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bug fix: compare file modification time at millisecond. With JDK 9+ on Windows, time precision of the underlying clock would go over 6 digits, which is the precision of the timestamps in database, which would lead to loss of precision on saved timestamps, and failing comparisons of modification times at every library scan

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Gauthier Roebroeck 2019-10-29 11:15:54 +08:00
parent 85615372dc
commit 4b2f25af66
1 changed files with 3 additions and 2 deletions
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komga/src/main/kotlin/org/gotson/komga/domain/service/LibraryScanner.kt
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@ -9,6 +9,7 @@ import org.gotson.komga.domain.persistence.SeriesRepository
import org.springframework.stereotype.Service
import org.springframework.transaction.annotation.Transactional
import java.nio.file.Paths
import java.time.temporal.ChronoUnit
import kotlin.system.measureTimeMillis
private val logger = KotlinLogging.logger {}
@ -49,7 +50,7 @@ class LibraryScanner(
seriesRepository.save(newSeries.also { it.library = library })
} else {
// if series already exists, update it
if (newSeries.fileLastModified != existingSeries.fileLastModified) {
if (newSeries.fileLastModified.truncatedTo(ChronoUnit.MILLIS) != existingSeries.fileLastModified.truncatedTo(ChronoUnit.MILLIS)) {
logger.info { "Series changed on disk, updating: $newSeries" }
existingSeries.name = newSeries.name
existingSeries.fileLastModified = newSeries.fileLastModified
@ -58,7 +59,7 @@ class LibraryScanner(
existingSeries.books = newSeries.books.map { newBook ->
val existingBook = bookRepository.findByUrl(newBook.url) ?: newBook
if (newBook.fileLastModified != existingBook.fileLastModified) {
if (newBook.fileLastModified.truncatedTo(ChronoUnit.MILLIS) != existingBook.fileLastModified.truncatedTo(ChronoUnit.MILLIS)) {
logger.info { "Book changed on disk, update and reset metadata status: $newBook" }
existingBook.fileLastModified = newBook.fileLastModified
existingBook.name = newBook.name