Restructure project folders

ABS Client Mac/Audiobookshelf swift/Models/Models.swift

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+import Foundation
+
+struct Library: Codable, Identifiable, Hashable {
+    let id: String
+    let name: String
+    let mediaType: String?
+}
+
+struct LibraryItem: Codable, Identifiable, Hashable {
+    let id: String
+    let title: String
+    let author: String
+    let durationSeconds: Double
+    let audioFiles: [AudioFile]
+    var mediaType: String = "book"
+    var episodeId: String? = nil
+    var description: String? = nil
+
+    var isPodcast: Bool { mediaType == "podcast" }
+    var isPodcastContainer: Bool { isPodcast && episodeId == nil }
+    var isPodcastEpisode: Bool { isPodcast && episodeId != nil }
+
+    static func == (lhs: LibraryItem, rhs: LibraryItem) -> Bool {
+        lhs.id == rhs.id && lhs.episodeId == rhs.episodeId
+    }
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(id)
+        hasher.combine(episodeId)
+    }
+}
+
+struct PodcastEpisode: Identifiable, Hashable, Codable {
+    let id: String
+    let title: String
+    let pubDate: String?
+    let publishedAtMillis: Double?
+    let season: String?
+    let episode: String?
+    let durationSeconds: Double
+    let audioFile: AudioFile
+
+    var formattedDate: String? {
+        if let ms = publishedAtMillis, ms > 0 {
+            let date = Date(timeIntervalSince1970: ms / 1000.0)
+            let df = DateFormatter()
+            df.dateStyle = .medium
+            df.timeStyle = .none
+            return df.string(from: date)
+        }
+        return pubDate
+    }
+}
+
+struct AudioFile: Codable, Hashable {
+    let ino: String
+    let filename: String
+    let ext: String
+    let durationSeconds: Double
+    let index: Int
+}
+
+struct PlaybackProgress: Codable, Hashable {
+    let itemId: String
+    var episodeId: String?
+    var currentTime: Double
+    var duration: Double
+    var isFinished: Bool
+    var updatedAt: Date
+
+    var syncKey: String {
+        if let episodeId { return "\(itemId)|\(episodeId)" }
+        return itemId
+    }
+}
+
+enum DownloadState: Equatable {
+    case notDownloaded
+    case downloading(progress: Double)
+    case downloaded
+    case failed(message: String)
+}