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