gt/internal/files/files.go
2024-08-14 19:01:54 -07:00

175 lines
3.2 KiB
Go

// Package files finds and displays files on disk
package files
import (
"cmp"
"fmt"
"io/fs"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"github.com/charmbracelet/log"
)
type File interface {
Name() string
Path() string
Date() time.Time
Filesize() int64
IsDir() bool
Mode() fs.FileMode
String() string
}
type Files []File
func (fls Files) String() string {
var out = strings.Builder{}
for _, file := range fls {
out.WriteString(fmt.Sprintf("%s\t%s\t%s\n",
file.Date().Format(time.RFC3339), file.Name(), file.Path(),
))
}
return out.String()
}
func (fls Files) TotalSize() int64 {
var size int64
for _, file := range fls {
if file.IsDir() {
if d, ok := loadedDirSizes[file.Name()]; ok {
log.Debugf("%s: got %d from directorysizes", file.Name(), d.size)
size += d.size
continue
}
}
size += file.Filesize()
}
return size
}
func SortByModified(a, b File) int {
if a.Date().Before(b.Date()) {
return 1
} else if a.Date().After(b.Date()) {
return -1
}
return 0
}
func SortByModifiedReverse(a, b File) int {
if a.Date().After(b.Date()) {
return 1
} else if a.Date().Before(b.Date()) {
return -1
}
return 0
}
func SortBySize(a, b File) int {
return cmp.Compare(a.Filesize(), b.Filesize())
}
func SortBySizeReverse(a, b File) int {
return cmp.Compare(b.Filesize(), a.Filesize())
}
func SortByName(a, b File) int {
return doNameSort(a, b)
}
func SortByNameReverse(a, b File) int {
return doNameSort(b, a)
}
func SortByPath(a, b File) int {
return cmp.Compare(a.Path(), b.Path())
}
func SortByPathReverse(a, b File) int {
return cmp.Compare(b.Path(), a.Path())
}
func SortByExtension(a, b File) int {
aext := strings.ToLower(filepath.Ext(a.Name()))
bext := strings.ToLower(filepath.Ext(b.Name()))
return cmp.Compare(aext, bext)
}
func SortByExtensionReverse(a, b File) int {
aext := strings.ToLower(filepath.Ext(a.Name()))
bext := strings.ToLower(filepath.Ext(b.Name()))
return cmp.Compare(bext, aext)
}
func SortDirectoriesFirst(a, b File) int {
if !a.IsDir() && b.IsDir() {
return 1
} else if a.IsDir() && !b.IsDir() {
return -1
}
return 0
}
func SortDirectoriesLast(a, b File) int {
if a.IsDir() && !b.IsDir() {
return 1
} else if !a.IsDir() && b.IsDir() {
return -1
}
return 0
}
func doNameSort(a, b File) int {
aname := strings.ToLower(a.Name())
bname := strings.ToLower(b.Name())
// check if filename is a number
abase := strings.Replace(aname, filepath.Ext(aname), "", 1)
bbase := strings.Replace(bname, filepath.Ext(bname), "", 1)
ai, aerr := strconv.Atoi(abase)
bi, berr := strconv.Atoi(bbase)
if aerr == nil && berr == nil {
return cmp.Compare(ai, bi)
}
return cmp.Compare(aname, bname)
}
func calculateDirSize(path string) int64 {
var size int64
info, err := os.Lstat(path)
if err != nil {
log.Error(err)
return 0
}
if !info.IsDir() {
return 0
}
files, err := os.ReadDir(path)
if err != nil {
log.Error(err)
return 0
}
for _, file := range files {
filePath := filepath.Join(path, file.Name())
info, err := os.Lstat(filePath)
if err != nil {
log.Error(err)
return 0
}
if info.IsDir() {
size += calculateDirSize(filePath)
} else {
size += info.Size()
}
}
return size
}