95 lines
3.2 KiB
Go
95 lines
3.2 KiB
Go
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package service
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import (
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"licserver/internal/model"
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"time"
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"gorm.io/gorm"
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)
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type DashboardService struct {
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db *gorm.DB
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}
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func NewDashboardService(db *gorm.DB) *DashboardService {
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return &DashboardService{db: db}
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}
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type DashboardStats struct {
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TotalDevices int64 `json:"total_devices"` // 设备总数
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TotalLicenses int64 `json:"total_licenses"` // 授权码总数
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TodayNew int64 `json:"today_new"` // 今日新增
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OnlineDevices int64 `json:"online_devices"` // 在线设备
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ActiveDevices int64 `json:"active_devices"` // 激活设备
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ExpiredDevices int64 `json:"expired_devices"` // 过期设备
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DeviceTypes []DeviceTypeStats `json:"device_types"` // 设备类型分布
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TrendData []DailyRegistration `json:"trend_data"` // 注册趋势
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LicenseStats LicenseStatistics `json:"license_stats"` // 授权码统计
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}
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type DeviceTypeStats struct {
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Type string `json:"type"`
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Count int64 `json:"count"`
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}
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type DailyRegistration struct {
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Date string `json:"date"`
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Count int64 `json:"count"`
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}
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type LicenseStatistics struct {
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Unused int64 `json:"unused"` // 未使用
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Used int64 `json:"used"` // 已使用
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Expired int64 `json:"expired"` // 已过期
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Revoked int64 `json:"revoked"` // 已撤销
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}
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func (s *DashboardService) GetDashboardStats() (*DashboardStats, error) {
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stats := &DashboardStats{}
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// 获取设备总数
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s.db.Model(&model.Device{}).Count(&stats.TotalDevices)
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// 获取授权码总数
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s.db.Model(&model.LicenseCode{}).Count(&stats.TotalLicenses)
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// 获取今日新增设备数
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today := time.Now().Format("2006-01-02")
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s.db.Model(&model.Device{}).Where("DATE(register_time) = ?", today).Count(&stats.TodayNew)
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// 获取在线设备数（最近30分钟内有活动的设备）
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thirtyMinutesAgo := time.Now().Add(-30 * time.Minute)
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s.db.Model(&model.Device{}).Where("last_active_at > ?", thirtyMinutesAgo).Count(&stats.OnlineDevices)
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// 获取激活和过期设备数
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s.db.Model(&model.Device{}).Where("status = ?", "active").Count(&stats.ActiveDevices)
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s.db.Model(&model.Device{}).Where("status = ?", "expired").Count(&stats.ExpiredDevices)
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// 获取设备类型分布
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var deviceTypes []DeviceTypeStats
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s.db.Model(&model.Device{}).
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Select("device_type as type, count(*) as count").
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Group("device_type").
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Scan(&deviceTypes)
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stats.DeviceTypes = deviceTypes
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// 获取最近7天的注册趋势
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var trendData []DailyRegistration
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sevenDaysAgo := time.Now().AddDate(0, 0, -7)
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s.db.Model(&model.Device{}).
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Select("DATE(register_time) as date, count(*) as count").
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Where("register_time >= ?", sevenDaysAgo).
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Group("DATE(register_time)").
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Order("date ASC").
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Scan(&trendData)
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stats.TrendData = trendData
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// 获取授权码统计
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s.db.Model(&model.LicenseCode{}).Where("status = ?", "unused").Count(&stats.LicenseStats.Unused)
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s.db.Model(&model.LicenseCode{}).Where("status = ?", "used").Count(&stats.LicenseStats.Used)
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s.db.Model(&model.LicenseCode{}).Where("status = ?", "expired").Count(&stats.LicenseStats.Expired)
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s.db.Model(&model.LicenseCode{}).Where("status = ?", "revoked").Count(&stats.LicenseStats.Revoked)
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return stats, nil
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}
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