177 lines
3.9 KiB
Go
177 lines
3.9 KiB
Go
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package task
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import (
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"context"
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"encoding/json"
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model "github.com/cloudreve/Cloudreve/v3/models"
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"github.com/cloudreve/Cloudreve/v3/pkg/filesystem"
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"github.com/cloudreve/Cloudreve/v3/pkg/util"
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)
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// RelocateTask 存储策略迁移任务
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type RelocateTask struct {
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User *model.User
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TaskModel *model.Task
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TaskProps RelocateProps
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Err *JobError
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}
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// RelocateProps 存储策略迁移任务属性
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type RelocateProps struct {
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Dirs []uint `json:"dirs"`
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Files []uint `json:"files"`
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DstPolicyID uint `json:"dst_policy_id"`
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}
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// Props 获取任务属性
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func (job *RelocateTask) Props() string {
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res, _ := json.Marshal(job.TaskProps)
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return string(res)
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}
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// Type 获取任务状态
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func (job *RelocateTask) Type() int {
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return RelocateTaskType
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}
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// Creator 获取创建者ID
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func (job *RelocateTask) Creator() uint {
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return job.User.ID
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}
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// Model 获取任务的数据库模型
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func (job *RelocateTask) Model() *model.Task {
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return job.TaskModel
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}
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// SetStatus 设定状态
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func (job *RelocateTask) SetStatus(status int) {
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job.TaskModel.SetStatus(status)
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}
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// SetError 设定任务失败信息
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func (job *RelocateTask) SetError(err *JobError) {
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job.Err = err
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res, _ := json.Marshal(job.Err)
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job.TaskModel.SetError(string(res))
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}
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// SetErrorMsg 设定任务失败信息
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func (job *RelocateTask) SetErrorMsg(msg string) {
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job.SetError(&JobError{Msg: msg})
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}
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// GetError 返回任务失败信息
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func (job *RelocateTask) GetError() *JobError {
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return job.Err
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}
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// Do 开始执行任务
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func (job *RelocateTask) Do() {
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// 创建文件系统
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fs, err := filesystem.NewFileSystem(job.User)
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if err != nil {
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job.SetErrorMsg(err.Error())
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return
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}
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job.TaskModel.SetProgress(ListingProgress)
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util.Log().Debug("Start migration task.")
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// ----------------------------
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// 索引出所有待迁移的文件
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// ----------------------------
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targetFiles := make([]model.File, 0, len(job.TaskProps.Files))
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// 索引用户选择的单独的文件
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outerFiles, err := model.GetFilesByIDs(job.TaskProps.Files, job.User.ID)
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if err != nil {
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job.SetError(&JobError{
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Msg: "Failed to index files.",
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Error: err.Error(),
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})
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return
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}
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targetFiles = append(targetFiles, outerFiles...)
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// 索引用户选择目录下的所有递归子文件
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subFolders, err := model.GetRecursiveChildFolder(job.TaskProps.Dirs, job.User.ID, true)
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if err != nil {
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job.SetError(&JobError{
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Msg: "Failed to index child folders.",
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Error: err.Error(),
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})
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return
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}
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subFiles, err := model.GetChildFilesOfFolders(&subFolders)
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if err != nil {
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job.SetError(&JobError{
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Msg: "Failed to index child files.",
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Error: err.Error(),
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})
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return
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}
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targetFiles = append(targetFiles, subFiles...)
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// 查找目标存储策略
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policy, err := model.GetPolicyByID(job.TaskProps.DstPolicyID)
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if err != nil {
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job.SetError(&JobError{
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Msg: "Invalid policy.",
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Error: err.Error(),
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})
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return
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}
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// 开始转移文件
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job.TaskModel.SetProgress(TransferringProgress)
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ctx := context.Background()
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err = fs.Relocate(ctx, targetFiles, &policy)
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if err != nil {
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job.SetErrorMsg(err.Error())
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return
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}
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return
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}
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// NewRelocateTask 新建转移任务
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func NewRelocateTask(user *model.User, dstPolicyID uint, dirs, files []uint) (Job, error) {
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newTask := &RelocateTask{
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User: user,
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TaskProps: RelocateProps{
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Dirs: dirs,
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Files: files,
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DstPolicyID: dstPolicyID,
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},
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}
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record, err := Record(newTask)
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if err != nil {
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return nil, err
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}
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newTask.TaskModel = record
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return newTask, nil
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}
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// NewCompressTaskFromModel 从数据库记录中恢复压缩任务
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func NewRelocateTaskFromModel(task *model.Task) (Job, error) {
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user, err := model.GetActiveUserByID(task.UserID)
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if err != nil {
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return nil, err
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}
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newTask := &RelocateTask{
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User: &user,
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TaskModel: task,
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}
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err = json.Unmarshal([]byte(task.Props), &newTask.TaskProps)
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if err != nil {
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return nil, err
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}
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return newTask, nil
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}
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