Working local file playback

ios/App/App/plugins/AbsAudioPlayer.swift

@@ -45,11 +45,19 @@ public class AbsAudioPlayer: CAPPlugin {
         let isLocalItem = libraryItemId?.starts(with: "local_") ?? false
         if (isLocalItem) {
             let item = Database.shared.getLocalLibraryItem(localLibraryItemId: libraryItemId!)
-            // TODO: Logic required for podcasts here
-            let playbackSession = item?.getPlaybackSession(episode: nil)
+            let episode = item?.getPodcastEpisode(episodeId: episodeId)
+            let playbackSession = item?.getPlaybackSession(episode: episode)
+            sendPrepareMetadataEvent(itemId: libraryItemId!, playWhenReady: playWhenReady)
+            do {
+                self.sendPlaybackSession(session: try playbackSession.asDictionary())
+                call.resolve(try playbackSession.asDictionary())
+            } catch(let exception) {
+                NSLog("failed to convert session to json")
+                debugPrint(exception)
+                call.resolve([:])
+            }
             PlayerHandler.startPlayback(session: playbackSession!, playWhenReady: playWhenReady, playbackRate: playbackRate)
             self.sendMetadata()
-            call.resolve()
         } else { // Playing from the server
             sendPrepareMetadataEvent(itemId: libraryItemId!, playWhenReady: playWhenReady)
             ApiClient.startPlaybackSession(libraryItemId: libraryItemId!, episodeId: episodeId, forceTranscode: false) { session in
@@ -62,12 +70,12 @@ public class AbsAudioPlayer: CAPPlugin {
                     call.resolve([:])
                 }
                 
-                
                 PlayerHandler.startPlayback(session: session, playWhenReady: playWhenReady, playbackRate: playbackRate)
                 self.sendMetadata()
             }
         }
     }
+    
     @objc func closePlayback(_ call: CAPPluginCall) {
         NSLog("Close playback")
         

ios/App/Shared/models/DataClasses.swift

@@ -90,6 +90,8 @@ struct Metadata: Realmable, Codable {
     var seriesName: String?
     var feedUrl: String?
     
+    var authorDisplayName: String { self.authorName ?? "Unknown" }
+    
     init() {
         title = "Unknown"
         genres = []
@@ -251,6 +253,11 @@ struct AudioTrack: Realmable, Codable {
         }
         return false
     }
+    
+    func getLocalFile() -> LocalFile? {
+        guard let localFileId = self.localFileId else { return nil }
+        return Database.shared.getLocalFile(localFileId: localFileId)
+    }
 }
 
 struct FileMetadata: Realmable, Codable {

ios/App/Shared/models/LocalLibraryExtensions.swift

@@ -59,6 +59,12 @@ extension LocalLibraryItem {
         return total
     }
     
+    func getPodcastEpisode(episodeId: String?) -> PodcastEpisode? {
+        guard self.isPodcast else { return nil }
+        guard let episodes = self.media?.episodes else { return nil }
+        return episodes.first(where: { $0.id == episodeId })
+    }
+    
     func getPlaybackSession(episode: PodcastEpisode?) -> PlaybackSession {
         let localEpisodeId = episode?.id
         let sessionId = "play_local_\(UUID().uuidString)"
@@ -67,13 +73,13 @@ extension LocalLibraryItem {
         let mediaProgressId = (localEpisodeId != nil) ? "\(self.id)-\(localEpisodeId!)" : self.id
         let mediaProgress = Database.shared.getLocalMediaProgress(localMediaProgressId: mediaProgressId)
         
-        // TODO: Clean up add mediaType methods for displayTitle and displayAuthor
         let mediaMetadata = self.media?.metadata
-        let audioTracks = self.media?.tracks
-        let authorName = mediaMetadata?.authorName
+        let chapters = self.media?.chapters
+        var audioTracks = self.media?.tracks
+        let authorName = mediaMetadata?.authorDisplayName
         
