feat: 开发收藏和下载功能

miniprogram/utils/downloadLogs.ts

@@ -0,0 +1,56 @@
+import { getUser } from './auth';
+
+export interface DownloadLogRecord {
+    _id: string;
+    userId: string;
+    worksheetId: string;
+    createdAt: string;
+    worksheet?: {
+        _id: string;
+        title: string;
+        subtitle: string;
+        category: string;
+        subcategory: string;
+        previewImg: string;
+    } | null;
+}
+
+/**
+ * 记录下载日志
+ */
+export async function addDownloadLog(worksheetId: string): Promise<boolean> {
+    if (!worksheetId) return false;
+    try {
+        await getUser();
+        const res = await wx.cloud.callFunction({
+            name: 'userDownloadLogs',
+            data: { action: 'add', worksheetId },
+        });
+        const result = (res?.result as any) || {};
+        return result.code === 0;
+    } catch (e) {
+        console.error('addDownloadLog failed', e);
+        return false;
+    }
+}
+
+/**
+ * 获取下载历史
+ */
+export async function getDownloadLogs(
+    page = 1,
+    pageSize = 20,
+): Promise<DownloadLogRecord[]> {
+    try {
+        await getUser();
+        const res = await wx.cloud.callFunction({
+            name: 'userDownloadLogs',
+            data: { action: 'list', page, pageSize },
+        });
+        const result = (res?.result as any) || {};
+        return result.code === 0 ? result.data : [];
+    } catch (e) {
+        console.error('getDownloadLogs failed', e);
+        return [];
+    }
+}