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goodBaby/handler/logstore/logstore.go
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// Package logstore 负责写入与清理规则执行日志
package logstore
import (
"log"
"time"
"github.com/ssdomei232/goodBaby/configs"
"github.com/ssdomei232/goodBaby/handler/db"
"github.com/ssdomei232/goodBaby/model"
)
// Record 写入一条执行日志,失败只记录到标准输出,不影响主流程
func Record(entry *model.ExecutionLog) {
gormDB, err := db.GetGormDB()
if err != nil {
log.Printf("写入执行日志失败: %v", err)
return
}
if entry.CreateAt == 0 {
entry.CreateAt = time.Now().Unix()
}
if err := gormDB.Create(entry).Error; err != nil {
log.Printf("写入执行日志失败: %v", err)
return
}
trim(entry.UID)
}
// trim 按配置保留每个用户最近的 N 条日志
func trim(uid uint) {
config, err := configs.GetConfig()
if err != nil || config.LogRetainCount <= 0 {
return
}
gormDB, err := db.GetGormDB()
if err != nil {
return
}
// 用 Find 而不是 First:日志没超出保留条数是常态,
// First 找不到记录会返回 ErrRecordNotFound,每写一条日志都刷一行 gorm 警告。
var cutoff []model.ExecutionLog
if err := gormDB.Where("uid = ?", uid).
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Order("id DESC").
Offset(config.LogRetainCount).
Limit(1).
Find(&cutoff).Error; err != nil {
log.Printf("清理执行日志失败: %v", err)
return
}
if len(cutoff) == 0 {
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// 没有超出保留条数
return
}
if err := gormDB.Where("uid = ? AND id <= ?", uid, cutoff[0].ID).
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Delete(&model.ExecutionLog{}).Error; err != nil {
log.Printf("清理执行日志失败: %v", err)
}
}