Logan.LiandCursor
8cc2c83f9d
支持多产品计划展示、LICOFF 离线签发、支付独立配置与调试，以及分析看板；同步更新 README 与集成文档。 Co-authored-by: Cursor <cursoragent@cursor.com>
312 lines
10 KiB
Go
312 lines
10 KiB
Go
package analytics
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import (
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"backend/internal/dto"
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"backend/internal/model"
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"encoding/json"
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"net"
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"strings"
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"time"
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"gorm.io/gorm"
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)
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// AnalyticsService 数据分析业务逻辑层 // Logan.Li
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type AnalyticsService struct {
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db *gorm.DB
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}
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// NewAnalyticsService 创建 service 实例 // Logan.Li
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func NewAnalyticsService(db *gorm.DB) *AnalyticsService {
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return &AnalyticsService{db: db}
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}
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// GetDashboardStats 仪表板统计 // Logan.Li
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func (s *AnalyticsService) GetDashboardStats() (*dto.DashboardStats, error) {
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var stats dto.DashboardStats
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now := time.Now()
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s.db.Model(&model.License{}).Count(&stats.TotalLicenses)
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s.db.Model(&model.License{}).Where("status = ?", model.LicenseStatusActive).Count(&stats.ActiveLicenses)
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// 已过期：显式 expired，或到期日已过且非永久（end < 2090） // Logan.Li
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s.db.Model(&model.License{}).Where(
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"status = ? OR (end_date < ? AND end_date < ? AND status NOT IN ?)",
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model.LicenseStatusExpired,
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now,
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time.Date(2090, 1, 1, 0, 0, 0, 0, time.UTC),
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[]string{model.LicenseStatusRevoked},
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).Count(&stats.ExpiredLicenses)
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s.db.Model(&model.License{}).Where("license_key LIKE ?", "LICOFF-%").Count(&stats.OfflineLicenses)
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s.db.Model(&model.License{}).Where("license_key NOT LIKE ?", "LICOFF-%").Count(&stats.OnlineLicenses)
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monthStart := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location())
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s.db.Model(&model.License{}).Where("created_at >= ?", monthStart).Count(&stats.NewThisMonth)
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thirtyDaysLater := now.AddDate(0, 0, 30)
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s.db.Model(&model.License{}).
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Where("status = ? AND end_date > ? AND end_date < ?", model.LicenseStatusActive, now, thirtyDaysLater).
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Count(&stats.ExpiringSoon)
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s.db.Model(&model.Customer{}).Count(&stats.TotalCustomers)
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s.db.Model(&model.Product{}).Count(&stats.TotalProducts)
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fiveMinAgo := now.Add(-5 * time.Minute)
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s.db.Model(&model.Activation{}).Where("is_online = ? AND last_seen_at >= ?", true, fiveMinAgo).Count(&stats.OnlineDevices)
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s.db.Model(&model.Order{}).
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Where("status = ? AND paid_at >= ?", "paid", monthStart).
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Select("COALESCE(SUM(amount), 0)").
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Scan(&stats.MonthlyRevenue)
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s.db.Model(&model.Order{}).
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Where("status = ?", "paid").
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Select("COALESCE(SUM(amount), 0)").
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Scan(&stats.TotalRevenue)
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return &stats, nil
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}
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// GetExpiringLicenses 即将到期 License 列表 // Logan.Li
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func (s *AnalyticsService) GetExpiringLicenses(days int) ([]dto.ExpiringLicenseItem, error) {
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if days <= 0 {
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days = 30
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}
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now := time.Now()
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deadline := now.AddDate(0, 0, days)
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var licenses []model.License
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s.db.Preload("Customer").Preload("Product").
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Where("status = ? AND end_date > ? AND end_date < ?", model.LicenseStatusActive, now, deadline).
