audiobookshelf/server/Db.js

214 lines
6.4 KiB
JavaScript

const Path = require('path')
const njodb = require("njodb")
const jwt = require('jsonwebtoken')
const Logger = require('./Logger')
const Audiobook = require('./objects/Audiobook')
const User = require('./objects/User')
const ServerSettings = require('./objects/ServerSettings')
class Db {
constructor(CONFIG_PATH) {
this.ConfigPath = CONFIG_PATH
this.AudiobooksPath = Path.join(CONFIG_PATH, 'audiobooks')
this.UsersPath = Path.join(CONFIG_PATH, 'users')
this.SettingsPath = Path.join(CONFIG_PATH, 'settings')
this.audiobooksDb = new njodb.Database(this.AudiobooksPath)
this.usersDb = new njodb.Database(this.UsersPath)
this.settingsDb = new njodb.Database(this.SettingsPath, { datastores: 2 })
this.users = []
this.audiobooks = []
this.settings = []
this.serverSettings = null
}
getEntityDb(entityName) {
if (entityName === 'user') return this.usersDb
else if (entityName === 'audiobook') return this.audiobooksDb
return this.settingsDb
}
getEntityDbKey(entityName) {
if (entityName === 'user') return 'usersDb'
else if (entityName === 'audiobook') return 'audiobooksDb'
return 'settingsDb'
}
getEntityArrayKey(entityName) {
if (entityName === 'user') return 'users'
else if (entityName === 'audiobook') return 'audiobooks'
return 'settings'
}
getDefaultUser(token) {
return new User({
id: 'root',
type: 'root',
username: 'root',
pash: '',
stream: null,
token,
isActive: true,
createdAt: Date.now()
})
}
async init() {
await this.load()
// Insert Defaults
if (!this.users.find(u => u.type === 'root')) {
var token = await jwt.sign({ userId: 'root' }, process.env.TOKEN_SECRET)
Logger.debug('Generated default token', token)
await this.insertUser(this.getDefaultUser(token))
}
if (!this.serverSettings) {
this.serverSettings = new ServerSettings()
await this.insertSettings(this.serverSettings)
}
}
async load() {
var p1 = this.audiobooksDb.select(() => true).then((results) => {
this.audiobooks = results.data.map(a => new Audiobook(a))
Logger.info(`[DB] Audiobooks Loaded ${this.audiobooks.length}`)
})
var p2 = this.usersDb.select(() => true).then((results) => {
this.users = results.data.map(u => new User(u))
Logger.info(`[DB] Users Loaded ${this.users.length}`)
})
var p3 = this.settingsDb.select(() => true).then((results) => {
if (results.data && results.data.length) {
this.settings = results.data
var serverSettings = this.settings.find(s => s.id === 'server-settings')
if (serverSettings) {
this.serverSettings = new ServerSettings(serverSettings)
}
}
})
await Promise.all([p1, p2, p3])
}
insertSettings(settings) {
return this.settingsDb.insert([settings]).then((results) => {
Logger.debug(`[DB] Inserted ${results.inserted} settings`)
this.settings = this.settings.concat(settings)
}).catch((error) => {
Logger.error(`[DB] Insert settings Failed ${error}`)
})
}
insertAudiobook(audiobook) {
return this.insertAudiobooks([audiobook])
}
insertAudiobooks(audiobooks) {
return this.audiobooksDb.insert(audiobooks).then((results) => {
Logger.debug(`[DB] Inserted ${results.inserted} audiobooks`)
this.audiobooks = this.audiobooks.concat(audiobooks)
}).catch((error) => {
Logger.error(`[DB] Insert audiobooks Failed ${error}`)
})
}
updateAudiobook(audiobook) {
return this.audiobooksDb.update((record) => record.id === audiobook.id, () => audiobook).then((results) => {
Logger.debug(`[DB] Audiobook updated ${results.updated}`)
return true
}).catch((error) => {
Logger.error(`[DB] Audiobook update failed ${error}`)
return false
})
}
insertUser(user) {
return this.usersDb.insert([user]).then((results) => {
Logger.debug(`[DB] Inserted user ${results.inserted}`)
this.users.push(user)
return true
}).catch((error) => {
Logger.error(`[DB] Insert user Failed ${error}`)
return false
})
}
updateUserStream(userId, streamId) {
return this.usersDb.update((record) => record.id === userId, (user) => {
user.stream = streamId
return user
}).then((results) => {
Logger.debug(`[DB] Updated user ${results.updated}`)
this.users = this.users.map(u => {
if (u.id === userId) {
u.stream = streamId
}
return u
})
}).catch((error) => {
Logger.error(`[DB] Update user Failed ${error}`)
})
}
updateEntity(entityName, entity) {
var entityDb = this.getEntityDb(entityName)
return entityDb.update((record) => record.id === entity.id, () => entity).then((results) => {
Logger.debug(`[DB] Updated entity ${entityName}: ${results.updated}`)
var arrayKey = this.getEntityArrayKey(entityName)
this[arrayKey] = this[arrayKey].map(e => {
return e.id === entity.id ? entity : e
})
return true
}).catch((error) => {
Logger.error(`[DB] Update entity ${entityName} Failed: ${error}`)
return false
})
}
removeEntity(entityName, entityId) {
var entityDb = this.getEntityDb(entityName)
return entityDb.delete((record) => record.id === entityId).then((results) => {
Logger.debug(`[DB] Deleted entity ${entityName}: ${results.deleted}`)
var arrayKey = this.getEntityArrayKey(entityName)
this[arrayKey] = this[arrayKey].filter(e => {
return e.id !== entityId
})
}).catch((error) => {
Logger.error(`[DB] Remove entity ${entityName} Failed: ${error}`)
})
}
recreateAudiobookDb() {
return this.audiobooksDb.drop().then((results) => {
Logger.info(`[DB] Dropped audiobook db`, results)
this.audiobooksDb = new njodb.Database(this.AudiobooksPath)
this.audiobooks = []
return true
}).catch((error) => {
Logger.error(`[DB] Failed to drop audiobook db`, error)
return false
})
}
getGenres() {
var allGenres = []
this.db.audiobooks.forEach((audiobook) => {
allGenres = allGenres.concat(audiobook.genres)
})
allGenres = [...new Set(allGenres)] // Removes duplicates
return allGenres
}
getTags() {
var allTags = []
this.db.audiobooks.forEach((audiobook) => {
allTags = allTags.concat(audiobook.tags)
})
allTags = [...new Set(allTags)] // Removes duplicates
return allTags
}
}
module.exports = Db