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			589 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			589 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
const Path = require('path')
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const fs = require('fs-extra')
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const filePerms = require('../utils/filePerms')
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const Logger = require('../Logger')
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const Library = require('../objects/Library')
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const libraryHelpers = require('../utils/libraryHelpers')
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const { sort, createNewSortInstance } = require('fast-sort')
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const naturalSort = createNewSortInstance({
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  comparer: new Intl.Collator(undefined, { numeric: true, sensitivity: 'base' }).compare
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})
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class LibraryController {
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  constructor() { }
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  async create(req, res) {
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    var newLibraryPayload = {
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      ...req.body
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    }
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    if (!newLibraryPayload.name || !newLibraryPayload.folders || !newLibraryPayload.folders.length) {
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      return res.status(500).send('Invalid request')
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    }
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    // Validate folder paths exist or can be created & resolve rel paths
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    //   returns 400 if a folder fails to access
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    newLibraryPayload.folders = newLibraryPayload.folders.map(f => {
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      f.fullPath = Path.resolve(f.fullPath)
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      return f
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    })
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    for (var folder of newLibraryPayload.folders) {
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      var success = await fs.ensureDir(folder.fullPath).then(() => true).catch((error) => {
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        Logger.error(`[LibraryController] Failed to ensure folder dir "${folder.fullPath}"`, error)
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        return false
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      })
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      if (!success) {
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        return res.status(400).send(`Invalid folder directory "${folder.fullPath}"`)
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      } else {
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        await filePerms.setDefault(folder.fullPath)
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      }
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    }
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    var library = new Library()
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    newLibraryPayload.displayOrder = this.db.libraries.length + 1
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    library.setData(newLibraryPayload)
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    await this.db.insertEntity('library', library)
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    this.emitter('library_added', library.toJSON())
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    // Add library watcher
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    this.watcher.addLibrary(library)
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    res.json(library)
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  }
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  findAll(req, res) {
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    var librariesAccessible = req.user.librariesAccessible || []
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    if (librariesAccessible && librariesAccessible.length) {
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      return res.json(this.db.libraries.filter(lib => librariesAccessible.includes(lib.id)).map(lib => lib.toJSON()))
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    }
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    res.json(this.db.libraries.map(lib => lib.toJSON()))
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  }
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  async findOne(req, res) {
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    if (req.query.include && req.query.include === 'filterdata') {
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      return res.json({
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        filterdata: libraryHelpers.getDistinctFilterDataNew(req.libraryItems),
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        issues: req.libraryItems.filter(li => li.hasIssues).length,
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        library: req.library
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      })
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    }
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    return res.json(req.library)
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  }
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  async update(req, res) {
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    var library = req.library
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    // Validate new folder paths exist or can be created & resolve rel paths
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    //   returns 400 if a new folder fails to access
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    if (req.body.folders) {
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      var newFolderPaths = []
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      req.body.folders = req.body.folders.map(f => {
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        if (!f.id) {
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          f.fullPath = Path.resolve(f.fullPath)
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          newFolderPaths.push(f.fullPath)
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        }
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        return f
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      })
