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			144 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			144 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package filesystem
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| 
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| import (
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| 	"context"
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| 	model "github.com/HFO4/cloudreve/models"
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| 	"path"
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| )
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| 
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| /* =================
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| 	 路径/目录相关
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|    =================
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| */
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| 
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| // Object 文件或者目录
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| type Object struct {
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| 	ID   uint   `json:"id"`
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| 	Name string `json:"name"`
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| 	Path string `json:"path"`
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| 	Pic  string `json:"pic"`
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| 	Size uint64 `json:"size"`
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| 	Type string `json:"type"`
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| 	Date string `json:"date"`
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| }
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| 
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| // List 列出路径下的内容,
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| // pathProcessor为最终对象路径的处理钩子。
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| // 有些情况下(如在分享页面列对象)时,
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| // 路径需要截取掉被分享目录路径之前的部分。
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| func (fs *FileSystem) List(ctx context.Context, path string, pathProcessor func(string) string) ([]Object, error) {
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| 	// 获取父目录
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| 	isExist, folder := fs.IsPathExist(path)
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| 	// 不存在时返回空的结果
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| 	if !isExist {
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| 		return nil, nil
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| 	}
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| 
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| 	// 获取子目录
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| 	childFolders, _ := folder.GetChildFolder()
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| 	// 获取子文件
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| 	childFiles, _ := folder.GetChildFile()
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| 
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| 	// 汇总处理结果
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| 	objects := make([]Object, 0, len(childFiles)+len(childFolders))
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| 	// 所有对象的父目录
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| 	var processedPath string
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| 
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| 	for _, folder := range childFolders {
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| 		// 路径处理钩子,
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| 		// 所有对象父目录都是一样的,所以只处理一次
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| 		if processedPath == "" {
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| 			if pathProcessor != nil {
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| 				processedPath = pathProcessor(folder.Position)
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| 			} else {
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| 				processedPath = folder.Position
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| 			}
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| 		}
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| 
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| 		objects = append(objects, Object{
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| 			ID:   folder.ID,
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| 			Name: folder.Name,
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| 			Path: processedPath,
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| 			Pic:  "",
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| 			Size: 0,
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| 			Type: "dir",
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| 			Date: folder.CreatedAt.Format("2006-01-02 15:04:05"),
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| 		})
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| 	}
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| 
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| 	for _, file := range childFiles {
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| 		if processedPath == "" {
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| 			if pathProcessor != nil {
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| 				processedPath = pathProcessor(file.Dir)
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| 			} else {
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| 				processedPath = file.Dir
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| 			}
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| 		}
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| 
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| 		objects = append(objects, Object{
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| 			ID:   file.ID,
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| 			Name: file.Name,
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| 			Path: processedPath,
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| 			Pic:  file.PicInfo,
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| 			Size: file.Size,
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| 			Type: "file",
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| 			Date: file.CreatedAt.Format("2006-01-02 15:04:05"),
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| 		})
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| 	}
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| 
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| 	return objects, nil
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| }
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| 
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| // CreateDirectory 根据给定的完整创建目录,不会递归创建
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| func (fs *FileSystem) CreateDirectory(ctx context.Context, fullPath string) error {
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| 	// 获取要创建目录的父路径和目录名
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| 	fullPath = path.Clean(fullPath)
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| 	base := path.Dir(fullPath)
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| 	dir := path.Base(fullPath)
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| 
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| 	// 检查目录名是否合法
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| 	if !fs.ValidateLegalName(ctx, dir) {
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| 		return ErrIllegalObjectName
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| 	}
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| 
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| 	// 父目录是否存在
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| 	isExist, parent := fs.IsPathExist(base)
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| 	if !isExist {
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| 		return ErrPathNotExist
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| 	}
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| 
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| 	// 是否有同名文件
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| 	if ok, _ := fs.IsFileExist(path.Join(base, dir)); ok {
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| 		return ErrFileExisted
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| 	}
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| 
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| 	// 创建目录
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| 	newFolder := model.Folder{
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| 		Name:             dir,
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| 		ParentID:         parent.ID,
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| 		Position:         base,
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| 		OwnerID:          fs.User.ID,
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| 		PositionAbsolute: fullPath,
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| 	}
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| 	_, err := newFolder.Create()
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| 
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| 	return err
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| }
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| 
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| // IsPathExist 返回给定目录是否存在
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| // 如果存在就返回目录
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| func (fs *FileSystem) IsPathExist(path string) (bool, *model.Folder) {
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| 	folder, err := model.GetFolderByPath(path, fs.User.ID)
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| 	return err == nil, &folder
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| }
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| 
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| // IsFileExist 返回给定路径的文件是否存在
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| func (fs *FileSystem) IsFileExist(fullPath string) (bool, model.File) {
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| 	basePath := path.Dir(fullPath)
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| 	fileName := path.Base(fullPath)
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| 
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| 	file, err := model.GetFileByPathAndName(basePath, fileName, fs.User.ID)
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| 
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| 	return err == nil, file
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| }
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