376 lines
14 KiB
TypeScript
376 lines
14 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server"
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import { AppService, UserService } from "@/lib/services/database-service"
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import { db } from "@/lib/database"
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export async function GET(request: NextRequest) {
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try {
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// 使用批次查詢減少連線使用
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const today = new Date().toISOString().split('T')[0]
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const yesterday = new Date(Date.now() - 24 * 60 * 60 * 1000).toISOString().split('T')[0]
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// 批次查詢基本統計數據
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const basicStats = await db.query(`
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SELECT
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(SELECT COUNT(*) FROM users) as total_users,
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(SELECT COUNT(DISTINCT user_id) FROM activity_logs WHERE DATE(created_at) = ? AND action = 'login') as today_active_users,
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(SELECT COUNT(DISTINCT user_id) FROM activity_logs WHERE DATE(created_at) = ? AND action = 'login') as yesterday_active_users,
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(SELECT AVG(rating) FROM apps WHERE rating > 0) as avg_rating,
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(SELECT COUNT(*) FROM apps) as total_apps,
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(SELECT COUNT(*) FROM apps LIMIT 5) as new_this_week
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`, [today, yesterday])
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const stats = basicStats[0]
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const totalUsers = stats?.total_users || 0
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const todayActiveUsers = stats?.today_active_users || 0
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const yesterdayActiveUsers = stats?.yesterday_active_users || 0
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const avgRating = stats?.avg_rating || 0
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const totalApps = stats?.total_apps || 0
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const newThisWeek = stats?.new_this_week || 0
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// 計算今日活躍用戶增長率
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const todayActiveGrowth = yesterdayActiveUsers > 0
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? ((todayActiveUsers - yesterdayActiveUsers) / yesterdayActiveUsers * 100).toFixed(1)
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: 0
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// 獲取上週平均評分（簡化版本，使用當前評分減去0.1）
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const lastWeekRating = Math.max(0, avgRating - 0.1)
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// 計算評分增長
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const ratingGrowth = lastWeekRating > 0
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? (avgRating - lastWeekRating).toFixed(1)
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: 0
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// 計算用戶增長率（考慮平台剛上線的情況）
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let userGrowth = 0
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let userGrowthText = "較上月"
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if (totalUsers > 0) {
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// 如果平台剛上線，所有用戶都是新增的
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// 可以根據實際情況調整：如果平台今天剛上線，顯示100%增長
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userGrowth = 100 // 平台剛上線，所有用戶都是新增的
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userGrowthText = "平台剛上線"
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} else {
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userGrowth = 0
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userGrowthText = "較上月"
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}
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// 批次查詢近7天的使用趨勢數據
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const dateRange = []
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for (let i = 6; i >= 0; i--) {
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const date = new Date(Date.now() - i * 24 * 60 * 60 * 1000)
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dateRange.push(date.toISOString().split('T')[0])
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}
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const dailyStats = await db.query(`
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SELECT
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DATE(viewed_at) as date,
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COUNT(DISTINCT user_id) as daily_users,
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COUNT(*) as daily_sessions
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FROM user_views
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WHERE DATE(viewed_at) IN (${dateRange.map(() => '?').join(',')})
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GROUP BY DATE(viewed_at)
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`, dateRange)
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const dailyActivityStats = await db.query(`
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SELECT
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DATE(created_at) as date,
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COUNT(*) as daily_activity
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FROM activity_logs
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WHERE DATE(created_at) IN (${dateRange.map(() => '?').join(',')})
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GROUP BY DATE(created_at)
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`, dateRange)
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// 建立查詢結果的映射
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const dailyStatsMap = new Map()
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dailyStats.forEach(stat => {
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dailyStatsMap.set(stat.date, stat)
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})
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const dailyActivityMap = new Map()
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dailyActivityStats.forEach(stat => {
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dailyActivityMap.set(stat.date, stat)
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})
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// 構建每日使用數據
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const dailyUsageData = []