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      for (var path of newFolderPaths) {
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        var success = await fs.ensureDir(path).then(() => true).catch((error) => {
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          Logger.error(`[LibraryController] Failed to ensure folder dir "${path}"`, error)
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          return false
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        })
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        if (!success) {
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          return res.status(400).send(`Invalid folder directory "${path}"`)
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        } else {
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          await filePerms.setDefault(path)
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        }
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      }
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    }
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    var hasUpdates = library.update(req.body)
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    // TODO: Should check if this is an update to folder paths or name only
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    if (hasUpdates) {
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      // Update watcher
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      this.watcher.updateLibrary(library)
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      // Remove libraryItems no longer in library
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      var itemsToRemove = this.db.libraryItems.filter(li => li.libraryId === library.id && !library.checkFullPathInLibrary(li.path))
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      if (itemsToRemove.length) {
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        Logger.info(`[Scanner] Updating library, removing ${itemsToRemove.length} items`)
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        for (let i = 0; i < itemsToRemove.length; i++) {
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          await this.handleDeleteLibraryItem(itemsToRemove[i])
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        }
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      }
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      await this.db.updateEntity('library', library)
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      this.emitter('library_updated', library.toJSON())
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    }
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    return res.json(library.toJSON())
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  }
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  async delete(req, res) {
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    var library = req.library
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    // Remove library watcher
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    this.watcher.removeLibrary(library)
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    // Remove items in this library
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    var libraryItems = this.db.libraryItems.filter(li => li.libraryId === library.id)
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    Logger.info(`[Server] deleting library "${library.name}" with ${libraryItems.length} items"`)
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    for (let i = 0; i < libraryItems.length; i++) {
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      await this.handleDeleteLibraryItem(libraryItems[i])
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    }
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    var libraryJson = library.toJSON()
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    await this.db.removeEntity('library', library.id)
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    this.emitter('library_removed', libraryJson)
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    return res.json(libraryJson)
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  }
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  // api/libraries/:id/items
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  // TODO: Optimize this method, items are iterated through several times but can be combined
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  getLibraryItems(req, res) {
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    var libraryItems = req.libraryItems
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    var payload = {
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      results: [],
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      total: libraryItems.length,
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      limit: req.query.limit && !isNaN(req.query.limit) ? Number(req.query.limit) : 0,
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      page: req.query.page && !isNaN(req.query.page) ? Number(req.query.page) : 0,
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      sortBy: req.query.sort,
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      sortDesc: req.query.desc === '1',
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      filterBy: req.query.filter,
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      mediaType: req.library.mediaType,
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      minified: req.query.minified === '1',
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      collapseseries: req.query.collapseseries === '1'
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    }
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    var filterSeries = null
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    if (payload.filterBy) {
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      // If filtering by series, will include seriesName and seriesSequence on media metadata
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      filterSeries = (payload.mediaType == 'book' && payload.filterBy.startsWith('series.')) ? libraryHelpers.decode(payload.filterBy.replace('series.', '')) : null
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      libraryItems = libraryHelpers.getFilteredLibraryItems(libraryItems, payload.filterBy, req.user)
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      payload.total = libraryItems.length
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    }
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    if (payload.sortBy) {
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      var sortKey = payload.sortBy
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      // old sort key TODO: should be mutated in dbMigration
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      if (sortKey.startsWith('book.')) {
