const { sort, createNewSortInstance } = require('../libs/fastSort')
const Logger = require('../Logger')
const Database = require('../Database')
const { getTitlePrefixAtEnd, isNullOrNaN, getTitleIgnorePrefix } = require('../utils/index')
const naturalSort = createNewSortInstance({
comparer: new Intl.Collator(undefined, { numeric: true, sensitivity: 'base' }).compare
})
module.exports = {
decode(text) {
return Buffer.from(decodeURIComponent(text), 'base64').toString()
},
getFilteredLibraryItems(libraryItems, filterBy, user, feedsArray) {
let filtered = libraryItems
const searchGroups = ['genres', 'tags', 'series', 'authors', 'progress', 'narrators', 'missing', 'languages', 'tracks', 'ebooks']
const group = searchGroups.find(_group => filterBy.startsWith(_group + '.'))
if (group) {
const filterVal = filterBy.replace(`${group}.`, '')
const filter = this.decode(filterVal)
if (group === 'genres') filtered = filtered.filter(li => li.media.metadata.genres?.includes(filter))
else if (group === 'tags') filtered = filtered.filter(li => li.media.tags.includes(filter))
else if (group === 'series') {
if (filter === 'no-series') filtered = filtered.filter(li => li.isBook && !li.media.metadata.series.length)
else {
filtered = filtered.filter(li => li.isBook && li.media.metadata.hasSeries(filter))
}
}
else if (group === 'authors') filtered = filtered.filter(li => li.isBook && li.media.metadata.hasAuthor(filter))
else if (group === 'narrators') filtered = filtered.filter(li => li.isBook && li.media.metadata.hasNarrator(filter))
else if (group === 'progress') {
filtered = filtered.filter(li => {
const itemProgress = user.getMediaProgress(li.id)
if (filter === 'finished' && (itemProgress && itemProgress.isFinished)) return true
if (filter === 'not-started' && !itemProgress) return true
if (filter === 'not-finished' && (!itemProgress || !itemProgress.isFinished)) return true
if (filter === 'in-progress' && (itemProgress && itemProgress.inProgress)) return true
return false
})
} else if (group == 'missing') {
filtered = filtered.filter(li => {
if (li.isBook) {
if (filter === 'asin' && !li.media.metadata.asin) return true
if (filter === 'isbn' && !li.media.metadata.isbn) return true
if (filter === 'subtitle' && !li.media.metadata.subtitle) return true
if (filter === 'authors' && !li.media.metadata.authors.length) return true
if (filter === 'publishedYear' && !li.media.metadata.publishedYear) return true
if (filter === 'series' && !li.media.metadata.series.length) return true
if (filter === 'description' && !li.media.metadata.description) return true
if (filter === 'genres' && !li.media.metadata.genres.length) return true
if (filter === 'tags' && !li.media.tags.length) return true
if (filter === 'narrators' && !li.media.metadata.narrators.length) return true
if (filter === 'publisher' && !li.media.metadata.publisher) return true
if (filter === 'language' && !li.media.metadata.language) return true
if (filter === 'cover' && !li.media.coverPath) return true
} else {
return false
}
})
} else if (group === 'languages') {
filtered = filtered.filter(li => li.media.metadata.language === filter)
} else if (group === 'tracks') {
if (filter === 'single') filtered = filtered.filter(li => li.isBook && li.media.numTracks === 1)
else if (filter === 'multi') filtered = filtered.filter(li => li.isBook && li.media.numTracks > 1)
} else if (group === 'ebooks') {
if (filter === 'ebook') filtered = filtered.filter(li => li.media.ebookFile)
else if (filter === 'supplementary') filtered = filtered.filter(li => li.libraryFiles.some(lf => lf.isEBookFile && lf.ino !== li.media.ebookFile?.ino))
}
} else if (filterBy === 'issues') {
filtered = filtered.filter(li => li.hasIssues)
} else if (filterBy === 'feed-open') {
filtered = filtered.filter(li => feedsArray.some(feed => feed.entityId === li.id))
} else if (filterBy === 'abridged') {
filtered = filtered.filter(li => !!li.media.metadata?.abridged)
} else if (filterBy === 'ebook') {
filtered = filtered.filter(li => li.media.ebookFile)
}
return filtered
},
// Returns false if should be filtered out
checkFilterForSeriesLibraryItem(libraryItem, filterBy) {
var searchGroups = ['genres', 'tags', 'authors', 'progress', 'narrators', 'languages']
var group = searchGroups.find(_group => filterBy.startsWith(_group + '.'))
