refactor: split modules and harden scraping workflows

web/src/pages/discoverPageModel.ts

@@ -0,0 +1,39 @@
+import type { DiscoverItem, DiscoverSection } from '../api/discover'
+
+export const defaultSections = [
+  'tmdb_trending_day',
+  'douban_hot_movie',
+  'douban_hot_tv',
+  'bangumi_calendar',
+]
+
+export const discoverStorageKey = 'mediastation.discover.sections'
+
+export const defaultSectionDefs: DiscoverSection[] = [
+  { key: 'tmdb_trending_day', label: 'TMDb 今日趋势', provider: 'tmdb' },
+  { key: 'tmdb_popular_movie', label: 'TMDb 热门电影', provider: 'tmdb' },
+  { key: 'douban_hot_movie', label: '豆瓣热门电影', provider: 'douban' },
+  { key: 'douban_hot_tv', label: '豆瓣热门剧集', provider: 'douban' },
+  { key: 'bangumi_calendar', label: 'Bangumi 每日放送', provider: 'bangumi' },
+]
+
+export function discoverItemSource(item: DiscoverItem): string {
+  return item.source || (item.bangumi_id ? 'bangumi' : item.douban_id ? 'douban' : 'tmdb')
+}
+
+export function readSavedSections(sections: DiscoverSection[]): string[] {
+  try {
+    const raw = window.localStorage.getItem(discoverStorageKey)
+    if (!raw) return []
+    const parsed = JSON.parse(raw)
+    if (!Array.isArray(parsed)) return []
+    const allowed = new Set(sections.map((section) => section.key))
+    return parsed.filter((key) => typeof key === 'string' && allowed.has(key))
+  } catch {
+    return []
+  }
+}
+
+export function buildSubscribeKeyword(item: DiscoverItem): string {
+  return [item.title, item.year && item.year > 0 ? item.year : ''].filter(Boolean).join(' ')
+}