package task import ( "context" "encoding/json" "path" model "github.com/cloudreve/Cloudreve/v3/models" "github.com/cloudreve/Cloudreve/v3/pkg/filesystem" "github.com/cloudreve/Cloudreve/v3/pkg/filesystem/fsctx" "github.com/cloudreve/Cloudreve/v3/pkg/util" ) // ImportTask 导入务 type ImportTask struct { User *model.User TaskModel *model.Task TaskProps ImportProps Err *JobError } // ImportProps 导入任务属性 type ImportProps struct { PolicyID uint `json:"policy_id"` // 存储策略ID Src string `json:"src"` // 原始路径 Recursive bool `json:"is_recursive"` // 是否递归导入 Dst string `json:"dst"` // 目的目录 } // Props 获取任务属性 func (job *ImportTask) Props() string { res, _ := json.Marshal(job.TaskProps) return string(res) } // Type 获取任务状态 func (job *ImportTask) Type() int { return ImportTaskType } // Creator 获取创建者ID func (job *ImportTask) Creator() uint { return job.User.ID } // Model 获取任务的数据库模型 func (job *ImportTask) Model() *model.Task { return job.TaskModel } // SetStatus 设定状态 func (job *ImportTask) SetStatus(status int) { job.TaskModel.SetStatus(status) } // SetError 设定任务失败信息 func (job *ImportTask) 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 *ImportTask) 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 *ImportTask) GetError() *JobError { return job.Err } // Do 开始执行任务 func (job *ImportTask) Do() { ctx := context.Background() // 查找存储策略 policy, err := model.GetPolicyByID(job.TaskProps.PolicyID) if err != nil { job.SetErrorMsg("Policy not exist.", err) return } // 创建文件系统 fs, err := filesystem.NewFileSystem(job.User) if err != nil { job.SetErrorMsg(err.Error(), nil) return } defer fs.Recycle() fs.Policy = &policy if err := fs.DispatchHandler(); err != nil { job.SetErrorMsg("Failed to dispatch policy.", err) return } // 注册钩子 fs.Use("BeforeAddFile", filesystem.HookValidateFile) fs.Use("BeforeAddFile", filesystem.HookValidateCapacity) // 列取目录、对象 job.TaskModel.SetProgress(ListingProgress) coxIgnoreConflict := context.WithValue(context.Background(), fsctx.IgnoreDirectoryConflictCtx, true) objects, err := fs.Handler.List(ctx, job.TaskProps.Src, job.TaskProps.Recursive) if err != nil { job.SetErrorMsg("Failed to list files.", err) return } job.TaskModel.SetProgress(InsertingProgress) // 虚拟目录路径与folder对象ID的对应 pathCache := make(map[string]*model.Folder, len(objects)) // 插入目录记录到用户文件系统 for _, object := range objects { if object.IsDir { // 创建目录 virtualPath := path.Join(job.TaskProps.Dst, object.RelativePath) folder, err := fs.CreateDirectory(coxIgnoreConflict, virtualPath) if err != nil { util.Log().Warning("Importing task cannot create user directory %q: %s", virtualPath, err) } else if folder.ID > 0 { pathCache[virtualPath] = folder } } } // 插入文件记录到用户文件系统 for _, object := range objects { if !object.IsDir { // 创建文件信息 virtualPath := path.Dir(path.Join(job.TaskProps.Dst, object.RelativePath)) fileHeader := fsctx.FileStream{ Size: object.Size, VirtualPath: virtualPath, Name: object.Name, SavePath: object.Source, } // 查找父目录 parentFolder := &model.Folder{} if parent, ok := pathCache[virtualPath]; ok { parentFolder = parent } else { folder, err := fs.CreateDirectory(context.Background(), virtualPath) if err != nil { util.Log().Warning("Importing task cannot create user directory %q: %s", virtualPath, err) continue } parentFolder = folder } // 插入文件记录 _, err := fs.AddFile(context.Background(), parentFolder, &fileHeader) if err != nil { util.Log().Warning("Importing task cannot insert user file %q: %s", object.RelativePath, err) if err == filesystem.ErrInsufficientCapacity { job.SetErrorMsg("Insufficient storage capacity.", err) return } } } } } // NewImportTask 新建导入任务 func NewImportTask(user, policy uint, src, dst string, recursive bool) (Job, error) { creator, err := model.GetActiveUserByID(user) if err != nil { return nil, err } newTask := &ImportTask{ User: &creator, TaskProps: ImportProps{ PolicyID: policy, Recursive: recursive, Src: src, Dst: dst, }, } record, err := Record(newTask) if err != nil { return nil, err } newTask.TaskModel = record return newTask, nil } // NewImportTaskFromModel 从数据库记录中恢复导入任务 func NewImportTaskFromModel(task *model.Task) (Job, error) { user, err := model.GetActiveUserByID(task.UserID) if err != nil { return nil, err } newTask := &ImportTask{ User: &user, TaskModel: task, } err = json.Unmarshal([]byte(task.Props), &newTask.TaskProps) if err != nil { return nil, err } return newTask, nil }