if (group) {
var filterVal = filterBy.replace(`${group}.`, '')
var filter = this.decode(filterVal)
if (group === 'genres') return libraryItem.media.metadata.genres.includes(filter)
else if (group === 'tags') return libraryItem.media.tags.includes(filter)
else if (group === 'authors') return libraryItem.isBook && libraryItem.media.metadata.hasAuthor(filter)
else if (group === 'narrators') return libraryItem.isBook && libraryItem.media.metadata.hasNarrator(filter)
else if (group === 'languages') {
return libraryItem.media.metadata.language === filter
}
}
return true
},
// Return false to filter out series
checkSeriesProgressFilter(series, filterBy, user) {
const filter = this.decode(filterBy.split('.')[1])
let someBookHasProgress = false
let someBookIsUnfinished = false
for (const libraryItem of series.books) {
const itemProgress = user.getMediaProgress(libraryItem.id)
if (!itemProgress || !itemProgress.isFinished) someBookIsUnfinished = true
if (itemProgress && itemProgress.progress > 0) someBookHasProgress = true
if (filter === 'finished' && (!itemProgress || !itemProgress.isFinished)) return false
if (filter === 'not-started' && itemProgress) return false
}
if (!someBookIsUnfinished && (filter === 'not-finished' || filter === 'in-progress')) { // Completely finished series
return false
} else if (!someBookHasProgress && filter === 'in-progress') { // Series not started
return false
}
return true
},
getDistinctFilterDataNew(libraryItems) {
var data = {
authors: [],
genres: [],
tags: [],
series: [],
narrators: [],
languages: []
}
libraryItems.forEach((li) => {
var mediaMetadata = li.media.metadata
if (mediaMetadata.authors && mediaMetadata.authors.length) {
mediaMetadata.authors.forEach((author) => {
if (author && !data.authors.find(au => au.id === author.id)) data.authors.push({ id: author.id, name: author.name })
})
}
if (mediaMetadata.series && mediaMetadata.series.length) {
mediaMetadata.series.forEach((series) => {
if (series && !data.series.find(se => se.id === series.id)) data.series.push({ id: series.id, name: series.name })
})
}
if (mediaMetadata.genres && mediaMetadata.genres.length) {
mediaMetadata.genres.forEach((genre) => {
if (genre && !data.genres.includes(genre)) data.genres.push(genre)
})
}
if (li.media.tags.length) {
li.media.tags.forEach((tag) => {
if (tag && !data.tags.includes(tag)) data.tags.push(tag)
})
}
if (mediaMetadata.narrators && mediaMetadata.narrators.length) {
mediaMetadata.narrators.forEach((narrator) => {
if (narrator && !data.narrators.includes(narrator)) data.narrators.push(narrator)
})
}
if (mediaMetadata.language && !data.languages.includes(mediaMetadata.language)) data.languages.push(mediaMetadata.language)
})
data.authors = naturalSort(data.authors).asc(au => au.name)
data.genres = naturalSort(data.genres).asc()
data.tags = naturalSort(data.tags).asc()
data.series = naturalSort(data.series).asc(se => se.name)
data.narrators = naturalSort(data.narrators).asc()
data.languages = naturalSort(data.languages).asc()
return data
},
getSeriesFromBooks(books, allSeries, filterSeries, filterBy, user, minified, hideSingleBookSeries) {
const _series = {}
const seriesToFilterOut = {}
books.forEach((libraryItem) => {
// get all book series for item that is not already filtered out
const bookSeries = (libraryItem.media.metadata.series || []).filter(se => !seriesToFilterOut[se.id])
if (!bookSeries.length) return
if (filterBy && user && !filterBy.startsWith('progress.')) { // Series progress filters are evaluated after grouping
// If a single book in a series is filtered out then filter out the entire series
if (!this.checkFilterForSeriesLibraryItem(libraryItem, filterBy)) {
// filter out this library item
bookSeries.forEach((bookSeriesObj) => {
// flag series to filter it out
seriesToFilterOut[bookSeriesObj.id] = true
delete _series[bookSeriesObj.id]
})
return
}
}
bookSeries.forEach((bookSeriesObj) => {
const series = allSeries.find(se => se.id === bookSeriesObj.id)
const abJson = minified ? libraryItem.toJSONMinified() : libraryItem.toJSONExpanded()