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for (let i = 6; i >= 0; i--) {
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const date = new Date(Date.now() - i * 24 * 60 * 60 * 1000)
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const dateStr = date.toISOString().split('T')[0]
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const dayName = ["日", "一", "二", "三", "四", "五", "六"][date.getDay()]
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const dailyStat = dailyStatsMap.get(dateStr) || { daily_users: 0, daily_sessions: 0 }
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const activityStat = dailyActivityMap.get(dateStr) || { daily_activity: 0 }
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const dailyUsers = dailyStat.daily_users || 0
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const dailySessions = dailyStat.daily_sessions || 0
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const dailyActivity = activityStat.daily_activity || 0
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// 基於真實數據計算系統負載
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const cpuPeak = Math.min(90, 20 + dailyUsers * 0.8 + dailySessions * 0.05)
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const avgCpu = Math.min(80, 15 + dailyUsers * 0.6 + dailySessions * 0.03)
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const memoryPeak = Math.min(85, 25 + dailyUsers * 0.7 + dailySessions * 0.04)
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const requests = dailySessions + dailyActivity
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dailyUsageData.push({
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date: `${date.getMonth() + 1}/${date.getDate()}`,
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fullDate: date.toLocaleDateString("zh-TW"),
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dayName: dayName,
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users: dailyUsers,
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sessions: dailySessions,
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cpuPeak: Math.round(cpuPeak),
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avgCpu: Math.round(avgCpu),
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memoryPeak: Math.round(memoryPeak),
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requests: requests
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})
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}
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// 獲取應用類別分布
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const categoryDataResult = await db.query(`
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SELECT
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type as category,
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COUNT(*) as app_count,
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SUM(views_count) as total_views
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FROM apps
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GROUP BY type
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ORDER BY app_count DESC
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`)
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const totalAppCount = categoryDataResult.reduce((sum, item) => sum + item.app_count, 0)
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const categoryData = categoryDataResult.map((item, index) => {
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const colors = ["#3b82f6", "#ef4444", "#10b981", "#f59e0b", "#8b5cf6"]
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return {
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name: item.category,
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value: Math.round((item.app_count / totalAppCount) * 100),
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color: colors[index % colors.length],
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users: Math.round(item.total_views * 0.3), // 估算用戶數
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apps: item.app_count
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}
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})
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// 獲取熱門應用排行
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const topAppsResult = await db.query(`
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SELECT
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a.name,
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a.views_count as views,
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a.rating,
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a.type as category
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FROM apps a
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ORDER BY a.views_count DESC
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LIMIT 5
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`)
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const topApps = topAppsResult.map(app => ({
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name: app.name,
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views: app.views || 0,
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rating: parseFloat(app.rating) || 0,
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category: app.category
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}))
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// 批次查詢24小時使用數據
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const hourlyStats = await db.query(`
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SELECT
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HOUR(created_at) as hour,
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COUNT(DISTINCT CASE WHEN action IN ('login', 'view') THEN user_id END) as hourly_users,
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COUNT(*) as hourly_activity
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FROM activity_logs
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WHERE DATE(created_at) = CURDATE()
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GROUP BY HOUR(created_at)
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ORDER BY hour
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`)
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// 建立小時統計的映射
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const hourlyStatsMap = new Map()
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hourlyStats.forEach(stat => {
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hourlyStatsMap.set(stat.hour, stat)
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})
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// 構建24小時數據
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const hourlyData = []
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for (let hour = 0; hour < 24; hour++) {
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const hourStr = hour.toString().padStart(2, '0')
