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[enhancement] AuthorCandidates, author validation
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@ -194,6 +194,12 @@ class BookFinder {
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}
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add(title, position = 0) {
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// if title contains the author, remove it
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if (this.cleanAuthor) {
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const authorRe = new RegExp(`(^| | by |)${this.cleanAuthor}(?= |$)`, "g")
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title = this.bookFinder.cleanAuthorForCompares(title).replace(authorRe, '').trim()
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}
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const titleTransformers = [
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[/([,:;_]| by ).*/g, ''], // Remove subtitle
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[/^\d+ | \d+$/g, ''], // Remove preceding/trailing numbers
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@ -258,6 +264,73 @@ class BookFinder {
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}
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}
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static AuthorCandidates = class {
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constructor(bookFinder, cleanAuthor) {
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this.bookFinder = bookFinder
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this.candidates = new Set()
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this.cleanAuthor = cleanAuthor
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if (cleanAuthor) this.candidates.add(cleanAuthor)
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}
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validateAuthor(name, region = '', maxLevenshtein = 3) {
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return this.bookFinder.audnexus.authorASINsRequest(name, region).then((asins) => {
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for (const asin of asins) {
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let cleanName = this.bookFinder.cleanAuthorForCompares(asin.name)
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if (!cleanName) continue
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if (cleanName.includes(name)) return name
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if (name.includes(cleanName)) return cleanName
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if (levenshteinDistance(cleanName, name) <= maxLevenshtein) return cleanName
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}
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return ''
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})
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}
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add(author) {
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const authorTransformers = []
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// Main variant
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const cleanAuthor = this.bookFinder.cleanAuthorForCompares(author).trim()
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if (!cleanAuthor) return false
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this.candidates.add(cleanAuthor)
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let candidate = cleanAuthor
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for (const transformer of authorTransformers) {
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candidate = candidate.replace(transformer[0], transformer[1]).trim()
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if (candidate) {
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this.candidates.add(candidate)
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}
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}
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return true
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}
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get size() {
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return this.candidates.size
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}
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async getCandidates() {
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var filteredCandidates = []
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var promises = []
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for (const candidate of this.candidates) {
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promises.push(this.validateAuthor(candidate))
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}
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const results = [...new Set(await Promise.all(promises))]
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filteredCandidates = results.filter(author => author)
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// if no valid candidates were found, add back the original clean author
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if (!filteredCandidates.length && this.cleanAuthor) filteredCandidates.push(this.cleanAuthor)
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// always add an empty author candidate
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filteredCandidates.push('')
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Logger.debug(`[${this.constructor.name}] Found ${filteredCandidates.length} fuzzy author candidates`)
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Logger.debug(filteredCandidates)
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return filteredCandidates
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}
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delete(author) {
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return this.candidates.delete(author)
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}
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}
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/**
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* Search for books including fuzzy searches
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@ -290,30 +363,25 @@ class BookFinder {
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const cleanAuthor = this.cleanAuthorForCompares(author)
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// Now run up to maxFuzzySearches fuzzy searches
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let titleCandidates = new BookFinder.TitleCandidates(this, cleanAuthor)
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let authorCandidates = new BookFinder.AuthorCandidates(this, cleanAuthor)
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// remove parentheses and their contents, and replace with a separator
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const cleanTitle = title.replace(/\[.*?\]|\(.*?\)|{.*?}/g, " - ")
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// Split title into hypen-separated parts
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const titleParts = cleanTitle.split(/ - | -|- /)
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for (const [position, titlePart] of titleParts.entries()) {
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titleCandidates.add(titlePart, position)
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}
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if (titleCandidates.size > 0) {
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for (const titlePart of titleParts)
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authorCandidates.add(titlePart)
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authorCandidates = await authorCandidates.getCandidates()
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for (const authorCandidate of authorCandidates) {
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let titleCandidates = new BookFinder.TitleCandidates(this, authorCandidate)
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for (const [position, titlePart] of titleParts.entries())
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titleCandidates.add(titlePart, position)
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titleCandidates = titleCandidates.getCandidates()
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for (const titleCandidate of titleCandidates) {
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if (titleCandidate == title && cleanAuthor == author) continue // We already tried this
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if (titleCandidate == title && authorCandidate == author) continue // We already tried this
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if (++numFuzzySearches > maxFuzzySearches) return books
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books = await this.runSearch(titleCandidate, cleanAuthor, provider, asin, maxTitleDistance, maxAuthorDistance)
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if (books.length) break
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}
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if (!books.length && cleanAuthor) {
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// Now try searching without the author
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for (const titleCandidate of titleCandidates) {
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if (++numFuzzySearches > maxFuzzySearches) return books
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books = await this.runSearch(titleCandidate, '', provider, asin, maxTitleDistance, maxAuthorDistance)
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if (books.length) break
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}
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books = await this.runSearch(titleCandidate, authorCandidate, provider, asin, maxTitleDistance, maxAuthorDistance)
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if (books.length) return books
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}
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}
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}
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