From 9e2740c84eb3dbb2f288aa018251dc98f1a68ae2 Mon Sep 17 00:00:00 2001
From: austinried <4966622+austinried@users.noreply.github.com>
Date: Tue, 29 Jun 2021 15:48:21 +0900
Subject: [PATCH] streaming tracks!

also managing the queue for playing from album view
---
 src/components/common/AlbumView.tsx    | 148 +++++++++++++++++--------
 src/components/common/BottomTabBar.tsx | 103 ++++++++++-------
 src/hooks/player.ts                    |  75 +++++++++++++
 src/hooks/subsonic.ts                  |  14 +++
 src/models/music.ts                    |   3 +
 src/playback/service.ts                |   4 +-
 src/state/music.ts                     |  10 +-
 src/styles/colors.ts                   |   4 +-
 src/subsonic/api.ts                    |   6 +-
 src/subsonic/params.ts                 |   7 ++
 10 files changed, 278 insertions(+), 96 deletions(-)
 create mode 100644 src/hooks/player.ts
 create mode 100644 src/hooks/subsonic.ts

diff --git a/src/components/common/AlbumView.tsx b/src/components/common/AlbumView.tsx
index 3191732..8fd1311 100644
--- a/src/components/common/AlbumView.tsx
+++ b/src/components/common/AlbumView.tsx
@@ -1,7 +1,9 @@
 import { useNavigation } from '@react-navigation/native';
 import { useAtomValue } from 'jotai/utils';
-import React, { useEffect } from 'react';
-import { ScrollView, Text, useWindowDimensions, View, Image, Pressable, GestureResponderEvent } from 'react-native';
+import React, { useEffect, useState } from 'react';
+import { GestureResponderEvent, Image, Pressable, ScrollView, Text, useWindowDimensions, View } from 'react-native';
+import { TrackPlayerEvents } from 'react-native-track-player';
+import { useCurrentTrackId, useSetQueue } from '../../hooks/player';
 import { albumAtomFamily } from '../../state/music';
 import colors from '../../styles/colors';
 import text from '../../styles/text';
@@ -24,15 +26,21 @@ const Button: React.FC<{
   title: string;
   onPress: (event: GestureResponderEvent) => void;
 }> = ({ title, onPress }) => {
+  const [opacity, setOpacity] = useState(1);
+
   return (
     <Pressable
       onPress={onPress}
+      onPressIn={() => setOpacity(0.6)}
+      onPressOut={() => setOpacity(1)}
+      onLongPress={() => setOpacity(1)}
       style={{
         backgroundColor: colors.accent,
         paddingHorizontal: 24,
         minHeight: 42,
         justifyContent: 'center',
         borderRadius: 1000,
+        opacity,
       }}
     >
       <Text style={{ ...text.button }}>{title}</Text>
@@ -40,13 +48,90 @@ const Button: React.FC<{
   );
 }
 
+const songEvents = [
+  TrackPlayerEvents.PLAYBACK_STATE,
+  TrackPlayerEvents.PLAYBACK_TRACK_CHANGED,
+]
+
+const SongItem: React.FC<{
+  id: string;
+  title: string
+  artist?: string;
+  onPress: (event: GestureResponderEvent) => void;
+}> = ({ id, title, artist, onPress }) => {
+  const [opacity, setOpacity] = useState(1);
+  const currentTrackId = useCurrentTrackId();
+
+  return (
+    <View
+      style={{
+        marginTop: 20,
+        marginLeft: 4,
+        flexDirection: 'row',
+        justifyContent: 'space-between',
+        alignItems: 'center',
+      }}
+    >
+      <Pressable
+        onPress={onPress}
+        onPressIn={() => setOpacity(0.6)}
+        onPressOut={() => setOpacity(1)}
+        onLongPress={() => setOpacity(1)}
+        style={{
+          flex: 1,
+          opacity,
+        }}
+      >
+        <Text style={{
+          ...text.songListTitle,
+          color: currentTrackId === id ? colors.accent : colors.text.primary,
+        }}>{title}</Text>
+        <Text style={text.songListSubtitle}>{artist}</Text>
+      </Pressable>
+      <View style={{
+        flexDirection: 'row',
+        alignItems: 'center',
+        marginLeft: 10,
+      }}>
+        {/* <Text style={text.songListSubtitle}>{secondsToTime(duration || 0)}</Text> */}
+        <Image
+          source={require('../../../res/star.png')}
+          style={{
+            height: 28,
+            width: 28,
+            tintColor: colors.text.secondary,
+            marginLeft: 10,
+          }}
+        />
+        <Image
+          source={require('../../../res/more_vertical.png')}
+          style={{
+            height: 28,
+            width: 28,
+            tintColor: colors.text.secondary,
+            marginLeft: 12,
+            marginRight: 2,
+          }}
+        />
+      </View>
+    </View>
+  );
+}
+
 const AlbumDetails: React.FC<{
   id: string,
 }> = ({ id }) => {
   const album = useAtomValue(albumAtomFamily(id));
   const layout = useWindowDimensions();
+  const setQueue = useSetQueue();
 
