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cloudreve/pkg/task/decompress.go

135 lines
2.8 KiB

package task
import (
"context"
"encoding/json"
model "github.com/cloudreve/Cloudreve/v3/models"
"github.com/cloudreve/Cloudreve/v3/pkg/filesystem"
"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/fsctx"
)
// 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"`
}
// 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("无法创建文件系统", err)
return
}
job.TaskModel.SetProgress(DecompressingProgress)
// 禁止重名覆盖
ctx := context.Background()
ctx = context.WithValue(ctx, fsctx.DisableOverwrite, true)
err = fs.Decompress(ctx, job.TaskProps.Src, job.TaskProps.Dst)
if err != nil {
job.SetErrorMsg("解压缩失败", err)
return
}
}
// NewDecompressTask 新建压缩任务
func NewDecompressTask(user *model.User, src, dst string) (Job, error) {
newTask := &DecompressTask{
User: user,
TaskProps: DecompressProps{
Src: src,
Dst: dst,
},
}
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
}