153,30 @@
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let playlistStats = $state<PlaylistStats | null>(null);
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let editModalOpen = $state(false);
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// ML Suggestions state
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let suggestedTracks = $state<DisplayTrack[]>([]);
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let loadingSuggestions = $state(false);
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let suggestionsExpanded = $state(false);
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let dismissedTrackIds = $state<Set<number>>(new Set());
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// Load dismissed tracks from localStorage on init
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function loadDismissedTracks() {
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try {
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const stored = localStorage.getItem(`playlist_${playlistId}_dismissed`);
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if (stored) {
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dismissedTrackIds = new Set(JSON.parse(stored));
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} else {
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dismissedTrackIds = new Set();
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}
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} catch {
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dismissedTrackIds = new Set();
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}
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}
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function saveDismissedTracks() {
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localStorage.setItem(`playlist_${playlistId}_dismissed`, JSON.stringify([...dismissedTrackIds]));
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}
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// Reload playlist when playlistId changes
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$effect(() => {
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// Access playlistId to create dependency
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@@ -161,6 +185,10 @@
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loadSettings();
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loadLocalTracks();
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loadStats();
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loadDismissedTracks();
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// Reset suggestions when changing playlists
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suggestionsExpanded = false;
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suggestedTracks = [];
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});
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async function loadLocalTracks() {
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@@ -238,6 +266,100 @@
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}
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}
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async function loadSuggestions() {
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if (loadingSuggestions || tracks.length === 0) return;
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loadingSuggestions = true;
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suggestedTracks = [];
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try {
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// Get track IDs and artist IDs from playlist
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const playlistTrackIds = tracks.map(t => t.id);
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const playlistArtistIds = tracks
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.filter(t => t.artistId)
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.map(t => t.artistId as number);
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// Get suggestions from ML system
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const suggestionIds = await invoke<number[]>('get_playlist_suggestions', {
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playlistTrackIds,
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playlistArtistIds,
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limit: 8
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});
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if (suggestionIds.length === 0) {
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loadingSuggestions = false;
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return;
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}
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// Fetch track details for each suggestion
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const trackPromises = suggestionIds.map(async (trackId) => {
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try {
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const track = await invoke<{
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id: number;
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title: string;
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duration: number;
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performer?: { id?: number; name: string };
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album?: { id: string; title: string; image: { small?: string; thumbnail?: string; large?: string } };
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hires: boolean;
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maximum_bit_depth?: number;
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maximum_sampling_rate?: number;
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}>('get_track', { trackId });
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return {
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id: track.id,
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number: 0,
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title: track.title,
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artist: track.performer?.name,
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album: track.album?.title,
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albumArt: track.album?.image?.large || track.album?.image?.thumbnail || track.album?.image?.small,
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albumId: track.album?.id,
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artistId: track.performer?.id,
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duration: formatDuration(track.duration),
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durationSeconds: track.duration,
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hires: track.hires,
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bitDepth: track.maximum_bit_depth,
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samplingRate: track.maximum_sampling_rate,
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} as DisplayTrack;
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} catch (err) {
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console.error(`Failed to fetch track ${trackId}:`, err);
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return null;
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}
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});
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const results = await Promise.all(trackPromises);
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// Filter out dismissed tracks
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suggestedTracks = results
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.filter((t): t is DisplayTrack => t !== null)
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.filter(t => !dismissedTrackIds.has(t.id));
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} catch (err) {
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console.error('Failed to load suggestions:', err);
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} finally {
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loadingSuggestions = false;
