Add filters for rss and videos widgets

internal/glance/templates/videos-grid.html

@@ -1,8 +1,11 @@
 {{ template "widget-base.html" . }}
 
-{{ define "widget-content-classes" }}widget-content-frameless{{ end }}
+{{ define "widget-content-classes" }}{{ if not .Filters.AllFiltered }}widget-content-frameless{{ end }}{{ end }}
 
 {{ define "widget-content" }}
+{{ if .Filters.AllFiltered }}
+<p>No videos match the specified filters ({{ .Filters.FilteredCount }} filtered)</p>
+{{ else }}
 <div class="cards-grid collapsible-container" data-collapse-after-rows="{{ .CollapseAfterRows }}">
     {{ range .Videos }}
     <div class="card widget-content-frame thumbnail-parent">
@@ -11,3 +14,4 @@
     {{ end }}
 </div>
 {{ end }}
+{{ end }}

internal/glance/templates/videos-vertical-list.html

@@ -1,6 +1,9 @@
 {{ template "widget-base.html" . }}
 
 {{- define "widget-content" }}
+{{ if .Filters.AllFiltered }}
+<p>No videos match the specified filters ({{ .Filters.FilteredCount }} filtered)</p>
+{{ else }}
 <ul class="list list-gap-14 collapsible-container" data-collapse-after="{{ .CollapseAfter }}">
     {{- range .Videos }}
     <li class="flex thumbnail-parent gap-10 items-center">
@@ -17,4 +20,5 @@
     </li>
     {{- end }}
 </ul>
+{{ end }}
 {{- end }}

internal/glance/templates/videos.html

@@ -1,8 +1,11 @@
 {{ template "widget-base.html" . }}
 
-{{ define "widget-content-classes" }}widget-content-frameless{{ end }}
+{{ define "widget-content-classes" }}{{ if not .Filters.AllFiltered }}widget-content-frameless{{ end }}{{ end }}
 
 {{ define "widget-content" }}
+{{ if .Filters.AllFiltered }}
+<p>No videos match the specified filters ({{ .Filters.FilteredCount }} filtered)</p>
+{{ else }}
 <div class="carousel-container">
     <div class="cards-horizontal carousel-items-container">
         {{ range .Videos }}
@@ -13,3 +16,4 @@
     </div>
 </div>
 {{ end }}
+{{ end }}

internal/glance/widget-rss.go

@@ -44,6 +44,8 @@ type rssWidget struct {
 
 	cachedFeedsMutex sync.Mutex
 	cachedFeeds      map[string]*cachedRSSFeed `yaml:"-"`
+
+	Filters filterableFields[rssFeedItem] `yaml:"filters"`
 }
 
 func (widget *rssWidget) initialize() error {
@@ -71,13 +73,14 @@ func (widget *rssWidget) initialize() error {
 		}
 	}
 
-	widget.NoItemsMessage = "No items were returned from the feeds."
 	widget.cachedFeeds = make(map[string]*cachedRSSFeed)
 
 	return nil
 }
 
 func (widget *rssWidget) update(ctx context.Context) {
+	widget.NoItemsMessage = "No items were returned from the feeds."
+
 	items, err := widget.fetchItemsFromFeeds()
 
 	if !widget.canContinueUpdateAfterHandlingErr(err) {
@@ -88,6 +91,15 @@ func (widget *rssWidget) update(ctx context.Context) {
 		items.sortByNewest()
 	}
 
+	items = widget.Filters.Apply(items)
+
+	if widget.Filters.AllFiltered {
+		widget.NoItemsMessage = fmt.Sprintf(
+			"No items match the specified filters (%d filtered)",
+			widget.Filters.FilteredCount,
+		)
+	}
+
 	if len(items) > widget.Limit {
 		items = items[:widget.Limit]
 	}
@@ -128,6 +140,19 @@ type rssFeedItem struct {
 	PublishedAt time.Time
 }
 
+func (i rssFeedItem) filterableField(field string) any {
+	switch field {
+	case "title":
+		return i.Title
+	case "description":
+		return i.Description
+	case "posted":
+		return i.PublishedAt
+	default:
+		return nil
+	}
+}
+
 type rssFeedRequest struct {
 	URL             string            `yaml:"url"`
 	Title           string            `yaml:"title"`

internal/glance/widget-videos.go

@@ -32,6 +32,8 @@ type videosWidget struct {
 	Limit             int       `yaml:"limit"`
 	IncludeShorts     bool      `yaml:"include-shorts"`
 	SortBy            string    `yaml:"sort-by"`
+
+	Filters filterableFields[video] `yaml:"filters"`
 }
 
 func (widget *videosWidget) initialize() error {
@@ -71,6 +73,8 @@ func (widget *videosWidget) update(ctx context.Context) {
 		return
 	}
 
+	videos = widget.Filters.Apply(videos)
+
 	if len(videos) > widget.Limit {
 		videos = videos[:widget.Limit]
 	}
@@ -131,6 +135,19 @@ type video struct {
 	TimeUpdated  time.Time
 }
 
+func (v video) filterableField(field string) any {
+	switch field {
+	case "title":
+		return v.Title
+	case "posted":
+		return v.TimePosted
+	case "updated":
+		return v.TimeUpdated
+	default:
+		return nil
+	}
+}
+
 type videoList []video
 
 func (v videoList) sortByPosted() videoList {
@@ -154,9 +171,8 @@ func fetchYoutubeChannelUploads(channelOrPlaylistIDs []string, videoUrlTemplate
 
 	for i := range channelOrPlaylistIDs {
 		var feedUrl string
-		if strings.HasPrefix(channelOrPlaylistIDs[i], videosWidgetPlaylistPrefix) {
-			feedUrl = "https://www.youtube.com/feeds/videos.xml?playlist_id=" +
-				strings.TrimPrefix(channelOrPlaylistIDs[i], videosWidgetPlaylistPrefix)
+		if after, ok := strings.CutPrefix(channelOrPlaylistIDs[i], videosWidgetPlaylistPrefix); ok {
+			feedUrl = "https://www.youtube.com/feeds/videos.xml?playlist_id=" + after
 		} else if !includeShorts && strings.HasPrefix(channelOrPlaylistIDs[i], "UC") {
 			playlistId := strings.Replace(channelOrPlaylistIDs[i], "UC", "UULF", 1)
 			feedUrl = "https://www.youtube.com/feeds/videos.xml?playlist_id=" + playlistId