-  const coverSize = layout.width - layout.width / 2;
+  const coverSize = layout.width - layout.width / 2.5;
+
+  if (!album) {
+    return (
+      <Text style={text.paragraph}>No Album</Text>
+    );
+  }
 
   return (
     <ScrollView
@@ -61,7 +146,7 @@ const AlbumDetails: React.FC<{
       <AlbumCover
         height={coverSize}
         width={coverSize}
-        coverArtUri={album?.coverArtUri}
+        coverArtUri={album.coverArtUri}
       />
 
       <Text style={{
@@ -69,7 +154,7 @@ const AlbumDetails: React.FC<{
         marginTop: 12,
         width: layout.width - layout.width / 8,
         textAlign: 'center',
-      }}>{album?.name}</Text>
+      }}>{album.name}</Text>
 
       <Text style={{
         ...text.itemSubtitle,
@@ -78,14 +163,14 @@ const AlbumDetails: React.FC<{
         marginBottom: 20,
         width: layout.width - layout.width / 8,
         textAlign: 'center',
-      }}>{album?.artist}{album?.year ? ` • ${album.year}` : ''}</Text>
+      }}>{album.artist}{album.year ? ` • ${album.year}` : ''}</Text>
 
       <View style={{
         flexDirection: 'row'
       }}>
         <Button
           title='Play Album'
-          onPress={() => null}
+          onPress={() => setQueue(album.songs, album.songs[0].id)}
         />
         {/* <View style={{ width: 6, }}></View>
         <Button
@@ -99,49 +184,16 @@ const AlbumDetails: React.FC<{
         marginTop: 20,
         marginBottom: 30,
       }}>
-      {album?.songs
+      {album.songs
         .sort((a, b) => (a.track as number) - (b.track as number))
         .map(s => (
-          <View key={s.id} style={{
-            marginTop: 20,
-            marginLeft: 4,
-            flexDirection: 'row',
-            justifyContent: 'space-between',
-            alignItems: 'center',
-          }}>
-            <View style={{
-              flexShrink: 1,
-            }}>
-              <Text style={text.songListTitle}>{s.title}</Text>
-              <Text style={text.songListSubtitle}>{s.artist}</Text>
-            </View>
-            <View style={{
-              flexDirection: 'row',
-              alignItems: 'center',
-              marginLeft: 10,
-            }}>
-              {/* <Text style={text.songListSubtitle}>{secondsToTime(s.duration || 0)}</Text> */}
-              <Image
-                source={require('../../../res/star.png')}
-                style={{
-                  height: 28,
-                  width: 28,
-                  tintColor: colors.text.secondary,
-                  marginLeft: 10,
-                }}
-              />
-              <Image
-                source={require('../../../res/more_vertical.png')}
-                style={{
-                  height: 28,
-                  width: 28,
-                  tintColor: colors.text.secondary,
-                  marginLeft: 12,
-                  marginRight: 2,
-                }}
-              />
-            </View>
-          </View>
+          <SongItem 
+            key={s.id}
+            id={s.id}
+            title={s.title}
+            artist={s.artist}
+            onPress={() => setQueue(album.songs, s.id)}
+          />
       ))}
       </View>
 
