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photoview/api/scanner/scanner_media.go

90 lines
2.3 KiB
Go

package scanner
import (
"context"
"log"
"os"
"path"
"github.com/photoview/photoview/api/graphql/models"
"github.com/photoview/photoview/api/scanner/media_encoding"
"github.com/photoview/photoview/api/scanner/scanner_cache"
"github.com/photoview/photoview/api/scanner/scanner_task"
"github.com/pkg/errors"
"gorm.io/gorm"
)
func ScanMedia(tx *gorm.DB, mediaPath string, albumId int, cache *scanner_cache.AlbumScannerCache) (*models.Media, bool, error) {
mediaName := path.Base(mediaPath)
// Check if media already exists
{
var media []*models.Media
result := tx.Where("path_hash = ?", models.MD5Hash(mediaPath)).Find(&media)
if result.Error != nil {
return nil, false, errors.Wrap(result.Error, "scan media fetch from database")
}
if result.RowsAffected > 0 {
// log.Printf("Media already scanned: %s\n", mediaPath)
return media[0], false, nil
}
}
log.Printf("Scanning media: %s\n", mediaPath)
mediaType, err := cache.GetMediaType(mediaPath)
if err != nil {
return nil, false, errors.Wrap(err, "could determine if media was photo or video")
}
var mediaTypeText models.MediaType
if mediaType.IsVideo() {
mediaTypeText = models.MediaTypeVideo
} else {
mediaTypeText = models.MediaTypePhoto
}
stat, err := os.Stat(mediaPath)
if err != nil {
return nil, false, err
}
media := models.Media{
Title: mediaName,
Path: mediaPath,
AlbumID: albumId,
Type: mediaTypeText,
DateShot: stat.ModTime(),
}
if err := tx.Create(&media).Error; err != nil {
return nil, false, errors.Wrap(err, "could not insert media into database")
}
return &media, true, nil
}
// ProcessSingleMedia processes a single media, might be used to reprocess media with corrupted cache
// Function waits for processing to finish before returning.
func ProcessSingleMedia(db *gorm.DB, media *models.Media) error {
album_cache := scanner_cache.MakeAlbumCache()
var album models.Album
if err := db.Model(media).Association("Album").Find(&album); err != nil {
return err
}
media_data := media_encoding.NewEncodeMediaData(media)
task_context := scanner_task.NewTaskContext(context.Background(), db, &album, album_cache)
if err := scanMedia(task_context, media, &media_data, 0, 1); err != nil {
return errors.Wrap(err, "single media scan")
}
return nil
}