organizer/handle_file.go
2023-01-14 10:58:59 +01:00

113 lines
2.7 KiB
Go

package main
import (
"errors"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"time"
"git.milar.in/nyaanime/logic"
"git.milar.in/nyaanime/model"
"git.milar.in/nyaanime/parsers"
"github.com/fatih/color"
)
func HandleFile(path string) (b *strings.Builder) {
b = &strings.Builder{}
b.WriteString(color.MagentaString("\nfile found: %s\n", filepath.Base(path)))
for _, parser := range parsers.Parsers {
parsedFile, ok := parser.FileParser(&parser, path)
if !ok {
b.WriteString(color.YellowString("\tnot parsable with parser '%s'\n", parser.Identity))
continue
}
b.WriteString(color.GreenString("\tparsable with parser '%s'\n", parser.Identity))
anime, err := logic.SearchAnimeByTitle(parsedFile.OriginalAnimeTitle)
if err != nil {
b.WriteString(color.YellowString("\tanime not found: '%s'\n", parsedFile.OriginalAnimeTitle))
continue
}
parsedFile.Anime = anime
HandleParsedFile(b, parsedFile)
return
}
return
}
func HandleParsedFile(b *strings.Builder, parsedFile *model.ParsedFile) {
newFilePrio := logic.NewFilePriority(parsedFile)
oldFilePrio, animeEpNotExistLocally := logic.GetAnimeEpProps(parsedFile.AnimeEpisode())
if !animeEpNotExistLocally || newFilePrio.Priority > oldFilePrio.Priority {
go func(b *strings.Builder, parsedFile *model.ParsedFile) {
if err := OrganizeAnimeEpisode(b, parsedFile); err != nil {
b.WriteString(color.RedString("\terror: %s", err.Error()))
}
}(b, parsedFile)
}
}
func OrganizeAnimeEpisode(b *strings.Builder, parsedFile *model.ParsedFile) error {
start := time.Now()
oldFile := filepath.Join(DownloadPath, parsedFile.File)
newFile := logic.GetAnimeEpFilepath(parsedFile.AnimeEpisode(), filepath.Ext(parsedFile.File))
lockFile := logic.GetAnimeEpFilepath(parsedFile.AnimeEpisode(), "lock")
b.WriteString(color.BlueString("\tmove file\n\t from: '%s'\n\t to: '%s'\n", oldFile, newFile))
if err := os.MkdirAll(filepath.Dir(newFile), os.ModePerm); err != nil {
return err
}
if err := os.Chown(filepath.Dir(newFile), Uid, Gid); err != nil {
return err
}
if _, err := os.Stat(newFile); !errors.Is(err, os.ErrNotExist) {
fmt.Fprintln(os.Stderr, "file already exists:", newFile)
return err
}
inputFile, err := os.Open(oldFile)
if err != nil {
return err
}
defer inputFile.Close()
outputFile, err := os.Create(newFile)
if err != nil {
return err
}
defer outputFile.Close()
if err := os.Chown(newFile, Uid, Gid); err != nil {
return err
}
_, err = io.Copy(outputFile, inputFile)
if err != nil {
return err
}
if err = os.Remove(oldFile); err != nil {
return err
}
if err = os.Remove(lockFile); err != nil {
return err
}
b.WriteString(color.BlueString("\tdone (took %s)\n", time.Since(start)))
return nil
}