add search + iterative loading to favorites page

ui/browsing/favoritespage.go

@@ -1,44 +1,86 @@
 package browsing
 
 import (
-	"log"
 	"supersonic/backend"
 	"supersonic/ui/widgets"
+	"time"
 
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/container"
 	"fyne.io/fyne/v2/layout"
 	"fyne.io/fyne/v2/theme"
 	"fyne.io/fyne/v2/widget"
+	"github.com/dweymouth/go-subsonic"
 )
 
 type FavoritesPage struct {
 	widget.BaseWidget
 
-	im        *backend.ImageManager
-	sm        *backend.ServerManager
-	nav       func(Route)
-	grid      *widgets.AlbumGrid
-	titleDisp *widget.RichText
-	container *fyne.Container
+	im         *backend.ImageManager
+	sm         *backend.ServerManager
+	lm         *backend.LibraryManager
+	nav        func(Route)
+	grid       *widgets.AlbumGrid
+	searchGrid *widgets.AlbumGrid
+	searcher   *widgets.Searcher
+	searchText string
+	titleDisp  *widget.RichText
+	container  *fyne.Container
 
 	OnPlayAlbum func(string, int)
 }
 
-func NewFavoritesPage(sm *backend.ServerManager, im *backend.ImageManager, nav func(Route)) *FavoritesPage {
+func NewFavoritesPage(sm *backend.ServerManager, lm *backend.LibraryManager, im *backend.ImageManager, nav func(Route)) *FavoritesPage {
 	a := &FavoritesPage{
+		lm:  lm,
 		sm:  sm,
 		im:  im,
 		nav: nav,
 	}
 	a.ExtendBaseWidget(a)
+	a.createTitle()
+	iter := lm.StarredIter()
+	a.grid = widgets.NewAlbumGrid(iter, im, false)
+	a.grid.OnPlayAlbum = a.onPlayAlbum
+	a.grid.OnShowAlbumPage = a.onShowAlbumPage
+	a.grid.OnShowArtistPage = a.onShowArtistPage
+	a.searcher = widgets.NewSearcher()
+	a.searcher.OnSearched = a.OnSearched
+	a.createContainer()
+	return a
+}
+
+func (a *FavoritesPage) createTitle() {
 	a.titleDisp = widget.NewRichTextWithText("Favorites")
 	a.titleDisp.Segments[0].(*widget.TextSegment).Style = widget.RichTextStyle{
 		SizeName: theme.SizeNameHeadingText,
 	}
+}
+
+func (a *FavoritesPage) createContainer() {
+	searchVbox := container.NewVBox(layout.NewSpacer(), a.searcher.Entry, layout.NewSpacer())
 	a.container = container.NewBorder(
-		container.NewHBox(widgets.NewHSpace(9), a.titleDisp), nil, nil, nil, layout.NewSpacer())
-	a.loadAsync()
+		container.NewHBox(widgets.NewHSpace(9), a.titleDisp, layout.NewSpacer(), searchVbox, widgets.NewHSpace(15)),
+		nil, nil, nil, a.grid)
+}
+
+func restoreFavoritesPage(saved *savedFavoritesPage) *FavoritesPage {
+	a := &FavoritesPage{
+		lm:  saved.lm,
+		sm:  saved.sm,
+		im:  saved.im,
+		nav: saved.nav,
+	}
+	a.ExtendBaseWidget(a)
+	a.createTitle()
+	a.grid = widgets.NewAlbumGridFromState(saved.gridState)
+	a.grid.OnPlayAlbum = a.onPlayAlbum
+	a.grid.OnShowAlbumPage = a.onShowAlbumPage
+	a.grid.OnShowArtistPage = a.onShowArtistPage
+	a.searcher = widgets.NewSearcher()
+	a.searcher.OnSearched = a.OnSearched
+	a.createContainer()
+
 	return a
 }
 
