4, partial 5

src/types/feed.ts

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+/**
+ * Feed type definitions for PodTUI
+ */
+
+import type { Podcast } from "./podcast"
+import type { Episode, EpisodeStatus } from "./episode"
+
+/** Feed visibility */
+export enum FeedVisibility {
+  PUBLIC = "public",
+  PRIVATE = "private",
+}
+
+/** Feed information */
+export interface Feed {
+  /** Unique identifier */
+  id: string
+  /** Associated podcast */
+  podcast: Podcast
+  /** Episodes in this feed */
+  episodes: Episode[]
+  /** Whether feed is public or private */
+  visibility: FeedVisibility
+  /** Source ID that provided this feed */
+  sourceId: string
+  /** Last updated timestamp */
+  lastUpdated: Date
+  /** Custom feed name (user-defined) */
+  customName?: string
+  /** User notes about this feed */
+  notes?: string
+  /** Whether feed is pinned/favorited */
+  isPinned: boolean
+  /** Feed color for UI */
+  color?: string
+}
+
+/** Feed item for display in lists */
+export interface FeedItem {
+  /** Episode data */
+  episode: Episode
+  /** Parent podcast */
+  podcast: Podcast
+  /** Feed ID */
+  feedId: string
+  /** Episode status */
+  status: EpisodeStatus
+  /** Progress percentage (0-100) */
+  progressPercent: number
+  /** Whether this item is new (unplayed) */
+  isNew: boolean
+}
+
+/** Feed filter options */
+export interface FeedFilter {
+  /** Filter by visibility */
+  visibility?: FeedVisibility | "all"
+  /** Filter by source ID */
+  sourceId?: string
+  /** Filter by pinned status */
+  pinnedOnly?: boolean
+  /** Search query for filtering */
+  searchQuery?: string
+  /** Sort field */
+  sortBy?: FeedSortField
+  /** Sort direction */
+  sortDirection?: "asc" | "desc"
+}
+
+/** Feed sort fields */
+export enum FeedSortField {
+  /** Sort by last updated */
+  UPDATED = "updated",
+  /** Sort by title */
+  TITLE = "title",
+  /** Sort by episode count */
+  EPISODE_COUNT = "episodeCount",
+  /** Sort by most recent episode */
+  LATEST_EPISODE = "latestEpisode",
+}
+
+/** Feed list display options */
+export interface FeedListOptions {
+  /** Show episode count */
+  showEpisodeCount: boolean
+  /** Show last updated */
+  showLastUpdated: boolean
+  /** Show source indicator */
+  showSource: boolean
+  /** Compact mode */
+  compact: boolean
+}
+
+/** Default feed list options */
+export const DEFAULT_FEED_LIST_OPTIONS: FeedListOptions = {
+  showEpisodeCount: true,
+  showLastUpdated: true,
+  showSource: false,
+  compact: false,
+}
+
+/** Feed statistics */
+export interface FeedStats {
+  /** Total feed count */
+  totalFeeds: number
+  /** Public feed count */
+  publicFeeds: number
+  /** Private feed count */
+  privateFeeds: number
+  /** Total episode count across all feeds */
+  totalEpisodes: number
+  /** Unplayed episode count */
+  unplayedEpisodes: number
+  /** In-progress episode count */
+  inProgressEpisodes: number
+}