-        if let episode = episode {
-            // TODO: Implement podcast
+        if let episode = episode, let track = episode.audioTrack {
+            audioTracks = [track]
         }
         
         let dateNow = Date().timeIntervalSince1970
@@ -81,18 +87,18 @@ extension LocalLibraryItem {
             id: sessionId,
             userId: self.serverUserId,
             libraryItemId: self.libraryItemId,
-            episodeId: episode?.id,
+            episodeId: episode?.serverEpisodeId,
             mediaType: self.mediaType,
-            chapters: [],
+            chapters: chapters ?? [],
             displayTitle: mediaMetadata?.title,
             displayAuthor: authorName,
-            coverPath: nil,
+            coverPath: self.coverContentUrl,
             duration: self.getDuration(),
-            playMethod: 3,
+            playMethod: PlayMethod.local.rawValue,
             startedAt: dateNow,
             updatedAt: 0,
             timeListening: 0.0,
-            audioTracks: [],
+            audioTracks: audioTracks ?? [],
             currentTime: mediaProgress?.currentTime ?? 0.0,
             libraryItem: nil,
             serverConnectionConfigId: self.serverConnectionConfigId,

ios/App/Shared/player/AudioPlayer.swift

@@ -286,6 +286,17 @@ class AudioPlayer: NSObject {
             let urlstr = "\(Store.serverConfig!.address)/s/item/\(itemId)/\(filenameEncoded ?? "")?token=\(Store.serverConfig!.token)"
             let url = URL(string: urlstr)!
             return AVURLAsset(url: url)
+        } else if (playbackSession.playMethod == PlayMethod.local.rawValue) {
+            guard let localFile = track.getLocalFile() else {
+                // Worst case we can stream the file
+                NSLog("Unable to play local file. Resulting to streaming \(track.localFileId ?? "Unknown")")
+                let filename = track.metadata?.filename ?? ""
+                let filenameEncoded = filename.addingPercentEncoding(withAllowedCharacters: NSCharacterSet.urlQueryAllowed)
+                let urlstr = "\(Store.serverConfig!.address)/s/item/\(itemId)/\(filenameEncoded ?? "")?token=\(Store.serverConfig!.token)"
+                let url = URL(string: urlstr)!
+                return AVURLAsset(url: url)
+            }
+            return AVURLAsset(url: localFile.contentPath)
         } else { // HLS Transcode
             let headers: [String: String] = [
                 "Authorization": "Bearer \(Store.serverConfig!.token)"

ios/App/Shared/util/Database.swift

@@ -131,6 +131,11 @@ class Database {
         }
     }
     
+    public func getLocalFile(localFileId: String) -> LocalFile? {
+        let realm = try! Realm()
+        return realm.object(ofType: LocalFile.self, forPrimaryKey: localFileId)
+    }
+    
     public func getDownloadItem(downloadItemId: String) -> DownloadItem? {
         let realm = try! Realm()
         return realm.object(ofType: DownloadItem.self, forPrimaryKey: downloadItemId)

ios/App/Shared/util/NowPlayingInfo.swift

@@ -15,6 +15,10 @@ struct NowPlayingMetadata {
     var title: String
     var author: String?
     var series: String?
+    var coverUrl: URL? {
+        guard let url = URL(string: "\(Store.serverConfig!.address)/api/items/\(itemId)/cover?token=\(Store.serverConfig!.token)") else { return nil }
+        return url
+    }
 }
 
 class NowPlayingInfo {
@@ -30,9 +34,17 @@ class NowPlayingInfo {
     public func setSessionMetadata(metadata: NowPlayingMetadata) {
         setMetadata(artwork: nil, metadata: metadata)
         
-        guard let url = URL(string: "\(Store.serverConfig!.address)/api/items/\(metadata.itemId)/cover?token=\(Store.serverConfig!.token)") else {
-            return
+        let isLocalItem = metadata.itemId.starts(with: "local_")
+        if isLocalItem {
+            guard let artworkUrl = metadata.artworkUrl else { return }
+            let coverImage = UIImage(contentsOfFile: artworkUrl)
+            guard let coverImage = coverImage else { return }
+            let artwork = MPMediaItemArtwork(boundsSize: coverImage.size) { _ -> UIImage in
+                return coverImage
             }
+            self.setMetadata(artwork: artwork, metadata: metadata)
+        } else {
+            guard let url = metadata.coverUrl else { return }
             ApiClient.getData(from: url) { [self] image in
                 guard let downloadedImage = image else {
                     return
@@ -44,6 +56,7 @@ class NowPlayingInfo {
                 self.setMetadata(artwork: artwork, metadata: metadata)
             }
         }
+    }
     public func update(duration: Double, currentTime: Double, rate: Float) {
         nowPlayingInfo[MPMediaItemPropertyPlaybackDuration] = duration
         nowPlayingInfo[MPNowPlayingInfoPropertyElapsedPlaybackTime] = currentTime