diff --git a/src/components/common/BottomTabBar.tsx b/src/components/common/BottomTabBar.tsx
index 5997b17..c7a89ab 100644
--- a/src/components/common/BottomTabBar.tsx
+++ b/src/components/common/BottomTabBar.tsx
@@ -1,9 +1,10 @@
-import React from 'react';
+import React, { useState } from 'react';
 import { Text, View, Image, Pressable } from 'react-native';
 import { BottomTabBarProps } from '@react-navigation/bottom-tabs';
 import textStyles from '../../styles/text';
 import colors from '../../styles/colors';
 import FastImage from 'react-native-fast-image';
+import { useNavigation } from '@react-navigation/native';
 
 const icons: {[key: string]: any} = {
   home: {
@@ -24,6 +25,57 @@ const icons: {[key: string]: any} = {
   },
 }
 
+const BottomTabButton: React.FC<{
+  routeKey: string;
+  label: string;
+  name: string;
+  isFocused: boolean;
+  img: { regular: number, fill: number };
+  navigation: any;
+}> = ({ routeKey, label, name, isFocused, img, navigation }) => {
+  const [opacity, setOpacity] = useState(1);
+
+  const onPress = () => {
+    const event = navigation.emit({
+      type: 'tabPress',
+      target: routeKey,
+      canPreventDefault: true,
+    });
+
+    if (!isFocused && !event.defaultPrevented) {
+      navigation.navigate(name);
+    }
+  };
+
+  return (
+    <Pressable
+      onPress={onPress}
+      onPressIn={() => setOpacity(0.6)}
+      onPressOut={() => setOpacity(1)}
+      style={{
+        alignItems: 'center',
+        flex: 1,
+        opacity,
+      }}
+    >
+      <FastImage
+        source={isFocused ? img.fill : img.regular}
+        style={{
+          height: 26,
+          width: 26,
+        }}
+        tintColor={isFocused ? colors.text.primary : colors.text.secondary}
+      />
+      <Text style={{
+        ...textStyles.xsmall,
+        color: isFocused ? colors.text.primary : colors.text.secondary,
+      }}>
+        {label}
+      </Text>
+    </Pressable>
+  );
+}
+
 const BottomTabBar: React.FC<BottomTabBarProps> = ({ state, descriptors, navigation }) => {
   return (
     <View style={{
@@ -43,46 +95,15 @@ const BottomTabBar: React.FC<BottomTabBarProps> = ({ state, descriptors, navigat
               ? options.title
               : route.name;
 