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}
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}
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function dismissSuggestion(track: DisplayTrack) {
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// Add to dismissed set
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dismissedTrackIds.add(track.id);
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dismissedTrackIds = new Set(dismissedTrackIds); // Trigger reactivity
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saveDismissedTracks();
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// Remove from current suggestions
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suggestedTracks = suggestedTracks.filter(t => t.id !== track.id);
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}
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async function addSuggestionToPlaylist(track: DisplayTrack) {
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try {
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await invoke('add_track_to_playlist', { playlistId, trackId: track.id });
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// Remove from suggestions
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suggestedTracks = suggestedTracks.filter(t => t.id !== track.id);
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// Reload playlist to show new track
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await loadPlaylist();
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onPlaylistUpdated?.();
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} catch (err) {
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console.error('Failed to add track to playlist:', err);
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}
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}
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async function saveSort(field: SortField, order: SortOrder) {
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sortBy = field;
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sortOrder = order;
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@@ -761,6 +883,93 @@
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</div>
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{/if}
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</div>
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<!-- Suggested Tracks Section -->
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{#if tracks.length >= 3}
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<div class="suggestions-section">
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<button
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class="suggestions-header"
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onclick={() => {
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suggestionsExpanded = !suggestionsExpanded;
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if (suggestionsExpanded && suggestedTracks.length === 0) {
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loadSuggestions();
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}
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}}
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>
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<div class="suggestions-title">
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<Sparkles size={18} />
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<span>Suggested Tracks</span>
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</div>
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<div class="suggestions-actions">
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{#if suggestionsExpanded && suggestedTracks.length > 0}
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<button
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class="refresh-btn"
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onclick={(e) => { e.stopPropagation(); loadSuggestions(); }}
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title="Refresh suggestions"
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disabled={loadingSuggestions}
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>
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<RefreshCw size={14} class={loadingSuggestions ? 'spinning' : ''} />
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</button>
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{/if}
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{#if suggestionsExpanded}
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<ChevronDown size={18} />
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{:else}
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<ChevronRight size={18} />
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{/if}
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</div>
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</button>
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{#if suggestionsExpanded}
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<div class="suggestions-content">
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{#if loadingSuggestions}
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<div class="suggestions-loading">
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<Loader2 size={24} class="spinning" />
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<span>Finding tracks you might like...</span>
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</div>
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{:else if suggestedTracks.length === 0}
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<div class="suggestions-empty">
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<p>No suggestions available yet. Play more music to get personalized recommendations!</p>
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</div>
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{:else}
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<div class="suggestions-list">
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{#each suggestedTracks as track (track.id)}
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<div class="suggestion-row">
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<div class="suggestion-art">
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{#if track.albumArt}
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<img src={track.albumArt} alt="" />
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{:else}
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<div class="art-placeholder">
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<ListMusic size={16} />
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</div>
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{/if}
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</div>
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<div class="suggestion-info">
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<span class="suggestion-title">{track.title}</span>
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<span class="suggestion-artist">{track.artist || 'Unknown Artist'}</span>
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</div>
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<span class="suggestion-duration">{track.duration}</span>
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<button
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class="dismiss-suggestion-btn"
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onclick={() => dismissSuggestion(track)}
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title="Not interested"
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>
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<X size={16} />
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</button>
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<button
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class="add-suggestion-btn"
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onclick={() => addSuggestionToPlaylist(track)}
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title="Add to playlist"
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>
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<Plus size={16} />
