mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-03 16:00:25 +08:00
87 lines
2.2 KiB
Go
87 lines
2.2 KiB
Go
package entity
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import (
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"mayfly-go/pkg/model"
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"time"
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)
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const BinlogDownloadInterval = time.Minute * 15
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var _ DbTask = (*DbBinlog)(nil)
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// DbBinlog 数据库备份任务
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type DbBinlog struct {
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model.Model
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StartTime time.Time `gorm:"column(start_time)" json:"startTime"` // 开始时间: 2023-11-08 02:00:00
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Interval time.Duration `gorm:"column(interval)" json:"interval"` // 间隔时间: 为零表示单次执行，为正表示反复执行
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Enabled bool `gorm:"column(enabled)" json:"enabled"` // 是否启用
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LastStatus TaskStatus `gorm:"column(last_status)" json:"lastStatus"` // 最近一次执行状态
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LastResult string `gorm:"column(last_result)" json:"lastResult"` // 最近一次执行结果
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LastTime time.Time `gorm:"column(last_time)" json:"lastTime"` // 最近一次执行时间: 2023-11-08 02:00:00
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DbInstanceId uint64 `gorm:"column(db_instance_id)" json:"dbInstanceId"`
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Deadline time.Time `gorm:"-" json:"-"`
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}
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func NewDbBinlog(history *DbBackupHistory) *DbBinlog {
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binlogTask := &DbBinlog{
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StartTime: time.Now(),
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Enabled: true,
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Interval: BinlogDownloadInterval,
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DbInstanceId: history.DbInstanceId,
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}
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binlogTask.Id = binlogTask.DbInstanceId
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return binlogTask
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}
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func (d *DbBinlog) TableName() string {
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return "t_db_binlog"
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}
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func (d *DbBinlog) GetId() uint64 {
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if d == nil {
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return 0
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}
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return d.Id
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}
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func (d *DbBinlog) GetDeadline() time.Time {
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return d.Deadline
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}
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func (d *DbBinlog) Schedule() bool {
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if !d.Enabled {
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return false
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}
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switch d.LastStatus {
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case TaskSuccess:
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if d.Interval == 0 {
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return false
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}
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lastTime := d.LastTime
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if d.LastTime.Sub(d.StartTime) < 0 {
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lastTime = d.StartTime.Add(-d.Interval)
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}
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d.Deadline = lastTime.Add(d.Interval - d.LastTime.Sub(d.StartTime)%d.Interval)
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case TaskFailed:
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d.Deadline = time.Now().Add(time.Minute)
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default:
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d.Deadline = d.StartTime
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}
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return true
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}
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func (d *DbBinlog) IsFinished() bool {
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return false
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}
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func (d *DbBinlog) Update(task DbTask) bool {
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switch t := task.(type) {
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case *DbBinlog:
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d.StartTime = t.StartTime
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d.Interval = t.Interval
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return true
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}
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return false
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}
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