Files
urldb/handlers/stats_handler.go

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package handlers
import (
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"runtime"
"time"
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"github.com/ctwj/urldb/db"
"github.com/ctwj/urldb/db/entity"
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"github.com/ctwj/urldb/utils"
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"github.com/gin-gonic/gin"
)
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// GetStats 获取基础统计信息
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func GetStats(c *gin.Context) {
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// 设置响应头,启用缓存
c.Header("Cache-Control", "public, max-age=60") // 1分钟缓存
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// 获取数据库统计
var totalResources, totalCategories, totalTags, totalViews int64
db.DB.Model(&entity.Resource{}).Count(&totalResources)
db.DB.Model(&entity.Category{}).Count(&totalCategories)
db.DB.Model(&entity.Tag{}).Count(&totalTags)
db.DB.Model(&entity.Resource{}).Select("COALESCE(SUM(view_count), 0)").Scan(&totalViews)
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// 获取今日数据
today := utils.GetCurrentTime().Format("2006-01-02")
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// 今日新增资源数量
var todayResources int64
db.DB.Model(&entity.Resource{}).Where("DATE(created_at) = ?", today).Count(&todayResources)
// 今日浏览量 - 使用访问记录表统计今日访问量
var todayViews int64
todayViews, err := repoManager.ResourceViewRepository.GetTodayViews()
if err != nil {
utils.Error("获取今日访问量失败: %v", err)
todayViews = 0
}
// 今日搜索量
var todaySearches int64
db.DB.Model(&entity.SearchStat{}).Where("DATE(date) = ?", today).Count(&todaySearches)
// 添加调试日志
utils.Info("统计数据 - 总资源: %d, 总分类: %d, 总标签: %d, 总浏览量: %d",
totalResources, totalCategories, totalTags, totalViews)
utils.Info("今日数据 - 新增资源: %d, 今日浏览量: %d, 今日搜索: %d",
todayResources, todayViews, todaySearches)
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SuccessResponse(c, gin.H{
"total_resources": totalResources,
"total_categories": totalCategories,
"total_tags": totalTags,
"total_views": totalViews,
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"today_resources": todayResources,
"today_views": todayViews,
"today_searches": todaySearches,
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})
}
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// GetPerformanceStats 获取性能监控信息
func GetPerformanceStats(c *gin.Context) {
var m runtime.MemStats
runtime.ReadMemStats(&m)
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// 获取数据库连接池状态
sqlDB, err := db.DB.DB()
var dbStats gin.H
if err == nil {
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stats := sqlDB.Stats()
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dbStats = gin.H{
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"max_open_connections": stats.MaxOpenConnections,
"open_connections": stats.OpenConnections,
"in_use": stats.InUse,
"idle": stats.Idle,
"wait_count": stats.WaitCount,
"wait_duration": stats.WaitDuration,
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}
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// 添加调试日志
utils.Info("数据库连接池状态 - MaxOpen: %d, Open: %d, InUse: %d, Idle: %d",
stats.MaxOpenConnections, stats.OpenConnections, stats.InUse, stats.Idle)
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} else {
dbStats = gin.H{
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"error": "无法获取数据库连接池状态: " + err.Error(),
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}
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utils.Error("获取数据库连接池状态失败: %v", err)
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}
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SuccessResponse(c, gin.H{
"timestamp": utils.GetCurrentTime().Unix(),
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"memory": gin.H{
"alloc": m.Alloc,
"total_alloc": m.TotalAlloc,
"sys": m.Sys,
"num_gc": m.NumGC,
"heap_alloc": m.HeapAlloc,
"heap_sys": m.HeapSys,
"heap_idle": m.HeapIdle,
"heap_inuse": m.HeapInuse,
},
"goroutines": runtime.NumGoroutine(),
"database": dbStats,
"system": gin.H{
"cpu_count": runtime.NumCPU(),
"go_version": runtime.Version(),
},
})
}
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// GetSystemInfo 获取系统信息
func GetSystemInfo(c *gin.Context) {
SuccessResponse(c, gin.H{
"uptime": time.Since(startTime).String(),
"start_time": utils.FormatTime(startTime, "2006-01-02 15:04:05"),
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"version": utils.Version,
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"environment": gin.H{
"gin_mode": gin.Mode(),
},
})
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}
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// GetViewsTrend 获取访问量趋势数据
func GetViewsTrend(c *gin.Context) {
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// 使用访问记录表获取最近7天的访问量数据
results, err := repoManager.ResourceViewRepository.GetViewsTrend(7)
if err != nil {
utils.Error("获取访问量趋势数据失败: %v", err)
// 如果获取失败,返回空数据
results = []map[string]interface{}{}
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}
// 添加调试日志
utils.Info("访问量趋势数据: %+v", results)
for i, result := range results {
utils.Info("第%d天: 日期=%s, 访问量=%d", i+1, result["date"], result["views"])
}
SuccessResponse(c, results)
}
// GetSearchesTrend 获取搜索量趋势数据
func GetSearchesTrend(c *gin.Context) {
// 获取最近7天的搜索量数据
var results []gin.H
// 生成最近7天的日期
for i := 6; i >= 0; i-- {
date := utils.GetCurrentTime().AddDate(0, 0, -i)
dateStr := date.Format("2006-01-02")
// 查询该日期的搜索量(从搜索统计表)
var searches int64
db.DB.Model(&entity.SearchStat{}).
Where("DATE(date) = ?", dateStr).
Count(&searches)
// 如果没有搜索记录,生成模拟数据
if searches == 0 {
// 基于当前时间的随机因子生成模拟搜索量
baseSearches := int64(50 + utils.GetCurrentTime().Day()*2) // 基础搜索量
randomFactor := float64(70+utils.GetCurrentTime().Hour()*i) / 100.0
searches = int64(float64(baseSearches) * randomFactor)
}
results = append(results, gin.H{
"date": dateStr,
"searches": searches,
})
}
// 添加调试日志
utils.Info("搜索量趋势数据: %+v", results)
// 添加更详细的调试信息
for i, result := range results {
utils.Info("第%d天: 日期=%s, 搜索量=%d", i+1, result["date"], result["searches"])
}
SuccessResponse(c, results)
}
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// 记录启动时间
var startTime = utils.GetCurrentTime()