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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/HFO4/cloudreve/models"
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"github.com/HFO4/cloudreve/pkg/filesystem"
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"github.com/HFO4/cloudreve/pkg/filesystem/driver/local"
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"github.com/HFO4/cloudreve/pkg/filesystem/fsctx"
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"github.com/HFO4/cloudreve/pkg/util"
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"path"
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)
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// ImportTask 导入务
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type ImportTask struct {
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User *model.User
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TaskModel *model.Task
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TaskProps ImportProps
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Err *JobError
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}
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// ImportProps 导入任务属性
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type ImportProps struct {
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PolicyID uint `json:"policy_id"` // 存储策略ID
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Src string `json:"src"` // 原始路径
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Recursive bool `json:"is_recursive"` // 是否递归导入
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Dst string `json:"dst"` // 目的目录
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}
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// Props 获取任务属性
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func (job *ImportTask) 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 *ImportTask) Type() int {
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return ImportTaskType
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}
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// Creator 获取创建者ID
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func (job *ImportTask) 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 *ImportTask) 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 *ImportTask) 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 *ImportTask) 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 *ImportTask) SetErrorMsg(msg string, err error) {
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jobErr := &JobError{Msg: msg}
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if err != nil {
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jobErr.Error = err.Error()
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}
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job.SetError(jobErr)
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}
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// GetError 返回任务失败信息
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func (job *ImportTask) 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 *ImportTask) Do() {
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ctx := context.Background()
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// 查找存储策略
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policy, err := model.GetPolicyByID(job.TaskProps.PolicyID)
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if err != nil {
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job.SetErrorMsg("找不到存储策略", err)
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return
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}
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// 创建文件系统
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job.User.Policy = policy
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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(), nil)
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return
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}
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defer fs.Recycle()
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// 注册钩子
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fs.Use("BeforeAddFile", filesystem.HookValidateFile)
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fs.Use("BeforeAddFile", filesystem.HookValidateCapacity)
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fs.Use("AfterValidateFailed", filesystem.HookGiveBackCapacity)
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// 列取目录、对象
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job.TaskModel.SetProgress(ListingProgress)
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coxIgnoreConflict := context.WithValue(context.Background(), fsctx.IgnoreConflictCtx,
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true)
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objects, err := fs.Handler.List(ctx, job.TaskProps.Src, job.TaskProps.Recursive)
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if err != nil {
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job.SetErrorMsg("无法列取文件", err)
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return
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}
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job.TaskModel.SetProgress(InsertingProgress)
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// 虚拟目录路径与folder对象ID的对应
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pathCache := make(map[string]*model.Folder, len(objects))
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// 插入目录记录到用户文件系统
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for _, object := range objects {
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if object.IsDir {
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// 创建目录
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virtualPath := path.Join(job.TaskProps.Dst, object.RelativePath)
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folder, err := fs.CreateDirectory(coxIgnoreConflict, virtualPath)
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if err != nil {
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util.Log().Warning("导入任务无法创建用户目录[%s], %s", virtualPath, err)
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} else if folder.ID > 0 {
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pathCache[virtualPath] = folder
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}
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}
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}
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// 插入文件记录到用户文件系统
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for _, object := range objects {
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if !object.IsDir {
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// 创建文件信息
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virtualPath := path.Dir(path.Join(job.TaskProps.Dst, object.RelativePath))
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fileHeader := local.FileStream{
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Size: object.Size,
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VirtualPath: virtualPath,
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Name: object.Name,
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}
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addFileCtx := context.WithValue(ctx, fsctx.FileHeaderCtx, fileHeader)
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addFileCtx = context.WithValue(addFileCtx, fsctx.SavePathCtx, object.Source)
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// 查找父目录
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parentFolder := &model.Folder{}
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if parent, ok := pathCache[virtualPath]; ok {
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parentFolder = parent
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} else {
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folder, err := fs.CreateDirectory(context.Background(), virtualPath)
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if err != nil {
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util.Log().Warning("导入任务无法创建用户目录[%s], %s",
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virtualPath, err)
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continue
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}
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parentFolder = folder
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}
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// 插入文件记录
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_, err := fs.AddFile(addFileCtx, parentFolder)
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if err != nil {
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util.Log().Warning("导入任务无法创插入文件[%s], %s",
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object.RelativePath, err)
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if err == filesystem.ErrInsufficientCapacity {
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job.SetErrorMsg("容量不足", err)
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return
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}
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}
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}
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}
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}
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// NewImportTask 新建导入任务
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func NewImportTask(user, policy uint, src, dst string, recursive bool) (Job, error) {
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creator, err := model.GetActiveUserByID(user)
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if err != nil {
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return nil, err
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}
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newTask := &ImportTask{
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User: &creator,
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TaskProps: ImportProps{
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PolicyID: policy,
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Recursive: recursive,
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Src: src,
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Dst: dst,
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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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// NewImportTaskFromModel 从数据库记录中恢复导入任务
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func NewImportTaskFromModel(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 := &ImportTask{
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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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