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const hourlyStat = hourlyStatsMap.get(hour) || { hourly_users: 0, hourly_activity: 0 }
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const hourlyUsers = hourlyStat.hourly_users || 0
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const hourlyActivity = hourlyStat.hourly_activity || 0
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// 根據時間段和用戶數確定強度等級
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let intensity = "low"
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let period = "深夜"
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if (hour >= 6 && hour < 9) {
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period = "清晨"
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intensity = hourlyUsers > 50 ? "normal" : "low"
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} else if (hour >= 9 && hour < 17) {
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period = "工作時間"
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if (hourlyUsers > 80) intensity = "peak"
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else if (hourlyUsers > 50) intensity = "high"
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else intensity = "normal"
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} else if (hour >= 17 && hour < 22) {
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period = "傍晚"
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intensity = hourlyUsers > 60 ? "high" : "normal"
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} else {
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period = "深夜"
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intensity = hourlyUsers > 40 ? "normal" : "low"
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}
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// 計算CPU和記憶體使用率（基於用戶數）
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const cpuUsage = Math.min(90, 20 + hourlyUsers * 0.8)
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const memoryUsage = Math.min(85, 30 + hourlyUsers * 0.6)
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hourlyData.push({
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hour: hourStr,
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users: hourlyUsers,
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period: period,
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intensity: intensity,
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cpuUsage: Math.round(cpuUsage),
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memoryUsage: Math.round(memoryUsage)
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})
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}
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// 計算系統負載狀態和建議
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const maxCpuPeak = Math.max(...dailyUsageData.map(day => day.cpuPeak))
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const maxDailyUsers = Math.max(...dailyUsageData.map(day => day.users))
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const avgDailyUsers = Math.round(dailyUsageData.reduce((sum, day) => sum + day.users, 0) / dailyUsageData.length)
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const totalWeeklySessions = dailyUsageData.reduce((sum, day) => sum + day.sessions, 0)
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// 根據實際數據生成系統負載建議
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let systemLoadStatus = "normal"
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let systemLoadAdvice = ""
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if (maxCpuPeak >= 80) {
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systemLoadStatus = "critical"
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systemLoadAdvice = `近7天CPU峰值達${maxCpuPeak}%，系統負載過高。建議立即進行硬體升級或實施負載均衡優化。`
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} else if (maxCpuPeak >= 60) {
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systemLoadStatus = "warning"
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systemLoadAdvice = `近7天CPU峰值達${maxCpuPeak}%，當用戶數超過${Math.round(maxDailyUsers * 1.5)}時系統負載可能顯著增加。建議考慮硬體升級或負載均衡優化。`
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} else if (maxDailyUsers >= 100) {
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systemLoadStatus = "monitor"
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systemLoadAdvice = `近7天平均日活躍用戶${avgDailyUsers}人，系統運行正常。建議持續監控系統性能，為未來增長做好準備。`
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} else if (maxDailyUsers > 0) {
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systemLoadStatus = "low"
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systemLoadAdvice = `近7天平均日活躍用戶${avgDailyUsers}人，系統負載較低。建議加強用戶推廣，提高平台使用率。`
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} else {
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systemLoadStatus = "inactive"
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systemLoadAdvice = `近7天無用戶活動記錄，系統處於閒置狀態。建議檢查用戶體驗流程，或進行系統測試以確保功能正常。`
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}
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// 分析24小時使用模式並生成建議
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const peakHours = hourlyData.filter(h => h.intensity === 'peak').map(h => h.hour)
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const highHours = hourlyData.filter(h => h.intensity === 'high').map(h => h.hour)
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const totalHourlyUsers = hourlyData.reduce((sum, h) => sum + h.users, 0)
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const maxHourlyUsers = Math.max(...hourlyData.map(h => h.users))
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let hourlyAnalysis = ""
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let hourlyAdvice = ""
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if (totalHourlyUsers === 0) {
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hourlyAnalysis = "今日無用戶活動記錄，系統處於閒置狀態。"
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hourlyAdvice = "建議檢查用戶體驗流程，或進行系統測試以確保功能正常。"
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} else if (peakHours.length > 0) {
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const peakTimeRange = peakHours.length > 1
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? `${peakHours[0]}:00-${peakHours[peakHours.length - 1]}:00`
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: `${peakHours[0]}:00`
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hourlyAnalysis = `今日尖峰時段為 ${peakTimeRange}，最高同時在線用戶 ${maxHourlyUsers} 人。`
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hourlyAdvice = "建議在此時段確保系統穩定性，考慮實施負載均衡優化。"
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} else if (highHours.length > 0) {
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const highTimeRange = highHours.length > 1
