Add:iOS offline ebooks

ios/App/Shared/models/download/DownloadItemPart.swift

@@ -17,6 +17,7 @@ class DownloadItemPart: Object, Codable {
     @Persisted var serverPath: String?
     @Persisted var audioTrack: AudioTrack?
     @Persisted var episode: PodcastEpisode?
+    @Persisted var ebookFile: EBookFile?
     @Persisted var completed: Bool = false
     @Persisted var moved: Bool = false
     @Persisted var failed: Bool = false
@@ -63,7 +64,7 @@ class DownloadItemPart: Object, Codable {
 }
 
 extension DownloadItemPart {
-    convenience init(downloadItemId: String, filename: String, destination: String, itemTitle: String, serverPath: String, audioTrack: AudioTrack?, episode: PodcastEpisode?, size: Double) {
+    convenience init(downloadItemId: String, filename: String, destination: String, itemTitle: String, serverPath: String, audioTrack: AudioTrack?, episode: PodcastEpisode?, ebookFile: EBookFile?, size: Double) {
         self.init()
         
         self.id = destination.toBase64()
@@ -74,6 +75,7 @@ extension DownloadItemPart {
         self.serverPath = serverPath
         self.audioTrack = AudioTrack.detachCopy(of: audioTrack)
         self.episode = PodcastEpisode.detachCopy(of: episode)
+        self.ebookFile = EBookFile.detachCopy(of: ebookFile)
         
         let config = Store.serverConfig!
         var downloadUrl = "\(config.address)\(serverPath)?token=\(config.token)"
@@ -101,6 +103,6 @@ extension DownloadItemPart {
     }
     
     func mimeType() -> String? {
-        audioTrack?.mimeType ?? episode?.audioTrack?.mimeType
+        audioTrack?.mimeType ?? episode?.audioTrack?.mimeType ?? ebookFile?.mimeType()
     }
 }

ios/App/Shared/models/local/LocalLibraryItem.swift

@@ -130,6 +130,12 @@ extension LocalLibraryItem {
             for i in fromMedia.tracks.indices {
                 _ = fromMedia.tracks[i].setLocalInfo(filenameIdMap: fileIdByFilename, serverIndex: i)
             }
+            if fromMedia.ebookFile != nil {
+                let ebookLocalFile = files.first(where: { $0.filename == fromMedia.ebookFile?.metadata?.filename ?? "" })
+                if ebookLocalFile != nil {
+                    _ = fromMedia.ebookFile?.setLocalInfo(localFile: ebookLocalFile!)
+                }
+            }
         } else if ( self.isPodcast ) {
             let episodes = List<PodcastEpisode>()
             for episode in fromMedia.episodes {

ios/App/Shared/models/server/EBookFile.swift

@@ -0,0 +1,78 @@
+//
+//  EBookFile.swift
+//  Audiobookshelf
+//
+//  Created by Advplyr on 6/19/23.
+//
+
+import Foundation
+import RealmSwift
+
+class EBookFile: EmbeddedObject, Codable {
+    @Persisted var ino: String = ""
+    @Persisted var metadata: FileMetadata?
+    @Persisted var ebookFormat: String
+    @Persisted var contentUrl: String?
+    @Persisted var localFileId: String?
+    
+    private enum CodingKeys : String, CodingKey {
+        case ino, metadata, ebookFormat, contentUrl, localFileId
+    }
+    
+    override init() {
+        super.init()
+    }
+    
+    required init(from decoder: Decoder) throws {
+        super.init()
+        let values = try decoder.container(keyedBy: CodingKeys.self)
+        ino = try values.decode(String.self, forKey: .ino)
+        metadata = try values.decode(FileMetadata.self, forKey: .metadata)
+        ebookFormat = try values.decode(String.self, forKey: .ebookFormat)
+        contentUrl = try? values.decode(String.self, forKey: .contentUrl)
+        localFileId = try? values.decodeIfPresent(String.self, forKey: .localFileId)
+    }
+    
+    func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        try container.encode(ino, forKey: .ino)
+        try container.encode(metadata, forKey: .metadata)
+        try container.encode(ebookFormat, forKey: .ebookFormat)
+        try container.encode(contentUrl, forKey: .contentUrl)
+        try container.encode(localFileId, forKey: .localFileId)
+    }
+}
+
+extension EBookFile {
+    func setLocalInfo(localFile: LocalFile) -> Bool {
+        self.localFileId = localFile.id
+        self.contentUrl = localFile.contentUrl
+        return false
+    }
+    
+    func getLocalFile() -> LocalFile? {
+        guard let localFileId = self.localFileId else { return nil }
+        return Database.shared.getLocalFile(localFileId: localFileId)
+    }
+    
+    func mimeType() -> String? {
+        var mimeType = ""
+        switch ebookFormat {
+        case "epub":
+            mimeType = "application/epub+zip"
+        case "pdf":
+            mimeType = "application/pdf"
+        case "mobi":
+            mimeType = "application/x-mobipocket-ebook"
+        case "azw3":
+            mimeType = "application/vnd.amazon.mobi8-ebook"
+        case "cbr":
+            mimeType = "application/vnd.comicbook-rar"
+        case "cbz":
+            mimeType = "application/vnd.comicbook+zip"
+        default:
+            mimeType = "application/epub+zip"
+        }
+        return mimeType
+    }
+}

