audiobookshelf/server/scanner/OpfFileScanner.js

45 lines
1.6 KiB
JavaScript

const { parseOpfMetadataXML } = require('../utils/parsers/parseOpfMetadata')
const { readTextFile } = require('../utils/fileUtils')
class OpfFileScanner {
constructor() { }
/**
* Parse metadata from .opf file found in library scan and update bookMetadata
*
* @param {import('../models/LibraryItem').LibraryFileObject} opfLibraryFileObj
* @param {Object} bookMetadata
*/
async scanBookOpfFile(opfLibraryFileObj, bookMetadata) {
const xmlText = await readTextFile(opfLibraryFileObj.metadata.path)
const opfMetadata = xmlText ? await parseOpfMetadataXML(xmlText) : null
if (opfMetadata) {
for (const key in opfMetadata) {
if (key === 'tags') { // Add tags only if tags are empty
if (opfMetadata.tags.length) {
bookMetadata.tags = opfMetadata.tags
}
} else if (key === 'genres') { // Add genres only if genres are empty
if (opfMetadata.genres.length) {
bookMetadata.genres = opfMetadata.genres
}
} else if (key === 'authors') {
if (opfMetadata.authors?.length) {
bookMetadata.authors = opfMetadata.authors
}
} else if (key === 'narrators') {
if (opfMetadata.narrators?.length) {
bookMetadata.narrators = opfMetadata.narrators
}
} else if (key === 'series') {
if (opfMetadata.series?.length) {
bookMetadata.series = opfMetadata.series
}
} else if (opfMetadata[key] && key !== 'sequence') {
bookMetadata[key] = opfMetadata[key]
}
}
}
}
}
module.exports = new OpfFileScanner()