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main.go
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main.go
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package main
import (
"fmt"
"io"
"io/fs"
"log"
"os"
"path/filepath"
"strings"
)
const (
parentFolder = "Parent"
)
var (
extensionCounterStats = make(map[string]int)
extensionsMap = make(map[string][]string)
)
// call api virus total
func main() {
// passing a file in args
filename := os.Args[1]
file, err := os.Open(filename)
if err != nil {
log.Fatal(err)
}
fileStat, err := file.Stat()
if err != nil {
log.Fatal(err)
}
if fileStat.IsDir() {
filepath.Walk(filename, func(path string, info fs.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() {
ext := extensionCleaned(path)
extensionsMap[ext] = append(extensionsMap[ext], path)
extensionCounterStats[ext] += 1
}
return nil
})
} else {
ext := filepath.Ext(file.Name())
if ext == "zip" {
}
}
batchTransfer(extensionsMap)
report(extensionCounterStats)
}
func batchTransfer(extensions map[string][]string) {
for _, filepaths := range extensions {
for _, f := range filepaths {
transfer(f)
}
}
}
func extensionCleaned(filename string) string {
return strings.ToLower(strings.TrimLeft(filepath.Ext(filename), "."))
}
func createDir(dirName string) error {
return os.MkdirAll(fmt.Sprintf("%s%s%s", parentFolder, string(os.PathSeparator), dirName), 0755)
}
func copyFile(dirTarget string, src *os.File) error {
targetFolder := fmt.Sprintf("%s%s%s",
parentFolder,
string(os.PathSeparator),
dirTarget,
)
fileInfo, err := src.Stat()
if err != nil {
return err
}
dst, err := os.Create(targetFolder + string(os.PathSeparator) + fileInfo.Name())
if err != nil {
return err
}
defer dst.Close()
_, err = io.Copy(dst, src)
if err != nil {
return err
}
return nil
}
func transfer(filepathSrc string) error {
fileSrc, err := os.Open(filepathSrc)
if err != nil {
return err
}
defer fileSrc.Close()
var dirTarget string
switch extensionCleaned(filepathSrc) {
case "jpg", "jpeg", "png", "aae":
dirTarget = "photos"
case "mp3":
dirTarget = "music"
case "mp4", "mov":
dirTarget = "video"
case "pdf", "docx", "doc", "rtf":
dirTarget = "document"
case "xls", "xlsm", "xlsx":
dirTarget = "excel"
case "ppt", "pptx":
dirTarget = "presentation"
case "zip", "rar":
dirTarget = "compression"
default:
dirTarget = "others"
}
if err := createDir(dirTarget); err != nil {
return err
}
return copyFile(dirTarget, fileSrc)
}
func report(extensionStats map[string]int) {
total := 0
for _, v := range extensionStats {
total += v
}
fmt.Printf("Total de arquivos é de: %d \n", total)
}