128 lines
3.7 KiB
Go
128 lines
3.7 KiB
Go
/*
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* Copyright (C) 2019 Philipp Haefelfinger (http://www.haefelfinger.ch/). All Rights Reserved.
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* This application is licensed under GPLv2. See the LICENSE file in the root directory of the project.
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*/
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package app
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import (
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"errors"
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"flag"
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"github.com/sirupsen/logrus"
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"os"
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"path"
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"path/filepath"
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"strings"
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)
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var (
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imagesRootPath = flag.String("imagesRootPath", "", "This is the images root path that should be cleaned.")
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dryRun = flag.Bool("dryRun", true, "If set to true, all actions are run except the real filesystem modifications")
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)
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func Run() {
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imagesRootFolder := *imagesRootPath
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if imagesRootFolder == "" {
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logErrorAndExit(errors.New("No images root folder set, exiting."), 1)
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}
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err, jpgFiles := findAllJpgFiles(imagesRootFolder)
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if err != nil {
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logrus.Errorf("Could not clean up %s", imagesRootFolder)
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logErrorAndExit(err, 2)
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}
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filesWithMissingSidecar := getJpegsWithoutRawSideCar(jpgFiles)
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logrus.Infof("Found %d of %d images to delete in %s", len(filesWithMissingSidecar), len(jpgFiles), imagesRootFolder)
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//todo: this check needs to be performed by each directory and if true, skip the directory but not all
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if len(jpgFiles) == len(filesWithMissingSidecar) {
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logrus.Warnf("Did not find any sidecar files in %s. Are you sure this is the right path to look for jpgs without raw sidecars? Cancelling executing!", imagesRootFolder)
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logErrorAndExit(errors.New("Total files of jpegs and missing sidecars are the same, cancelling!"), 3)
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}
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if !(*dryRun) {
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logrus.Infof("Starting to delete %d files...", len(filesWithMissingSidecar))
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deleteFiles(filesWithMissingSidecar)
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} else {
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logrus.Warnln("Skipping delete of images as flag dryRun is set to true!")
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}
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}
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func deleteFiles(filesWithMissingSidecar []string) {
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for _, fileToDelete := range filesWithMissingSidecar {
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logrus.Infof("Deleting %s", fileToDelete)
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err := os.Remove(fileToDelete)
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if err != nil {
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logrus.Errorf("Could not delete %s because of %v", fileToDelete, err)
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}
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}
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}
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func logErrorAndExit(err error, exitCode int) {
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logrus.Errorln(err)
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os.Exit(exitCode)
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}
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func getJpegsWithoutRawSideCar(jpgFiles []string) []string {
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var filesWithMissingSidecar []string
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for _, jpgFile := range jpgFiles {
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dir, fileName := filepath.Split(jpgFile)
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newFileName := filenameWithoutExtension(fileName) + ".cr2"
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newFilePath := filepath.Join(dir, newFileName)
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if exists, err := fileExists(newFilePath); exists {
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logrus.Debugf("Found exising sidecar, keeping jpeg %s", jpgFile)
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} else if err == nil && !exists {
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logrus.Infof("Found jpeg with missing raw file, schedule for delete %s", jpgFile)
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filesWithMissingSidecar = append(filesWithMissingSidecar, jpgFile)
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} else {
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logrus.Errorf("There was an error on checking %s: %v", jpgFile, err)
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}
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}
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return filesWithMissingSidecar
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}
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func findAllJpgFiles(basePath string) (error, []string) {
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var files []string
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err := filepath.Walk(basePath, func(path string, info os.FileInfo, err error) error {
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if strings.HasPrefix(info.Name(), ".") {
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logrus.Debugf("Skipping hidden file or directory %s", path)
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return nil
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}
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extension := strings.ToLower(filepath.Ext(path))
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if (extension != ".jpg" && extension != ".jpeg") || info.IsDir() {
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return nil
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}
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logrus.Debugf("Found file %s", path)
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files = append(files, path)
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return nil
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})
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return err, files
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}
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func filenameWithoutExtension(fn string) string {
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return strings.TrimSuffix(fn, path.Ext(fn))
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}
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func fileExists(filePath string) (bool, error) {
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_, err := os.Stat(filePath)
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if err == nil {
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logrus.Debugf("file %s exists", filePath)
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return true, nil
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} else if os.IsNotExist(err) {
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logrus.Debugf("file %s does not exist", filePath)
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return false, nil
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} else {
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logrus.Debugf("file %s stat error: %v", filePath, err)
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return false, err
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}
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}
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