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cloudreve/pkg/task/recycle.go

131 lines
2.9 KiB

package task
import (
"encoding/json"
model "github.com/cloudreve/Cloudreve/v3/models"
"github.com/cloudreve/Cloudreve/v3/pkg/cluster"
"github.com/cloudreve/Cloudreve/v3/pkg/util"
)
// RecycleTask 文件回收任务
type RecycleTask struct {
User *model.User
TaskModel *model.Task
TaskProps RecycleProps
Err *JobError
}
// RecycleProps 回收任务属性
type RecycleProps struct {
// 下载任务 GID
DownloadGID string `json:"download_gid"`
}
// Props 获取任务属性
func (job *RecycleTask) Props() string {
res, _ := json.Marshal(job.TaskProps)
return string(res)
}
// Type 获取任务状态
func (job *RecycleTask) Type() int {
return RecycleTaskType
}
// Creator 获取创建者ID
func (job *RecycleTask) Creator() uint {
return job.User.ID
}
// Model 获取任务的数据库模型
func (job *RecycleTask) Model() *model.Task {
return job.TaskModel
}
// SetStatus 设定状态
func (job *RecycleTask) SetStatus(status int) {
job.TaskModel.SetStatus(status)
}
// SetError 设定任务失败信息
func (job *RecycleTask) SetError(err *JobError) {
job.Err = err
res, _ := json.Marshal(job.Err)
job.TaskModel.SetError(string(res))
}
// SetErrorMsg 设定任务失败信息
func (job *RecycleTask) SetErrorMsg(msg string, err error) {
jobErr := &JobError{Msg: msg}
if err != nil {
jobErr.Error = err.Error()
}
job.SetError(jobErr)
}
// GetError 返回任务失败信息
func (job *RecycleTask) GetError() *JobError {
return job.Err
}
// Do 开始执行任务
func (job *RecycleTask) Do() {
download, err := model.GetDownloadByGid(job.TaskProps.DownloadGID, job.User.ID)
if err != nil {
util.Log().Warning("Recycle task %d cannot found download record.", job.TaskModel.ID)
job.SetErrorMsg("Cannot found download task.", err)
return
}
nodeID := download.GetNodeID()
node := cluster.Default.GetNodeByID(nodeID)
if node == nil {
util.Log().Warning("Recycle task %d cannot found node.", job.TaskModel.ID)
job.SetErrorMsg("Invalid slave node.", nil)
return
}
err = node.GetAria2Instance().DeleteTempFile(download)
if err != nil {
util.Log().Warning("Failed to delete transfer temp folder %q: %s", download.Parent, err)
job.SetErrorMsg("Failed to recycle files.", err)
return
}
}
// NewRecycleTask 新建回收任务
func NewRecycleTask(download *model.Download) (Job, error) {
newTask := &RecycleTask{
User: download.GetOwner(),
TaskProps: RecycleProps{
DownloadGID: download.GID,
},
}
record, err := Record(newTask)
if err != nil {
return nil, err
}
newTask.TaskModel = record
return newTask, nil
}
// NewRecycleTaskFromModel 从数据库记录中恢复回收任务
func NewRecycleTaskFromModel(task *model.Task) (Job, error) {
user, err := model.GetActiveUserByID(task.UserID)
if err != nil {
return nil, err
}
newTask := &RecycleTask{
User: &user,
TaskModel: task,
}
err = json.Unmarshal([]byte(task.Props), &newTask.TaskProps)
if err != nil {
return nil, err
}
return newTask, nil
}