-        const isFocused = state.index === index;
-        const img = icons[options.icon];
-
-        const onPress = () => {
-          const event = navigation.emit({
-            type: 'tabPress',
-            target: route.key,
-            canPreventDefault: true,
-          });
-
-          if (!isFocused && !event.defaultPrevented) {
-            navigation.navigate(route.name);
-          }
-        };
-
-        return (
-          <Pressable
-            key={route.key}
-            onPress={onPress}
-            style={{
-              alignItems: 'center',
-              flex: 1,
-            }}
-          >
-            <FastImage
-              source={isFocused ? img.fill : img.regular}
-              style={{
-                height: 26,
-                width: 26,
-              }}
-              tintColor={isFocused ? colors.text.primary : colors.text.secondary}
-            />
-            <Text style={{
-              ...textStyles.xsmall,
-              color: isFocused ? colors.text.primary : colors.text.secondary,
-            }}>
-              {label}
-            </Text>
-          </Pressable>
-        );
+        return <BottomTabButton
+          key={route.key}
+          routeKey={route.key}
+          label={label}
+          name={route.name}
+          isFocused={state.index === index}
+          img={icons[options.icon]}
+          navigation={navigation}
+        />;
       })}
     </View>
   );
diff --git a/src/hooks/player.ts b/src/hooks/player.ts
new file mode 100644
index 0000000..ca8feea
--- /dev/null
+++ b/src/hooks/player.ts
@@ -0,0 +1,75 @@
+import { useState } from "react";
+import TrackPlayer, { STATE_NONE, STATE_STOPPED, Track, TrackPlayerEvents, useTrackPlayerEvents } from "react-native-track-player";
+import { Song } from "../models/music";
+
+function mapSongToTrack(song: Song): Track {
+  return {
+    id: song.id,
+    title: song.title,
+    artist: song.artist || 'Unknown Artist',
+    url: song.streamUri,
+    artwork: song.coverArtUri,
+  }
+}
+
+const currentTrackEvents = [
+  TrackPlayerEvents.PLAYBACK_STATE,
+  TrackPlayerEvents.PLAYBACK_TRACK_CHANGED,
+  TrackPlayerEvents.REMOTE_STOP,
+]
+
+export const useCurrentTrackId = () => {
+  const [currentTrackId, setCurrentTrackId] = useState<string | null>(null);
+
+  useTrackPlayerEvents(currentTrackEvents, async (event) => {
+    switch (event.type) {
+      case TrackPlayerEvents.PLAYBACK_STATE:
+        switch (event.state) {
+          case STATE_NONE:
+          case STATE_STOPPED:
+            setCurrentTrackId(null);
+            break;
+        }
+        break;
+      case TrackPlayerEvents.PLAYBACK_TRACK_CHANGED:
+        setCurrentTrackId(await TrackPlayer.getCurrentTrack());
+        break;
+      case TrackPlayerEvents.REMOTE_STOP:
+        setCurrentTrackId(null);
+        break;
+      default:
+        break;
+    }
+  });
+
+  return currentTrackId;
+}
+
+export const useSetQueue = () => {
+  return async (songs: Song[], playId?: string) => {
+    await TrackPlayer.reset();
+    const tracks = songs.map(mapSongToTrack);
+
+    if (!playId) {
+      await TrackPlayer.add(tracks);
+    } else if (playId === tracks[0].id) {
+      await TrackPlayer.add(tracks);
+      await TrackPlayer.play();
+    } else {
+      const playIndex = tracks.findIndex(t => t.id === playId);
+      const tracks1 = tracks.slice(0, playIndex);
+      const tracks2 = tracks.slice(playIndex);
+
+      console.log('tracks1: ' + JSON.stringify(tracks1.map(t => t.title)));
+      console.log('tracks2: ' + JSON.stringify(tracks2.map(t => t.title)));
+
+      await TrackPlayer.add(tracks2);
+      await TrackPlayer.play();
+
+      await TrackPlayer.add(tracks1, playId);
+
+      const queue = await TrackPlayer.getQueue();
+      console.log('queue: ' + JSON.stringify(queue.map(t => t.title)));
+    }
+  }
+}
diff --git a/src/hooks/subsonic.ts b/src/hooks/subsonic.ts
new file mode 100644
index 0000000..e7c07eb
--- /dev/null
+++ b/src/hooks/subsonic.ts
@@ -0,0 +1,14 @@
+import { useAtomValue } from "jotai/utils"
+import { activeServerAtom } from "../state/settings"
+import { SubsonicApiClient } from "../subsonic/api";
+
+export const useSubsonicApi = () => {
+  const activeServer = useAtomValue(activeServerAtom);
+
+  return () => {
+    if (!activeServer) {
+      return undefined;
+    }
+    return new SubsonicApiClient(activeServer);
+  }
+}
\ No newline at end of file
diff --git a/src/models/music.ts b/src/models/music.ts
index ae0df15..6d70bf2 100644
--- a/src/models/music.ts
+++ b/src/models/music.ts
@@ -42,6 +42,9 @@ export interface Song {
   discNumber?: number;
   created?: Date;
   starred?: Date;
+
+  streamUri: string;
+  coverArtUri?: string,
 }
 