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        sortKey = sortKey.replace('book.', 'media.metadata.')
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      }
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      // Handle server setting sortingIgnorePrefix
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      if (sortKey === 'media.metadata.title' && this.db.serverSettings.sortingIgnorePrefix) {
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        // BookMetadata.js has titleIgnorePrefix getter
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        sortKey += 'IgnorePrefix'
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      }
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      var direction = payload.sortDesc ? 'desc' : 'asc'
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      libraryItems = naturalSort(libraryItems)[direction]((li) => {
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        // Supports dot notation strings i.e. "media.metadata.title"
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        return sortKey.split('.').reduce((a, b) => a[b], li)
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      })
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    }
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    // TODO: Potentially implement collapse series again
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    if (payload.collapseseries) {
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      libraryItems = libraryHelpers.collapseBookSeries(libraryItems)
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      payload.total = libraryItems.length
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    } else if (filterSeries) {
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      // Book media when filtering series will include series object on media metadata
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      libraryItems = libraryItems.map(li => {
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        var series = li.media.metadata.getSeries(filterSeries)
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        var liJson = payload.minified ? li.toJSONMinified() : li.toJSON()
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        liJson.media.metadata.series = series
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        return liJson
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      })
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      libraryItems = naturalSort(libraryItems).asc(li => li.media.metadata.series.sequence)
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    } else {
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      libraryItems = libraryItems.map(li => payload.minified ? li.toJSONMinified() : li.toJSON())
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    }
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    if (payload.limit) {
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      var startIndex = payload.page * payload.limit
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      libraryItems = libraryItems.slice(startIndex, startIndex + payload.limit)
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    }
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    payload.results = libraryItems
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    res.json(payload)
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  }
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  // api/libraries/:id/series
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  async getAllSeriesForLibrary(req, res) {
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    var libraryItems = req.libraryItems
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    var payload = {
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      results: [],
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      total: 0,
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      limit: req.query.limit && !isNaN(req.query.limit) ? Number(req.query.limit) : 0,
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      page: req.query.page && !isNaN(req.query.page) ? Number(req.query.page) : 0,
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      sortBy: req.query.sort,
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      sortDesc: req.query.desc === '1',
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      filterBy: req.query.filter,
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      minified: req.query.minified === '1'
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    }
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    var series = libraryHelpers.getSeriesFromBooks(libraryItems, payload.minified)
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    var sortingIgnorePrefix = this.db.serverSettings.sortingIgnorePrefix
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    series = sort(series).asc(s => {
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      if (sortingIgnorePrefix && s.name.toLowerCase().startsWith('the ')) {
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        return s.name.substr(4)
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      }
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      return s.name
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    })
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    payload.total = series.length
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    if (payload.limit) {
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      var startIndex = payload.page * payload.limit
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      series = series.slice(startIndex, startIndex + payload.limit)
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    }
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    payload.results = series
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    res.json(payload)
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  }
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  // api/libraries/:id/collections
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  async getCollectionsForLibrary(req, res) {
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    var libraryItems = req.libraryItems
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    var payload = {
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      results: [],
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      total: 0,
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      limit: req.query.limit && !isNaN(req.query.limit) ? Number(req.query.limit) : 0,
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      page: req.query.page && !isNaN(req.query.page) ? Number(req.query.page) : 0,
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      sortBy: req.query.sort,
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      sortDesc: req.query.desc === '1',