ios/App/Shared/models/server/MediaProgress.swift

@@ -16,12 +16,14 @@ class MediaProgress: EmbeddedObject, Codable {
     @Persisted var progress: Double = 0
     @Persisted var currentTime: Double = 0
     @Persisted var isFinished: Bool = false
+    @Persisted var ebookLocation: String?
+    @Persisted var ebookProgress: Double?
     @Persisted var lastUpdate: Double = 0
     @Persisted var startedAt: Double = 0
     @Persisted var finishedAt: Double?
     
     private enum CodingKeys : String, CodingKey {
-        case id, libraryItemId, episodeId, duration, progress, currentTime, isFinished, lastUpdate, startedAt, finishedAt
+        case id, libraryItemId, episodeId, duration, progress, currentTime, isFinished, ebookLocation, ebookProgress, lastUpdate, startedAt, finishedAt
     }
     
     override init() {
@@ -37,6 +39,8 @@ class MediaProgress: EmbeddedObject, Codable {
         progress = try values.doubleOrStringDecoder(key: .progress)
         currentTime = try values.doubleOrStringDecoder(key: .currentTime)
         isFinished = try values.decode(Bool.self, forKey: .isFinished)
+        ebookLocation = try values.decodeIfPresent(String.self, forKey: .ebookLocation)
+        ebookProgress = try values.doubleOrStringDecoder(key: .ebookProgress)
         lastUpdate = try values.doubleOrStringDecoder(key: .lastUpdate)
         startedAt = try values.doubleOrStringDecoder(key: .startedAt)
         finishedAt = try? values.doubleOrStringDecoder(key: .finishedAt)
@@ -51,6 +55,8 @@ class MediaProgress: EmbeddedObject, Codable {
         try container.encode(progress, forKey: .progress)
         try container.encode(currentTime, forKey: .currentTime)
         try container.encode(isFinished, forKey: .isFinished)
+        try container.encode(ebookLocation, forKey: .ebookLocation)
+        try container.encode(ebookProgress, forKey: .ebookProgress)
         try container.encode(lastUpdate, forKey: .lastUpdate)
         try container.encode(startedAt, forKey: .startedAt)
         try container.encode(finishedAt, forKey: .finishedAt)

ios/App/Shared/models/server/MediaType.swift

@@ -14,6 +14,7 @@ class MediaType: EmbeddedObject, Codable {
     @Persisted var coverPath: String?
     @Persisted var tags = List<String>()
     @Persisted var audioFiles = List<AudioFile>()
+    @Persisted var ebookFile: EBookFile?
     @Persisted var chapters = List<Chapter>()
     @Persisted var tracks = List<AudioTrack>()
     @Persisted var size: Int?
@@ -22,7 +23,7 @@ class MediaType: EmbeddedObject, Codable {
     @Persisted var autoDownloadEpisodes: Bool?
     
     private enum CodingKeys : String, CodingKey {
-        case libraryItemId, metadata, coverPath, tags, audioFiles, chapters, tracks, size, duration, episodes, autoDownloadEpisodes
+        case libraryItemId, metadata, coverPath, tags, audioFiles, ebookFile, chapters, tracks, size, duration, episodes, autoDownloadEpisodes
     }
     
     override init() {
@@ -41,6 +42,7 @@ class MediaType: EmbeddedObject, Codable {
         if let fileList = try? values.decode([AudioFile].self, forKey: .audioFiles) {
             audioFiles.append(objectsIn: fileList)
         }
+        ebookFile = try? values.decode(EBookFile.self, forKey: .ebookFile)
         if let chapterList = try? values.decode([Chapter].self, forKey: .chapters) {
             chapters.append(objectsIn: chapterList)
         }
@@ -62,6 +64,7 @@ class MediaType: EmbeddedObject, Codable {
         try container.encode(coverPath, forKey: .coverPath)
         try container.encode(Array(tags), forKey: .tags)
         try container.encode(Array(audioFiles), forKey: .audioFiles)
+        try container.encode(ebookFile, forKey: .ebookFile)
         try container.encode(Array(chapters), forKey: .chapters)
         try container.encode(Array(tracks), forKey: .tracks)
         try container.encode(size, forKey: .size)