feat: add admin dashboard with usage stats

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-05 09:26:55 +02:00
parent 78f1659db4
commit 5dedb8fac0
9 changed files with 636 additions and 1 deletions
@@ -0,0 +1,151 @@
+import { Router } from 'express'
+import { prisma } from '../db.js'
+import { requireUser, requireAdmin, type AuthedRequest } from '../middleware/auth.js'
+
+const router = Router()
+
+router.get('/me', requireUser, requireAdmin, (req, res) => {
+  const { userId } = req as AuthedRequest
+  res.json({ isAdmin: true, userId })
+})
+
+router.get('/summary', requireUser, requireAdmin, async (_req, res) => {
+  try {
+    const [totalUsers, totalLogbooks, totalPhotos, totalVoiceMemos, totalGpsTracks, totalCollaborations, totalInvitations, aiSummaryEntries] =
+      await Promise.all([
+        prisma.user.count(),
+        prisma.logbook.count(),
+        prisma.photoPayload.count(),
+        prisma.voiceMemoPayload.count(),
+        prisma.gpsTrackPayload.count(),
+        prisma.collaboration.count(),
+        prisma.invitation.count(),
+        prisma.aiSummaryUsage.count()
+      ])
+
+    res.json({
+      totalUsers,
+      totalLogbooks,
+      totalPhotos,
+      totalVoiceMemos,
+      totalGpsTracks,
+      totalCollaborations,
+      totalInvitations,
+      aiSummaryEntries
+    })
+  } catch (error: unknown) {
+    console.error('admin/summary error', error)
+    res.status(500).json({ error: 'Failed to load admin summary' })
+  }
+})
+
+type TimeBucket = 'day' | 'week' | 'month'
+
+interface TimeSeriesPoint {
+  date: string
+  count: number
+}
+
+interface TimeSeries {
+  metric: string
+  points: TimeSeriesPoint[]
+}
+
+function normalizeBucket(value: string | undefined | null): TimeBucket {
+  if (value === 'week' || value === 'month') return value
+  return 'day'
+}
+
+function parseWindowDays(raw: string | undefined | null): number {
+  const n = raw ? Number.parseInt(raw, 10) : NaN
+  if (!Number.isFinite(n) || n <= 0) return 90
+  return Math.min(n, 365)
+}
+
+function startOfDay(date: Date): Date {
+  const d = new Date(date)
+  d.setUTCHours(0, 0, 0, 0)
+  return d
+}
+
+function startOfWeek(date: Date): Date {
+  const d = startOfDay(date)
+  const day = d.getUTCDay() || 7
+  d.setUTCDate(d.getUTCDate() - (day - 1))
+  return d
+}
+
+function startOfMonth(date: Date): Date {
+  const d = startOfDay(date)
+  d.setUTCDate(1)
+  return d
+}
+
+function bucketDate(date: Date, bucket: TimeBucket): string {
+  const base =
+    bucket === 'week' ? startOfWeek(date) : bucket === 'month' ? startOfMonth(date) : startOfDay(date)
+  return base.toISOString().slice(0, 10)
+}
+
+async function buildTimeSeries(bucket: TimeBucket, windowDays: number): Promise<TimeSeries[]> {
+  const since = new Date()
+  since.setUTCDate(since.getUTCDate() - windowDays)
+
+  const [users, logbooks, photos] = await Promise.all([
+    prisma.user.findMany({
+      where: { createdAt: { gte: since } },
+      select: { createdAt: true }
+    }),
+    prisma.logbook.findMany({
+      where: { createdAt: { gte: since } },
+      select: { createdAt: true }
+    }),
+    prisma.photoPayload.findMany({
+      where: { updatedAt: { gte: since } },
+      select: { updatedAt: true }
+    })
+  ])
+
+  function aggregate(dates: Date[], metric: string): TimeSeries {
+    const map = new Map<string, number>()
+    for (const d of dates) {
+      const key = bucketDate(d, bucket)
+      map.set(key, (map.get(key) ?? 0) + 1)
+    }
+    const points = Array.from(map.entries())
+      .sort(([a], [b]) => (a < b ? -1 : a > b ? 1 : 0))
+      .map(([date, count]) => ({ date, count }))
+    return { metric, points }
+  }
+
+  return [
+    aggregate(
+      users.map((u) => u.createdAt),
+      'users_created'
+    ),
+    aggregate(
+      logbooks.map((l) => l.createdAt),
+      'logbooks_created'
+    ),
+    aggregate(
+      photos.map((p) => p.updatedAt),
+      'photos_updated'
+    )
+  ]
+}
+
+router.get('/timeseries', requireUser, requireAdmin, async (req, res) => {
+  try {
+    const bucket = normalizeBucket(typeof req.query.bucket === 'string' ? req.query.bucket : undefined)
+    const windowDays = parseWindowDays(typeof req.query.window === 'string' ? req.query.window : undefined)
+
+    const series = await buildTimeSeries(bucket, windowDays)
+    res.json({ bucket, windowDays, series })
+  } catch (error: unknown) {
+    console.error('admin/timeseries error', error)
+    res.status(500).json({ error: 'Failed to load admin time series' })
+  }
+})
+
+export default router
+