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Order("end_date ASC").Limit(20).Find(&licenses)
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results := make([]dto.ExpiringLicenseItem, 0, len(licenses))
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for _, l := range licenses {
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results = append(results, dto.ExpiringLicenseItem{
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ID: l.ID,
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LicenseKey: shortKey(l.LicenseKey),
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CustomerName: l.Customer.Name,
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ProductName: l.Product.Name,
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EndDate: l.EndDate.Format("2006-01-02"),
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DaysLeft: int(l.EndDate.Sub(now).Hours() / 24),
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})
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}
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return results, nil
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}
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func shortKey(key string) string {
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key = strings.TrimSpace(key)
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if strings.HasPrefix(key, "LICOFF-") && len(key) > 28 {
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return key[:14] + "…" + key[len(key)-8:]
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}
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return key
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}
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// GetRecentActivities 最近操作活动 // Logan.Li
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func (s *AnalyticsService) GetRecentActivities(limit int) ([]dto.RecentActivityItem, error) {
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if limit <= 0 {
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limit = 10
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}
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var logs []model.AuditLog
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s.db.Order("created_at DESC").Limit(limit).Find(&logs)
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results := make([]dto.RecentActivityItem, 0, len(logs))
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for _, l := range logs {
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results = append(results, dto.RecentActivityItem{
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ID: l.ID,
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Username: l.Username,
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Action: l.Action,
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TargetType: l.TargetType,
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TargetName: l.TargetName,
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Detail: l.Detail,
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CreatedAt: l.CreatedAt.Format("2006-01-02 15:04:05"),
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})
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}
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return results, nil
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}
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// GetOnlineStats 在线统计 // Logan.Li
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func (s *AnalyticsService) GetOnlineStats() (map[string]interface{}, error) {
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now := time.Now()
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fiveMinAgo := now.Add(-5 * time.Minute)
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var onlineDevices int64
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var totalActivations int64
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s.db.Model(&model.Activation{}).Where("is_online = ? AND last_seen_at >= ?", true, fiveMinAgo).Count(&onlineDevices)
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s.db.Model(&model.Activation{}).Where("status = ?", "active").Count(&totalActivations)
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return map[string]interface{}{
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"online_devices": onlineDevices,
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"total_activations": totalActivations,
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"offline_devices": totalActivations - onlineDevices,
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}, nil
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}
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// GetRevenueStats 收入统计（近 6 个月） // Logan.Li
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func (s *AnalyticsService) GetRevenueStats() ([]dto.RevenuePoint, error) {
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now := time.Now()
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results := make([]dto.RevenuePoint, 0, 6)
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for i := 5; i >= 0; i-- {
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monthStart := time.Date(now.Year(), now.Month()-time.Month(i), 1, 0, 0, 0, 0, now.Location())
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nextMonth := monthStart.AddDate(0, 1, 0)
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var amount float64
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s.db.Model(&model.Order{}).
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Where("status = ? AND created_at >= ? AND created_at < ?", "paid", monthStart, nextMonth).
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Select("COALESCE(SUM(amount), 0)").
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Scan(&amount)
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results = append(results, dto.RevenuePoint{
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Period: monthStart.Format("2006-01"),
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Amount: amount,
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})
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}
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return results, nil
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}
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// GetLicenseGrowth License 增长趋势（近 12 个月累计） // Logan.Li
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func (s *AnalyticsService) GetLicenseGrowth() ([]dto.LicenseGrowthPoint, error) {
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detail, err := s.GetLicenseGrowthDetail()
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if err != nil {
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return nil, err
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}
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results := make([]dto.LicenseGrowthPoint, 0, len(detail))
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for _, row := range detail {
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results = append(results, dto.LicenseGrowthPoint{
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Date: row["date"].(string),
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Count: row["cumulative"].(int64),
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})
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}
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return results, nil
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}
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// GetLicenseGrowthDetail 含当月新增的增长序列 // Logan.Li
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func (s *AnalyticsService) GetLicenseGrowthDetail() ([]map[string]interface{}, error) {
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now := time.Now()
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results := make([]map[string]interface{}, 0, 12)
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for i := 11; i >= 0; i-- {
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monthStart := time.Date(now.Year(), now.Month()-time.Month(i), 1, 0, 0, 0, 0, now.Location())
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nextMonth := monthStart.AddDate(0, 1, 0)
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var cumulative, created int64
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s.db.Model(&model.License{}).Where("created_at < ?", nextMonth).Count(&cumulative)
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s.db.Model(&model.License{}).Where("created_at >= ? AND created_at < ?", monthStart, nextMonth).Count(&created)
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results = append(results, map[string]interface{}{
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"date": monthStart.Format("2006-01"),
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"cumulative": cumulative,
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"created": created,
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})
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}
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return results, nil
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}
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// GetProductDistribution 产品分布 // Logan.Li
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func (s *AnalyticsService) GetProductDistribution() ([]dto.ProductDistribution, error) {
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var results []dto.ProductDistribution
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s.db.Model(&model.License{}).