abJson.sequence = bookSeriesObj.sequence
if (filterSeries) {
abJson.filterSeriesSequence = libraryItem.media.metadata.getSeries(filterSeries).sequence
}
if (!_series[bookSeriesObj.id]) {
_series[bookSeriesObj.id] = {
id: bookSeriesObj.id,
name: bookSeriesObj.name,
nameIgnorePrefix: getTitlePrefixAtEnd(bookSeriesObj.name),
nameIgnorePrefixSort: getTitleIgnorePrefix(bookSeriesObj.name),
type: 'series',
books: [abJson],
addedAt: series ? series.addedAt : 0,
totalDuration: isNullOrNaN(abJson.media.duration) ? 0 : Number(abJson.media.duration)
}
} else {
_series[bookSeriesObj.id].books.push(abJson)
_series[bookSeriesObj.id].totalDuration += isNullOrNaN(abJson.media.duration) ? 0 : Number(abJson.media.duration)
}
})
})
let seriesItems = Object.values(_series)
// Library setting to hide series with only 1 book
if (hideSingleBookSeries) {
seriesItems = seriesItems.filter(se => se.books.length > 1)
}
// check progress filter
if (filterBy && filterBy.startsWith('progress.') && user) {
seriesItems = seriesItems.filter(se => this.checkSeriesProgressFilter(se, filterBy, user))
}
return seriesItems.map((series) => {
series.books = naturalSort(series.books).asc(li => li.sequence)
return series
})
},
getBooksNextInSeries(seriesWithUserAb, limit, minified = false) {
var incompleteSeires = seriesWithUserAb.filter((series) => series.books.some((book) => !book.userAudiobook || (!book.userAudiobook.isRead && book.userAudiobook.progress == 0)))
var booksNextInSeries = []
incompleteSeires.forEach((series) => {
var dateLastRead = series.books.filter((data) => data.userAudiobook && data.userAudiobook.isRead).sort((a, b) => { return b.userAudiobook.finishedAt - a.userAudiobook.finishedAt })[0].userAudiobook.finishedAt
var nextUnreadBook = series.books.filter((data) => !data.userAudiobook || (!data.userAudiobook.isRead && data.userAudiobook.progress == 0))[0]
nextUnreadBook.DateLastReadSeries = dateLastRead
booksNextInSeries.push(nextUnreadBook)
})
return booksNextInSeries.sort((a, b) => { return b.DateLastReadSeries - a.DateLastReadSeries }).map(b => minified ? b.book.toJSONMinified() : b.book.toJSONExpanded()).slice(0, limit)
},
getGenresWithCount(libraryItems) {
var genresMap = {}
libraryItems.forEach((li) => {
var genres = li.media.metadata.genres || []
genres.forEach((genre) => {
if (genresMap[genre]) genresMap[genre].count++
else
genresMap[genre] = {
genre,
count: 1
}
})
})
return Object.values(genresMap).sort((a, b) => b.count - a.count)
},
getAuthorsWithCount(libraryItems) {
var authorsMap = {}
libraryItems.forEach((li) => {
var authors = li.media.metadata.authors || []
authors.forEach((author) => {
if (authorsMap[author.id]) authorsMap[author.id].count++
else
authorsMap[author.id] = {
id: author.id,
name: author.name,
count: 1
}
})
})
return Object.values(authorsMap).sort((a, b) => b.count - a.count)
},
getItemDurationStats(libraryItems) {
var sorted = sort(libraryItems).desc(li => li.media.duration)
var top10 = sorted.slice(0, 10).map(li => ({ id: li.id, title: li.media.metadata.title, duration: li.media.duration })).filter(i => i.duration > 0)
var totalDuration = 0
var numAudioTracks = 0
libraryItems.forEach((li) => {
totalDuration += li.media.duration
numAudioTracks += li.media.numTracks
})
return {
totalDuration,
numAudioTracks,
longestItems: top10
}
},
getItemSizeStats(libraryItems) {
var sorted = sort(libraryItems).desc(li => li.media.size)
var top10 = sorted.slice(0, 10).map(li => ({ id: li.id, title: li.media.metadata.title, size: li.media.size })).filter(i => i.size > 0)
var totalSize = 0
libraryItems.forEach((li) => {
totalSize += li.media.size
})
return {
totalSize,
largestItems: top10
}
},
getLibraryItemsTotalSize(libraryItems) {
var totalSize = 0
libraryItems.forEach((li) => {
totalSize += li.media.size
})
return totalSize
},
collapseBookSeries(libraryItems, series, filterSeries, hideSingleBookSeries) {
// Get series from the library items. If this list is being collapsed after filtering for a series,
// don't collapse that series, only books that are in other series.
