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fix: better detection for KCC converted Epub

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also added more logs during epub divina detection
This commit is contained in:
Gauthier Roebroeck 2025-01-07 14:10:55 +08:00
parent 9e33e2e4fb
commit 6dcebb4e07
1 changed files with 18 additions and 5 deletions
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23
komga/src/main/kotlin/org/gotson/komga/infrastructure/mediacontainer/epub/EpubExtractor.kt
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@ -138,7 +138,10 @@ class EpubExtractor(
pageCount: Int,
analyzeDimensions: Boolean,
): List<BookPage> {
if (!isFixedLayout) return emptyList()
if (!isFixedLayout) {
logger.info { "Epub Divina detection failed: book is not fixed layout" }
return emptyList()
}
try {
val pagesWithImages =
@ -165,9 +168,16 @@ class EpubExtractor(
(img + svg).map { (Path(pagePath).parent ?: Path("")).resolve(it).normalize().invariantSeparatorsPathString } // resolve it against the page folder
}
if (pagesWithImages.size != pageCount) return emptyList()
val imagesPath = pagesWithImages.flatten()
if (imagesPath.size != pageCount) return emptyList()
if (pagesWithImages.size != pageCount) {
logger.info { "Epub Divina detection failed: book has ${pagesWithImages.size} pages with images, but $pageCount total pages" }
return emptyList()
}
// Only keep unique image path for each page. KCC sometimes generates HTML pages with 5 times the same image.
val imagesPath = pagesWithImages.map { it.distinct() }.flatten()
if (imagesPath.size != pageCount) {
logger.info { "Epub Divina detection failed: book has ${imagesPath.size} detected images, but $pageCount total pages" }
return emptyList()
}
val divinaPages =
imagesPath.mapNotNull { imagePath ->
@ -187,7 +197,10 @@ class EpubExtractor(
BookPage(fileName = imagePath, mediaType = mediaType, dimension = dimension, fileSize = fileSize)
}
if (divinaPages.size != pageCount) return emptyList()
if (divinaPages.size != pageCount) {
logger.info { "Epub Divina detection failed: book has ${divinaPages.size} detected divina pages, but $pageCount total pages" }
return emptyList()
}
return divinaPages
} catch (e: Exception) {
logger.warn(e) { "Error while getting divina pages" }