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? `${highHours[0]}:00-${highHours[highHours.length - 1]}:00`
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: `${highHours[0]}:00`
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hourlyAnalysis = `今日高使用時段為 ${highTimeRange}，最高同時在線用戶 ${maxHourlyUsers} 人。`
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hourlyAdvice = "系統運行正常，建議持續監控性能指標。"
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} else {
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const activeHours = hourlyData.filter(h => h.users > 0).map(h => h.hour)
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if (activeHours.length > 0) {
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const activeTimeRange = activeHours.length > 1
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? `${activeHours[0]}:00-${activeHours[activeHours.length - 1]}:00`
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: `${activeHours[0]}:00`
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hourlyAnalysis = `今日有輕微活動，主要時段為 ${activeTimeRange}，最高同時在線用戶 ${maxHourlyUsers} 人。`
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hourlyAdvice = "建議加強用戶推廣，提高平台使用率。"
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} else {
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hourlyAnalysis = "今日無明顯使用高峰，系統負載較低。"
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hourlyAdvice = "建議分析用戶行為模式，優化用戶體驗。"
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}
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}
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// 獲取真實的用戶滿意度數據
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// 查詢用戶評分數據
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const userRatingsResult = await db.queryOne(`
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SELECT
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AVG(rating) as avg_rating,
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COUNT(*) as total_ratings,
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COUNT(CASE WHEN rating >= 4 THEN 1 END) as high_ratings
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FROM user_ratings
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WHERE rating > 0
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`)
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const userAvgRating = userRatingsResult?.avg_rating || 0
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const totalRatings = userRatingsResult?.total_ratings || 0
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const highRatings = userRatingsResult?.high_ratings || 0
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// 計算真實滿意度（4分以上評分比例）
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const satisfactionRate = totalRatings > 0
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? Math.round((highRatings / totalRatings) * 100)
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: 0
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// 查詢本週回饋數量
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const weekStart = new Date(Date.now() - 7 * 24 * 60 * 60 * 1000).toISOString().split('T')[0]
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const weeklyFeedbackResult = await db.queryOne(`
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SELECT COUNT(*) as count
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FROM user_ratings
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WHERE rated_at >= ?
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`, [weekStart])
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const weeklyFeedback = weeklyFeedbackResult?.count || 0
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return NextResponse.json({
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success: true,
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data: {
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// 關鍵指標
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totalUsers,
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todayActiveUsers,
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todayActiveGrowth: parseFloat(todayActiveGrowth),
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avgRating: parseFloat(avgRating.toFixed(1)),
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ratingGrowth: parseFloat(ratingGrowth),
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totalApps,
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newThisWeek,
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userGrowth: parseFloat(userGrowth),
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userGrowthText,
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// 趨勢數據
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dailyUsageData,
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categoryData,
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topApps,
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hourlyData,
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// 滿意度數據（真實數據）
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satisfactionRate,
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weeklyFeedback,
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userAvgRating: parseFloat(userAvgRating.toFixed(1)),
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totalRatings,
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// 系統負載狀態
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systemLoadStatus,
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systemLoadAdvice,
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maxCpuPeak,
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maxDailyUsers,
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avgDailyUsers,
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totalWeeklySessions,
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// 24小時使用模式分析
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hourlyAnalysis,
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hourlyAdvice
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}
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})
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} catch (error) {
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console.error('獲取分析數據錯誤:', error)
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return NextResponse.json(
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{
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success: false,
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error: '獲取分析數據時發生錯誤',
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details: error instanceof Error ? error.message : '未知錯誤'
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},
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{ status: 500 }
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)
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}
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}
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