 export type DownloadedSong = {
diff --git a/src/playback/service.ts b/src/playback/service.ts
index bbb8df6..f716319 100644
--- a/src/playback/service.ts
+++ b/src/playback/service.ts
@@ -17,5 +17,7 @@ module.exports = async function() {
       TrackPlayer.play();
     }
   });
-
+  
+  TrackPlayer.addEventListener('remote-next', () => TrackPlayer.skipToNext().catch(() => {}));
+  TrackPlayer.addEventListener('remote-previous', () => TrackPlayer.skipToPrevious().catch(() => {}));
 };
diff --git a/src/state/music.ts b/src/state/music.ts
index d8cd147..09ec7c8 100644
--- a/src/state/music.ts
+++ b/src/state/music.ts
@@ -82,8 +82,12 @@ function mapAlbumID3(album: AlbumID3Element, client: SubsonicApiClient): Album {
   }
 }
 
-function mapChild(child: ChildElement): Song {
-  return { ...child }
+function mapChildToSong(child: ChildElement, client: SubsonicApiClient): Song {
+  return {
+    ...child,
+    streamUri: client.streamUri({ id: child.id }),
+    coverArtUri: child.coverArt ? client.getCoverArtUri({ id: child.coverArt }) : undefined,
+  }
 }
 
 function mapAlbumID3WithSongs(
@@ -93,6 +97,6 @@ function mapAlbumID3WithSongs(
 ): AlbumWithSongs {
   return {
     ...mapAlbumID3(album, client),
-    songs: songs.map(s => mapChild(s)),
+    songs: songs.map(s => mapChildToSong(s, client)),
   }
 }
diff --git a/src/styles/colors.ts b/src/styles/colors.ts
index 25119e5..50bd00d 100644
--- a/src/styles/colors.ts
+++ b/src/styles/colors.ts
@@ -8,6 +8,6 @@ export default {
     mid: '#191919',
     low: '#000000',
   },
-  accent: '#c260e5',
-  accentLow: '#50285e',
+  accent: '#b134db',
+  accentLow: '#511c63',
 }
diff --git a/src/subsonic/api.ts b/src/subsonic/api.ts
index a9f8b6c..1a1b149 100644
--- a/src/subsonic/api.ts
+++ b/src/subsonic/api.ts
@@ -1,6 +1,6 @@
 import { DOMParser } from 'xmldom';
 import RNFS from 'react-native-fs';
-import { GetAlbumList2Params, GetAlbumListParams, GetAlbumParams, GetArtistInfo2Params, GetArtistInfoParams, GetCoverArtParams, GetIndexesParams, GetMusicDirectoryParams } from './params';
+import { GetAlbumList2Params, GetAlbumListParams, GetAlbumParams, GetArtistInfo2Params, GetArtistInfoParams, GetCoverArtParams, GetIndexesParams, GetMusicDirectoryParams, StreamParams } from './params';
 import { GetAlbumList2Response, GetAlbumListResponse, GetAlbumResponse, GetArtistInfo2Response, GetArtistInfoResponse, GetArtistsResponse, GetIndexesResponse, GetMusicDirectoryResponse, SubsonicResponse } from './responses';
 import { Server } from '../models/settings';
 import paths from '../paths';
@@ -193,4 +193,8 @@ export class SubsonicApiClient {
   getCoverArtUri(params: GetCoverArtParams): string {
     return this.buildUrl('getCoverArt', params);
   }
+
+  streamUri(params: StreamParams): string {
+    return this.buildUrl('stream', params);
+  }
 }
diff --git a/src/subsonic/params.ts b/src/subsonic/params.ts
index bb8d8c7..2f3cc3b 100644
--- a/src/subsonic/params.ts
+++ b/src/subsonic/params.ts
@@ -62,3 +62,10 @@ export type GetCoverArtParams = {
   id: string;
   size?: string;
 }
+
+export type StreamParams = {
+  id: string;
+  maxBitRate?: number;
+  format?: string;
+  estimateContentLength?: boolean;
+}