const seriesObjects = this
.getSeriesFromBooks(libraryItems, series, filterSeries, null, null, true, hideSingleBookSeries)
.filter(s => s.id != filterSeries)
const filteredLibraryItems = []
libraryItems.forEach((li) => {
if (li.mediaType != 'book') return
// Handle when this is the first book in a series
seriesObjects.filter(s => s.books[0].id == li.id).forEach(series => {
// Clone the library item as we need to attach data to it, but don't
// want to change the global copy of the library item
filteredLibraryItems.push(Object.assign(
Object.create(Object.getPrototypeOf(li)),
li, { collapsedSeries: series }))
})
// Only included books not contained in series
if (!seriesObjects.some(s => s.books.some(b => b.id == li.id)))
filteredLibraryItems.push(li)
})
return filteredLibraryItems
},
buildPersonalizedShelves(ctx, user, libraryItems, library, maxEntitiesPerShelf, include) {
const mediaType = library.mediaType
const isPodcastLibrary = mediaType === 'podcast'
const includeRssFeed = include.includes('rssfeed')
const hideSingleBookSeries = library.settings.hideSingleBookSeries
const shelves = [
{
id: 'continue-listening',
label: 'Continue Listening',
labelStringKey: 'LabelContinueListening',
type: isPodcastLibrary ? 'episode' : mediaType,
entities: []
},
{
id: 'continue-reading',
label: 'Continue Reading',
labelStringKey: 'LabelContinueReading',
type: 'book',
entities: []
},
{
id: 'continue-series',
label: 'Continue Series',
labelStringKey: 'LabelContinueSeries',
type: mediaType,
entities: []
},
{
id: 'episodes-recently-added',
label: 'Newest Episodes',
labelStringKey: 'LabelNewestEpisodes',
type: 'episode',
entities: []
},
{
id: 'recently-added',
label: 'Recently Added',
labelStringKey: 'LabelRecentlyAdded',
type: mediaType,
entities: []
},
{
id: 'recent-series',
label: 'Recent Series',
labelStringKey: 'LabelRecentSeries',
type: 'series',
entities: []
},
{
id: 'recommended',
label: 'Recommended',
labelStringKey: 'LabelRecommended',
type: mediaType,
entities: []
},
{
id: 'listen-again',
label: 'Listen Again',
labelStringKey: 'LabelListenAgain',
type: isPodcastLibrary ? 'episode' : mediaType,
entities: []
},
{
id: 'read-again',
label: 'Read Again',
labelStringKey: 'LabelReadAgain',
type: 'book',
entities: []
},
{
id: 'newest-authors',
label: 'Newest Authors',
labelStringKey: 'LabelNewestAuthors',
type: 'authors',
entities: []
}
]
const categoryMap = {}
shelves.forEach((shelf) => {
categoryMap[shelf.id] = {
id: shelf.id,
biggest: 0,
smallest: 0,
items: []
}
})
const seriesMap = {}
const authorMap = {}
// For use with recommended
const topGenresListened = {}
const topAuthorsListened = {}
const topTagsListened = {}
const notStartedBooks = []
for (const libraryItem of libraryItems) {
if (libraryItem.addedAt > categoryMap['recently-added'].smallest) {
const indexToPut = categoryMap['recently-added'].items.findIndex(i => libraryItem.addedAt > i.addedAt)
if (indexToPut >= 0) {
categoryMap['recently-added'].items.splice(indexToPut, 0, libraryItem.toJSONMinified())
} else {
categoryMap['recently-added'].items.push(libraryItem.toJSONMinified())
}
if (categoryMap['recently-added'].items.length > maxEntitiesPerShelf) {
// Remove last item
categoryMap['recently-added'].items.pop()
categoryMap['recently-added'].smallest = categoryMap['recently-added'].items[categoryMap['recently-added'].items.length - 1].addedAt
}
categoryMap['recently-added'].biggest = categoryMap['recently-added'].items[0].addedAt
}
const allItemProgress = user.getAllMediaProgressForLibraryItem(libraryItem.id)
if (libraryItem.isPodcast) {
// Podcast categories
const podcastEpisodes = libraryItem.media.episodes || []
for (const episode of podcastEpisodes) {
const mediaProgress = allItemProgress.find(mp => mp.episodeId === episode.id)
