From 54ca58e6107f5d7c79546303690e5b2bde7c3e98 Mon Sep 17 00:00:00 2001
From: advplyr <advplyr@protonmail.com>
Date: Sun, 19 Mar 2023 15:19:22 -0500
Subject: [PATCH] Update model casing & associations

---
 server/Database.js                           |  34 +-
 server/Server.js                             |   9 +-
 server/controllers2/LibraryItemController.js | 192 ++++++++
 server/models/AudioBookmark.js               |  49 +-
 server/models/AudioTrack.js                  |  49 +-
 server/models/Book.js                        |  14 +-
 server/models/BookAuthor.js                  |  16 +-
 server/models/BookChapter.js                 |   8 +-
 server/models/BookGenre.js                   |  16 +-
 server/models/BookNarrator.js                |  16 +-
 server/models/BookSeries.js                  |  16 +-
 server/models/BookTag.js                     |  16 +-
 server/models/Collection.js                  |   8 +-
 server/models/CollectionBook.js              |  16 +-
 server/models/Device.js                      |   8 +-
 server/models/EBookFile.js                   |  11 +-
 server/models/Feed.js                        |  82 ++--
 server/models/FeedEpisode.js                 |   8 +-
 server/models/FileMetadata.js                |   6 +-
 server/models/Genre.js                       |   2 +-
 server/models/Library.js                     |   2 +-
 server/models/LibraryFile.js                 |  12 +-
 server/models/LibraryFolder.js               |   8 +-
 server/models/LibraryItem.js                 |  55 ++-
 server/models/LibrarySetting.js              |   8 +-
 server/models/MediaFile.js                   |   8 +-
 server/models/MediaProgress.js               |  58 +--
 server/models/MediaStream.js                 |   8 +-
 server/models/Notification.js                |   2 +-
 server/models/Person.js                      |   8 +-
 server/models/PlaybackSession.js             |  53 ++-
 server/models/PlaybackSessionListenTime.js   |   8 +-
 server/models/Playlist.js                    |  12 +-
 server/models/PlaylistMediaItem.js           |  49 +-
 server/models/Podcast.js                     |  11 +-
 server/models/PodcastEpisode.js              |   8 +-
 server/models/PodcastGenre.js                |  16 +-
 server/models/PodcastTag.js                  |  16 +-
 server/models/Series.js                      |   2 +-
 server/models/Setting.js                     |   2 +-
 server/models/Tag.js                         |   2 +-
 server/models/User.js                        |   2 +-
 server/models/UserPermission.js              |   8 +-
 server/routers/ApiRouter2.js                 |  15 +
 server/utils/migrations/dbMigration.js       | 442 +++++++++----------
 45 files changed, 830 insertions(+), 561 deletions(-)
 create mode 100644 server/controllers2/LibraryItemController.js
 create mode 100644 server/routers/ApiRouter2.js

diff --git a/server/Database.js b/server/Database.js
index f9b5f7a1..ba5ac290 100644
--- a/server/Database.js
+++ b/server/Database.js
@@ -12,12 +12,12 @@ class Database {
     return this.sequelize?.models || {}
   }
 
-  async init() {
+  async init(force = false) {
     if (!await this.connect()) {
       throw new Error('Database connection failed')
     }
 
-    await this.buildModels()
+    await this.buildModels(force)
     Logger.info(`[Database] Db initialized`, Object.keys(this.sequelize.models))
   }
 
@@ -30,6 +30,9 @@ class Database {
       logging: false
     })
 
+    // Helper function
+    this.sequelize.uppercaseFirst = str => str ? `${str[0].toUpperCase()}${str.substr(1)}` : ''
+
     try {
       await this.sequelize.authenticate()
       Logger.info(`[Database] Db connection was successful`)
@@ -40,15 +43,15 @@ class Database {
     }
   }
 
-  buildModels() {
+  buildModels(force = false) {
     require('./models/User')(this.sequelize)
     require('./models/FileMetadata')(this.sequelize)
-    require('./models/Library')(this.sequelize)
-    require('./models/LibraryFolder')(this.sequelize)
-    require('./models/LibraryItem')(this.sequelize)
     require('./models/EBookFile')(this.sequelize)
     require('./models/Book')(this.sequelize)
     require('./models/Podcast')(this.sequelize)
+    require('./models/Library')(this.sequelize)
+    require('./models/LibraryFolder')(this.sequelize)
+    require('./models/LibraryItem')(this.sequelize)
     require('./models/PodcastEpisode')(this.sequelize)
     require('./models/MediaProgress')(this.sequelize)
     require('./models/LibraryFile')(this.sequelize)
@@ -82,24 +85,7 @@ class Database {
     require('./models/Notification')(this.sequelize)
     require('./models/UserPermission')(this.sequelize)
 
-    return this.sequelize.sync({ force: true })
-  }
-
-  async createTestUser() {
-    const User = this.sequelize.models.User
-
-    let user = await User.findOne({
-      where: {
-        username: 'Tester'
-      }
-    })
-
-    if (user) {
-      Logger.info(`[Database] Tester user was found`, user.toJSON())
-    } else {
-      user = await User.create({ username: 'Tester' })
-      Logger.info(`[Database] Created Tester user`, user.toJSON())
-    }
+    return this.sequelize.sync({ force })
   }
 }
 
diff --git a/server/Server.js b/server/Server.js
index 81109b5b..136ca0b7 100644
--- a/server/Server.js
+++ b/server/Server.js
@@ -22,6 +22,7 @@ const Database = require('./Database')
 const SocketAuthority = require('./SocketAuthority')
 
 const ApiRouter = require('./routers/ApiRouter')
+const ApiRouter2 = require('./routers/ApiRouter2')
 const HlsRouter = require('./routers/HlsRouter')
 const StaticRouter = require('./routers/StaticRouter')
 
@@ -84,6 +85,7 @@ class Server {
 
     // Routers
     this.apiRouter = new ApiRouter(this)
+
     this.hlsRouter = new HlsRouter(this.db, this.auth, this.playbackSessionManager)
     this.staticRouter = new StaticRouter(this.db)
 
@@ -102,9 +104,9 @@ class Server {
     await this.playbackSessionManager.removeOrphanStreams()
 
     // TODO: Test new db connection
-    await Database.init()
-    // await Database.createTestUser()
-    await dbMigration3.migrate()
+    const force = true
+    await Database.init(force)
+    if (force) await dbMigration3.migrate()
 
     const previousVersion = await this.db.checkPreviousVersion() // Returns null if same server version
     if (previousVersion) {
@@ -169,6 +171,7 @@ class Server {
     // Static folder
     router.use(express.static(Path.join(global.appRoot, 'static')))
 
+    router.use('/api/v1', new ApiRouter2(this).router)
     router.use('/api', this.authMiddleware.bind(this), this.apiRouter.router)
     router.use('/hls', this.authMiddleware.bind(this), this.hlsRouter.router)
     router.use('/s', this.authMiddleware.bind(this), this.staticRouter.router)
diff --git a/server/controllers2/LibraryItemController.js b/server/controllers2/LibraryItemController.js
new file mode 100644
index 00000000..608ac1d9
--- /dev/null
+++ b/server/controllers2/LibraryItemController.js
@@ -0,0 +1,192 @@
+const Database = require('../Database')
+
+class LibraryItemController {
+  constructor() { }
+
+  // Example get library item fully expanded or minified
+  async get(req, res) {
+    const key = req.query.minified == 1 ? 'minified' : 'full'
+    const include = {
+      minified: [
+        {
+          model: Database.models.book,
+          include: [
+            {
+              model: Database.models.audioTrack
+            },
+            {
+              model: Database.models.genre,
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: Database.models.tag,
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: Database.models.person,
+              as: 'authors',
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: Database.models.person,
+              as: 'narrators',
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: Database.models.series,
+              through: {
+                attributes: ['sequence']
+              }
+            },
+            {
+              model: Database.models.bookChapter
+            },
+            {
+              model: Database.models.eBookFile,
+              include: 'fileMetadata'
+            }
+          ]
+        },
+        {
+          model: Database.models.podcast,
+          include: [
+            {
+              model: Database.models.podcastEpisode,
+              include: {
+                model: Database.models.audioTrack
+              }
+            },
+            {
+              model: Database.models.genre,
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: Database.models.tag,
+              through: {
+                attributes: []
+              }
+            },
+          ]
+        }
+      ],
+      full: [
+        {
+          model: Database.models.book,
+          include: [
+            {
+              model: Database.models.fileMetadata,
+              as: 'imageFile'
+            },
+            {
+              model: Database.models.audioTrack,
+              include: {
+                model: Database.models.mediaFile,
+                include: [
+                  'fileMetadata',
+                  'mediaStreams'
+                ]
+              }
+            },
+            {
+              model: Database.models.genre,
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: Database.models.tag,
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: Database.models.person,
+              as: 'authors',
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: Database.models.person,
+              as: 'narrators',
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: Database.models.series,
+              through: {
+                attributes: ['sequence']
+              }
+            },
+            {
+              model: Database.models.bookChapter
+            },
+            {
+              model: Database.models.eBookFile,
+              include: 'fileMetadata'
+            }
+          ]
+        },
+        {
+          model: Database.models.podcast,
+          include: [
+            {
+              model: Database.models.fileMetadata,
+              as: 'imageFile'
+            },
+            {
+              model: Database.models.podcastEpisode,
+              include: {
+                model: Database.models.audioTrack,
+                include: {
+                  model: Database.models.mediaFile,
+                  include: [
+                    'fileMetadata',
+                    'mediaStreams'
+                  ]
+                }
+              }
+            },
+            {
+              model: Database.models.genre,
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: Database.models.tag,
+              through: {
+                attributes: []
+              }
+            },
+          ]
+        },
+        {
+          model: Database.models.libraryFile,
+          include: 'fileMetadata'
+        },
+        {
+          model: Database.models.libraryFolder,
+          include: 'library'
+        }
+      ]
+    }
+    const LibraryItem = await Database.models.libraryItem.findByPk(req.params.id, {
+      include: include[key]
+    })
+
+    res.json(LibraryItem)
+  }
+}
+module.exports = new LibraryItemController()
\ No newline at end of file
diff --git a/server/models/AudioBookmark.js b/server/models/AudioBookmark.js
index fe50ed37..89d6039f 100644
--- a/server/models/AudioBookmark.js
+++ b/server/models/AudioBookmark.js
@@ -8,7 +8,7 @@ module.exports = (sequelize) => {
   class AudioBookmark extends Model {
     getMediaItem(options) {
       if (!this.mediaItemType) return Promise.resolve(null)
-      const mixinMethodName = `get${this.mediaItemType}`
+      const mixinMethodName = `get${sequelize.uppercaseFirst(this.mediaItemType)}`
       return this[mixinMethodName](options)
     }
   }
@@ -19,52 +19,57 @@ module.exports = (sequelize) => {
       defaultValue: DataTypes.UUIDV4,
       primaryKey: true
     },
-    MediaItemId: DataTypes.UUIDV4,
+    mediaItemId: DataTypes.UUIDV4,
     mediaItemType: DataTypes.STRING,
     title: DataTypes.STRING,
     time: DataTypes.INTEGER
   }, {
     sequelize,
-    modelName: 'AudioBookmark'
+    modelName: 'audioBookmark'
   })
 
-  const { User, Book, PodcastEpisode } = sequelize.models
-  Book.hasMany(AudioBookmark, {
-    foreignKey: 'MediaItemId',
+  const { user, book, podcastEpisode } = sequelize.models
+  book.hasMany(AudioBookmark, {
+    foreignKey: 'mediaItemId',
     constraints: false,
     scope: {
-      mediaItemType: 'Book'
+      mediaItemType: 'book'
     }
   })
-  AudioBookmark.belongsTo(Book, { foreignKey: 'MediaItemId', constraints: false })
+  AudioBookmark.belongsTo(book, { foreignKey: 'mediaItemId', constraints: false })
 
-  PodcastEpisode.hasMany(AudioBookmark, {
-    foreignKey: 'MediaItemId',
+  podcastEpisode.hasMany(AudioBookmark, {
+    foreignKey: 'mediaItemId',
     constraints: false,
     scope: {
-      mediaItemType: 'PodcastEpisode'
+      mediaItemType: 'podcastEpisode'
     }
   })
-  AudioBookmark.belongsTo(PodcastEpisode, { foreignKey: 'MediaItemId', constraints: false })
+  AudioBookmark.belongsTo(podcastEpisode, { foreignKey: 'mediaItemId', constraints: false })
 
   AudioBookmark.addHook('afterFind', findResult => {
+    if (!findResult) return
+
     if (!Array.isArray(findResult)) findResult = [findResult]
+
     for (const instance of findResult) {
-      if (instance.mediaItemType === 'Book' && instance.Book !== undefined) {
-        instance.MediaItem = instance.Book
-      } else if (instance.mediaItemType === 'PodcastEpisode' && instance.PodcastEpisode !== undefined) {
-        instance.MediaItem = instance.PodcastEpisode
+      if (instance.mediaItemType === 'book' && instance.book !== undefined) {
+        instance.mediaItem = instance.book
+        instance.dataValues.mediaItem = instance.dataValues.book
+      } else if (instance.mediaItemType === 'podcastEpisode' && instance.podcastEpisode !== undefined) {
+        instance.mediaItem = instance.podcastEpisode
+        instance.dataValues.mediaItem = instance.dataValues.podcastEpisode
       }
       // To prevent mistakes:
-      delete instance.Book
-      delete instance.dataValues.Book
-      delete instance.PodcastEpisode
-      delete instance.dataValues.PodcastEpisode
+      delete instance.book
+      delete instance.dataValues.book
+      delete instance.podcastEpisode
+      delete instance.dataValues.podcastEpisode
     }
   })
 
