218 lines
5.2 KiB
Go
218 lines
5.2 KiB
Go
package scanner
|
|
|
|
import (
|
|
"container/list"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"log"
|
|
"os"
|
|
"path"
|
|
|
|
"github.com/photoview/photoview/api/graphql/models"
|
|
"github.com/photoview/photoview/api/graphql/notification"
|
|
"github.com/photoview/photoview/api/utils"
|
|
"github.com/pkg/errors"
|
|
"gorm.io/gorm"
|
|
)
|
|
|
|
func findAlbumsForUser(db *gorm.DB, user *models.User, album_cache *AlbumScannerCache) ([]*models.Album, []error) {
|
|
|
|
if err := user.FillAlbums(db); err != nil {
|
|
return nil, []error{err}
|
|
}
|
|
|
|
userAlbumIDs := make([]int, len(user.Albums))
|
|
for i, album := range user.Albums {
|
|
userAlbumIDs[i] = album.ID
|
|
}
|
|
|
|
var userRootAlbums []*models.Album
|
|
if err := db.Where("id IN (?)", userAlbumIDs).Where("parent_album_id IS NULL").Find(&userRootAlbums).Error; err != nil {
|
|
return nil, []error{err}
|
|
}
|
|
|
|
scanErrors := make([]error, 0)
|
|
|
|
type scanInfo struct {
|
|
path string
|
|
parent *models.Album
|
|
}
|
|
|
|
scanQueue := list.New()
|
|
|
|
for _, album := range userRootAlbums {
|
|
// Check if user album directory exists on the file system
|
|
if _, err := os.Stat(album.Path); err != nil {
|
|
if os.IsNotExist(err) {
|
|
scanErrors = append(scanErrors, errors.Errorf("Album directory for user '%s' does not exist '%s'\n", user.Username, album.Path))
|
|
} else {
|
|
scanErrors = append(scanErrors, errors.Errorf("Could not read album directory for user '%s': %s\n", user.Username, album.Path))
|
|
}
|
|
} else {
|
|
scanQueue.PushBack(scanInfo{
|
|
path: album.Path,
|
|
parent: nil,
|
|
})
|
|
}
|
|
}
|
|
|
|
userAlbums := make([]*models.Album, 0)
|
|
|
|
for scanQueue.Front() != nil {
|
|
albumInfo := scanQueue.Front().Value.(scanInfo)
|
|
scanQueue.Remove(scanQueue.Front())
|
|
|
|
albumPath := albumInfo.path
|
|
albumParent := albumInfo.parent
|
|
|
|
// Read path
|
|
dirContent, err := ioutil.ReadDir(albumPath)
|
|
if err != nil {
|
|
scanErrors = append(scanErrors, errors.Wrapf(err, "read directory (%s)", albumPath))
|
|
continue
|
|
}
|
|
|
|
// Will become new album or album from db
|
|
var album *models.Album
|
|
|
|
transErr := db.Transaction(func(tx *gorm.DB) error {
|
|
log.Printf("Scanning directory: %s", albumPath)
|
|
|
|
// check if album already exists
|
|
var albumResult []models.Album
|
|
result := tx.Where("path_hash = ?", models.MD5Hash(albumPath)).Find(&albumResult)
|
|
if result.Error != nil {
|
|
return result.Error
|
|
}
|
|
|
|
// album does not exist, create new
|
|
if len(albumResult) == 0 {
|
|
albumTitle := path.Base(albumPath)
|
|
|
|
var albumParentID *int
|
|
parentOwners := make([]models.User, 0)
|
|
if albumParent != nil {
|
|
albumParentID = &albumParent.ID
|
|
|
|
if err := db.Model(&albumParent).Association("Owners").Find(&parentOwners); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
album = &models.Album{
|
|
Title: albumTitle,
|
|
ParentAlbumID: albumParentID,
|
|
Path: albumPath,
|
|
}
|
|
|
|
if err := tx.Create(&album).Error; err != nil {
|
|
return errors.Wrap(err, "insert album into database")
|
|
}
|
|
|
|
if err := tx.Model(&album).Association("Owners").Append(parentOwners); err != nil {
|
|
return errors.Wrap(err, "add owners to album")
|
|
}
|
|
} else {
|
|
album = &albumResult[0]
|
|
}
|
|
|
|
userAlbums = append(userAlbums, album)
|
|
|
|
return nil
|
|
})
|
|
|
|
if transErr != nil {
|
|
scanErrors = append(scanErrors, errors.Wrap(transErr, "begin database transaction"))
|
|
continue
|
|
}
|
|
|
|
// Scan for sub-albums
|
|
for _, item := range dirContent {
|
|
subalbumPath := path.Join(albumPath, item.Name())
|
|
|
|
// Skip if directory is hidden
|
|
if path.Base(subalbumPath)[0:1] == "." {
|
|
continue
|
|
}
|
|
|
|
if item.IsDir() && directoryContainsPhotos(subalbumPath, album_cache) {
|
|
scanQueue.PushBack(scanInfo{
|
|
path: subalbumPath,
|
|
parent: album,
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
deleteErrors := deleteOldUserAlbums(db, userAlbums, user)
|
|
scanErrors = append(scanErrors, deleteErrors...)
|
|
|
|
return userAlbums, scanErrors
|
|
}
|
|
|
|
func directoryContainsPhotos(rootPath string, cache *AlbumScannerCache) bool {
|
|
|
|
if contains_image := cache.AlbumContainsPhotos(rootPath); contains_image != nil {
|
|
return *contains_image
|
|
}
|
|
|
|
scanQueue := list.New()
|
|
scanQueue.PushBack(rootPath)
|
|
|
|
scanned_directories := make([]string, 0)
|
|
|
|
for scanQueue.Front() != nil {
|
|
|
|
dirPath := scanQueue.Front().Value.(string)
|
|
scanQueue.Remove(scanQueue.Front())
|
|
|
|
scanned_directories = append(scanned_directories, dirPath)
|
|
|
|
dirContent, err := ioutil.ReadDir(dirPath)
|
|
if err != nil {
|
|
ScannerError("Could not read directory: %s\n", err.Error())
|
|
return false
|
|
}
|
|
|
|
for _, fileInfo := range dirContent {
|
|
filePath := path.Join(dirPath, fileInfo.Name())
|
|
if fileInfo.IsDir() {
|
|
scanQueue.PushBack(filePath)
|
|
} else {
|
|
if isPathMedia(filePath, cache) {
|
|
cache.InsertAlbumPaths(dirPath, rootPath, true)
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
for _, scanned_path := range scanned_directories {
|
|
cache.InsertAlbumPath(scanned_path, false)
|
|
}
|
|
return false
|
|
}
|
|
|
|
func ScannerError(format string, args ...interface{}) {
|
|
message := fmt.Sprintf(format, args...)
|
|
|
|
log.Printf("ERROR: %s", message)
|
|
notification.BroadcastNotification(&models.Notification{
|
|
Key: utils.GenerateToken(),
|
|
Type: models.NotificationTypeMessage,
|
|
Header: "Scanner error",
|
|
Content: message,
|
|
Negative: true,
|
|
})
|
|
}
|
|
|
|
func PhotoCache() string {
|
|
photoCache := os.Getenv("PHOTO_CACHE")
|
|
if photoCache == "" {
|
|
photoCache = "./photo_cache"
|
|
}
|
|
|
|
return photoCache
|
|
}
|