// Newest episodes
if (!mediaProgress?.isFinished && episode.addedAt > categoryMap['episodes-recently-added'].smallest) {
const libraryItemWithEpisode = {
...libraryItem.toJSONMinified(),
recentEpisode: episode.toJSON()
}
const indexToPut = categoryMap['episodes-recently-added'].items.findIndex(i => episode.addedAt > i.recentEpisode.addedAt)
if (indexToPut >= 0) {
categoryMap['episodes-recently-added'].items.splice(indexToPut, 0, libraryItemWithEpisode)
} else {
categoryMap['episodes-recently-added'].items.push(libraryItemWithEpisode)
}
if (categoryMap['episodes-recently-added'].items.length > maxEntitiesPerShelf) {
// Remove last item
categoryMap['episodes-recently-added'].items.pop()
categoryMap['episodes-recently-added'].smallest = categoryMap['episodes-recently-added'].items[categoryMap['episodes-recently-added'].items.length - 1].recentEpisode.addedAt
}
categoryMap['episodes-recently-added'].biggest = categoryMap['episodes-recently-added'].items[0].recentEpisode.addedAt
}
// Episode recently listened and finished
if (mediaProgress) {
if (mediaProgress.isFinished) {
if (mediaProgress.finishedAt > categoryMap['listen-again'].smallest) { // Item belongs on shelf
const libraryItemWithEpisode = {
...libraryItem.toJSONMinified(),
recentEpisode: episode.toJSON(),
finishedAt: mediaProgress.finishedAt
}
const indexToPut = categoryMap['listen-again'].items.findIndex(i => mediaProgress.finishedAt > i.finishedAt)
if (indexToPut >= 0) {
categoryMap['listen-again'].items.splice(indexToPut, 0, libraryItemWithEpisode)
} else {
categoryMap['listen-again'].items.push(libraryItemWithEpisode)
}
if (categoryMap['listen-again'].items.length > maxEntitiesPerShelf) {
// Remove last item
categoryMap['listen-again'].items.pop()
categoryMap['listen-again'].smallest = categoryMap['listen-again'].items[categoryMap['listen-again'].items.length - 1].finishedAt
}
categoryMap['listen-again'].biggest = categoryMap['listen-again'].items[0].finishedAt
}
} else if (mediaProgress.inProgress && !mediaProgress.hideFromContinueListening) { // Handle most recently listened
if (mediaProgress.lastUpdate > categoryMap['continue-listening'].smallest) { // Item belongs on shelf
const libraryItemWithEpisode = {
...libraryItem.toJSONMinified(),
recentEpisode: episode.toJSON(),
progressLastUpdate: mediaProgress.lastUpdate
}
const indexToPut = categoryMap['continue-listening'].items.findIndex(i => mediaProgress.lastUpdate > i.progressLastUpdate)
if (indexToPut >= 0) {
categoryMap['continue-listening'].items.splice(indexToPut, 0, libraryItemWithEpisode)
} else {
categoryMap['continue-listening'].items.push(libraryItemWithEpisode)
}
if (categoryMap['continue-listening'].items.length > maxEntitiesPerShelf) {
// Remove last item
categoryMap['continue-listening'].items.pop()
categoryMap['continue-listening'].smallest = categoryMap['continue-listening'].items[categoryMap['continue-listening'].items.length - 1].progressLastUpdate
}
categoryMap['continue-listening'].biggest = categoryMap['continue-listening'].items[0].progressLastUpdate
}
}
}
}
} else if (libraryItem.isBook) {
// Book categories
const mediaProgress = allItemProgress.length ? allItemProgress[0] : null
// Used for recommended. Tally up most listened to authors/genres/tags
if (mediaProgress && (mediaProgress.inProgress || mediaProgress.isFinished)) {
libraryItem.media.metadata.authors.forEach((author) => {
topAuthorsListened[author.id] = (topAuthorsListened[author.id] || 0) + 1
})
libraryItem.media.metadata.genres.forEach((genre) => {
topGenresListened[genre] = (topGenresListened[genre] || 0) + 1
})
libraryItem.media.tags.forEach((tag) => {
topTagsListened[tag] = (topTagsListened[tag] || 0) + 1
})
} else {