-  User.hasMany(AudioBookmark)
-  AudioBookmark.belongsTo(User)
+  user.hasMany(AudioBookmark)
+  AudioBookmark.belongsTo(user)
 
   return AudioBookmark
 }
\ No newline at end of file
diff --git a/server/models/AudioTrack.js b/server/models/AudioTrack.js
index 8a4b9f65..3b119d3b 100644
--- a/server/models/AudioTrack.js
+++ b/server/models/AudioTrack.js
@@ -8,7 +8,7 @@ module.exports = (sequelize) => {
   class AudioTrack extends Model {
     getMediaItem(options) {
       if (!this.mediaItemType) return Promise.resolve(null)
-      const mixinMethodName = `get${this.mediaItemType}`
+      const mixinMethodName = `get${sequelize.uppercaseFirst(this.mediaItemType)}`
       return this[mixinMethodName](options)
     }
   }
@@ -19,7 +19,7 @@ module.exports = (sequelize) => {
       defaultValue: DataTypes.UUIDV4,
       primaryKey: true
     },
-    MediaItemId: DataTypes.UUIDV4,
+    mediaItemId: DataTypes.UUIDV4,
     mediaItemType: DataTypes.STRING,
     index: DataTypes.INTEGER,
     startOffset: DataTypes.FLOAT,
@@ -31,45 +31,50 @@ module.exports = (sequelize) => {
     discNumber: DataTypes.INTEGER
   }, {
     sequelize,
-    modelName: 'AudioTrack'
+    modelName: 'audioTrack'
   })
 
-  const { Book, PodcastEpisode, MediaFile } = sequelize.models
+  const { book, podcastEpisode, mediaFile } = sequelize.models
 
-  MediaFile.hasOne(AudioTrack)
-  AudioTrack.belongsTo(MediaFile)
+  mediaFile.hasOne(AudioTrack)
+  AudioTrack.belongsTo(mediaFile)
 
-  Book.hasMany(AudioTrack, {
-    foreignKey: 'MediaItemId',
+  book.hasMany(AudioTrack, {
+    foreignKey: 'mediaItemId',
     constraints: false,
     scope: {
-      mediaItemType: 'Book'
+      mediaItemType: 'book'
     }
   })
-  AudioTrack.belongsTo(Book, { foreignKey: 'MediaItemId', constraints: false })
+  AudioTrack.belongsTo(book, { foreignKey: 'mediaItemId', constraints: false })
 
-  PodcastEpisode.hasOne(AudioTrack, {
-    foreignKey: 'MediaItemId',
+  podcastEpisode.hasOne(AudioTrack, {
+    foreignKey: 'mediaItemId',
     constraints: false,
     scope: {
-      mediaItemType: 'PodcastEpisode'
+      mediaItemType: 'podcastEpisode'
     }
   })
-  AudioTrack.belongsTo(PodcastEpisode, { foreignKey: 'MediaItemId', constraints: false })
+  AudioTrack.belongsTo(podcastEpisode, { foreignKey: 'mediaItemId', constraints: false })
 
   AudioTrack.addHook('afterFind', findResult => {
+    if (!findResult) return
+
     if (!Array.isArray(findResult)) findResult = [findResult]
+
     for (const instance of findResult) {
-      if (instance.mediaItemType === 'Book' && instance.Book !== undefined) {
-        instance.MediaItem = instance.Book
-      } else if (instance.mediaItemType === 'PodcastEpisode' && instance.PodcastEpisode !== undefined) {
-        instance.MediaItem = instance.PodcastEpisode
+      if (instance.mediaItemType === 'book' && instance.book !== undefined) {
+        instance.mediaItem = instance.book
+        instance.dataValues.mediaItem = instance.dataValues.book
+      } else if (instance.mediaItemType === 'podcastEpisode' && instance.podcastEpisode !== undefined) {
+        instance.mediaItem = instance.podcastEpisode
+        instance.dataValues.mediaItem = instance.dataValues.podcastEpisode
       }
       // To prevent mistakes:
-      delete instance.Book
-      delete instance.dataValues.Book
-      delete instance.PodcastEpisode
-      delete instance.dataValues.PodcastEpisode
+      delete instance.book
+      delete instance.dataValues.book
+      delete instance.podcastEpisode
+      delete instance.dataValues.podcastEpisode
     }
   })
 
diff --git a/server/models/Book.js b/server/models/Book.js
index b677c69a..21bbee59 100644
--- a/server/models/Book.js
+++ b/server/models/Book.js
@@ -23,18 +23,16 @@ module.exports = (sequelize) => {
     lastCoverSearch: DataTypes.DATE
   }, {
     sequelize,
-    modelName: 'Book'
+    modelName: 'book'
   })
 
-  const { LibraryItem, FileMetadata, EBookFile } = sequelize.models
-  LibraryItem.hasOne(Book)
-  Book.belongsTo(LibraryItem)
+  const { fileMetadata, eBookFile } = sequelize.models
 
-  FileMetadata.hasOne(Book, { foreignKey: 'ImageFileId ' })
-  Book.belongsTo(FileMetadata, { as: 'ImageFile', foreignKey: 'ImageFileId' }) // Ref: https://sequelize.org/docs/v6/core-concepts/assocs/#defining-an-alias
+  fileMetadata.hasOne(Book, { foreignKey: 'imageFileId' })
+  Book.belongsTo(fileMetadata, { as: 'imageFile', foreignKey: 'imageFileId' }) // Ref: https://sequelize.org/docs/v6/core-concepts/assocs/#defining-an-alias
 
-  EBookFile.hasOne(Book)
-  Book.belongsTo(EBookFile)
+  eBookFile.hasOne(Book)
+  Book.belongsTo(eBookFile)
 
   return Book
 }
\ No newline at end of file
diff --git a/server/models/BookAuthor.js b/server/models/BookAuthor.js
index 686c8e89..11051cbf 100644
--- a/server/models/BookAuthor.js
+++ b/server/models/BookAuthor.js
@@ -11,21 +11,21 @@ module.exports = (sequelize) => {
     }
   }, {
     sequelize,
-    modelName: 'BookAuthor',
+    modelName: 'bookAuthor',
     timestamps: false
   })
 
   // Super Many-to-Many
   // ref: https://sequelize.org/docs/v6/advanced-association-concepts/advanced-many-to-many/#the-best-of-both-worlds-the-super-many-to-many-relationship
-  const { Book, Person } = sequelize.models
-  Book.belongsToMany(Person, { through: BookAuthor })
-  Person.belongsToMany(Book, { through: BookAuthor })
+  const { book, person } = sequelize.models
+  book.belongsToMany(person, { through: BookAuthor, as: 'authors', otherKey: 'authorId' })
+  person.belongsToMany(book, { through: BookAuthor, foreignKey: 'authorId' })
 
-  Book.hasMany(BookAuthor)
-  BookAuthor.belongsTo(Book)
+  book.hasMany(BookAuthor)
+  BookAuthor.belongsTo(book)
 
-  Person.hasMany(BookAuthor)
-  BookAuthor.belongsTo(Person)
+  person.hasMany(BookAuthor, { foreignKey: 'authorId' })
+  BookAuthor.belongsTo(person, { as: 'author', foreignKey: 'authorId' })
 
   return BookAuthor
 }
\ No newline at end of file
diff --git a/server/models/BookChapter.js b/server/models/BookChapter.js
index 1d9af4aa..5aca0606 100644
--- a/server/models/BookChapter.js
+++ b/server/models/BookChapter.js
@@ -15,13 +15,13 @@ module.exports = (sequelize) => {
     end: DataTypes.FLOAT
   }, {
     sequelize,
-    modelName: 'BookChapter'
+    modelName: 'bookChapter'
   })
 
-  const { Book } = sequelize.models
+  const { book } = sequelize.models
 
-  Book.hasMany(BookChapter)
-  BookChapter.belongsTo(Book)
+  book.hasMany(BookChapter)
+  BookChapter.belongsTo(book)
 
   return BookChapter
 }
\ No newline at end of file
diff --git a/server/models/BookGenre.js b/server/models/BookGenre.js
index 0fde5353..6a41793a 100644
--- a/server/models/BookGenre.js
+++ b/server/models/BookGenre.js
@@ -11,21 +11,21 @@ module.exports = (sequelize) => {
     }
   }, {
     sequelize,
-    modelName: 'BookGenre',
+    modelName: 'bookGenre',
     timestamps: false
   })
 
   // Super Many-to-Many
   // ref: https://sequelize.org/docs/v6/advanced-association-concepts/advanced-many-to-many/#the-best-of-both-worlds-the-super-many-to-many-relationship
-  const { Book, Genre } = sequelize.models
-  Book.belongsToMany(Genre, { through: BookGenre })
-  Genre.belongsToMany(Book, { through: BookGenre })
+  const { book, genre } = sequelize.models
+  book.belongsToMany(genre, { through: BookGenre })
+  genre.belongsToMany(book, { through: BookGenre })
 
-  Book.hasMany(BookGenre)
-  BookGenre.belongsTo(Book)
+  book.hasMany(BookGenre)
+  BookGenre.belongsTo(book)
 
-  Genre.hasMany(BookGenre)
-  BookGenre.belongsTo(Genre)
+  genre.hasMany(BookGenre)
+  BookGenre.belongsTo(genre)
 
   return BookGenre
 }
\ No newline at end of file
diff --git a/server/models/BookNarrator.js b/server/models/BookNarrator.js
index d246160e..6038553d 100644
--- a/server/models/BookNarrator.js
+++ b/server/models/BookNarrator.js
@@ -11,21 +11,21 @@ module.exports = (sequelize) => {
     }
   }, {
     sequelize,
-    modelName: 'BookNarrator',
+    modelName: 'bookNarrator',
     timestamps: false
   })
 
   // Super Many-to-Many
   // ref: https://sequelize.org/docs/v6/advanced-association-concepts/advanced-many-to-many/#the-best-of-both-worlds-the-super-many-to-many-relationship
-  const { Book, Person } = sequelize.models
-  Book.belongsToMany(Person, { through: BookNarrator })
-  Person.belongsToMany(Book, { through: BookNarrator })
+  const { book, person } = sequelize.models
+  book.belongsToMany(person, { through: BookNarrator, as: 'narrators', otherKey: 'narratorId' })
+  person.belongsToMany(book, { through: BookNarrator, foreignKey: 'narratorId' })
 
-  Book.hasMany(BookNarrator)
-  BookNarrator.belongsTo(Book)
+  book.hasMany(BookNarrator)
+  BookNarrator.belongsTo(book)
 
-  Person.hasMany(BookNarrator)
-  BookNarrator.belongsTo(Person)
+  person.hasMany(BookNarrator, { foreignKey: 'narratorId' })
+  BookNarrator.belongsTo(person, { as: 'narrator', foreignKey: 'narratorId' })
 
   return BookNarrator
 }
\ No newline at end of file
diff --git a/server/models/BookSeries.js b/server/models/BookSeries.js
index f4cf31a3..5259f835 100644
--- a/server/models/BookSeries.js
+++ b/server/models/BookSeries.js
@@ -12,21 +12,21 @@ module.exports = (sequelize) => {
     sequence: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'BookSeries',
+    modelName: 'bookSeries',
     timestamps: false
   })
 
   // Super Many-to-Many
   // ref: https://sequelize.org/docs/v6/advanced-association-concepts/advanced-many-to-many/#the-best-of-both-worlds-the-super-many-to-many-relationship
-  const { Book, Series } = sequelize.models
-  Book.belongsToMany(Series, { through: BookSeries })
-  Series.belongsToMany(Book, { through: BookSeries })
+  const { book, series } = sequelize.models
+  book.belongsToMany(series, { through: BookSeries })
+  series.belongsToMany(book, { through: BookSeries })
 
-  Book.hasMany(BookSeries)
-  BookSeries.belongsTo(Book)
+  book.hasMany(BookSeries)
+  BookSeries.belongsTo(book)
 
-  Series.hasMany(BookSeries)
-  BookSeries.belongsTo(Series)
+  series.hasMany(BookSeries)
+  BookSeries.belongsTo(series)
 
   return BookSeries
 }
\ No newline at end of file
diff --git a/server/models/BookTag.js b/server/models/BookTag.js
index 2089f623..63e36503 100644
--- a/server/models/BookTag.js
+++ b/server/models/BookTag.js
@@ -11,21 +11,21 @@ module.exports = (sequelize) => {
     }
   }, {
     sequelize,
-    modelName: 'BookTag',
+    modelName: 'bookTag',
     timestamps: false
   })
 
   // Super Many-to-Many
   // ref: https://sequelize.org/docs/v6/advanced-association-concepts/advanced-many-to-many/#the-best-of-both-worlds-the-super-many-to-many-relationship
-  const { Book, Tag } = sequelize.models
-  Book.belongsToMany(Tag, { through: BookTag })
-  Tag.belongsToMany(Book, { through: BookTag })
+  const { book, tag } = sequelize.models
+  book.belongsToMany(tag, { through: BookTag })
+  tag.belongsToMany(book, { through: BookTag })
 
-  Book.hasMany(BookTag)
-  BookTag.belongsTo(Book)
+  book.hasMany(BookTag)
+  BookTag.belongsTo(book)
 
