package task import ( "context" "encoding/json" model "github.com/cloudreve/Cloudreve/v3/models" "github.com/cloudreve/Cloudreve/v3/pkg/filesystem" ) // DecompressTask 文件压缩任务 type DecompressTask struct { User *model.User TaskModel *model.Task TaskProps DecompressProps Err *JobError zipPath string } // DecompressProps 压缩任务属性 type DecompressProps struct { Src string `json:"src"` Dst string `json:"dst"` Encoding string `json:"encoding"` } // Props 获取任务属性 func (job *DecompressTask) Props() string { res, _ := json.Marshal(job.TaskProps) return string(res) } // Type 获取任务状态 func (job *DecompressTask) Type() int { return DecompressTaskType } // Creator 获取创建者ID func (job *DecompressTask) Creator() uint { return job.User.ID } // Model 获取任务的数据库模型 func (job *DecompressTask) Model() *model.Task { return job.TaskModel } // SetStatus 设定状态 func (job *DecompressTask) SetStatus(status int) { job.TaskModel.SetStatus(status) } // SetError 设定任务失败信息 func (job *DecompressTask) 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 *DecompressTask) 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 *DecompressTask) GetError() *JobError { return job.Err } // Do 开始执行任务 func (job *DecompressTask) Do() { // 创建文件系统 fs, err := filesystem.NewFileSystem(job.User) if err != nil { job.SetErrorMsg("Failed to create filesystem.", err) return } job.TaskModel.SetProgress(DecompressingProgress) err = fs.Decompress(context.Background(), job.TaskProps.Src, job.TaskProps.Dst, job.TaskProps.Encoding) if err != nil { job.SetErrorMsg("Failed to decompress file.", err) return } } // NewDecompressTask 新建压缩任务 func NewDecompressTask(user *model.User, src, dst, encoding string) (Job, error) { newTask := &DecompressTask{ User: user, TaskProps: DecompressProps{ Src: src, Dst: dst, Encoding: encoding, }, } record, err := Record(newTask) if err != nil { return nil, err } newTask.TaskModel = record return newTask, nil } // NewDecompressTaskFromModel 从数据库记录中恢复压缩任务 func NewDecompressTaskFromModel(task *model.Task) (Job, error) { user, err := model.GetActiveUserByID(task.UserID) if err != nil { return nil, err } newTask := &DecompressTask{ User: &user, TaskModel: task, } err = json.Unmarshal([]byte(task.Props), &newTask.TaskProps) if err != nil { return nil, err } return newTask, nil }