// Insert in random position to add randomization to equal weighted items
notStartedBooks.splice(Math.floor(Math.random() * (notStartedBooks.length + 1)), 0, libraryItem)
}
// Newest series
if (libraryItem.media.metadata.series.length) {
for (const librarySeries of libraryItem.media.metadata.series) {
const bookInProgress = mediaProgress && (mediaProgress.inProgress || mediaProgress.isFinished)
const bookActive = mediaProgress && mediaProgress.inProgress && !mediaProgress.isFinished
const libraryItemJson = libraryItem.toJSONMinified()
libraryItemJson.seriesSequence = librarySeries.sequence
const hideFromContinueListening = user.checkShouldHideSeriesFromContinueListening(librarySeries.id)
if (!seriesMap[librarySeries.id]) {
const seriesObj = Database.series.find(se => se.id === librarySeries.id)
if (seriesObj) {
const series = {
...seriesObj.toJSON(),
books: [libraryItemJson],
inProgress: bookInProgress,
hasActiveBook: bookActive,
hideFromContinueListening,
bookInProgressLastUpdate: bookInProgress ? mediaProgress.lastUpdate : null,
firstBookUnread: bookInProgress ? null : libraryItemJson
}
seriesMap[librarySeries.id] = series
const indexToPut = categoryMap['recent-series'].items.findIndex(i => series.addedAt > i.addedAt)
if (indexToPut >= 0) {
categoryMap['recent-series'].items.splice(indexToPut, 0, series)
} else {
categoryMap['recent-series'].items.push(series)
}
}
} else {
// series already in map - add book
seriesMap[librarySeries.id].books.push(libraryItemJson)
if (bookInProgress) { // Update if this series is in progress
seriesMap[librarySeries.id].inProgress = true
if (seriesMap[librarySeries.id].bookInProgressLastUpdate < mediaProgress.lastUpdate) {
seriesMap[librarySeries.id].bookInProgressLastUpdate = mediaProgress.lastUpdate
}
} else if (!seriesMap[librarySeries.id].firstBookUnread) {
seriesMap[librarySeries.id].firstBookUnread = libraryItemJson
} else if (libraryItemJson.seriesSequence) {
// If current firstBookUnread has a series sequence greater than this series sequence, then update firstBookUnread
const firstBookUnreadSequence = seriesMap[librarySeries.id].firstBookUnread.seriesSequence
if (!firstBookUnreadSequence || String(firstBookUnreadSequence).localeCompare(String(librarySeries.sequence), undefined, { sensitivity: 'base', numeric: true }) > 0) {
seriesMap[librarySeries.id].firstBookUnread = libraryItemJson
}
}
// Update if series has an active (progress < 100%) book
if (bookActive) {
seriesMap[librarySeries.id].hasActiveBook = true
}
}
}
}
// Newest authors
if (libraryItem.media.metadata.authors.length) {
for (const libraryAuthor of libraryItem.media.metadata.authors) {
if (!authorMap[libraryAuthor.id]) {
const authorObj = Database.authors.find(au => au.id === libraryAuthor.id)
if (authorObj) {
const author = {
...authorObj.toJSON(),
numBooks: 1
}
if (author.addedAt > categoryMap['newest-authors'].smallest) {
const indexToPut = categoryMap['newest-authors'].items.findIndex(i => author.addedAt > i.addedAt)
if (indexToPut >= 0) {
categoryMap['newest-authors'].items.splice(indexToPut, 0, author)
} else {
categoryMap['newest-authors'].items.push(author)
}
// Max authors is 10
if (categoryMap['newest-authors'].items.length > 10) {
categoryMap['newest-authors'].items.pop()
categoryMap['newest-authors'].smallest = categoryMap['newest-authors'].items[categoryMap['newest-authors'].items.length - 1].addedAt
}
categoryMap['newest-authors'].biggest = categoryMap['newest-authors'].items[0].addedAt
}
authorMap[libraryAuthor.id] = author
}
} else {
authorMap[libraryAuthor.id].numBooks++
}
}
}
// Book listening and finished
if (mediaProgress) {
const categoryId = libraryItem.media.isEBookOnly ? 'read-again' : 'listen-again'
// Handle most recently finished
