feat(backend): Build escrow analytics aggregation service#463
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KuchiMercy merged 1 commit intoJun 30, 2026
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…es#424) Implements comprehensive admin analytics with caching across four endpoints: - GET /admin/analytics/summary — combined volume/activity/performance/user/dispute metrics (5 min cache) - GET /admin/analytics/volume — time-series with chart-friendly labels+values (15 min cache) - GET /admin/analytics/users — total/active(30d)/new(7/30/90d) metrics + weekly active 12w chart (5 min cache) - GET /admin/analytics/disputes — dispute rate, resolution rate, win rate, avg resolution time (5 min cache) Key additions: - VolumeMetrics: total, average, median escrow amounts - ActivityMetrics: counts per EscrowStatus (created/active/completed/disputed/cancelled/expired) - PerformanceMetrics: avg days to funding, completion, and dispute resolution - UserMetrics: total, active30d, new7d/30d/90d users - DisputeMetrics: dispute rate, resolution rate, win rate, outcome distribution - ChartData: { labels, values } format for all time-series responses - In-memory cache: 5 min TTL for summaries, 15 min TTL for time-series - Cache-Control response headers on all endpoints - Date range filtering support on volume endpoints Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Closes #424
Summary
AnalyticsServicewith comprehensive metrics covering volume, activity, performance, users, and disputesGET /admin/analytics/{summary,volume,users,disputes}withCache-ControlheadersChartData({ labels, values }) for all time-series responses consumed by the frontend (F-20)Changes
analytics.service.tstotalVolume,averageAmount,medianAmountover completed escrowsjulianday()total,active30d,new7d,new30d,new90ddisputeRate,resolutionRate,winRate,avgResolutionTimeDays,outcomeDistributionChartDatafrom/toparams on volume time-seriesanalytics.controller.tsGET /admin/analytics/summarymax-age=300GET /admin/analytics/volumemax-age=900daily/weekly/monthly)GET /admin/analytics/usersmax-age=300GET /admin/analytics/disputesmax-age=300GET /admin/analytics/top-usersmax-age=300Test plan
GET /admin/analytics/summaryreturns all five metric groupsGET /admin/analytics/volume?period=dailyreturnsseries+charts.daily30d/daily90d/monthly12mwithlabelsandvaluesarraysGET /admin/analytics/usersreturnsmetricsandcharts.weeklyActive12wGET /admin/analytics/disputesreturnsdisputeRate,resolutionRate,winRate,avgResolutionTimeDaysCache-Controlheader is present on all responses?from=2026-01-01&to=2026-06-30) narrows volume results🤖 Generated with Claude Code