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      filterBy: req.query.filter,
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      minified: req.query.minified === '1'
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    }
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    var collections = this.db.collections.filter(c => c.libraryId === req.library.id).map(c => c.toJSONExpanded(libraryItems, payload.minified))
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    payload.total = collections.length
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    if (payload.limit) {
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      var startIndex = payload.page * payload.limit
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      collections = collections.slice(startIndex, startIndex + payload.limit)
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    }
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    payload.results = collections
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    res.json(payload)
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  }
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  async getLibraryFilterData(req, res) {
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    res.json(libraryHelpers.getDistinctFilterDataNew(req.libraryItems))
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  }
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  // api/libraries/:id/personalized
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  async getLibraryUserPersonalized(req, res) {
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    var mediaType = req.library.mediaType
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    var isPodcastLibrary = mediaType == 'podcast'
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    var libraryItems = req.libraryItems
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    var limitPerShelf = req.query.limit && !isNaN(req.query.limit) ? Number(req.query.limit) : 12
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    var minified = req.query.minified === '1'
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    var itemsWithUserProgress = libraryHelpers.getItemsWithUserProgress(req.user, libraryItems)
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    var categories = [
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      {
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        id: 'continue-listening',
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        label: 'Continue Listening',
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        type: req.library.mediaType,
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        entities: libraryHelpers.getItemsMostRecentlyListened(itemsWithUserProgress, limitPerShelf, minified)
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      },
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      {
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        id: 'recently-added',
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        label: 'Recently Added',
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        type: req.library.mediaType,
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        entities: libraryHelpers.getItemsMostRecentlyAdded(libraryItems, limitPerShelf, minified)
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      },
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      {
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        id: 'listen-again',
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        label: 'Listen Again',
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        type: req.library.mediaType,
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        entities: libraryHelpers.getItemsMostRecentlyFinished(itemsWithUserProgress, limitPerShelf, minified)
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      }
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    ].filter(cats => { // Remove categories with no items
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      return cats.entities.length
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    })
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    // New Series section
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    //  TODO: optimize and move to libraryHelpers
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    if (!isPodcastLibrary) {
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      var series = this.db.series.map(se => {
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        var books = libraryItems.filter(li => li.media.metadata.hasSeries(se.id))
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        if (!books.length) return null
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        books = books.map(b => {
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          var json = b.toJSONMinified()
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          json.sequence = b.media.metadata.getSeriesSequence(se.id)
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          return json
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        })
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        books = naturalSort(books).asc(b => b.sequence)
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        return {
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          id: se.id,
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          name: se.name,
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          type: 'series',
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          addedAt: se.addedAt,
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          books
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        }
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      }).filter(se => se).sort((a, b) => a.addedAt - b.addedAt).slice(0, 5)
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      if (series.length) {
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        categories.push({
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          id: 'recent-series',
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          label: 'Recent Series',
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          type: 'series',
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          entities: series
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        })
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      }
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      var authors = this.db.authors.map(author => {
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        var books = libraryItems.filter(li => li.media.metadata.hasAuthor(author.id))
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        if (!books.length) return null
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        // books = books.map(b => b.toJSONMinified())