if (mediaProgress.isFinished) {
if (mediaProgress.finishedAt > categoryMap[categoryId].smallest) { // Item belongs on shelf
const libraryItemObj = {
...libraryItem.toJSONMinified(),
finishedAt: mediaProgress.finishedAt
}
const indexToPut = categoryMap[categoryId].items.findIndex(i => mediaProgress.finishedAt > i.finishedAt)
if (indexToPut >= 0) {
categoryMap[categoryId].items.splice(indexToPut, 0, libraryItemObj)
} else {
categoryMap[categoryId].items.push(libraryItemObj)
}
if (categoryMap[categoryId].items.length > maxEntitiesPerShelf) {
// Remove last item
categoryMap[categoryId].items.pop()
categoryMap[categoryId].smallest = categoryMap[categoryId].items[categoryMap[categoryId].items.length - 1].finishedAt
}
categoryMap[categoryId].biggest = categoryMap[categoryId].items[0].finishedAt
}
} else if (mediaProgress.inProgress && !mediaProgress.hideFromContinueListening) { // Handle most recently listened
const categoryId = libraryItem.media.isEBookOnly ? 'continue-reading' : 'continue-listening'
if (mediaProgress.lastUpdate > categoryMap[categoryId].smallest) { // Item belongs on shelf
const libraryItemObj = {
...libraryItem.toJSONMinified(),
progressLastUpdate: mediaProgress.lastUpdate
}
const indexToPut = categoryMap[categoryId].items.findIndex(i => mediaProgress.lastUpdate > i.progressLastUpdate)
if (indexToPut >= 0) {
categoryMap[categoryId].items.splice(indexToPut, 0, libraryItemObj)
} else { // Should only happen when array is < max
categoryMap[categoryId].items.push(libraryItemObj)
}
if (categoryMap[categoryId].items.length > maxEntitiesPerShelf) {
// Remove last item
categoryMap[categoryId].items.pop()
categoryMap[categoryId].smallest = categoryMap[categoryId].items[categoryMap[categoryId].items.length - 1].progressLastUpdate
}
categoryMap[categoryId].biggest = categoryMap[categoryId].items[0].progressLastUpdate
}
}
}
}
}
// For Continue Series - Find next book in series for series that are in progress
for (const seriesId in seriesMap) {
seriesMap[seriesId].books = naturalSort(seriesMap[seriesId].books).asc(li => li.seriesSequence)
if (seriesMap[seriesId].inProgress && !seriesMap[seriesId].hideFromContinueListening) {
// take the first book unread with the smallest series sequence
// unless the user is already listening to a book from this series
const hasActiveBook = seriesMap[seriesId].hasActiveBook
const nextBookInSeries = seriesMap[seriesId].firstBookUnread
if (!hasActiveBook && nextBookInSeries) {
const bookForContinueSeries = {
...nextBookInSeries,
prevBookInProgressLastUpdate: seriesMap[seriesId].bookInProgressLastUpdate
}
bookForContinueSeries.media.metadata.series = {
id: seriesId,
name: seriesMap[seriesId].name,
sequence: nextBookInSeries.seriesSequence
}
const indexToPut = categoryMap['continue-series'].items.findIndex(i => i.prevBookInProgressLastUpdate < bookForContinueSeries.prevBookInProgressLastUpdate)
if (!categoryMap['continue-series'].items.find(book => book.id === bookForContinueSeries.id)) {
if (indexToPut >= 0) {
categoryMap['continue-series'].items.splice(indexToPut, 0, bookForContinueSeries)
} else if (categoryMap['continue-series'].items.length < 10) { // Max 10 books
categoryMap['continue-series'].items.push(bookForContinueSeries)
}
}
}
}
}
// For recommended
if (!isPodcastLibrary && notStartedBooks.length) {
const genresCount = Object.values(topGenresListened).reduce((a, b) => a + b, 0)
const authorsCount = Object.values(topAuthorsListened).reduce((a, b) => a + b, 0)
const tagsCount = Object.values(topTagsListened).reduce((a, b) => a + b, 0)
for (const libraryItem of notStartedBooks) {
// dont include books in an unfinished series and books that are not first in an unstarted series
let shouldContinue = !libraryItem.media.metadata.series.length
