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package fileop
import (
"crypto/sha256"
"fmt"
"io"
"os"
"path/filepath"
)
func WalkFolder(folder string) <-chan string {
c := make(chan string)
go func(folder string, c chan string) {
filepath.Walk(folder, func(path string, info os.FileInfo, err error) error {
file, _ := os.Open(path)
defer file.Close()
fileInfo, _ := file.Stat()
if !fileInfo.IsDir() {
c <- path
}
return nil
})
close(c)
}(folder, c)
return c
}
func CalculateSHA256(file string) (string, error) {
f, err := os.Open(file)
if err != nil {
return "", err
}
defer f.Close()
h := sha256.New()
if _, err := io.Copy(h, f); err != nil {
return "", err
}
shaString := fmt.Sprintf("%x", h.Sum(nil))
return shaString, nil
}
type MoveCommand struct {
Source string
Destination string
}
func Move() chan<- *MoveCommand {
c := make(chan *MoveCommand)
go func(chan *MoveCommand) {
for cmd := range c {
// TODO: add error handling
err := os.Rename(cmd.Source, cmd.Destination)
if err != nil {
fmt.Println(err.Error())
}
}
}(c)
return c
}
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