Files
mend/fstree/fs.go

124 lines
2.2 KiB
Go

/*
This file has the raw file io operations that are used by FsTree
or elsewhere in the app. Nowhere else should there be a direct
fileopen
- ruinivist, 30Dec25
*/
package fstree
import (
"errors"
"os"
"path/filepath"
)
func walkFileSystemAndBuildTree(rootPath string, node *FsNode) error {
if node == nil {
return errors.New("node cannot be nil")
}
if len(node.children) > 0 {
return errors.New("node already has children")
}
entries, err := os.ReadDir(rootPath)
if err != nil {
return err
}
for _, entry := range entries {
childPath := filepath.Join(rootPath, entry.Name())
var nodeType FsNodeType
if entry.IsDir() {
nodeType = FolderNode
} else {
nodeType = FileNode
}
childNode := &FsNode{
nodeType: nodeType,
path: childPath,
children: make([]*FsNode, 0),
parent: node,
expanded: false,
}
node.children = append(node.children, childNode)
// Recursively walk subdirectories
if entry.IsDir() {
if err := walkFileSystemAndBuildTree(childPath, childNode); err != nil {
return err
}
}
}
return nil
}
func createFile(path string, content []byte) error {
if path == "" {
return errors.New("file path cannot be empty")
}
if _, err := os.Stat(path); err == nil {
return errors.New("file already exists")
}
return os.WriteFile(path, content, 0644)
}
func createFolder(path string) error {
if path == "" {
return errors.New("folder path cannot be empty")
}
if _, err := os.Stat(path); err == nil {
return errors.New("folder already exists")
}
return os.Mkdir(path, 0755)
}
func deleteFile(path string) error {
if path == "" {
return errors.New("file path cannot be empty")
}
info, err := os.Stat(path)
if err != nil {
if os.IsNotExist(err) {
return errors.New("file does not exist")
}
return err
}
if info.IsDir() {
return errors.New("path is a directory, not a file")
}
return os.Remove(path)
}
func deleteFolder(path string) error {
if path == "" {
return errors.New("folder path cannot be empty")
}
info, err := os.Stat(path)
if err != nil {
if os.IsNotExist(err) {
return errors.New("folder does not exist")
}
return err
}
if !info.IsDir() {
return errors.New("path is a file, not a directory")
}
return os.RemoveAll(path)
}