-  Tag.hasMany(BookTag)
-  BookTag.belongsTo(Tag)
+  tag.hasMany(BookTag)
+  BookTag.belongsTo(tag)
 
   return BookTag
 }
\ No newline at end of file
diff --git a/server/models/Collection.js b/server/models/Collection.js
index 42a41ac6..683c2081 100644
--- a/server/models/Collection.js
+++ b/server/models/Collection.js
@@ -13,13 +13,13 @@ module.exports = (sequelize) => {
     description: DataTypes.TEXT
   }, {
     sequelize,
-    modelName: 'Collection'
+    modelName: 'collection'
   })
 
-  const { Library } = sequelize.models
+  const { library } = sequelize.models
 
-  Library.hasMany(Collection)
-  Collection.belongsTo(Library)
+  library.hasMany(Collection)
+  Collection.belongsTo(library)
 
   return Collection
 }
\ No newline at end of file
diff --git a/server/models/CollectionBook.js b/server/models/CollectionBook.js
index c4032ced..022bde12 100644
--- a/server/models/CollectionBook.js
+++ b/server/models/CollectionBook.js
@@ -13,20 +13,20 @@ module.exports = (sequelize) => {
     sequelize,
     timestamps: true,
     updatedAt: false,
-    modelName: 'CollectionBook'
+    modelName: 'collectionBook'
   })
 
   // Super Many-to-Many
   // ref: https://sequelize.org/docs/v6/advanced-association-concepts/advanced-many-to-many/#the-best-of-both-worlds-the-super-many-to-many-relationship
-  const { Book, Collection } = sequelize.models
-  Book.belongsToMany(Collection, { through: CollectionBook })
-  Collection.belongsToMany(Book, { through: CollectionBook })
+  const { book, collection } = sequelize.models
+  book.belongsToMany(collection, { through: CollectionBook })
+  collection.belongsToMany(book, { through: CollectionBook })
 
-  Book.hasMany(CollectionBook)
-  CollectionBook.belongsTo(Book)
+  book.hasMany(CollectionBook)
+  CollectionBook.belongsTo(book)
 
-  Collection.hasMany(CollectionBook)
-  CollectionBook.belongsTo(Collection)
+  collection.hasMany(CollectionBook)
+  CollectionBook.belongsTo(collection)
 
   return CollectionBook
 }
\ No newline at end of file
diff --git a/server/models/Device.js b/server/models/Device.js
index 4f5a180d..bf379023 100644
--- a/server/models/Device.js
+++ b/server/models/Device.js
@@ -17,13 +17,13 @@ module.exports = (sequelize) => {
     deviceVersion: DataTypes.STRING // e.g. Browser version or Android SDK
   }, {
     sequelize,
-    modelName: 'Device'
+    modelName: 'device'
   })
 
-  const { User } = sequelize.models
+  const { user } = sequelize.models
 
-  User.hasMany(Device)
-  Device.belongsTo(User)
+  user.hasMany(Device)
+  Device.belongsTo(user)
 
   return Device
 }
\ No newline at end of file
diff --git a/server/models/EBookFile.js b/server/models/EBookFile.js
index 05edf2e7..61c485c0 100644
--- a/server/models/EBookFile.js
+++ b/server/models/EBookFile.js
@@ -8,16 +8,17 @@ module.exports = (sequelize) => {
       type: DataTypes.UUID,
       defaultValue: DataTypes.UUIDV4,
       primaryKey: true
-    }
+    },
+    format: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'EBookFile'
+    modelName: 'eBookFile'
   })
 
-  const { FileMetadata } = sequelize.models
+  const { fileMetadata } = sequelize.models
 
-  FileMetadata.hasOne(EBookFile, { foreignKey: 'FileMetadataId' })
-  EBookFile.belongsTo(FileMetadata, { as: 'FileMetadata', foreignKey: 'FileMetadataId' })
+  fileMetadata.hasOne(EBookFile, { foreignKey: 'fileMetadataId' })
+  EBookFile.belongsTo(fileMetadata, { as: 'fileMetadata', foreignKey: 'fileMetadataId' })
 
   return EBookFile
 }
\ No newline at end of file
diff --git a/server/models/Feed.js b/server/models/Feed.js
index 8849a292..f843e7e3 100644
--- a/server/models/Feed.js
+++ b/server/models/Feed.js
@@ -8,7 +8,7 @@ module.exports = (sequelize) => {
   class Feed extends Model {
     getEntity(options) {
       if (!this.entityType) return Promise.resolve(null)
-      const mixinMethodName = `get${this.entityType}`
+      const mixinMethodName = `get${sequelize.uppercaseFirst(this.entityType)}`
       return this[mixinMethodName](options)
     }
   }
@@ -21,7 +21,7 @@ module.exports = (sequelize) => {
     },
     slug: DataTypes.STRING,
     entityType: DataTypes.STRING,
-    EntityId: DataTypes.UUIDV4,
+    entityId: DataTypes.UUIDV4,
     entityUpdatedAt: DataTypes.DATE,
     serverAddress: DataTypes.STRING,
     feedURL: DataTypes.STRING,
@@ -38,72 +38,78 @@ module.exports = (sequelize) => {
     preventIndexing: DataTypes.BOOLEAN
   }, {
     sequelize,
-    modelName: 'Feed'
+    modelName: 'feed'
   })
 
-  const { User, LibraryItem, Collection, Series, Playlist } = sequelize.models
+  const { user, libraryItem, collection, series, playlist } = sequelize.models
 
-  User.hasMany(Feed)
-  Feed.belongsTo(User)
+  user.hasMany(Feed)
+  Feed.belongsTo(user)
 
-  LibraryItem.hasMany(Feed, {
-    foreignKey: 'EntityId',
+  libraryItem.hasMany(Feed, {
+    foreignKey: 'entityId',
     constraints: false,
     scope: {
-      entityType: 'LibraryItem'
+      entityType: 'libraryItem'
     }
   })
-  Feed.belongsTo(LibraryItem, { foreignKey: 'EntityId', constraints: false })
+  Feed.belongsTo(libraryItem, { foreignKey: 'entityId', constraints: false })
 
-  Collection.hasMany(Feed, {
-    foreignKey: 'EntityId',
+  collection.hasMany(Feed, {
+    foreignKey: 'entityId',
     constraints: false,
     scope: {
-      entityType: 'Collection'
+      entityType: 'collection'
     }
   })
-  Feed.belongsTo(Collection, { foreignKey: 'EntityId', constraints: false })
+  Feed.belongsTo(collection, { foreignKey: 'entityId', constraints: false })
 
-  Series.hasMany(Feed, {
-    foreignKey: 'EntityId',
+  series.hasMany(Feed, {
+    foreignKey: 'entityId',
     constraints: false,
     scope: {
-      entityType: 'Series'
+      entityType: 'series'
     }
   })
-  Feed.belongsTo(Series, { foreignKey: 'EntityId', constraints: false })
+  Feed.belongsTo(series, { foreignKey: 'entityId', constraints: false })
 
-  Playlist.hasMany(Feed, {
-    foreignKey: 'EntityId',
+  playlist.hasMany(Feed, {
+    foreignKey: 'entityId',
     constraints: false,
     scope: {
-      entityType: 'Playlist'
+      entityType: 'playlist'
     }
   })
-  Feed.belongsTo(Playlist, { foreignKey: 'EntityId', constraints: false })
+  Feed.belongsTo(playlist, { foreignKey: 'entityId', constraints: false })
 
   Feed.addHook('afterFind', findResult => {
+    if (!findResult) return
+
     if (!Array.isArray(findResult)) findResult = [findResult]
     for (const instance of findResult) {
-      if (instance.entityType === 'LibraryItem' && instance.LibraryItem !== undefined) {
-        instance.Entity = instance.LibraryItem
-      } else if (instance.mediaItemType === 'Collection' && instance.Collection !== undefined) {
-        instance.Entity = instance.Collection
-      } else if (instance.mediaItemType === 'Series' && instance.Series !== undefined) {
-        instance.Entity = instance.Series
-      } else if (instance.mediaItemType === 'Playlist' && instance.Playlist !== undefined) {
-        instance.Entity = instance.Playlist
+      if (instance.entityType === 'libraryItem' && instance.libraryItem !== undefined) {
+        instance.entity = instance.libraryItem
+        instance.dataValues.entity = instance.dataValues.libraryItem
+      } else if (instance.entityType === 'collection' && instance.collection !== undefined) {
+        instance.entity = instance.collection
+        instance.dataValues.entity = instance.dataValues.collection
+      } else if (instance.entityType === 'series' && instance.series !== undefined) {
+        instance.entity = instance.series
+        instance.dataValues.entity = instance.dataValues.series
+      } else if (instance.entityType === 'playlist' && instance.playlist !== undefined) {
+        instance.entity = instance.playlist
+        instance.dataValues.entity = instance.dataValues.playlist
       }
 
       // To prevent mistakes:
-      delete instance.LibraryItem
-      delete instance.dataValues.LibraryItem
-      delete instance.Collection
-      delete instance.dataValues.Collection
-      delete instance.Series
-      delete instance.dataValues.Series
-      delete instance.Playlist
-      delete instance.dataValues.Playlist
+      delete instance.libraryItem
+      delete instance.dataValues.libraryItem
+      delete instance.collection
+      delete instance.dataValues.collection
+      delete instance.series
+      delete instance.dataValues.series
+      delete instance.playlist
+      delete instance.dataValues.playlist
     }
   })
 
diff --git a/server/models/FeedEpisode.js b/server/models/FeedEpisode.js
index 3b00d774..01081b94 100644
--- a/server/models/FeedEpisode.js
+++ b/server/models/FeedEpisode.js
@@ -25,13 +25,13 @@ module.exports = (sequelize) => {
     explicit: DataTypes.BOOLEAN
   }, {
     sequelize,
-    modelName: 'FeedEpisode'
+    modelName: 'feedEpisode'
   })
 
-  const { Feed } = sequelize.models
+  const { feed } = sequelize.models
 
-  Feed.hasMany(FeedEpisode)
-  FeedEpisode.belongsTo(Feed)
+  feed.hasMany(FeedEpisode)
+  FeedEpisode.belongsTo(feed)
 
   return FeedEpisode
 }
\ No newline at end of file
diff --git a/server/models/FileMetadata.js b/server/models/FileMetadata.js
index ff290eb7..9d8bb7fe 100644
--- a/server/models/FileMetadata.js
+++ b/server/models/FileMetadata.js
@@ -21,10 +21,10 @@ module.exports = (sequelize) => {
     sequelize,
     freezeTableName: true, // sequelize uses datum as singular of data
     name: {
-      singular: 'FileMetadata',
-      plural: 'FileMetadata'
+      singular: 'fileMetadata',
+      plural: 'fileMetadata'
     },
-    modelName: 'FileMetadata'
+    modelName: 'fileMetadata'
   })
 
   return FileMetadata
diff --git a/server/models/Genre.js b/server/models/Genre.js
index 5c022879..cb248b7d 100644
--- a/server/models/Genre.js
+++ b/server/models/Genre.js
@@ -13,7 +13,7 @@ module.exports = (sequelize) => {
     cleanName: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'Genre'
+    modelName: 'genre'
   })
 
   return Genre
diff --git a/server/models/Library.js b/server/models/Library.js
index 32325fdc..6fdd3b83 100644
--- a/server/models/Library.js
+++ b/server/models/Library.js
@@ -18,7 +18,7 @@ module.exports = (sequelize) => {
     lastScanVersion: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'Library'
+    modelName: 'library'
   })
 
   return Library
diff --git a/server/models/LibraryFile.js b/server/models/LibraryFile.js
index 54c93a4f..9905e17a 100644
--- a/server/models/LibraryFile.js
+++ b/server/models/LibraryFile.js
@@ -11,15 +11,15 @@ module.exports = (sequelize) => {
     }
   }, {
     sequelize,
-    modelName: 'LibraryFile'
+    modelName: 'libraryFile'
   })
 
-  const { LibraryItem, FileMetadata } = sequelize.models
-  LibraryItem.hasMany(LibraryFile)
-  LibraryFile.belongsTo(LibraryItem)
+  const { libraryItem, fileMetadata } = sequelize.models
+  libraryItem.hasMany(LibraryFile)
+  LibraryFile.belongsTo(libraryItem)
 
-  FileMetadata.hasOne(LibraryFile, { foreignKey: 'FileMetadataId' })
-  LibraryFile.belongsTo(FileMetadata, { as: 'FileMetadata', foreignKey: 'FileMetadataId' })
+  fileMetadata.hasOne(LibraryFile, { foreignKey: 'fileMetadataId' })
+  LibraryFile.belongsTo(fileMetadata, { as: 'fileMetadata', foreignKey: 'fileMetadataId' })
 
   return LibraryFile
 }
\ No newline at end of file
diff --git a/server/models/LibraryFolder.js b/server/models/LibraryFolder.js
index 028dcdf3..537947f3 100644
--- a/server/models/LibraryFolder.js
+++ b/server/models/LibraryFolder.js
@@ -12,12 +12,12 @@ module.exports = (sequelize) => {
     path: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'LibraryFolder'
+    modelName: 'libraryFolder'
   })
 
-  const { Library } = sequelize.models
-  Library.hasMany(LibraryFolder)
-  LibraryFolder.belongsTo(Library)
+  const { library } = sequelize.models
+  library.hasMany(LibraryFolder)
+  LibraryFolder.belongsTo(library)
 
   return LibraryFolder
 }
\ No newline at end of file
diff --git a/server/models/LibraryItem.js b/server/models/LibraryItem.js
index 97b8b2d0..93203aca 100644
--- a/server/models/LibraryItem.js
+++ b/server/models/LibraryItem.js
@@ -1,7 +1,13 @@
 const { DataTypes, Model } = require('sequelize')
 
 module.exports = (sequelize) => {
-  class LibraryItem extends Model { }
+  class LibraryItem extends Model {
+    getMedia(options) {
+      if (!this.mediaType) return Promise.resolve(null)
+      const mixinMethodName = `get${sequelize.uppercaseFirst(this.mediaType)}`
+      return this[mixinMethodName](options)
+    }
+  }
 
