增加审计日志、图表数据自动清理功能

server/cron/clear_statsinfo.go

@@ -0,0 +1,52 @@
+package cron
+
+import (
+	"time"
+
+	"github.com/bjdgyc/anylink/base"
+	"github.com/bjdgyc/anylink/dbdata"
+)
+
+const siLifeDay = 30
+
+// 清除图表数据
+func ClearStatsInfo() {
+	_, timesUp := isClearTime()
+	if !timesUp {
+		return
+	}
+	ts := getTimeAgo(siLifeDay)
+	for _, item := range dbdata.StatsInfoIns.Actions {
+		affected, err := dbdata.StatsInfoIns.ClearStatsInfo(item, ts)
+		base.Info("Cron ClearStatsInfo  "+item+": ", affected, err)
+	}
+}
+
+// 是否到了"清理时间"
+func isClearTime() (int, bool) {
+	dataLog, err := dbdata.SettingGetAuditLog()
+	if err != nil {
+		base.Error("Cron SettingGetLog: ", err)
+		return -1, false
+	}
+	currentTime := time.Now().Format("15:04")
+	// 未到"清理时间"时, 则返回
+	if dataLog.ClearTime != currentTime {
+		return -1, false
+	}
+	return dataLog.LifeDay, true
+}
+
+// 根据存储时长，获取清理日期
+func getTimeAgo(days int) string {
+	var timeS string
+	ts := time.Now().AddDate(0, 0, -days)
+	tsZero := time.Date(ts.Year(), ts.Month(), ts.Day(), 0, 0, 0, 0, time.Local)
+	timeS = tsZero.Format(dbdata.LayoutTimeFormat)
+	// UTC
+	switch base.Cfg.DbType {
+	case "sqlite3", "postgres":
+		timeS = tsZero.UTC().Format(dbdata.LayoutTimeFormat)
+	}
+	return timeS
+}