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Select("products.name as product_name, count(licenses.id) as count").
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Joins("LEFT JOIN products ON products.id = licenses.product_id").
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Group("licenses.product_id").
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Scan(&results)
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return results, nil
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}
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// GetGeoDistribution 地理/网络分布（device_info.country 优先，否则按 IP 粗分） // Logan.Li
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func (s *AnalyticsService) GetGeoDistribution() ([]dto.GeoDistribution, error) {
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var acts []model.Activation
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s.db.Where("status = ?", "active").Find(&acts)
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counts := map[string]int64{}
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for _, a := range acts {
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region := regionFromActivation(a)
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counts[region]++
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}
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results := make([]dto.GeoDistribution, 0, len(counts))
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for region, count := range counts {
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results = append(results, dto.GeoDistribution{Region: region, Count: count})
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}
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return results, nil
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}
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// GetPlatformDistribution 客户端形态分布（web/pc/mobile） // Logan.Li
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func (s *AnalyticsService) GetPlatformDistribution() ([]dto.PlatformDistribution, error) {
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var acts []model.Activation
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s.db.Where("status = ?", "active").Find(&acts)
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counts := map[string]int64{}
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for _, a := range acts {
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p := platformFromActivation(a)
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counts[p]++
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}
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order := []string{"pc", "web", "mobile", "unknown"}
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results := make([]dto.PlatformDistribution, 0, len(order))
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for _, p := range order {
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if counts[p] > 0 {
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results = append(results, dto.PlatformDistribution{Platform: p, Count: counts[p]})
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}
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}
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for p, c := range counts {
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if p == "pc" || p == "web" || p == "mobile" || p == "unknown" {
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continue
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}
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results = append(results, dto.PlatformDistribution{Platform: p, Count: c})
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}
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return results, nil
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}
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func regionFromActivation(a model.Activation) string {
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if info := parseDeviceInfo(a.DeviceInfo); info != nil {
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for _, k := range []string{"country", "region", "locale", "geo"} {
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if v, ok := info[k].(string); ok && strings.TrimSpace(v) != "" {
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return strings.TrimSpace(v)
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}
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}
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}
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ip := strings.TrimSpace(a.IP)
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if ip == "" {
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return "未知"
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}
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parsed := net.ParseIP(ip)
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if parsed == nil {
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return "未知"
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}
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if parsed.IsLoopback() || parsed.IsPrivate() || parsed.IsLinkLocalUnicast() {
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return "内网"
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}
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return "公网"
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}
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func platformFromActivation(a model.Activation) string {
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if info := parseDeviceInfo(a.DeviceInfo); info != nil {
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for _, k := range []string{"platform", "client", "os", "channel"} {
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if v, ok := info[k].(string); ok {
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p := strings.ToLower(strings.TrimSpace(v))
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switch {
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case strings.Contains(p, "ios"), strings.Contains(p, "android"), strings.Contains(p, "mobile"):
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return "mobile"
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case strings.Contains(p, "web"), strings.Contains(p, "browser"), strings.Contains(p, "h5"):
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return "web"
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case strings.Contains(p, "windows"), strings.Contains(p, "mac"), strings.Contains(p, "linux"),
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strings.Contains(p, "desktop"), strings.Contains(p, "tauri"), strings.Contains(p, "pc"):
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return "pc"
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}
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}
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}
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}
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name := strings.ToLower(a.DeviceName)
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switch {
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case strings.Contains(name, "iphone"), strings.Contains(name, "android"):
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return "mobile"
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case strings.Contains(name, "opsxshell"), strings.Contains(name, "desktop"):
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return "pc"
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}
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return "unknown"
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}
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func parseDeviceInfo(raw string) map[string]interface{} {
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raw = strings.TrimSpace(raw)
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if raw == "" {
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return nil
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}
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var m map[string]interface{}
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if err := json.Unmarshal([]byte(raw), &m); err != nil {
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return nil
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}
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return m
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}
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