   LibraryItem.init({
     id: {
@@ -12,6 +18,7 @@ module.exports = (sequelize) => {
     ino: DataTypes.STRING,
     path: DataTypes.STRING,
     relPath: DataTypes.STRING,
+    mediaId: DataTypes.UUIDV4,
     mediaType: DataTypes.STRING,
     isFile: DataTypes.BOOLEAN,
     isMissing: DataTypes.BOOLEAN,
@@ -23,12 +30,50 @@ module.exports = (sequelize) => {
     lastScanVersion: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'LibraryItem'
+    modelName: 'libraryItem'
   })
 
-  const { LibraryFolder } = sequelize.models
-  LibraryFolder.hasMany(LibraryItem)
-  LibraryItem.belongsTo(LibraryFolder)
+  const { libraryFolder, book, podcast } = sequelize.models
+  libraryFolder.hasMany(LibraryItem)
+  LibraryItem.belongsTo(libraryFolder)
+
+  book.hasOne(LibraryItem, {
+    foreignKey: 'mediaId',
+    constraints: false,
+    scope: {
+      mediaType: 'book'
+    }
+  })
+  LibraryItem.belongsTo(book, { foreignKey: 'mediaId', constraints: false })
+
+  podcast.hasOne(LibraryItem, {
+    foreignKey: 'mediaId',
+    constraints: false,
+    scope: {
+      mediaType: 'podcast'
+    }
+  })
+  LibraryItem.belongsTo(podcast, { foreignKey: 'mediaId', constraints: false })
+
+  LibraryItem.addHook('afterFind', findResult => {
+    if (!findResult) return
+
+    if (!Array.isArray(findResult)) findResult = [findResult]
+    for (const instance of findResult) {
+      if (instance.mediaType === 'book' && instance.book !== undefined) {
+        instance.media = instance.book
+        instance.dataValues.media = instance.dataValues.book
+      } else if (instance.mediaType === 'podcast' && instance.podcast !== undefined) {
+        instance.media = instance.podcast
+        instance.dataValues.media = instance.dataValues.podcast
+      }
+      // To prevent mistakes:
+      delete instance.book
+      delete instance.dataValues.book
+      delete instance.podcast
+      delete instance.dataValues.podcast
+    }
+  })
 
   return LibraryItem
 }
\ No newline at end of file
diff --git a/server/models/LibrarySetting.js b/server/models/LibrarySetting.js
index 3b5243fd..c45fc674 100644
--- a/server/models/LibrarySetting.js
+++ b/server/models/LibrarySetting.js
@@ -13,13 +13,13 @@ module.exports = (sequelize) => {
     value: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'LibrarySetting'
+    modelName: 'librarySetting'
   })
 
-  const { Library } = sequelize.models
+  const { library } = sequelize.models
 
-  Library.hasMany(LibrarySetting)
-  LibrarySetting.belongsTo(Library)
+  library.hasMany(LibrarySetting)
+  LibrarySetting.belongsTo(library)
 
   return LibrarySetting
 }
\ No newline at end of file
diff --git a/server/models/MediaFile.js b/server/models/MediaFile.js
index da0f1f60..f7fd0c1b 100644
--- a/server/models/MediaFile.js
+++ b/server/models/MediaFile.js
@@ -17,13 +17,13 @@ module.exports = (sequelize) => {
     tags: DataTypes.JSON
   }, {
     sequelize,
-    modelName: 'MediaFile'
+    modelName: 'mediaFile'
   })
 
-  const { FileMetadata } = sequelize.models
+  const { fileMetadata } = sequelize.models
 
-  FileMetadata.hasOne(MediaFile, { foreignKey: 'FileMetadataId' })
-  MediaFile.belongsTo(FileMetadata, { as: 'FileMetadata', foreignKey: 'FileMetadataId' })
+  fileMetadata.hasOne(MediaFile, { foreignKey: 'fileMetadataId' })
+  MediaFile.belongsTo(fileMetadata, { as: 'fileMetadata', foreignKey: 'fileMetadataId' })
 
   return MediaFile
 }
\ No newline at end of file
diff --git a/server/models/MediaProgress.js b/server/models/MediaProgress.js
index c45a136d..20256b01 100644
--- a/server/models/MediaProgress.js
+++ b/server/models/MediaProgress.js
@@ -8,7 +8,7 @@ module.exports = (sequelize) => {
   class MediaProgress extends Model {
     getMediaItem(options) {
       if (!this.mediaItemType) return Promise.resolve(null)
-      const mixinMethodName = `get${this.mediaItemType}`
+      const mixinMethodName = `get${sequelize.uppercaseFirst(this.mediaItemType)}`
       return this[mixinMethodName](options)
     }
   }
@@ -19,7 +19,7 @@ module.exports = (sequelize) => {
       defaultValue: DataTypes.UUIDV4,
       primaryKey: true
     },
-    MediaItemId: DataTypes.UUIDV4,
+    mediaItemId: DataTypes.UUIDV4,
     mediaItemType: DataTypes.STRING,
     duration: DataTypes.FLOAT,
     currentTime: DataTypes.FLOAT,
@@ -28,46 +28,52 @@ module.exports = (sequelize) => {
     finishedAt: DataTypes.DATE
   }, {
     sequelize,
-    modelName: 'MediaProgress'
+    modelName: 'mediaProgress'
   })
 
-  const { Book, PodcastEpisode, User } = sequelize.models
-  Book.hasMany(MediaProgress, {
-    foreignKey: 'MediaItemId',
-    constraints: false,
-    scope: {
-      mediaItemType: 'Book'
-    }
-  })
-  MediaProgress.belongsTo(Book, { foreignKey: 'MediaItemId', constraints: false })
+  const { book, podcastEpisode, user } = sequelize.models
 
-  PodcastEpisode.hasMany(MediaProgress, {
-    foreignKey: 'MediaItemId',
+  book.hasMany(MediaProgress, {
+    foreignKey: 'mediaItemId',
     constraints: false,
     scope: {
-      mediaItemType: 'PodcastEpisode'
+      mediaItemType: 'book'
     }
   })
-  MediaProgress.belongsTo(PodcastEpisode, { foreignKey: 'MediaItemId', constraints: false })
+  MediaProgress.belongsTo(book, { foreignKey: 'mediaItemId', constraints: false })
+
+  podcastEpisode.hasMany(MediaProgress, {
+    foreignKey: 'mediaItemId',
+    constraints: false,
+    scope: {
+      mediaItemType: 'podcastEpisode'
+    }
+  })
+  MediaProgress.belongsTo(podcastEpisode, { foreignKey: 'mediaItemId', constraints: false })
 
   MediaProgress.addHook('afterFind', findResult => {
+    if (!findResult) return
+
     if (!Array.isArray(findResult)) findResult = [findResult]
+
     for (const instance of findResult) {
-      if (instance.mediaItemType === 'Book' && instance.Book !== undefined) {
-        instance.MediaItem = instance.Book
-      } else if (instance.mediaItemType === 'PodcastEpisode' && instance.PodcastEpisode !== undefined) {
-        instance.MediaItem = instance.PodcastEpisode
+      if (instance.mediaItemType === 'book' && instance.book !== undefined) {
+        instance.mediaItem = instance.book
+        instance.dataValues.mediaItem = instance.dataValues.book
+      } else if (instance.mediaItemType === 'podcastEpisode' && instance.podcastEpisode !== undefined) {
+        instance.mediaItem = instance.podcastEpisode
+        instance.dataValues.mediaItem = instance.dataValues.podcastEpisode
       }
       // To prevent mistakes:
-      delete instance.Book
-      delete instance.dataValues.Book
-      delete instance.PodcastEpisode
-      delete instance.dataValues.PodcastEpisode
+      delete instance.book
+      delete instance.dataValues.book
+      delete instance.podcastEpisode
+      delete instance.dataValues.podcastEpisode
     }
   })
 
-  User.hasMany(MediaProgress)
-  MediaProgress.belongsTo(User)
+  user.hasMany(MediaProgress)
+  MediaProgress.belongsTo(user)
 
   return MediaProgress
 }
\ No newline at end of file
diff --git a/server/models/MediaStream.js b/server/models/MediaStream.js
index 2debf2c0..5faf96e8 100644
--- a/server/models/MediaStream.js
+++ b/server/models/MediaStream.js
@@ -37,13 +37,13 @@ module.exports = (sequelize) => {
     chapters: DataTypes.JSON
   }, {
     sequelize,
-    modelName: 'MediaStream'
+    modelName: 'mediaStream'
   })
 
-  const { MediaFile } = sequelize.models
+  const { mediaFile } = sequelize.models
 
-  MediaFile.hasMany(MediaStream)
-  MediaStream.belongsTo(MediaFile)
+  mediaFile.hasMany(MediaStream)
+  MediaStream.belongsTo(mediaFile)
 
   return MediaStream
 }
\ No newline at end of file
diff --git a/server/models/Notification.js b/server/models/Notification.js
index 485d169c..da0c19f9 100644
--- a/server/models/Notification.js
+++ b/server/models/Notification.js
@@ -22,7 +22,7 @@ module.exports = (sequelize) => {
     extraData: DataTypes.JSON
   }, {
     sequelize,
-    modelName: 'Notification'
+    modelName: 'notification'
   })
 
   return Notification
diff --git a/server/models/Person.js b/server/models/Person.js
index e38b1cde..b1677085 100644
--- a/server/models/Person.js
+++ b/server/models/Person.js
@@ -15,12 +15,12 @@ module.exports = (sequelize) => {
     description: DataTypes.TEXT
   }, {
     sequelize,
-    modelName: 'Person'
+    modelName: 'person'
   })
 
-  const { FileMetadata } = sequelize.models
-  FileMetadata.hasMany(Person, { foreignKey: 'ImageFileId' })
-  Person.belongsTo(FileMetadata, { as: 'ImageFile', foreignKey: 'ImageFileId' }) // Ref: https://sequelize.org/docs/v6/core-concepts/assocs/#defining-an-alias
+  const { fileMetadata } = sequelize.models
+  fileMetadata.hasMany(Person, { foreignKey: 'imageFileId' })
+  Person.belongsTo(fileMetadata, { as: 'imageFile', foreignKey: 'imageFileId' }) // Ref: https://sequelize.org/docs/v6/core-concepts/assocs/#defining-an-alias
 
   return Person
 }
\ No newline at end of file
diff --git a/server/models/PlaybackSession.js b/server/models/PlaybackSession.js
index b471d913..3135143a 100644
--- a/server/models/PlaybackSession.js
+++ b/server/models/PlaybackSession.js
@@ -4,7 +4,7 @@ module.exports = (sequelize) => {
   class PlaybackSession extends Model {
     getMediaItem(options) {
       if (!this.mediaItemType) return Promise.resolve(null)
-      const mixinMethodName = `get${this.mediaItemType}`
+      const mixinMethodName = `get${sequelize.uppercaseFirst(this.mediaItemType)}`
       return this[mixinMethodName](options)
     }
   }
@@ -15,7 +15,7 @@ module.exports = (sequelize) => {
       defaultValue: DataTypes.UUIDV4,
       primaryKey: true
     },
-    MediaItemId: DataTypes.UUIDV4,
+    mediaItemId: DataTypes.UUIDV4,
     mediaItemType: DataTypes.STRING,
     displayTitle: DataTypes.STRING,
     displayAuthor: DataTypes.STRING,
@@ -27,48 +27,53 @@ module.exports = (sequelize) => {
     serverVersion: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'PlaybackSession'
+    modelName: 'playbackSession'
   })
 
-  const { Book, PodcastEpisode, User, Device } = sequelize.models
+  const { book, podcastEpisode, user, device } = sequelize.models
 
-  User.hasMany(PlaybackSession)
-  PlaybackSession.belongsTo(User)
+  user.hasMany(PlaybackSession)
+  PlaybackSession.belongsTo(user)
 
-  Device.hasMany(PlaybackSession)
-  PlaybackSession.belongsTo(Device)
+  device.hasMany(PlaybackSession)
+  PlaybackSession.belongsTo(device)
 
-  Book.hasMany(PlaybackSession, {
-    foreignKey: 'MediaItemId',
+  book.hasMany(PlaybackSession, {
+    foreignKey: 'mediaItemId',
     constraints: false,
     scope: {
-      mediaItemType: 'Book'
+      mediaItemType: 'book'
     }
   })
-  PlaybackSession.belongsTo(Book, { foreignKey: 'MediaItemId', constraints: false })
+  PlaybackSession.belongsTo(book, { foreignKey: 'mediaItemId', constraints: false })
 
-  PodcastEpisode.hasOne(PlaybackSession, {
-    foreignKey: 'MediaItemId',
+  podcastEpisode.hasOne(PlaybackSession, {
+    foreignKey: 'mediaItemId',
     constraints: false,
     scope: {
-      mediaItemType: 'PodcastEpisode'
+      mediaItemType: 'podcastEpisode'
     }
   })
-  PlaybackSession.belongsTo(PodcastEpisode, { foreignKey: 'MediaItemId', constraints: false })
+  PlaybackSession.belongsTo(podcastEpisode, { foreignKey: 'mediaItemId', constraints: false })
 
