From 7c6faf66c1834c56dac6b009792555aa87580592 Mon Sep 17 00:00:00 2001
From: antonio <antoniocappiello.play@gmail.com>
Date: Sun, 13 Aug 2023 23:18:17 +0200
Subject: [PATCH] feat: implemented logic for track download with codec and
 bitrate definition

---
 .../tempo/util/MappingUtil.java               | 15 ++++--
 .../tempo/util/MusicUtil.java                 | 49 ++++++++++++++++++-
 2 files changed, 59 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/com/cappielloantonio/tempo/util/MappingUtil.java b/app/src/main/java/com/cappielloantonio/tempo/util/MappingUtil.java
index ee9f6423..2ea5f8fd 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/util/MappingUtil.java
+++ b/app/src/main/java/com/cappielloantonio/tempo/util/MappingUtil.java
@@ -10,6 +10,8 @@ import androidx.media3.common.MimeTypes;
 import androidx.media3.common.util.UnstableApi;
 
 import com.cappielloantonio.tempo.App;
+import com.cappielloantonio.tempo.model.Download;
+import com.cappielloantonio.tempo.repository.DownloadRepository;
 import com.cappielloantonio.tempo.subsonic.models.Child;
 import com.cappielloantonio.tempo.subsonic.models.InternetRadioStation;
 import com.cappielloantonio.tempo.subsonic.models.PodcastEpisode;
@@ -115,11 +117,11 @@ public class MappingUtil {
                 )
                 .setRequestMetadata(
                         new MediaItem.RequestMetadata.Builder()
-                                .setMediaUri(MusicUtil.getDownloadUri(media.getId()))
+                                .setMediaUri(Preferences.preferTranscodedDownload() ? MusicUtil.getTranscodedDownloadUri(media.getId()) : MusicUtil.getDownloadUri(media.getId()))
                                 .build()
                 )
                 .setMimeType(MimeTypes.BASE_TYPE_AUDIO)
-                .setUri(MusicUtil.getDownloadUri(media.getId()))
+                .setUri(Preferences.preferTranscodedDownload() ? MusicUtil.getTranscodedDownloadUri(media.getId()) : MusicUtil.getDownloadUri(media.getId()))
                 .build();
     }
 
@@ -216,13 +218,18 @@ public class MappingUtil {
 
     private static Uri getUri(Child media) {
         return DownloadUtil.getDownloadTracker(App.getContext()).isDownloaded(media.getId())
-                ? MusicUtil.getDownloadUri(media.getId())
+                ? getDownloadUri(media.getId())
                 : MusicUtil.getStreamUri(media.getId());
     }
 
     private static Uri getUri(PodcastEpisode podcastEpisode) {
         return DownloadUtil.getDownloadTracker(App.getContext()).isDownloaded(podcastEpisode.getId())
-                ? MusicUtil.getDownloadUri(podcastEpisode.getId())
+                ? getDownloadUri(podcastEpisode.getId())
                 : MusicUtil.getStreamUri(podcastEpisode.getId());
     }
+
+    private static Uri getDownloadUri(String id) {
+        Download download = new DownloadRepository().getDownload(id);
+        return download != null && !download.getDownloadUri().isEmpty() ? Uri.parse(download.getDownloadUri()) : MusicUtil.getDownloadUri(id);
+    }
 }
diff --git a/app/src/main/java/com/cappielloantonio/tempo/util/MusicUtil.java b/app/src/main/java/com/cappielloantonio/tempo/util/MusicUtil.java
index b50071f2..09315dbe 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/util/MusicUtil.java
+++ b/app/src/main/java/com/cappielloantonio/tempo/util/MusicUtil.java
@@ -90,6 +90,40 @@ public class MusicUtil {
         return Uri.parse(uri.toString());
     }
 
+    public static Uri getTranscodedDownloadUri(String id) {
+        Map<String, String> params = App.getSubsonicClientInstance(false).getParams();
+
+        StringBuilder uri = new StringBuilder();
+
+        uri.append(App.getSubsonicClientInstance(false).getUrl());
+        uri.append("stream");
+
+        if (params.containsKey("u") && params.get("u") != null)
+            uri.append("?u=").append(params.get("u"));
+        if (params.containsKey("p") && params.get("p") != null)
+            uri.append("&p=").append(params.get("p"));
+        if (params.containsKey("s") && params.get("s") != null)
+            uri.append("&s=").append(params.get("s"));
+        if (params.containsKey("t") && params.get("t") != null)
+            uri.append("&t=").append(params.get("t"));
+        if (params.containsKey("v") && params.get("v") != null)
+            uri.append("&v=").append(params.get("v"));
+        if (params.containsKey("c") && params.get("c") != null)
+            uri.append("&c=").append(params.get("c"));
+
+        if (!Preferences.isServerPrioritizedInTranscodedDownload())
+            uri.append("&maxBitRate=").append(getBitratePreferenceForDownload());
+        if (!Preferences.isServerPrioritizedInTranscodedDownload())
+            uri.append("&format=").append(getTranscodingFormatPreferenceForDownload());
+
+        uri.append("&id=").append(id);
+
+        Log.d(TAG, "getTranscodedDownloadUri: " + uri);
+
+        return Uri.parse(uri.toString());
+    }
+
+
     public static String getReadableDurationString(long duration, boolean millis) {
         long minutes;
         long seconds;
@@ -213,6 +247,19 @@ public class MusicUtil {
         }
     }
 
+    public static String getBitratePreferenceForDownload() {
+        String audioTranscodeFormat = getTranscodingFormatPreferenceForDownload();
+
+        if (audioTranscodeFormat.equals("raw"))
+            return "0";
+
+        return Preferences.getBitrateTranscodedDownload();
+    }
+
+    public static String getTranscodingFormatPreferenceForDownload() {
+        return Preferences.getAudioTranscodeFormatTranscodedDownload();
+    }
+
     public static List<Child> limitPlayableMedia(List<Child> toLimit, int position) {
         if (!toLimit.isEmpty() && toLimit.size() > Constants.PLAYABLE_MEDIA_LIMIT) {
             int from = position < Constants.PRE_PLAYABLE_MEDIA ? 0 : position - Constants.PRE_PLAYABLE_MEDIA;
@@ -225,7 +272,7 @@ public class MusicUtil {
     }
 
     public static int getPlayableMediaPosition(int initialPosition) {
-        return initialPosition > Constants.PLAYABLE_MEDIA_LIMIT ? Constants.PRE_PLAYABLE_MEDIA : initialPosition;
+        return Math.min(initialPosition, Constants.PRE_PLAYABLE_MEDIA);
     }
 
     private static ConnectivityManager getConnectivityManager() {