优化

internal/handler/media.go

@@ -47,7 +47,13 @@ func listLibrariesHandler(svc *service.Container) gin.HandlerFunc {
 		}
 		withPreview := c.Query("with_preview") == "1" || c.Query("with_preview") == "true"
 		if withPreview {
-			previews, err := svc.Media.ListLibrariesWithPreview(c.Request.Context(), libs, mediaVisibilityForRequest(c, svc), 10)
+			limit, _ := strconv.Atoi(c.DefaultQuery("preview_limit", c.DefaultQuery("limit", "10")))
+			if limit <= 0 {
+				limit = 10
+			} else if limit > 100 {
+				limit = 100
+			}
+			previews, err := svc.Media.ListLibrariesWithPreview(c.Request.Context(), libs, mediaVisibilityForRequest(c, svc), limit)
 			if err != nil {
 				c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 				return

internal/service/media_library.go

@@ -57,11 +57,18 @@ func (s *MediaService) ListLibrariesWithPreview(ctx context.Context, libraries [
 		}
 	}
 
+	fetchCount := cardLimit * 4
+	if fetchCount < 60 {
+		fetchCount = 60
+	} else if fetchCount > 200 {
+		fetchCount = 200
+	}
+
 	for i := range out {
 		if out[i].Total == 0 {
 			continue
 		}
-		items, _, err := s.repo.Media.ListByLibrariesFiltered(ctx, []string{out[i].ID}, 0, 60, filter)
+		items, _, err := s.repo.Media.ListByLibrariesFiltered(ctx, []string{out[i].ID}, 0, fetchCount, filter)
 		if err != nil {
 			continue
 		}

web/src/api/library.ts

@@ -87,12 +87,13 @@ export interface LibraryWithPreview extends Library {
 }
 
 export const libraryAPI = {
-  list: (options?: { includeHidden?: boolean; withPreview?: boolean }) =>
+  list: (options?: { includeHidden?: boolean; withPreview?: boolean; previewLimit?: number }) =>
     api
       .get<LibraryWithPreview[]>('/libraries', {
         params: {
           ...(options?.includeHidden ? { include_hidden: 1 } : {}),
           ...(options?.withPreview ? { with_preview: 1 } : {}),
+          ...(options?.previewLimit ? { preview_limit: options.previewLimit } : {}),
         },
       })
       .then((r) => r.data),

web/src/pages/HomePage.tsx

@@ -1,9 +1,9 @@
 import { useEffect, useMemo, useState } from 'react'
 
-import { libraryAPI } from '../api/library'
+import { libraryAPI, type LibraryWithPreview } from '../api/library'
 import { playbackAPI, type HistoryItem } from '../api/playback'
 import type { Library, Media } from '../types'
-import { groupSeries, type SeriesCard } from '../utils/groupSeries'
+import type { SeriesCard } from '../utils/groupSeries'
 import {
   ContinueWatchingSection,
   HomeCarouselSection,
@@ -29,56 +29,26 @@ export function HomePage() {
       setLoading(true)
       try {
         const [libs, hist] = await Promise.all([
-          libraryAPI.list().then((rows) => asArray<Library>(rows)).catch(() => [] as Library[]),
+          libraryAPI
-          playbackAPI.recentHistory().then((rows) => asArray<HistoryItem>(rows)).catch(() => [] as HistoryItem[]),
+            .list({ withPreview: true, previewLimit: 20 })
+            .then((rows) => asArray<LibraryWithPreview>(rows))
+            .catch(() => [] as LibraryWithPreview[]),
+          playbackAPI
+            .recentHistory()
+            .then((rows) => asArray<HistoryItem>(rows))
+            .catch(() => [] as HistoryItem[]),
         ])
 
         if (cancelled) return
         setLibraries(libs)
         setHistory(hist.filter((h) => h && !h.completed && !!h.media))
 
-        // Fetch media items for all libraries in parallel
-        const isSeriesType = (type?: string) => type === 'tv' || type === 'anime' || type === 'variety'
-        const results = await Promise.allSettled(
-          libs.map(async (lib) => {
-            // 剧集类媒体库（tv/anime/variety）：后端 /series 已按剧聚合，
-            // 首页若用 episode 级 /media 的前 30 行再 groupSeries，同一部剧的
-            // 多集会折叠成 1 张卡，导致整行只显示 1 个条目。
-            // 改用 /series 分页拉取全部聚合后的剧集卡片。
-            if (isSeriesType(lib.type)) {
-              const cards: SeriesCard[] = []
-              let total = 0
-              const pageSize = 200
-              for (let page = 1; page <= 10; page++) {
-                const data = await libraryAPI.listSeries(lib.id, page, pageSize)
-                const pageItems = asArray<SeriesCard>(data?.items)
-                cards.push(...pageItems)
-                total = data?.total ?? cards.length
-                if (cards.length >= total || pageItems.length < pageSize) break
-              }
-              return { id: lib.id, cards, items: [], total }
-            }
-            const page = await libraryAPI.listMedia(lib.id, 1, 30)
-            const items = asArray<Media>(page?.items)
-            const cards = groupSeries(items)
-            return {
-              id: lib.id,
-              cards,
-              items,
-              total: page?.total ?? items.length,
-            }
-          }),
-        )
-
-        if (cancelled) return
         const mapData: Record<string, { cards: SeriesCard[]; items: Media[]; total: number }> = {}
-        for (const res of results) {
+        for (const lib of libs) {
-          if (res.status === 'fulfilled' && res.value) {
+          mapData[lib.id] = {
-            mapData[res.value.id] = {
+            cards: lib.cards ?? [],
-              cards: res.value.cards,
+            items: [],
-              items: res.value.items,
+            total: lib.total ?? 0,
-              total: res.value.total,
-            }
           }
         }
         setLibraryData(mapData)