   PlaybackSession.addHook('afterFind', findResult => {
+    if (!findResult) return
+
     if (!Array.isArray(findResult)) findResult = [findResult]
+
     for (const instance of findResult) {
-      if (instance.mediaItemType === 'Book' && instance.Book !== undefined) {
-        instance.MediaItem = instance.Book
-      } else if (instance.mediaItemType === 'PodcastEpisode' && instance.PodcastEpisode !== undefined) {
-        instance.MediaItem = instance.PodcastEpisode
+      if (instance.mediaItemType === 'book' && instance.book !== undefined) {
+        instance.mediaItem = instance.book
+        instance.dataValues.mediaItem = instance.dataValues.book
+      } else if (instance.mediaItemType === 'podcastEpisode' && instance.podcastEpisode !== undefined) {
+        instance.mediaItem = instance.podcastEpisode
+        instance.dataValues.mediaItem = instance.dataValues.podcastEpisode
       }
       // To prevent mistakes:
-      delete instance.Book
-      delete instance.dataValues.Book
-      delete instance.PodcastEpisode
-      delete instance.dataValues.PodcastEpisode
+      delete instance.book
+      delete instance.dataValues.book
+      delete instance.podcastEpisode
+      delete instance.dataValues.podcastEpisode
     }
   })
 
diff --git a/server/models/PlaybackSessionListenTime.js b/server/models/PlaybackSessionListenTime.js
index a3f581ad..12930903 100644
--- a/server/models/PlaybackSessionListenTime.js
+++ b/server/models/PlaybackSessionListenTime.js
@@ -13,13 +13,13 @@ module.exports = (sequelize) => {
     date: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'PlaybackSessionListenTime'
+    modelName: 'playbackSessionListenTime'
   })
 
-  const { PlaybackSession } = sequelize.models
+  const { playbackSession } = sequelize.models
 
-  PlaybackSession.hasMany(PlaybackSessionListenTime)
-  PlaybackSessionListenTime.belongsTo(PlaybackSession)
+  playbackSession.hasMany(PlaybackSessionListenTime)
+  PlaybackSessionListenTime.belongsTo(playbackSession)
 
   return PlaybackSessionListenTime
 }
\ No newline at end of file
diff --git a/server/models/Playlist.js b/server/models/Playlist.js
index 6fa0b4a9..43b99c56 100644
--- a/server/models/Playlist.js
+++ b/server/models/Playlist.js
@@ -13,15 +13,15 @@ module.exports = (sequelize) => {
     description: DataTypes.TEXT
   }, {
     sequelize,
-    modelName: 'Playlist'
+    modelName: 'playlist'
   })
 
-  const { Library, User } = sequelize.models
-  Library.hasMany(Playlist)
-  Playlist.belongsTo(Library)
+  const { library, user } = sequelize.models
+  library.hasMany(Playlist)
+  Playlist.belongsTo(library)
 
-  User.hasMany(Playlist)
-  Playlist.belongsTo(User)
+  user.hasMany(Playlist)
+  Playlist.belongsTo(user)
 
   return Playlist
 }
\ No newline at end of file
diff --git a/server/models/PlaylistMediaItem.js b/server/models/PlaylistMediaItem.js
index 0e6c14c8..dab3be97 100644
--- a/server/models/PlaylistMediaItem.js
+++ b/server/models/PlaylistMediaItem.js
@@ -4,7 +4,7 @@ module.exports = (sequelize) => {
   class PlaylistMediaItem extends Model {
     getMediaItem(options) {
       if (!this.mediaItemType) return Promise.resolve(null)
-      const mixinMethodName = `get${this.mediaItemType}`
+      const mixinMethodName = `get${sequelize.uppercaseFirst(this.mediaItemType)}`
       return this[mixinMethodName](options)
     }
   }
@@ -15,53 +15,58 @@ module.exports = (sequelize) => {
       defaultValue: DataTypes.UUIDV4,
       primaryKey: true
     },
-    MediaItemId: DataTypes.UUIDV4,
+    mediaItemId: DataTypes.UUIDV4,
     mediaItemType: DataTypes.STRING
   }, {
     sequelize,
     timestamps: true,
     updatedAt: false,
-    modelName: 'PlaylistMediaItem'
+    modelName: 'playlistMediaItem'
   })
 
-  const { Book, PodcastEpisode, Playlist } = sequelize.models
+  const { book, podcastEpisode, playlist } = sequelize.models
 
-  Book.hasMany(PlaylistMediaItem, {
-    foreignKey: 'MediaItemId',
+  book.hasMany(PlaylistMediaItem, {
+    foreignKey: 'mediaItemId',
     constraints: false,
     scope: {
-      mediaItemType: 'Book'
+      mediaItemType: 'book'
     }
   })
-  PlaylistMediaItem.belongsTo(Book, { foreignKey: 'MediaItemId', constraints: false })
+  PlaylistMediaItem.belongsTo(book, { foreignKey: 'mediaItemId', constraints: false })
 
-  PodcastEpisode.hasOne(PlaylistMediaItem, {
-    foreignKey: 'MediaItemId',
+  podcastEpisode.hasOne(PlaylistMediaItem, {
+    foreignKey: 'mediaItemId',
     constraints: false,
     scope: {
-      mediaItemType: 'PodcastEpisode'
+      mediaItemType: 'podcastEpisode'
     }
   })
-  PlaylistMediaItem.belongsTo(PodcastEpisode, { foreignKey: 'MediaItemId', constraints: false })
+  PlaylistMediaItem.belongsTo(podcastEpisode, { foreignKey: 'mediaItemId', constraints: false })
 
   PlaylistMediaItem.addHook('afterFind', findResult => {
+    if (!findResult) return
+
     if (!Array.isArray(findResult)) findResult = [findResult]
+
     for (const instance of findResult) {
-      if (instance.mediaItemType === 'Book' && instance.Book !== undefined) {
-        instance.MediaItem = instance.Book
-      } else if (instance.mediaItemType === 'PodcastEpisode' && instance.PodcastEpisode !== undefined) {
-        instance.MediaItem = instance.PodcastEpisode
+      if (instance.mediaItemType === 'book' && instance.book !== undefined) {
+        instance.mediaItem = instance.book
+        instance.dataValues.mediaItem = instance.dataValues.book
+      } else if (instance.mediaItemType === 'podcastEpisode' && instance.podcastEpisode !== undefined) {
+        instance.mediaItem = instance.podcastEpisode
+        instance.dataValues.mediaItem = instance.dataValues.podcastEpisode
       }
       // To prevent mistakes:
-      delete instance.Book
-      delete instance.dataValues.Book
-      delete instance.PodcastEpisode
-      delete instance.dataValues.PodcastEpisode
+      delete instance.book
+      delete instance.dataValues.book
+      delete instance.podcastEpisode
+      delete instance.dataValues.podcastEpisode
     }
   })
 
-  Playlist.hasMany(PlaylistMediaItem)
-  PlaylistMediaItem.belongsTo(Playlist)
+  playlist.hasMany(PlaylistMediaItem)
+  PlaylistMediaItem.belongsTo(playlist)
 
   return PlaylistMediaItem
 }
\ No newline at end of file
diff --git a/server/models/Podcast.js b/server/models/Podcast.js
index cfb3f2dd..0a1f378a 100644
--- a/server/models/Podcast.js
+++ b/server/models/Podcast.js
@@ -9,7 +9,6 @@ module.exports = (sequelize) => {
       defaultValue: DataTypes.UUIDV4,
       primaryKey: true
     },
-    // Metadata
     title: DataTypes.STRING,
     author: DataTypes.STRING,
     releaseDate: DataTypes.STRING,
@@ -32,15 +31,13 @@ module.exports = (sequelize) => {
     lastCoverSearch: DataTypes.DATE
   }, {
     sequelize,
-    modelName: 'Podcast'
+    modelName: 'podcast'
   })
 
-  const { LibraryItem, FileMetadata } = sequelize.models
-  LibraryItem.hasOne(Podcast)
-  Podcast.belongsTo(LibraryItem)
+  const { fileMetadata } = sequelize.models
 
-  FileMetadata.hasOne(Podcast, { foreignKey: 'ImageFileId' })
-  Podcast.belongsTo(FileMetadata, { as: 'ImageFile', foreignKey: 'ImageFileId' }) // Ref: https://sequelize.org/docs/v6/core-concepts/assocs/#defining-an-alias
+  fileMetadata.hasOne(Podcast, { foreignKey: 'imageFileId' })
+  Podcast.belongsTo(fileMetadata, { as: 'imageFile', foreignKey: 'imageFileId' }) // Ref: https://sequelize.org/docs/v6/core-concepts/assocs/#defining-an-alias
 
   return Podcast
 }
\ No newline at end of file
diff --git a/server/models/PodcastEpisode.js b/server/models/PodcastEpisode.js
index 355fca7e..c3bf8e4b 100644
--- a/server/models/PodcastEpisode.js
+++ b/server/models/PodcastEpisode.js
@@ -23,12 +23,12 @@ module.exports = (sequelize) => {
     publishedAt: DataTypes.DATE
   }, {
     sequelize,
-    modelName: 'PodcastEpisode'
+    modelName: 'podcastEpisode'
   })
 
-  const { Podcast } = sequelize.models
-  Podcast.hasMany(PodcastEpisode)
-  PodcastEpisode.belongsTo(Podcast)
+  const { podcast } = sequelize.models
+  podcast.hasMany(PodcastEpisode)
+  PodcastEpisode.belongsTo(podcast)
 
   return PodcastEpisode
 }
\ No newline at end of file
diff --git a/server/models/PodcastGenre.js b/server/models/PodcastGenre.js
index dec9fc6d..c883572b 100644
--- a/server/models/PodcastGenre.js
+++ b/server/models/PodcastGenre.js
@@ -11,21 +11,21 @@ module.exports = (sequelize) => {
     }
   }, {
     sequelize,
-    modelName: 'PodcastGenre',
+    modelName: 'podcastGenre',
     timestamps: false
   })
 
   // Super Many-to-Many
   // ref: https://sequelize.org/docs/v6/advanced-association-concepts/advanced-many-to-many/#the-best-of-both-worlds-the-super-many-to-many-relationship
-  const { Podcast, Genre } = sequelize.models
-  Podcast.belongsToMany(Genre, { through: PodcastGenre })
-  Genre.belongsToMany(Podcast, { through: PodcastGenre })
+  const { podcast, genre } = sequelize.models
+  podcast.belongsToMany(genre, { through: PodcastGenre })
+  genre.belongsToMany(podcast, { through: PodcastGenre })
 
-  Podcast.hasMany(PodcastGenre)
-  PodcastGenre.belongsTo(Podcast)
+  podcast.hasMany(PodcastGenre)
+  PodcastGenre.belongsTo(podcast)
 
-  Genre.hasMany(PodcastGenre)
-  PodcastGenre.belongsTo(Genre)
+  genre.hasMany(PodcastGenre)
+  PodcastGenre.belongsTo(genre)
 
   return PodcastGenre
 }
\ No newline at end of file
diff --git a/server/models/PodcastTag.js b/server/models/PodcastTag.js
index 4a6c54a0..64434376 100644
--- a/server/models/PodcastTag.js
+++ b/server/models/PodcastTag.js
@@ -11,21 +11,21 @@ module.exports = (sequelize) => {
     }
   }, {
     sequelize,
-    modelName: 'PodcastTag',
+    modelName: 'podcastTag',
     timestamps: false
   })
 
   // Super Many-to-Many
   // ref: https://sequelize.org/docs/v6/advanced-association-concepts/advanced-many-to-many/#the-best-of-both-worlds-the-super-many-to-many-relationship
-  const { Podcast, Tag } = sequelize.models
-  Podcast.belongsToMany(Tag, { through: PodcastTag })
-  Tag.belongsToMany(Podcast, { through: PodcastTag })
+  const { podcast, tag } = sequelize.models
+  podcast.belongsToMany(tag, { through: PodcastTag })
+  tag.belongsToMany(podcast, { through: PodcastTag })
 
-  Podcast.hasMany(PodcastTag)
-  PodcastTag.belongsTo(Podcast)
+  podcast.hasMany(PodcastTag)
+  PodcastTag.belongsTo(podcast)
 
-  Tag.hasMany(PodcastTag)
-  PodcastTag.belongsTo(Tag)
+  tag.hasMany(PodcastTag)
+  PodcastTag.belongsTo(tag)
 
   return PodcastTag
 }
\ No newline at end of file
diff --git a/server/models/Series.js b/server/models/Series.js
index 814b3691..89a3b3dd 100644
--- a/server/models/Series.js
+++ b/server/models/Series.js
@@ -13,7 +13,7 @@ module.exports = (sequelize) => {
     description: DataTypes.TEXT
   }, {
     sequelize,
-    modelName: 'Series'
+    modelName: 'series'
   })
 
   return Series
diff --git a/server/models/Setting.js b/server/models/Setting.js
index 53767f58..bb3ecef3 100644
--- a/server/models/Setting.js
+++ b/server/models/Setting.js
@@ -12,7 +12,7 @@ module.exports = (sequelize) => {
     type: DataTypes.INTEGER
   }, {
     sequelize,
-    modelName: 'Setting'
+    modelName: 'setting'
   })
 
   return Setting
diff --git a/server/models/Tag.js b/server/models/Tag.js
index 12ae4a54..e58912be 100644
--- a/server/models/Tag.js
+++ b/server/models/Tag.js
@@ -13,7 +13,7 @@ module.exports = (sequelize) => {
     cleanName: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'Tag'
+    modelName: 'tag'
   })
 
   return Tag
diff --git a/server/models/User.js b/server/models/User.js
index e81cb353..398d45d7 100644
--- a/server/models/User.js
+++ b/server/models/User.js
@@ -26,7 +26,7 @@ module.exports = (sequelize) => {
     extraData: DataTypes.JSON
   }, {
     sequelize,
-    modelName: 'User'
+    modelName: 'user'
   })
 
   return User
diff --git a/server/models/UserPermission.js b/server/models/UserPermission.js
index b600907d..e9ceabd8 100644
--- a/server/models/UserPermission.js
+++ b/server/models/UserPermission.js
@@ -13,13 +13,13 @@ module.exports = (sequelize) => {
     value: DataTypes.STRING
   }, {
     sequelize,
-    modelName: 'UserPermission'
+    modelName: 'userPermission'
   })
 