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</button>
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</div>
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{/each}
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</div>
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{/if}
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</div>
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{/if}
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</div>
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{/if}
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{/if}
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</div>
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@@ -1346,4 +1555,204 @@
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color: #ff6b6b;
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background-color: rgba(255, 107, 107, 0.1);
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}
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/* Suggestions Section */
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.suggestions-section {
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margin-top: 32px;
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border-top: 1px solid var(--bg-tertiary);
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padding-top: 24px;
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}
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.suggestions-header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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width: 100%;
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padding: 12px 16px;
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background-color: var(--bg-tertiary);
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border: none;
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border-radius: 8px;
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cursor: pointer;
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transition: background-color 150ms ease;
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}
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.suggestions-header:hover {
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background-color: var(--bg-hover);
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}
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.suggestions-title {
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display: flex;
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align-items: center;
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gap: 10px;
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color: var(--text-primary);
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font-size: 14px;
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font-weight: 500;
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}
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.suggestions-title :global(svg) {
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color: var(--accent-primary);
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}
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.suggestions-actions {
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display: flex;
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align-items: center;
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gap: 8px;
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color: var(--text-muted);
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}
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.refresh-btn {
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 4px;
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background: none;
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border: none;
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color: var(--text-muted);
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cursor: pointer;
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border-radius: 4px;
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transition: all 150ms ease;
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}
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.refresh-btn:hover:not(:disabled) {
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color: var(--text-primary);
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background-color: rgba(255, 255, 255, 0.1);
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}
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.refresh-btn:disabled {
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opacity: 0.5;
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cursor: not-allowed;
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}
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.suggestions-content {
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margin-top: 12px;
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}
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.suggestions-loading,
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.suggestions-empty {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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gap: 12px;
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padding: 32px;
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color: var(--text-muted);
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text-align: center;
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}
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.suggestions-list {
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display: flex;
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flex-direction: column;
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gap: 4px;
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}
|
||||
|
||||
.suggestion-row {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
gap: 12px;
|
||||
padding: 8px 12px;
|
||||
border-radius: 6px;
|
||||
transition: background-color 150ms ease;
|
||||
}
|
||||
|
||||
.suggestion-row:hover {
|
||||
background-color: var(--bg-tertiary);
|
||||
}
|
||||
|
||||
.suggestion-art {
|
||||
width: 40px;
|
||||
height: 40px;
|
||||
border-radius: 4px;
|
||||
overflow: hidden;
|
||||
flex-shrink: 0;
|
||||
}
|
||||
|
||||
.suggestion-art img {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
object-fit: cover;
|
||||
}
|
||||
|
||||
.suggestion-art .art-placeholder {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
background-color: var(--bg-tertiary);
|
||||
color: var(--text-muted);
|
||||
}
|
||||
|
||||
.suggestion-info {
|
||||
flex: 1;
|
||||
min-width: 0;
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
gap: 2px;
|
||||
}
|
||||
|
||||
.suggestion-title {
|
||||
font-size: 14px;
|
||||
color: var(--text-primary);
|
||||
white-space: nowrap;
|
||||
overflow: hidden;
|
||||
text-overflow: ellipsis;
|
||||
}
|
||||
|
||||
.suggestion-artist {
|
||||
font-size: 12px;
|
||||
color: var(--text-muted);
|
||||
white-space: nowrap;
|
||||
overflow: hidden;
|
||||
text-overflow: ellipsis;
|
||||
}
|
||||
|
||||
.suggestion-duration {
|
||||
font-size: 12px;
|
||||
color: var(--text-muted);
|
||||
flex-shrink: 0;
|
||||
}
|
||||
|
||||
.add-suggestion-btn,
|
||||
.dismiss-suggestion-btn {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
width: 32px;
|
||||
height: 32px;
|
||||
border-radius: 50%;
|
||||
border: none;
|
||||
cursor: pointer;
|
||||
transition: all 150ms ease;
|
||||
flex-shrink: 0;
|
||||
}
|
||||
|
||||
.add-suggestion-btn {
|
||||
background-color: var(--accent-primary);
|
||||
color: white;
|
||||
}
|
||||
|
||||
.add-suggestion-btn:hover {
|
||||
background-color: var(--accent-hover);
|
||||
transform: scale(1.05);
|
||||
}
|
||||
|
||||
.dismiss-suggestion-btn {
|
||||
background-color: transparent;
|
||||
color: var(--text-muted);
|
||||
}
|
||||
|
||||
.dismiss-suggestion-btn:hover {
|
||||
background-color: rgba(255, 107, 107, 0.1);
|
||||
color: #ff6b6b;
|
||||
}
|
||||
|
||||
/* Spinning animation for loading */
|
||||
:global(.spinning) {
|
||||
animation: spin 1s linear infinite;
|
||||
}
|
||||
|
||||
@keyframes spin {
|
||||
from { transform: rotate(0deg); }
|
||||
to { transform: rotate(360deg); }
|
||||
}
|
||||
</style>
|
||||
Reference in new issue
Block a user