@@ -51,17 +93,48 @@ func (a *FavoritesPage) SetPlayAlbumCallback(cb func(string, int)) {
 }
 
 func (a *FavoritesPage) Reload() {
-	a.loadAsync()
+	a.grid.Reset(a.lm.StarredIter())
 }
 
 func (a *FavoritesPage) Save() SavedPage {
 	return &savedFavoritesPage{
-		sm:  a.sm,
-		im:  a.im,
-		nav: a.nav,
+		sm:        a.sm,
+		im:        a.im,
+		lm:        a.lm,
+		nav:       a.nav,
+		gridState: a.grid.SaveToState(),
 	}
 }
 
+func (a *FavoritesPage) OnSearched(query string) {
+	a.searchText = query
+	if query == "" {
+		a.container.Objects[0] = a.grid
+		if a.searchGrid != nil {
+			a.searchGrid.Clear()
+		}
+		a.Refresh()
+		return
+	}
+	a.doSearch(query)
+}
+
+func (a *FavoritesPage) doSearch(query string) {
+	iter := a.lm.SearchIterWithFilter(query, func(al *subsonic.AlbumID3) bool {
+		return al.Starred.After(time.Time{})
+	})
+	if a.searchGrid == nil {
+		a.searchGrid = widgets.NewAlbumGrid(iter, a.im, false /*showYear*/)
+		a.searchGrid.OnPlayAlbum = a.onPlayAlbum
+		a.searchGrid.OnShowAlbumPage = a.onShowAlbumPage
+		a.searchGrid.OnShowArtistPage = a.onShowArtistPage
+	} else {
+		a.searchGrid.Reset(iter)
+	}
+	a.container.Objects[0] = a.searchGrid
+	a.Refresh()
+}
+
 func (a *FavoritesPage) onPlayAlbum(albumID string) {
 	if a.OnPlayAlbum != nil {
 		a.OnPlayAlbum(albumID, 0)
@@ -72,19 +145,8 @@ func (a *FavoritesPage) onShowAlbumPage(albumID string) {
 	a.nav(AlbumRoute(albumID))
 }
 
-func (a *FavoritesPage) loadAsync() {
-	go func() {
-		starred, err := a.sm.Server.GetStarred2(nil)
-		if err != nil {
-			log.Printf("Failed to get favorites: %s", err.Error())
-			return
-		}
-		ag := widgets.NewFixedAlbumGrid(starred.Album, a.im, false /*showYear*/)
-		ag.OnPlayAlbum = a.onPlayAlbum
-		ag.OnShowAlbumPage = a.onShowAlbumPage
-		a.container.Objects[0] = ag
-		a.container.Refresh()
-	}()
+func (a *FavoritesPage) onShowArtistPage(artistID string) {
+	a.nav(ArtistRoute(artistID))
 }
 
 func (a *FavoritesPage) CreateRenderer() fyne.WidgetRenderer {
@@ -93,12 +155,13 @@ func (a *FavoritesPage) CreateRenderer() fyne.WidgetRenderer {
 }
 
 type savedFavoritesPage struct {
-	artistID string
-	sm       *backend.ServerManager
-	im       *backend.ImageManager
-	nav      func(Route)
+	sm        *backend.ServerManager
+	im        *backend.ImageManager
+	lm        *backend.LibraryManager
+	gridState widgets.AlbumGridState
+	nav       func(Route)
 }
 
 func (s *savedFavoritesPage) Restore() Page {
-	return NewFavoritesPage(s.sm, s.im, s.nav)
+	return restoreFavoritesPage(s)
 }

ui/browsing/router.go

@@ -107,7 +107,7 @@ func (r Router) CreatePage(rte Route) Page {
 	case Artists:
 		return NewArtistsGenresPage(false, r.App.ServerManager, r.OpenRoute)
 	case Favorites:
-		return NewFavoritesPage(r.App.ServerManager, r.App.ImageManager, r.OpenRoute)
+		return NewFavoritesPage(r.App.ServerManager, r.App.LibraryManager, r.App.ImageManager, r.OpenRoute)
 	case Genre:
 		return NewGenrePage(rte.Arg, r.App.LibraryManager, r.App.ImageManager, r.OpenRoute)
 	case Genres: