Rewrite of object model to use Unrealm

This addresses issues with JSON serialization

ios/App/Shared/models/LocalLibrary.swift

@@ -6,139 +6,81 @@
 //
 
 import Foundation
-import RealmSwift
+import Unrealm
 
-class LocalLibraryItem: Object, Encodable {
-    @Persisted(primaryKey: true) var id: String = "local_\(UUID().uuidString)"
-    @Persisted var basePath: String = ""
-    @Persisted var absolutePath: String = ""
-    @Persisted var contentUrl: String
-    @Persisted var isInvalid: Bool = false
-    @Persisted var mediaType: String
-    @Persisted var media: LocalMediaType?
-    @Persisted var localFiles: List<LocalFile>
-    @Persisted var coverContentUrl: String? = nil
-    @Persisted var coverAbsolutePath: String? = nil
-    @Persisted var isLocal: Bool = true
-    @Persisted var serverConnectionConfigId: String? = nil
-    @Persisted var serverAddress: String? = nil
-    @Persisted var serverUserId: String? = nil
-    @Persisted var libraryItemId: String? = nil
+struct LocalLibraryItem: Realmable, Codable {
+    var id: String = "local_\(UUID().uuidString)"
+    var basePath: String = ""
+    var absolutePath: String = ""
+    var contentUrl: String = ""
+    var isInvalid: Bool = false
+    var mediaType: String = ""
+    var media: MediaType?
+    var localFiles: [LocalFile] = []
+    var coverContentUrl: String?
+    var coverAbsolutePath: String?
+    var isLocal: Bool = true
+    var serverConnectionConfigId: String?
+    var serverAddress: String?
+    var serverUserId: String?
+    var libraryItemId: String?
+    
+    static func primaryKey() -> String? {
+        return "id"
+    }
 }
 
-class LocalMediaType: Object, Encodable {
-    @Persisted var libraryItemId: String? = ""
-    @Persisted var metadata: LocalMetadata?
-    @Persisted var coverPath: String? = ""
-    @Persisted var tags: List<String?>
-    @Persisted var audioFiles: List<LocalAudioFile>
-    @Persisted var chapters: List<LocalChapter>
-    @Persisted var tracks: List<LocalAudioTrack>
-    @Persisted var size: Int64? = nil
-    @Persisted var duration: Double? = nil
-    @Persisted var episodes: List<LocalPodcastEpisode>
-    @Persisted var autoDownloadEpisodes: Bool? = nil
+struct LocalPodcastEpisode: Realmable, Codable {
+    var id: String = UUID().uuidString
+    var index: Int = 0
+    var episode: String?
+    var episodeType: String?
+    var title: String = "Unknown"
+    var subtitle: String?
+    var desc: String?
+    var audioFile: AudioFile?
+    var audioTrack: AudioTrack?
+    var duration: Double = 0
+    var size: Int = 0
+    var serverEpisodeId: String?
+    
+    static func primaryKey() -> String? {
+        return "id"
+    }
 }
 
-class LocalMetadata: Object, Encodable {
-    @Persisted var title: String
-    @Persisted var subtitle: String? = ""
-    @Persisted var authors: List<LocalAuthor>
-    @Persisted var narrators: List<String?>
-    @Persisted var genres: List<String?>
-    @Persisted var publishedYear: String? = ""
-    @Persisted var publishedDate: String? = ""
-    @Persisted var publisher: String? = ""
-    @Persisted var desc: String? = ""
-    @Persisted var isbn: String? = ""
-    @Persisted var asin: String? = ""
-    @Persisted var language: String? = ""
-    @Persisted var explicit: Bool
-    @Persisted var authorName: String? = ""
-    @Persisted var authorNameLF: String? = ""
-    @Persisted var narratorName: String? = ""
-    @Persisted var seriesName: String? = ""
-    @Persisted var feedUrl: String? = ""
+struct LocalFile: Realmable, Codable {
+    var id: String = UUID().uuidString
+    var filename: String?
+    var contentUrl: String = ""
+    var absolutePath: String = ""
+    var mimeType: String?
+    var size: Int = 0
+    
+    static func primaryKey() -> String? {
+        return "id"
+    }
 }
 
-class LocalPodcastEpisode: Object, Encodable {
-    @Persisted var id: String = UUID().uuidString
-    @Persisted var index: Int
-    @Persisted var episode: String? = ""
-    @Persisted var episodeType: String? = ""
-    @Persisted var title: String
-    @Persisted var subtitle: String? = ""
-    @Persisted var desc: String? = ""
-    @Persisted var audioFile: LocalAudioFile? = nil
-    @Persisted var audioTrack: LocalAudioTrack? = nil
-    @Persisted var duration: Double
-    @Persisted var size: Int64
-    @Persisted var serverEpisodeId: String?
-}
-
-class LocalAudioFile: Object, Encodable {
-    @Persisted var index: Int
-    @Persisted var ino: String
-    @Persisted var metadata: LocalFileMetadata?
-}
-
-class LocalAuthor: Object, Encodable {
-    @Persisted var id: String = UUID().uuidString
-    @Persisted var name: String
-    @Persisted var coverPath: String? = ""
-}
-
-class LocalChapter: Object, Encodable {
-    @Persisted var id: Int
-    @Persisted var start: Double
-    @Persisted var end: Double
-    @Persisted var title: String? = nil
-}
-
-class LocalAudioTrack: Object, Encodable {
-    @Persisted var index: Int? = nil
-    @Persisted var startOffset: Double? = nil
-    @Persisted var duration: Double
-    @Persisted var title: String? = ""
-    @Persisted var contentUrl: String? = ""
-    @Persisted var mimeType: String
-    @Persisted var metadata: LocalFileMetadata? = nil
-    @Persisted var isLocal: Bool = true
-    @Persisted var localFileId: String? = ""
-    @Persisted var serverIndex: Int? = nil
-}
-
-class LocalFileMetadata: Object, Encodable {
-    @Persisted var filename: String
-    @Persisted var ext: String
-    @Persisted var path: String
-    @Persisted var relPath: String
-}
-
-class LocalFile: Object, Encodable {
-    @Persisted var id: String = UUID().uuidString
-    @Persisted var filename: String? = ""
-    @Persisted var contentUrl: String
-    @Persisted var absolutePath: String
-    @Persisted var mimeType: String? = ""
-    @Persisted var size: Int64
-}
-
-class LocalMediaProgress: Object, Encodable {
-    @Persisted(primaryKey: true) var id: String = UUID().uuidString
-    @Persisted var localLibraryItemId: String
-    @Persisted var localEpisodeId: String? = ""
-    @Persisted var duration: Double
-    @Persisted var progress: Double // 0 to 1
-    @Persisted var currentTime: Double
-    @Persisted var isFinished: Bool
-    @Persisted var lastUpdate: Int64
-    @Persisted var startedAt: Int64
-    @Persisted var finishedAt: Int64? = nil
+struct LocalMediaProgress: Realmable, Codable {
+    var id: String = UUID().uuidString
+    var localLibraryItemId: String = ""
+    var localEpisodeId: String?
+    var duration: Double = 0
+    var progress: Double = 0
+    var currentTime: Double = 0
+    var isFinished: Bool = false
+    var lastUpdate: Int = 0
+    var startedAt: Int = 0
+    var finishedAt: Int?
     // For local lib items from server to support server sync
-    @Persisted var serverConnectionConfigId: String? = ""
-    @Persisted var serverAddress: String? = ""
-    @Persisted var serverUserId: String? = ""
-    @Persisted var libraryItemId: String? = ""
-    @Persisted var episodeId: String? = ""
+    var serverConnectionConfigId: String?
+    var serverAddress: String?
+    var serverUserId: String?
+    var libraryItemId: String?
+    var episodeId: String?
+    
+    static func primaryKey() -> String? {
+        return "id"
+    }
 }