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128 lines
2.6 KiB
128 lines
2.6 KiB
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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)
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// DecompressTask 文件压缩任务
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type DecompressTask struct {
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User *model.User
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TaskModel *model.Task
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TaskProps DecompressProps
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Err *JobError
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zipPath string
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}
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// DecompressProps 压缩任务属性
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type DecompressProps struct {
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Src string `json:"src"`
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Dst string `json:"dst"`
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}
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// Props 获取任务属性
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func (job *DecompressTask) 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 *DecompressTask) Type() int {
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return DecompressTaskType
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}
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// Creator 获取创建者ID
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func (job *DecompressTask) 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 *DecompressTask) 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 *DecompressTask) 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 *DecompressTask) 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 *DecompressTask) 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 *DecompressTask) 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 *DecompressTask) 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("无法创建文件系统", err)
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return
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}
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job.TaskModel.SetProgress(DecompressingProgress)
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err = fs.Decompress(context.Background(), job.TaskProps.Src, job.TaskProps.Dst)
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if err != nil {
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job.SetErrorMsg("解压缩失败", err)
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return
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}
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}
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// NewDecompressTask 新建压缩任务
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func NewDecompressTask(user *model.User, src, dst string) (Job, error) {
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newTask := &DecompressTask{
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User: user,
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TaskProps: DecompressProps{
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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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// NewDecompressTaskFromModel 从数据库记录中恢复压缩任务
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func NewDecompressTaskFromModel(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 := &DecompressTask{
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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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