Skip exact duplicates #283

Signed-off-by: Michael Mayer <michael@liquidbytes.net>

internal/entity/file.go

@@ -92,9 +92,9 @@ func (m File) Changed(fileSize int64, fileModified time.Time) bool {
 		return true
 	}
 
-	if m.FileModified.Format("2006-01-02 15:04:05") != fileModified.Format("2006-01-02 15:04:05") {
-		return true
-	}
-
+	if m.FileModified.Round(time.Second).Equal(fileModified.Round(time.Second)) {
 		return false
 	}
+
+	return true
+}

internal/photoprism/index_mediafile.go

@@ -13,6 +13,7 @@ import (
 	"github.com/photoprism/photoprism/internal/entity"
 	"github.com/photoprism/photoprism/internal/event"
 	"github.com/photoprism/photoprism/internal/meta"
+	"github.com/photoprism/photoprism/pkg/fs"
 	"github.com/photoprism/photoprism/pkg/txt"
 )
 
@@ -20,6 +21,7 @@ const (
 	IndexUpdated   IndexStatus = "updated"
 	IndexAdded     IndexStatus = "added"
 	IndexSkipped   IndexStatus = "skipped"
+	IndexDuplicate IndexStatus = "skipped duplicate"
 	IndexFailed    IndexStatus = "failed"
 )
 
@@ -84,6 +86,11 @@ func (ind *Index) MediaFile(m *MediaFile, o IndexOptions, originalName string) (
 		fileHash = m.Hash()
 		fileQuery = ind.db.Unscoped().First(&file, "file_hash = ?", fileHash)
 		fileExists = fileQuery.Error == nil
+
+		if fileExists && fs.FileExists(filepath.Join(ind.conf.OriginalsPath(), file.FileName)) {
+			result.Status = IndexDuplicate
+			return result
+		}
 	}
 
 	if !fileExists {

internal/photoprism/mediafile.go

@@ -59,7 +59,7 @@ func (m MediaFile) Stat() (size int64, mod time.Time) {
 		return -1, time.Now()
 	}
 
-	return s.Size(), s.ModTime()
+	return s.Size(), s.ModTime().Round(time.Second)
 }
 
 // DateCreated returns the date on which the media file was created in UTC.