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        return {
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          ...author.toJSON(),
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          numBooks: books.length
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        }
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      }).filter(au => au).sort((a, b) => a.addedAt - b.addedAt).slice(0, 10)
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      if (authors.length) {
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        categories.push({
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          id: 'newest-authors',
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          label: 'Newest Authors',
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          type: 'authors',
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          entities: authors
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        })
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      }
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    }
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    res.json(categories)
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  }
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  // LEGACY
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  // api/libraries/:id/books/categories
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  async getLibraryCategories(req, res) {
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    var library = req.library
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    var books = this.db.audiobooks.filter(ab => ab.libraryId === library.id)
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    var limitPerShelf = req.query.limit && !isNaN(req.query.limit) ? Number(req.query.limit) : 12
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    var minified = req.query.minified === '1'
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    var booksWithUserAb = libraryHelpers.getItemsWithUserProgress(req.user, books)
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    var series = libraryHelpers.getSeriesFromBooks(books, minified)
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    var seriesWithUserAb = libraryHelpers.getSeriesWithProgressFromBooks(req.user, books)
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    var categories = [
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      {
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        id: 'continue-reading',
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        label: 'Continue Reading',
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        type: 'books',
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        entities: libraryHelpers.getBooksMostRecentlyRead(booksWithUserAb, limitPerShelf, minified)
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      },
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      {
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        id: 'continue-series',
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        label: 'Continue Series',
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        type: 'books',
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        entities: libraryHelpers.getBooksNextInSeries(seriesWithUserAb, limitPerShelf, minified)
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      },
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      {
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        id: 'recently-added',
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        label: 'Recently Added',
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        type: 'books',
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        entities: libraryHelpers.getBooksMostRecentlyAdded(books, limitPerShelf, minified)
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      },
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      {
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        id: 'read-again',
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        label: 'Read Again',
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        type: 'books',
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        entities: libraryHelpers.getBooksMostRecentlyFinished(booksWithUserAb, limitPerShelf, minified)
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      },
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      {
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        id: 'recent-series',
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        label: 'Recent Series',
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        type: 'series',
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        entities: libraryHelpers.getSeriesMostRecentlyAdded(series, limitPerShelf)
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      }
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    ].filter(cats => { // Remove categories with no items
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      return cats.entities.length
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    })
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    res.json(categories)
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  }
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  // PATCH: Change the order of libraries
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  async reorder(req, res) {
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    if (!req.user.isRoot) {
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      Logger.error('[LibraryController] ReorderLibraries invalid user', req.user)
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      return res.sendStatus(403)
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    }
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    var orderdata = req.body
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    var hasUpdates = false
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    for (let i = 0; i < orderdata.length; i++) {
 | 
						|
      var library = this.db.libraries.find(lib => lib.id === orderdata[i].id)
 | 
						|
      if (!library) {
 | 
						|
        Logger.error(`[LibraryController] Invalid library not found in reorder ${orderdata[i].id}`)
 | 
						|
        return res.sendStatus(500)
 | 
						|
      }
 | 
						|
      if (library.update({ displayOrder: orderdata[i].newOrder })) {
 | 
						|
        hasUpdates = true
 | 
						|
        await this.db.updateEntity('library', library)
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    if (hasUpdates) {
 | 
						|
      this.db.libraries.sort((a, b) => a.displayOrder - b.displayOrder)
 | 
						|
      Logger.debug(`[LibraryController] Updated library display orders`)
 | 
						|
    } else {
 | 
						|
