初次提交

2026-09-06 08:19:02 +08:00
commit 4ce4649aaf
1061 changed files with 337258 additions and 0 deletions
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+import { createError, defineEventHandler, getQuery } from 'h3'
+import { db } from '~/drizzle/db'
+import { songs, users } from '~/drizzle/schema'
+import { count } from 'drizzle-orm'
+
+export default defineEventHandler(async (event) => {
+  // 检查认证和权限
+  const user = event.context.user
+  if (!user || !['ADMIN', 'SUPER_ADMIN'].includes(user.role)) {
+    throw createError({
+      statusCode: 403,
+      message: '需要管理员权限'
+    })
+  }
+
+  const query = getQuery(event)
+  const semester = query.semester as string
+
+  try {
+    // 构建查询条件
+    const where = semester && semester !== 'all' ? { semester: semester } : {}
+
+    // 获取用户参与度数据
+    // 1. 获取总用户数
+    const totalUsersResult = await db.select({ count: count() }).from(users)
+    const totalUsers = totalUsersResult[0].count
+
+    // 2. 获取有请求歌曲的用户数
+    const allUsers = await db.select().from(users)
+    const allSongs = await db.select().from(songs)
+
+    const activeUsers = allUsers.filter((user) => {
+      return allSongs.some((song) => {
+        if (song.requesterId !== user.id) return false
+        if (semester && semester !== 'all' && song.semester !== semester) return false
+        return true
+      })
+    }).length
+
+    // 3. 获取用户请求歌曲的平均数量
+    const userSongCounts = allUsers.map((user) => {
+      const songCount = allSongs.filter((song) => song.requesterId === user.id).length
+      return { ...user, _count: { songs: songCount } }
+    })
+
+    const totalSongRequests = userSongCounts.reduce((sum, user) => sum + user._count.songs, 0)
+    const averageSongsPerUser = totalUsers > 0 ? totalSongRequests / totalUsers : 0
+
+    // 4. 获取最近活跃用户
+    const oneWeekAgo = new Date()
+    oneWeekAgo.setDate(oneWeekAgo.getDate() - 7)
+
+    const recentActiveUsers = allUsers.filter((user) => {
+      return allSongs.some((song) => {
+        if (song.requesterId !== user.id) return false
+        if (semester && semester !== 'all' && song.semester !== semester) return false
+        if (song.createdAt < oneWeekAgo) return false
+        return true
+      })
+    }).length
+
+    return {
+      totalUsers,
+      activeUsers,
+      activeUserPercentage: totalUsers > 0 ? (activeUsers / totalUsers) * 100 : 0,
+      averageSongsPerUser: parseFloat(averageSongsPerUser.toFixed(2)),
+      recentActiveUsers,
+      recentActiveUserPercentage: totalUsers > 0 ? (recentActiveUsers / totalUsers) * 100 : 0
+    }
+  } catch (error) {
+    console.error('获取用户参与度数据失败:', error)
+    throw createError({
+      statusCode: 500,
+      message: '获取用户参与度数据失败'
+    })
+  }
+})