-  const { User } = sequelize.models
+  const { user } = sequelize.models
 
-  User.hasMany(UserPermission)
-  UserPermission.belongsTo(User)
+  user.hasMany(UserPermission)
+  UserPermission.belongsTo(user)
 
   return UserPermission
 }
\ No newline at end of file
diff --git a/server/routers/ApiRouter2.js b/server/routers/ApiRouter2.js
new file mode 100644
index 00000000..b740c31e
--- /dev/null
+++ b/server/routers/ApiRouter2.js
@@ -0,0 +1,15 @@
+const express = require('express')
+const LibraryItemController = require('../controllers2/LibraryItemController')
+
+class ApiRouter2 {
+  constructor(Server) {
+    this.router = express()
+    this.router.disable('x-powered-by')
+    this.init()
+  }
+
+  init() {
+    this.router.get('/items/:id', LibraryItemController.get.bind(this))
+  }
+}
+module.exports = ApiRouter2
diff --git a/server/utils/migrations/dbMigration.js b/server/utils/migrations/dbMigration.js
index ca951ee2..bf4324a4 100644
--- a/server/utils/migrations/dbMigration.js
+++ b/server/utils/migrations/dbMigration.js
@@ -1,6 +1,5 @@
 const Path = require('path')
 const uuidv4 = require("uuid").v4
-const package = require('../../../package.json')
 const { AudioMimeType } = require('../constants')
 const Logger = require('../../Logger')
 const Database = require('../../Database')
@@ -20,49 +19,50 @@ const oldDbIdMap = {
   files: {}, // key is fullpath
   podcastEpisodes: {},
   books: {}, // key is library item id
+  podcasts: {}, // key is library item id
   devices: {} // key is a json stringify of the old DeviceInfo data
 }
 const newRecords = {
-  User: [],
-  UserPermission: [],
-  Library: [],
-  LibraryFolder: [],
-  LibrarySetting: [],
-  FileMetadata: [],
-  Person: [],
-  LibraryItem: [],
-  LibraryFile: [],
-  EBookFile: [],
-  Book: [],
-  BookAuthor: [],
-  BookNarrator: [],
-  BookChapter: [],
-  Tag: [],
-  BookTag: [],
-  Genre: [],
-  BookGenre: [],
-  Series: [],
-  BookSeries: [],
-  Podcast: [],
-  PodcastTag: [],
-  PodcastGenre: [],
-  PodcastEpisode: [],
-  MediaProgress: [],
-  AudioBookmark: [],
-  MediaFile: [],
-  MediaStream: [],
-  AudioTrack: [],
-  Device: [],
-  PlaybackSession: [],
-  PlaybackSessionListenTime: [],
-  Collection: [],
-  CollectionBook: [],
-  Playlist: [],
-  PlaylistMediaItem: [],
-  Feed: [],
-  FeedEpisode: [],
-  Setting: [],
-  Notification: []
+  user: [],
+  userPermission: [],
+  library: [],
+  libraryFolder: [],
+  librarySetting: [],
+  fileMetadata: [],
+  person: [],
+  eBookFile: [],
+  book: [],
+  podcast: [],
+  libraryItem: [],
+  libraryFile: [],
+  bookAuthor: [],
+  bookNarrator: [],
+  bookChapter: [],
+  tag: [],
+  bookTag: [],
+  genre: [],
+  bookGenre: [],
+  series: [],
+  bookSeries: [],
+  podcastTag: [],
+  podcastGenre: [],
+  podcastEpisode: [],
+  mediaProgress: [],
+  audioBookmark: [],
+  mediaFile: [],
+  mediaStream: [],
+  audioTrack: [],
+  device: [],
+  playbackSession: [],
+  playbackSessionListenTime: [],
+  collection: [],
+  collectionBook: [],
+  playlist: [],
+  playlistMediaItem: [],
+  feed: [],
+  feedEpisode: [],
+  setting: [],
+  notification: []
 }
 
 function getDeviceInfoString(deviceInfo, UserId) {
@@ -102,10 +102,10 @@ function migrateBook(oldLibraryItem, LibraryItem) {
   //
   // Migrate ImageFile
   //
-  let ImageFileId = null
+  let imageFileId = null
   if (oldBook.coverPath) {
-    ImageFileId = oldDbIdMap.files[oldBook.coverPath] || null
-    if (!ImageFileId) {
+    imageFileId = oldDbIdMap.files[oldBook.coverPath] || null
+    if (!imageFileId) {
       const FileMetadata = {
         id: uuidv4(),
         filename: Path.basename(oldBook.coverPath),
@@ -114,26 +114,28 @@ function migrateBook(oldLibraryItem, LibraryItem) {
         createdAt: LibraryItem.createdAt,
         updatedAt: LibraryItem.updatedAt
       }
-      newRecords.FileMetadata.push(FileMetadata)
+      newRecords.fileMetadata.push(FileMetadata)
       oldDbIdMap.files[oldBook.coverPath] = FileMetadata.id
-      ImageFileId = FileMetadata.id
+      imageFileId = FileMetadata.id
     }
   }
 
   //
   // Migrate EBookFile
   //
-  let EBookFileId = null
+  let eBookFileId = null
   if (oldBook.ebookFile) {
     if (oldDbIdMap.files[oldBook.ebookFile.metadata?.path]) {
+      const ext = oldBook.ebookFile.metadata.ext || ''
       const EBookFile = {
         id: uuidv4(),
-        FileMetadataId: oldDbIdMap.files[oldBook.ebookFile.metadata?.path]
+        format: ext.toLowerCase().slice(1),
+        fileMetadataId: oldDbIdMap.files[oldBook.ebookFile.metadata.path]
       }
-      newRecords.EBookFile.push(EBookFile)
-      EBookFileId = EBookFile.id
+      newRecords.eBookFile.push(EBookFile)
+      eBookFileId = EBookFile.id
     } else {
-      Logger.warn(`[dbMigration] migrateBook: `)
+      Logger.warn(`[dbMigration] migrateBook: Unable to find ebook file`)
     }
   }
 
@@ -156,11 +158,10 @@ function migrateBook(oldLibraryItem, LibraryItem) {
     lastCoverSearch: oldBook.lastCoverSearch,
     createdAt: LibraryItem.createdAt,
     updatedAt: LibraryItem.updatedAt,
-    ImageFileId,
-    EBookFileId,
-    LibraryItemId: LibraryItem.id,
+    imageFileId,
+    eBookFileId
   }
-  newRecords.Book.push(Book)
+  newRecords.book.push(Book)
   oldDbIdMap.books[oldLibraryItem.id] = Book.id
 
   //
@@ -169,8 +170,8 @@ function migrateBook(oldLibraryItem, LibraryItem) {
   const oldAudioFiles = oldBook.audioFiles
   let startOffset = 0
   for (const oldAudioFile of oldAudioFiles) {
-    const FileMetadataId = oldDbIdMap.files[oldAudioFile.metadata.path]
-    if (!FileMetadataId) {
+    const fileMetadataId = oldDbIdMap.files[oldAudioFile.metadata.path]
+    if (!fileMetadataId) {
       Logger.warn(`[dbMigration] migrateBook: File metadata not found for audio file "${oldAudioFile.metadata.path}"`)
       continue
     }
@@ -187,9 +188,9 @@ function migrateBook(oldLibraryItem, LibraryItem) {
       tags: cleanAudioFileMetaTags(oldAudioFile.metaTags),
       createdAt: LibraryItem.createdAt,
       updatedAt: LibraryItem.updatedAt,
-      FileMetadataId
+      fileMetadataId
     }
-    newRecords.MediaFile.push(MediaFile)
+    newRecords.mediaFile.push(MediaFile)
 
     const MediaStream = {
       id: uuidv4(),
@@ -207,9 +208,9 @@ function migrateBook(oldLibraryItem, LibraryItem) {
       chapters: oldAudioFile.chapters,
       createdAt: LibraryItem.createdAt,
       updatedAt: LibraryItem.updatedAt,
-      MediaFileId: MediaFile.id
+      mediaFileId: MediaFile.id
     }
-    newRecords.MediaStream.push(MediaStream)
+    newRecords.mediaStream.push(MediaStream)
 
     if (oldAudioFile.embeddedCoverArt) {
       const CoverMediaStream = {
@@ -220,17 +221,17 @@ function migrateBook(oldLibraryItem, LibraryItem) {
         default: true,
         createdAt: LibraryItem.createdAt,
         updatedAt: LibraryItem.updatedAt,
-        MediaFileId: MediaFile.id
+        mediaFileId: MediaFile.id
       }
-      newRecords.MediaStream.push(CoverMediaStream)
+      newRecords.mediaStream.push(CoverMediaStream)
     }
 
     const include = !oldAudioFile.exclude && !oldAudioFile.invalid
 
     const AudioTrack = {
       id: uuidv4(),
-      MediaItemId: Book.id,
-      mediaItemType: 'Book',
+      mediaItemId: Book.id,
+      mediaItemType: 'book',
       index: oldAudioFile.index,
       startOffset: include ? startOffset : null,
       duration: oldAudioFile.duration,
@@ -241,9 +242,9 @@ function migrateBook(oldLibraryItem, LibraryItem) {
       discNumber: oldAudioFile.discNumFromMeta || oldAudioFile.discNumFromFilename,
       createdAt: LibraryItem.createdAt,
       updatedAt: LibraryItem.updatedAt,
-      MediaFileId: MediaFile.id
+      mediaFileId: MediaFile.id
     }
-    newRecords.AudioTrack.push(AudioTrack)
+    newRecords.audioTrack.push(AudioTrack)
 
     if (include) {
       startOffset += AudioTrack.duration
@@ -267,13 +268,13 @@ function migrateBook(oldLibraryItem, LibraryItem) {
         updatedAt: LibraryItem.updatedAt
       }
       tagId = Tag.id
-      newRecords.Tag.push(Tag)
+      newRecords.tag.push(Tag)
     }
 
-    newRecords.BookTag.push({
+    newRecords.bookTag.push({
       id: uuidv4(),
-      BookId: Book.id,
-      TagId: tagId
+      bookId: Book.id,
+      tagId
     })
   }
 
@@ -281,7 +282,7 @@ function migrateBook(oldLibraryItem, LibraryItem) {
   // Migrate BookChapters
   //
   for (const oldChapter of oldBook.chapters) {
-    newRecords.BookChapter.push({
+    newRecords.bookChapter.push({
       id: uuidv4(),
       index: oldChapter.id,
       start: oldChapter.start,
@@ -289,7 +290,7 @@ function migrateBook(oldLibraryItem, LibraryItem) {
       title: oldChapter.title,
       createdAt: LibraryItem.createdAt,
       updatedAt: LibraryItem.updatedAt,
-      BookId: Book.id
+      bookId: Book.id
     })
   }
 
@@ -311,13 +312,13 @@ function migrateBook(oldLibraryItem, LibraryItem) {
         updatedAt: LibraryItem.updatedAt
       }
       genreId = Genre.id
-      newRecords.Genre.push(Genre)
+      newRecords.genre.push(Genre)
     }
 
-    newRecords.BookGenre.push({
+    newRecords.bookGenre.push({
       id: uuidv4(),
-      BookId: Book.id,
-      GenreId: genreId
+      bookId: Book.id,
+      genreId
     })
   }
 
@@ -326,10 +327,10 @@ function migrateBook(oldLibraryItem, LibraryItem) {
   //
   for (const oldBookAuthor of oldBook.metadata.authors) {
     if (oldDbIdMap.people[oldBookAuthor.id]) {
-      newRecords.BookAuthor.push({
+      newRecords.bookAuthor.push({
         id: uuidv4(),
-        PersonId: oldDbIdMap.people[oldBookAuthor.id],
-        BookId: Book.id
+        authorId: oldDbIdMap.people[oldBookAuthor.id],
+        bookId: Book.id
       })
     } else {
       Logger.warn(`[dbMigration] migrateBook: Book author not found "${oldBookAuthor.name}"`)
@@ -340,23 +341,23 @@ function migrateBook(oldLibraryItem, LibraryItem) {
   // Migrate BookNarrators
   //
   for (const oldBookNarrator of oldBook.metadata.narrators) {
-    let PersonId = oldDbIdMap.people[oldBookNarrator]
-    if (!PersonId) {
+    let personId = oldDbIdMap.people[oldBookNarrator]
+    if (!personId) {
       const Person = {
         id: uuidv4(),
-        type: 'Narrator',
+        type: 'narrator',
         name: oldBookNarrator,
         createdAt: LibraryItem.createdAt,
         updatedAt: LibraryItem.updatedAt
       }
-      newRecords.Person.push(Person)
-      PersonId = Person.id
+      newRecords.person.push(Person)
+      personId = Person.id
     }
 
-    newRecords.BookNarrator.push({
+    newRecords.bookNarrator.push({
       id: uuidv4(),
-      PersonId,
-      BookId: Book.id
+      narratorId: personId,
+      bookId: Book.id
     })
   }
 