libraryItem.media.metadata.series.forEach((se) => {
if (seriesMap[se.id]) {
if (seriesMap[se.id].inProgress) {
shouldContinue = false
return
} else if (seriesMap[se.id].books[0].id === libraryItem.id) {
shouldContinue = true
}
}
})
if (!shouldContinue) {
continue;
}
let totalWeight = 0
if (authorsCount > 0) {
libraryItem.media.metadata.authors.forEach((author) => {
if (topAuthorsListened[author.id]) {
totalWeight += topAuthorsListened[author.id] / authorsCount
}
})
}
if (genresCount > 0) {
libraryItem.media.metadata.genres.forEach((genre) => {
if (topGenresListened[genre]) {
totalWeight += topGenresListened[genre] / genresCount
}
})
}
if (tagsCount > 0) {
libraryItem.media.tags.forEach((tag) => {
if (topTagsListened[tag]) {
totalWeight += topTagsListened[tag] / tagsCount
}
})
}
if (!categoryMap.recommended.smallest || totalWeight > categoryMap.recommended.smallest) {
const libraryItemObj = {
...libraryItem.toJSONMinified(),
weight: totalWeight
}
const indexToPut = categoryMap.recommended.items.findIndex(i => totalWeight > i.weight)
if (indexToPut >= 0) {
categoryMap.recommended.items.splice(indexToPut, 0, libraryItemObj)
} else {
categoryMap.recommended.items.push(libraryItemObj)
}
if (categoryMap.recommended.items.length > maxEntitiesPerShelf) {
categoryMap.recommended.items.pop()
categoryMap.recommended.smallest = categoryMap.recommended.items[categoryMap.recommended.items.length - 1].weight
}
}
}
}
// Sort series books by sequence
if (categoryMap['recent-series'].items.length) {
if (hideSingleBookSeries) {
categoryMap['recent-series'].items = categoryMap['recent-series'].items.filter(seriesItem => seriesItem.books.length > 1)
}
// Limit series shown to 5
categoryMap['recent-series'].items = categoryMap['recent-series'].items.slice(0, 5)
for (const seriesItem of categoryMap['recent-series'].items) {
seriesItem.books = naturalSort(seriesItem.books).asc(li => li.seriesSequence)
}
}
const categoriesWithItems = Object.values(categoryMap).filter(cat => cat.items.length)
return categoriesWithItems.map(cat => {
const shelf = shelves.find(s => s.id === cat.id)
shelf.entities = cat.items
// Add rssFeed to entities if query string "include=rssfeed" was on request
if (includeRssFeed) {
if (shelf.type === 'book' || shelf.type === 'podcast') {
shelf.entities = shelf.entities.map((item) => {
item.rssFeed = ctx.rssFeedManager.findFeedForEntityId(item.id)?.toJSONMinified() || null
return item
})
} else if (shelf.type === 'series') {
shelf.entities = shelf.entities.map((series) => {
series.rssFeed = ctx.rssFeedManager.findFeedForEntityId(series.id)?.toJSONMinified() || null
return series
})
}
}
return shelf
})
},
groupMusicLibraryItemsIntoAlbums(libraryItems) {
const albums = {}
libraryItems.forEach((li) => {
const albumTitle = li.media.metadata.album
const albumArtist = li.media.metadata.albumArtist
if (albumTitle && !albums[albumTitle]) {
albums[albumTitle] = {
title: albumTitle,
artist: albumArtist,
libraryItemId: li.media.coverPath ? li.id : null,
numTracks: 1
}
} else if (albumTitle && albums[albumTitle].artist === albumArtist) {
if (!albums[albumTitle].libraryItemId && li.media.coverPath) albums[albumTitle].libraryItemId = li.id
albums[albumTitle].numTracks++
} else {
if (albumTitle) {
Logger.warn(`Music track "${li.media.metadata.title}" with album "${albumTitle}" has a different album artist then another track in the same album. This track album artist is "${albumArtist}" but the album artist is already set to "${albums[albumTitle].artist}"`)
}
if (!albums['_none_']) albums['_none_'] = { title: 'No Album', artist: 'Various Artists', libraryItemId: null, numTracks: 0 }
albums['_none_'].numTracks++
}
})
return Object.values(albums)
}
}