      Logger.debug(`[LibraryController] Library orders were up to date`)
 | 
						|
    }
 | 
						|
 | 
						|
    var libraries = this.db.libraries.map(lib => lib.toJSON())
 | 
						|
    res.json(libraries)
 | 
						|
  }
 | 
						|
 | 
						|
  // GET: Global library search
 | 
						|
  search(req, res) {
 | 
						|
    if (!req.query.q) {
 | 
						|
      return res.status(400).send('No query string')
 | 
						|
    }
 | 
						|
    var libraryItems = req.libraryItems
 | 
						|
    var maxResults = req.query.limit && !isNaN(req.query.limit) ? Number(req.query.limit) : 12
 | 
						|
 | 
						|
    var itemMatches = []
 | 
						|
    var authorMatches = {}
 | 
						|
    var seriesMatches = {}
 | 
						|
    var tagMatches = {}
 | 
						|
 | 
						|
    libraryItems.forEach((li) => {
 | 
						|
      var queryResult = li.searchQuery(req.query.q)
 | 
						|
      if (queryResult.matchKey) {
 | 
						|
        itemMatches.push({
 | 
						|
          libraryItem: li.toJSONExpanded(),
 | 
						|
          matchKey: queryResult.matchKey,
 | 
						|
          matchText: queryResult.matchText
 | 
						|
        })
 | 
						|
      }
 | 
						|
      if (queryResult.series && queryResult.series.length) {
 | 
						|
        queryResult.series.forEach((se) => {
 | 
						|
          if (!seriesMatches[se.id]) {
 | 
						|
            var _series = this.db.series.find(_se => _se.id === se.id)
 | 
						|
            if (_series) seriesMatches[se.id] = { series: _series.toJSON(), books: [li.toJSON()] }
 | 
						|
          } else {
 | 
						|
            seriesMatches[se.id].books.push(li.toJSON())
 | 
						|
          }
 | 
						|
        })
 | 
						|
      }
 | 
						|
      if (queryResult.authors && queryResult.authors.length) {
 | 
						|
        queryResult.authors.forEach((au) => {
 | 
						|
          if (!authorMatches[au.id]) {
 | 
						|
            var _author = this.db.authors.find(_au => _au.id === au.id)
 | 
						|
            if (_author) {
 | 
						|
              authorMatches[au.id] = _author.toJSON()
 | 
						|
              authorMatches[au.id].numBooks = 1
 | 
						|
            }
 | 
						|
          } else {
 | 
						|
            authorMatches[au.id].numBooks++
 | 
						|
          }
 | 
						|
        })
 | 
						|
      }
 | 
						|
      if (queryResult.tags && queryResult.tags.length) {
 | 
						|
        queryResult.tags.forEach((tag) => {
 | 
						|
          if (!tagMatches[tag]) {
 | 
						|
            tagMatches[tag] = { name: tag, books: [li.toJSON()] }
 | 
						|
          } else {
 | 
						|
            tagMatches[tag].books.push(li.toJSON())
 | 
						|
          }
 | 
						|
        })
 | 
						|
      }
 | 
						|
    })
 | 
						|
    var itemKey = req.library.mediaType
 | 
						|
    var results = {
 | 
						|
      [itemKey]: itemMatches.slice(0, maxResults),
 | 
						|
      tags: Object.values(tagMatches).slice(0, maxResults),
 | 
						|
      authors: Object.values(authorMatches).slice(0, maxResults),
 | 
						|
      series: Object.values(seriesMatches).slice(0, maxResults)
 | 
						|
    }
 | 
						|
    res.json(results)
 | 
						|
  }
 | 
						|
 | 
						|
  async stats(req, res) {
 | 
						|
    var libraryItems = req.libraryItems
 | 
						|
    var authorsWithCount = libraryHelpers.getAuthorsWithCount(libraryItems)
 | 
						|
    var genresWithCount = libraryHelpers.getGenresWithCount(libraryItems)
 | 
						|
    var durationStats = libraryHelpers.getItemDurationStats(libraryItems)
 | 
						|
    var stats = {
 | 
						|
      totalItems: libraryItems.length,
 | 
						|
      totalAuthors: Object.keys(authorsWithCount).length,
 | 
						|
      totalGenres: Object.keys(genresWithCount).length,
 | 
						|
      totalDuration: durationStats.totalDuration,
 | 
						|
      longestItems: durationStats.longestItems,
 | 
						|
      numAudioTracks: durationStats.numAudioTracks,
 | 
						|
      totalSize: libraryHelpers.getLibraryItemsTotalSize(libraryItems),
 | 
						|
      authorsWithCount,
 | 
						|
      genresWithCount
 | 
						|
    }
 | 
						|
    res.json(stats)
 | 
						|
  }
 | 
						|
 | 
						|
  async getAuthors(req, res) {
 | 
						|
    var libraryItems = req.libraryItems
 | 
						|
    var authors = {}
 | 
						|
    libraryItems.forEach((li) => {
 | 
						|
      if (li.media.metadata.authors && li.media.metadata.authors.length) {
 | 
						|
        li.media.metadata.authors.forEach((au) => {
 | 
						|
          if (!authors[au.id]) {
 | 
						|
            var _author = this.db.authors.find(_au => _au.id === au.id)
 | 
						|
            if (_author) {
 | 
						|
              authors[au.id] = _author.toJSON()
 | 
						|
              authors[au.id].numBooks = 1
 | 
						|
            }
 | 
						|
          } else {
 | 
						|
            authors[au.id].numBooks++
 | 
						|
          }
 | 
						|
        })
 | 
						|
      }
 | 
						|
    })
 | 
						|
    res.json(Object.values(authors))
 | 
						|
  }
 | 
						|
 | 
						|
  async matchBooks(req, res) {
 | 
						|
    if (!req.user.isRoot) {
 | 
						|
      Logger.error(`[LibraryController] Non-root user attempted to match library books`, req.user)
 | 
						|
      return res.sendStatus(403)
 | 
						|
    }
 | 
						|
    this.scanner.matchLibraryBooks(req.library)
 | 
						|
    res.sendStatus(200)
 | 
						|
  }
 | 
						|
 | 
						|
  // GET: api/scan (Root)
 | 
						|
  async scan(req, res) {
 | 
						|
    if (!req.user.isRoot) {
 | 
						|
      Logger.error(`[LibraryController] Non-root user attempted to scan library`, req.user)
 | 
						|
      return res.sendStatus(403)
 | 
						|
    }
 | 
						|
    var options = {
 | 
						|
      forceRescan: req.query.force == 1
 | 
						|
    }
 | 
						|
    res.sendStatus(200)
 | 
						|
    await this.scanner.scan(req.library, options)
 | 
						|
    Logger.info('[LibraryController] Scan complete')
 | 
						|
  }
 | 
						|
 | 
						|
  middleware(req, res, next) {
 | 
						|
    var librariesAccessible = req.user.librariesAccessible || []
 | 
						|
    if (librariesAccessible && librariesAccessible.length && !librariesAccessible.includes(req.params.id)) {
 | 
						|
      Logger.warn(`[LibraryController] Library ${req.params.id} not accessible to user ${req.user.username}`)
 | 
						|
      return res.sendStatus(404)
 | 
						|
    }
 | 
						|
 | 
						|
    var library = this.db.libraries.find(lib => lib.id === req.params.id)
 | 
						|
    if (!library) {
 | 
						|
      return res.status(404).send('Library not found')
 | 
						|
    }
 | 
						|
    req.library = library
 | 
						|
    req.libraryItems = this.db.libraryItems.filter(li => {
 | 
						|
      return li.libraryId === library.id && req.user.checkCanAccessLibraryItemWithTags(li.media.tags)
 | 
						|
    })
 | 
						|
    next()
 | 
						|
  }
 | 
						|
}
 | 
						|
module.exports = new LibraryController() |