feat: 下载历史数量限制为 30 条

cloudfunctions/userDownloadLogs/index.js

@@ -62,9 +62,12 @@ async function handleAdd(userId, event) {
     return { code: 0, data: { _id, ...record } };
 }
 
+const MAX_LIST_PAGE_SIZE = 30;
+
 async function handleList(userId, event) {
-    const { page = 1, pageSize = 20 } = event;
-    const skip = (page - 1) * pageSize;
+    const { page = 1, pageSize = MAX_LIST_PAGE_SIZE } = event;
+    const limit = Math.min(Math.max(1, Number(pageSize) || 1), MAX_LIST_PAGE_SIZE);
+    const skip = (page - 1) * limit;
 
     const collection = db.collection('download_logs');
 
@@ -72,7 +75,7 @@ async function handleList(userId, event) {
         .where({ userId })
         .orderBy('createdAt', 'desc')
         .skip(skip)
-        .limit(pageSize)
+        .limit(limit)
         .get();
 
     if (logs.length === 0) {

miniprogram/pages/favorites/favorites.less

@@ -28,7 +28,7 @@
 
 .fav-body {
     padding: @section-gap-xs @page-padding-x;
-    padding-bottom: calc(48rpx + env(safe-area-inset-bottom) + 120rpx);
+    padding-bottom: 48rpx;
     box-sizing: border-box;
 }
 

miniprogram/pages/favorites/favorites.ts

@@ -1,6 +1,9 @@
 import { NAV_INNER_PX } from '../../utils/navMetrics';
 import { getFavoriteList, removeFavorite } from '../../utils/favorites';
-import { getDownloadLogs } from '../../utils/downloadLogs';
+import {
+    DOWNLOAD_HISTORY_MAX,
+    getDownloadLogs,
+} from '../../utils/downloadLogs';
 import type { FavoriteRecord } from '../../utils/favorites';
 import type { DownloadLogRecord } from '../../utils/downloadLogs';
 import { getCategoryName } from '../../core/data/categories';
@@ -223,7 +226,7 @@ Page({
     async loadDownloads() {
         this.setData({ dlLoading: true });
         try {
-            const records = await getDownloadLogs();
+            const records = await getDownloadLogs(1, DOWNLOAD_HISTORY_MAX);
             this.setData({ downloadSections: groupDownloadsByDate(records) });
         } finally {
             this.setData({ dlLoading: false });

miniprogram/utils/downloadLogs.ts

@@ -38,12 +38,15 @@ export async function addDownloadLog(worksheetId: string): Promise<boolean> {
     }
 }
 
+/** 收藏页下载历史展示条数上限 */
+export const DOWNLOAD_HISTORY_MAX = 30;
+
 /**
- * 获取下载历史
+ * 获取下载历史（默认最近 30 条）
  */
 export async function getDownloadLogs(
     page = 1,
-    pageSize = 20,
+    pageSize = DOWNLOAD_HISTORY_MAX,
 ): Promise<DownloadLogRecord[]> {
     try {
         await getUser();