@@ -368,10 +369,10 @@ function migrateBook(oldLibraryItem, LibraryItem) {
       const BookSeries = {
         id: uuidv4(),
         sequence: oldBookSeries.sequence,
-        SeriesId: oldDbIdMap.series[oldBookSeries.id],
-        BookId: Book.id
+        seriesId: oldDbIdMap.series[oldBookSeries.id],
+        bookId: Book.id
       }
-      newRecords.BookSeries.push(BookSeries)
+      newRecords.bookSeries.push(BookSeries)
     } else {
       Logger.warn(`[dbMigration] migrateBook: Series not found "${oldBookSeries.name}"`)
     }
@@ -385,10 +386,10 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
   //
   // Migrate ImageFile
   //
-  let ImageFileId = null
+  let imageFileId = null
   if (oldPodcast.coverPath) {
-    ImageFileId = oldDbIdMap.files[oldPodcast.coverPath] || null
-    if (!ImageFileId) {
+    imageFileId = oldDbIdMap.files[oldPodcast.coverPath] || null
+    if (!imageFileId) {
       const FileMetadata = {
         id: uuidv4(),
         filename: Path.basename(oldPodcast.coverPath),
@@ -397,9 +398,9 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
         createdAt: LibraryItem.createdAt,
         updatedAt: LibraryItem.updatedAt
       }
-      newRecords.FileMetadata.push(FileMetadata)
+      newRecords.fileMetadata.push(FileMetadata)
       oldDbIdMap.files[oldPodcast.coverPath] = FileMetadata.id
-      ImageFileId = FileMetadata.id
+      imageFileId = FileMetadata.id
     }
   }
 
@@ -429,10 +430,10 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
     lastCoverSearch: oldPodcast.lastCoverSearch,
     createdAt: LibraryItem.createdAt,
     updatedAt: LibraryItem.updatedAt,
-    ImageFileId,
-    LibraryItemId: LibraryItem.id
+    imageFileId,
   }
-  newRecords.Podcast.push(Podcast)
+  newRecords.podcast.push(Podcast)
+  oldDbIdMap.podcasts[oldLibraryItem.id] = Podcast.id
 
   //
   // Migrate Tags
@@ -451,13 +452,13 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
         updatedAt: LibraryItem.updatedAt
       }
       tagId = Tag.id
-      newRecords.Tag.push(Tag)
+      newRecords.tag.push(Tag)
     }
 
-    newRecords.PodcastTag.push({
+    newRecords.podcastTag.push({
       id: uuidv4(),
-      PodcastId: Podcast.id,
-      TagId: tagId
+      podcastId: Podcast.id,
+      tagId
     })
   }
 
@@ -478,13 +479,13 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
         updatedAt: LibraryItem.updatedAt
       }
       genreId = Genre.id
-      newRecords.Genre.push(Genre)
+      newRecords.genre.push(Genre)
     }
 
-    newRecords.PodcastGenre.push({
+    newRecords.podcastGenre.push({
       id: uuidv4(),
-      PodcastId: Podcast.id,
-      GenreId: genreId
+      podcastId: Podcast.id,
+      genreId
     })
   }
 
@@ -494,8 +495,8 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
   const oldEpisodes = oldPodcast.episodes || []
   for (const oldEpisode of oldEpisodes) {
     const oldAudioFile = oldEpisode.audioFile
-    const FileMetadataId = oldDbIdMap.files[oldAudioFile.metadata.path]
-    if (!FileMetadataId) {
+    const fileMetadataId = oldDbIdMap.files[oldAudioFile.metadata.path]
+    if (!fileMetadataId) {
       Logger.warn(`[dbMigration] migratePodcast: File metadata not found for audio file "${oldAudioFile.metadata.path}"`)
       continue
     }
@@ -516,9 +517,9 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
       publishedAt: oldEpisode.publishedAt,
       createdAt: oldEpisode.addedAt,
       updatedAt: oldEpisode.updatedAt,
-      PodcastId: Podcast.id
+      podcastId: Podcast.id
     }
-    newRecords.PodcastEpisode.push(PodcastEpisode)
+    newRecords.podcastEpisode.push(PodcastEpisode)
     oldDbIdMap.podcastEpisodes[oldEpisode.id] = PodcastEpisode.id
 
     //
@@ -535,9 +536,9 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
       tags: cleanAudioFileMetaTags(oldAudioFile.metaTags),
       createdAt: LibraryItem.createdAt,
       updatedAt: LibraryItem.updatedAt,
-      FileMetadataId
+      fileMetadataId
     }
-    newRecords.MediaFile.push(MediaFile)
+    newRecords.mediaFile.push(MediaFile)
 
     const MediaStream = {
       id: uuidv4(),
@@ -555,9 +556,9 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
       chapters: oldAudioFile.chapters,
       createdAt: LibraryItem.createdAt,
       updatedAt: LibraryItem.updatedAt,
-      MediaFileId: MediaFile.id
+      mediaFileId: MediaFile.id
     }
-    newRecords.MediaStream.push(MediaStream)
+    newRecords.mediaStream.push(MediaStream)
 
     if (oldAudioFile.embeddedCoverArt) {
       const CoverMediaStream = {
@@ -568,15 +569,15 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
         default: true,
         createdAt: LibraryItem.createdAt,
         updatedAt: LibraryItem.updatedAt,
-        MediaFileId: MediaFile.id
+        mediaFileId: MediaFile.id
       }
-      newRecords.MediaStream.push(CoverMediaStream)
+      newRecords.mediaStream.push(CoverMediaStream)
     }
 
     const AudioTrack = {
       id: uuidv4(),
-      MediaItemId: Podcast.id,
-      mediaItemType: 'Podcast',
+      mediaItemId: PodcastEpisode.id,
+      mediaItemType: 'podcastEpisode',
       index: oldAudioFile.index,
       startOffset: 0,
       duration: oldAudioFile.duration,
@@ -587,16 +588,16 @@ function migratePodcast(oldLibraryItem, LibraryItem) {
       discNumber: oldAudioFile.discNumFromMeta || oldAudioFile.discNumFromFilename,
       createdAt: LibraryItem.createdAt,
       updatedAt: LibraryItem.updatedAt,
-      MediaFileId: MediaFile.id
+      mediaFileId: MediaFile.id
     }
-    newRecords.AudioTrack.push(AudioTrack)
+    newRecords.audioTrack.push(AudioTrack)
   }
 }
 
 function migrateLibraryItems(oldLibraryItems) {
   for (const oldLibraryItem of oldLibraryItems) {
-    const LibraryId = oldDbIdMap.libraryFolders[oldLibraryItem.folderId]
-    if (!LibraryId) {
+    const libraryFolderId = oldDbIdMap.libraryFolders[oldLibraryItem.folderId]
+    if (!libraryFolderId) {
       Logger.error(`[dbMigration] migrateLibraryItems: Old library folder id not found "${oldLibraryItem.folderId}"`)
       continue
     }
@@ -609,6 +610,7 @@ function migrateLibraryItems(oldLibraryItems) {
       ino: oldLibraryItem.ino,
       path: oldLibraryItem.path,
       relPath: oldLibraryItem.relPath,
+      mediaId: null, // set below
       mediaType: oldLibraryItem.mediaType,
       isFile: !!oldLibraryItem.isFile,
       isMissing: !!oldLibraryItem.isMissing,
@@ -620,10 +622,10 @@ function migrateLibraryItems(oldLibraryItems) {
       lastScanVersion: oldLibraryItem.scanVersion,
       createdAt: oldLibraryItem.addedAt,
       updatedAt: oldLibraryItem.updatedAt,
-      LibraryId
+      libraryFolderId
     }
     oldDbIdMap.libraryItems[oldLibraryItem.id] = LibraryItem.id
-    newRecords.LibraryItem.push(LibraryItem)
+    newRecords.libraryItem.push(LibraryItem)
 
     //
     // Migrate LibraryFiles
@@ -642,17 +644,17 @@ function migrateLibraryItems(oldLibraryItems) {
         createdAt: oldLibraryFile.addedAt || Date.now(),
         updatedAt: oldLibraryFile.updatedAt || Date.now()
       }
-      newRecords.FileMetadata.push(FileMetadata)
+      newRecords.fileMetadata.push(FileMetadata)
       oldDbIdMap.files[FileMetadata.path] = FileMetadata.id
 
       const LibraryFile = {
         id: uuidv4(),
         createdAt: FileMetadata.createdAt,
         updatedAt: FileMetadata.updatedAt,
-        FileMetadataId: FileMetadata.id,
-        LibraryItemId: LibraryItem.id
+        fileMetadataId: FileMetadata.id,
+        libraryItemId: LibraryItem.id
       }
-      newRecords.LibraryFile.push(LibraryFile)
+      newRecords.libraryFile.push(LibraryFile)
     }
 
     // 
@@ -660,8 +662,10 @@ function migrateLibraryItems(oldLibraryItems) {
     //
     if (oldLibraryItem.mediaType === 'book') {
       migrateBook(oldLibraryItem, LibraryItem)
+      LibraryItem.mediaId = oldDbIdMap.books[oldLibraryItem.id]
     } else if (oldLibraryItem.mediaType === 'podcast') {
       migratePodcast(oldLibraryItem, LibraryItem)
+      LibraryItem.mediaId = oldDbIdMap.podcasts[oldLibraryItem.id]
     }
   }
 }
@@ -682,20 +686,20 @@ function migrateLibraries(oldLibraries) {
       updatedAt: oldLibrary.lastUpdate
     }
     oldDbIdMap.libraries[oldLibrary.id] = Library.id
-    newRecords.Library.push(Library)
+    newRecords.library.push(Library)
 
     // 
     // Migrate LibrarySettings
     //
     const oldLibrarySettings = oldLibrary.settings || {}
     for (const oldSettingsKey in oldLibrarySettings) {
-      newRecords.LibrarySetting.push({
+      newRecords.librarySetting.push({
         id: uuidv4(),
         key: oldSettingsKey,
         value: oldLibrarySettings[oldSettingsKey],
         createdAt: oldLibrary.createdAt,
         updatedAt: oldLibrary.lastUpdate,
-        LibraryId: Library.id
+        libraryId: Library.id
       })
     }
 
@@ -708,10 +712,10 @@ function migrateLibraries(oldLibraries) {
         path: oldFolder.fullPath,
         createdAt: oldFolder.addedAt,
         updatedAt: oldLibrary.lastUpdate,
-        LibraryId: Library.id
+        libraryId: Library.id
       }
       oldDbIdMap.libraryFolders[oldFolder.id] = LibraryFolder.id
-      newRecords.LibraryFolder.push(LibraryFolder)
+      newRecords.libraryFolder.push(LibraryFolder)
     }
   }
 }
@@ -728,22 +732,22 @@ function migrateAuthors(oldAuthors) {
         createdAt: oldAuthor.addedAt || Date.now(),
         updatedAt: oldAuthor.updatedAt || Date.now()
       }
-      newRecords.FileMetadata.push(FileMetadata)
+      newRecords.fileMetadata.push(FileMetadata)
       imageFileId = FileMetadata.id
     }
 
     const Person = {
       id: uuidv4(),
-      type: 'Author',
+      type: 'author',
       name: oldAuthor.name,
       asin: oldAuthor.asin || null,
       description: oldAuthor.description,
       createdAt: oldAuthor.addedAt || Date.now(),
       updatedAt: oldAuthor.updatedAt || Date.now(),
-      ImageFileId: imageFileId
+      imageFileId
     }
     oldDbIdMap.people[oldAuthor.id] = Person.id
-    newRecords.Person.push(Person)
+    newRecords.person.push(Person)
   }
 }
 
@@ -757,7 +761,7 @@ function migrateSeries(oldSerieses) {
       updatedAt: oldSeries.updatedAt || Date.now()
     }
     oldDbIdMap.series[oldSeries.id] = Series.id
-    newRecords.Series.push(Series)
+    newRecords.series.push(Series)
   }
 }
 
@@ -780,7 +784,7 @@ function migrateUsers(oldUsers) {
       createdAt: oldUser.createdAt || Date.now()
     }
     oldDbIdMap.users[oldUser.id] = User.id
-    newRecords.User.push(User)
+    newRecords.user.push(User)
 
     // 
     // Migrate UserPermissions
@@ -792,9 +796,9 @@ function migrateUsers(oldUsers) {
           key: oldUserPermission,
           value: !!oldUser.permissions[oldUserPermission],
           createdAt: User.createdAt,
-          UserId: User.id
+          userId: User.id
         }
-        newRecords.UserPermission.push(UserPermission)
+        newRecords.userPermission.push(UserPermission)
       }
     }
     if (oldUser.librariesAccessible?.length) {
@@ -803,9 +807,9 @@ function migrateUsers(oldUsers) {
         key: 'librariesAccessible',
         value: JSON.stringify(oldUser.librariesAccessible),
         createdAt: User.createdAt,
-        UserId: User.id
+        userId: User.id
       }
-      newRecords.UserPermission.push(UserPermission)
+      newRecords.userPermission.push(UserPermission)
     }
     if (oldUser.itemTagsAccessible?.length) {
       const UserPermission = {
@@ -813,32 +817,32 @@ function migrateUsers(oldUsers) {
         key: 'itemTagsAccessible',
         value: JSON.stringify(oldUser.itemTagsAccessible),
         createdAt: User.createdAt,
-        UserId: User.id
+        userId: User.id
       }
-      newRecords.UserPermission.push(UserPermission)
+      newRecords.userPermission.push(UserPermission)
     }
 
     // 
     // Migrate MediaProgress
     //
     for (const oldMediaProgress of oldUser.mediaProgress) {
-      let mediaItemType = 'Book'
-      let MediaItemId = null
+      let mediaItemType = 'book'
+      let mediaItemId = null
       if (oldMediaProgress.episodeId) {
-        mediaItemType = 'PodcastEpisode'
-        MediaItemId = oldDbIdMap.podcastEpisodes[oldMediaProgress.episodeId]
+        mediaItemType = 'podcastEpisode'
+        mediaItemId = oldDbIdMap.podcastEpisodes[oldMediaProgress.episodeId]
       } else {
-        MediaItemId = oldDbIdMap.books[oldMediaProgress.libraryItemId]
+        mediaItemId = oldDbIdMap.books[oldMediaProgress.libraryItemId]
       }
 
-      if (!MediaItemId) {
+      if (!mediaItemId) {
         Logger.warn(`[dbMigration] migrateUsers: Unable to find media item for media progress "${oldMediaProgress.id}"`)
         continue
       }
 
       const MediaProgress = {
         id: uuidv4(),
-        MediaItemId,
+        mediaItemId,
         mediaItemType,
         duration: oldMediaProgress.duration,
         currentTime: oldMediaProgress.currentTime,
@@ -847,49 +851,49 @@ function migrateUsers(oldUsers) {
         finishedAt: oldMediaProgress.finishedAt,
         createdAt: oldMediaProgress.startedAt || oldMediaProgress.lastUpdate,
         updatedAt: oldMediaProgress.lastUpdate,
-        UserId: User.id
+        userId: User.id
       }
-      newRecords.MediaProgress.push(MediaProgress)
+      newRecords.mediaProgress.push(MediaProgress)
     }
 
     // 
     // Migrate AudioBookmarks
     //
     for (const oldBookmark of oldUser.bookmarks) {
-      const MediaItemId = oldDbIdMap.books[oldBookmark.libraryItemId]
-      if (!MediaItemId) {
+      const mediaItemId = oldDbIdMap.books[oldBookmark.libraryItemId]
+      if (!mediaItemId) {
         Logger.warn(`[dbMigration] migrateUsers: Unable to find media item for audio bookmark "${oldBookmark.id}"`)
         continue
       }
 
       const AudioBookmark = {
         id: uuidv4(),
-        MediaItemId,
-        mediaItemType: 'Book',
+        mediaItemId,
+        mediaItemType: 'book',
         title: oldBookmark.title,
         time: oldBookmark.time,
         createdAt: oldBookmark.createdAt,
         updatedAt: oldBookmark.createdAt,
-        UserId: User.id
+        userId: User.id
       }
-      newRecords.AudioBookmark.push(AudioBookmark)
+      newRecords.audioBookmark.push(AudioBookmark)
     }
   }
 }
 
 function migrateSessions(oldSessions) {
   for (const oldSession of oldSessions) {
-    const UserId = oldDbIdMap.users[oldSession.userId] || null // Can be null
+    const userId = oldDbIdMap.users[oldSession.userId] || null // Can be null
 
     //
     // Migrate Device
     //
-    let DeviceId = null
+    let deviceId = null
     if (oldSession.deviceInfo) {
       const oldDeviceInfo = oldSession.deviceInfo
-      const deviceInfoStr = getDeviceInfoString(oldDeviceInfo, UserId)
-      DeviceId = oldDbIdMap.devices[deviceInfoStr]
-      if (!DeviceId) {
+      const deviceInfoStr = getDeviceInfoString(oldDeviceInfo, userId)
+      deviceId = oldDbIdMap.devices[deviceInfoStr]
+      if (!deviceId) {
         let clientName = 'Unknown'
         let clientVersion = null
         let deviceName = null
@@ -918,9 +922,9 @@ function migrateSessions(oldSessions) {
           ipAddress: oldDeviceInfo.ipAddress,
           deviceName, // e.g. Windows 10 Chrome, Google Pixel 6, Apple iPhone 10,3
           deviceVersion,
-          UserId
+          userId
         }
-        newRecords.Device.push(Device)
+        newRecords.device.push(Device)
         oldDbIdMap.devices[deviceInfoStr] = Device.id
       }
     }
@@ -929,18 +933,18 @@ function migrateSessions(oldSessions) {
     //
     // Migrate PlaybackSession
     //
-    let MediaItemId = null
-    let mediaItemType = 'Book'
+    let mediaItemId = null
+    let mediaItemType = 'book'
     if (oldSession.mediaType === 'podcast') {
-      MediaItemId = oldDbIdMap.podcastEpisodes[oldSession.episodeId] || null
-      mediaItemType = 'PodcastEpisode'
+      mediaItemId = oldDbIdMap.podcastEpisodes[oldSession.episodeId] || null
+      mediaItemType = 'podcastEpisode'
     } else {
-      MediaItemId = oldDbIdMap.books[oldSession.libraryItemId] || null
+      mediaItemId = oldDbIdMap.books[oldSession.libraryItemId] || null
     }
 
     const PlaybackSession = {
       id: uuidv4(),
-      MediaItemId, // Can be null
+      mediaItemId, // Can be null
       mediaItemType,
       displayTitle: oldSession.displayTitle,
       displayAuthor: oldSession.displayAuthor,
@@ -952,10 +956,10 @@ function migrateSessions(oldSessions) {
       serverVersion: oldSession.deviceInfo?.serverVersion || null,
       createdAt: oldSession.startedAt,
       updatedAt: oldSession.updatedAt,
-      UserId, // Can be null
-      DeviceId
+      userId, // Can be null
+      deviceId
     }
-    newRecords.PlaybackSession.push(PlaybackSession)
+    newRecords.playbackSession.push(PlaybackSession)
 
     if (oldSession.timeListening) {
       const PlaybackSessionListenTime = {
@@ -964,17 +968,17 @@ function migrateSessions(oldSessions) {
         date: oldSession.date || dateAndTime.format(new Date(PlaybackSession.createdAt), 'YYYY-MM-DD'),
         createdAt: PlaybackSession.createdAt,
         updatedAt: PlaybackSession.updatedAt,
-        PlaybackSessionId: PlaybackSession.id
+        playbackSessionId: PlaybackSession.id
       }
-      newRecords.PlaybackSessionListenTime.push(PlaybackSessionListenTime)
+      newRecords.playbackSessionListenTime.push(PlaybackSessionListenTime)
     }
   }
 }
 
 function migrateCollections(oldCollections) {
   for (const oldCollection of oldCollections) {
-    const LibraryId = oldDbIdMap.libraries[oldCollection.libraryId]
-    if (!LibraryId) {
+    const libraryId = oldDbIdMap.libraries[oldCollection.libraryId]
+    if (!libraryId) {
       Logger.warn(`[dbMigration] migrateCollections: Library not found for collection "${oldCollection.name}" (id:${oldCollection.libraryId})`)
       continue
     }
@@ -991,42 +995,42 @@ function migrateCollections(oldCollections) {
       description: oldCollection.description,
       createdAt: oldCollection.createdAt,
       updatedAt: oldCollection.lastUpdate,
-      LibraryId
+      libraryId
     }
     oldDbIdMap.collections[oldCollection.id] = Collection.id
-    newRecords.Collection.push(Collection)
+    newRecords.collection.push(Collection)
 
-    BookIds.forEach((BookId) => {
+    BookIds.forEach((bookId) => {
       const CollectionBook = {
         id: uuidv4(),
         createdAt: Collection.createdAt,
-        BookId,
-        CollectionId: Collection.id
+        bookId,
+        collectionId: Collection.id
       }
-      newRecords.CollectionBook.push(CollectionBook)
+      newRecords.collectionBook.push(CollectionBook)
     })
   }
 }
 
 function migratePlaylists(oldPlaylists) {
   for (const oldPlaylist of oldPlaylists) {
-    const LibraryId = oldDbIdMap.libraries[oldPlaylist.libraryId]
-    if (!LibraryId) {
+    const libraryId = oldDbIdMap.libraries[oldPlaylist.libraryId]
+    if (!libraryId) {
       Logger.warn(`[dbMigration] migratePlaylists: Library not found for playlist "${oldPlaylist.name}" (id:${oldPlaylist.libraryId})`)
       continue
     }
 
-    const UserId = oldDbIdMap.users[oldPlaylist.userId]
-    if (!UserId) {
+    const userId = oldDbIdMap.users[oldPlaylist.userId]
+    if (!userId) {
       Logger.warn(`[dbMigration] migratePlaylists: User not found for playlist "${oldPlaylist.name}" (id:${oldPlaylist.userId})`)
       continue
     }
 
-    let mediaItemType = 'Book'
+    let mediaItemType = 'book'
     let MediaItemIds = []
     oldPlaylist.items.forEach((itemObj) => {
       if (itemObj.episodeId) {
-        mediaItemType = 'PodcastEpisode'
+        mediaItemType = 'podcastEpisode'
         if (oldDbIdMap.podcastEpisodes[itemObj.episodeId]) {
           MediaItemIds.push(oldDbIdMap.podcastEpisodes[itemObj.episodeId])
         }
@@ -1045,20 +1049,20 @@ function migratePlaylists(oldPlaylists) {
       description: oldPlaylist.description,
       createdAt: oldPlaylist.createdAt,
       updatedAt: oldPlaylist.lastUpdate,
-      UserId,
-      LibraryId
+      userId,
+      libraryId
     }
-    newRecords.Playlist.push(Playlist)
+    newRecords.playlist.push(Playlist)
 
-    MediaItemIds.forEach((MediaItemId) => {
+    MediaItemIds.forEach((mediaItemId) => {
       const PlaylistMediaItem = {
         id: uuidv4(),
-        MediaItemId,
+        mediaItemId,
         mediaItemType,
         createdAt: Playlist.createdAt,
-        PlaylistId: Playlist.id
+        playlistId: Playlist.id
       }
-      newRecords.PlaylistMediaItem.push(PlaylistMediaItem)
+      newRecords.playlistMediaItem.push(PlaylistMediaItem)
     })
   }
 }
@@ -1069,27 +1073,23 @@ function migrateFeeds(oldFeeds) {
       continue
     }
 
-    let entityType = null
-    let EntityId = null
+    let entityId = null
 
     if (oldFeed.entityType === 'collection') {
-      entityType = 'Collection'
-      EntityId = oldDbIdMap.collections[oldFeed.entityId]
+      entityId = oldDbIdMap.collections[oldFeed.entityId]
     } else if (oldFeed.entityType === 'libraryItem') {
-      entityType = 'LibraryItem'
-      EntityId = oldDbIdMap.libraryItems[oldFeed.entityId]
+      entityId = oldDbIdMap.libraryItems[oldFeed.entityId]
     } else if (oldFeed.entityType === 'series') {
-      entityType = 'Series'
-      EntityId = oldDbIdMap.series[oldFeed.entityId]
+      entityId = oldDbIdMap.series[oldFeed.entityId]
     }
 
-    if (!EntityId) {
-      Logger.warn(`[dbMigration] migrateFeeds: Entity not found for feed "${entityType}" (id:${oldFeed.entityId})`)
+    if (!entityId) {
+      Logger.warn(`[dbMigration] migrateFeeds: Entity not found for feed "${oldFeed.entityType}" (id:${oldFeed.entityId})`)
       continue
     }
 
-    const UserId = oldDbIdMap.users[oldFeed.userId]
-    if (!UserId) {
+    const userId = oldDbIdMap.users[oldFeed.userId]
+    if (!userId) {
       Logger.warn(`[dbMigration] migrateFeeds: User not found for feed (id:${oldFeed.userId})`)
       continue
     }
@@ -1099,8 +1099,8 @@ function migrateFeeds(oldFeeds) {
     const Feed = {
       id: uuidv4(),
       slug: oldFeed.slug,
-      entityType,
-      EntityId,
+      entityType: oldFeed.entityType,
+      entityId,
       entityUpdatedAt: oldFeed.entityUpdatedAt,
       serverAddress: oldFeed.serverAddress,
       feedURL: oldFeed.feedUrl,
@@ -1117,9 +1117,9 @@ function migrateFeeds(oldFeeds) {
       preventIndexing: !!oldFeedMeta.preventIndexing,
       createdAt: oldFeed.createdAt,
       updatedAt: oldFeed.updatedAt,
-      UserId
+      userId
     }
-    newRecords.Feed.push(Feed)
+    newRecords.feed.push(Feed)
 
     //
     // Migrate FeedEpisodes
@@ -1143,9 +1143,9 @@ function migrateFeeds(oldFeeds) {
         explicit: !!oldFeedEpisode.explicit,
         createdAt: oldFeed.createdAt,
         updatedAt: oldFeed.updatedAt,
-        FeedId: Feed.id
+        feedId: Feed.id
       }
-      newRecords.FeedEpisode.push(FeedEpisode)
+      newRecords.feedEpisode.push(FeedEpisode)
     }
   }
 }
@@ -1162,7 +1162,7 @@ function migrateSettings(oldSettings) {
       if (value === undefined) value = null
       else if (serverSettingsKey === 'sortingPrefixes') value = JSON.stringify(value)
 
-      newRecords.Setting.push({
+      newRecords.setting.push({
         key: serverSettingsKey,
         value,
         type: 0
@@ -1178,7 +1178,7 @@ function migrateSettings(oldSettings) {
       notificationDelay: notificationSettings.notificationDelay ?? 1000 // ms delay between firing notifications
     }
     for (const notificationSettingKey in cleanedCopy) {
-      newRecords.Setting.push({
+      newRecords.setting.push({
         key: notificationSettingKey,
         value: cleanedCopy[notificationSettingKey],
         type: 1
@@ -1206,7 +1206,7 @@ function migrateSettings(oldSettings) {
           createdAt: oldNotification.createdAt,
           updatedAt: oldNotification.createdAt
         }
-        newRecords.Notification.push(Notification)
+        newRecords.notification.push(Notification)
       }
     }
   }