jellyfin-audio-player/src/utility/PlaybackService.ts

/**
* This is the code that will run tied to the player.
*
* The code here might keep running in the background.
*
* You should put everything here that should be tied to the playback but not the UI
* such as processing media buttons or analytics
*/

import TrackPlayer, { Event, State } from 'react-native-track-player';
import store from '@/store';
import { sendPlaybackEvent } from './JellyfinApi';

export default async function() {

    TrackPlayer.addEventListener(Event.RemotePlay, () => {
        TrackPlayer.play();
    });
    
    TrackPlayer.addEventListener(Event.RemotePause, () => {
        TrackPlayer.pause();
    });
    
    TrackPlayer.addEventListener(Event.RemoteNext, () => {
        TrackPlayer.skipToNext();
    });
    
    TrackPlayer.addEventListener(Event.RemotePrevious, () => {
        TrackPlayer.skipToPrevious();
    });
    
    TrackPlayer.addEventListener(Event.RemoteStop, () => {
        TrackPlayer.reset();
    });

    TrackPlayer.addEventListener(Event.RemoteSeek, (event) => {
        TrackPlayer.seekTo(event.position);
    });

    TrackPlayer.addEventListener(Event.PlaybackTrackChanged, async (e) => {
        // Retrieve the current settings from the Redux store
        const settings = store.getState().settings;

        // GUARD: Only report playback when the settings is enabled
        if (settings.enablePlaybackReporting && 'track' in e) {
            // GUARD: End the previous track if it's about to end
            if ('nextTrack' in e && typeof e.track === 'number') {
                sendPlaybackEvent('/Sessions/Playing/Stopped', settings.jellyfin, e.track);
            }

            sendPlaybackEvent('/Sessions/Playing', settings.jellyfin);
        }
    });

    TrackPlayer.addEventListener(Event.PlaybackProgressUpdated, () => {
        // Retrieve the current settings from the Redux store
        const settings = store.getState().settings;

        // GUARD: Only report playback when the settings is enabled
        if (settings.enablePlaybackReporting) {
            sendPlaybackEvent('/Sessions/Playing/Progress', settings.jellyfin);
        }

        // regularly check if sleeper is enabled, pause the audio after 30 minutes.
        if (settings.enableSleepTime && settings.dateTime !== undefined) {
            const dateSet = new Date(settings.dateTime.toString());
            const dateNow = new Date(Date.now());
            const diff = Math.abs(dateSet.getMinutes() - dateNow.getMinutes());

            console.log(`Difference: ${diff}`);

            if (diff >= 30 && dateNow >= dateSet) {
                console.log('Music Paused');
                TrackPlayer.pause();
            }
        }
    });

    TrackPlayer.addEventListener(Event.PlaybackState, (event) => {
        // GUARD: Only respond to stopped events
        if (event.state === State.Stopped) {
            // Retrieve the current settings from the Redux store
            const settings = store.getState().settings;

            // GUARD: Only report playback when the settings is enabled
            if (settings.enablePlaybackReporting) {
                sendPlaybackEvent('/Sessions/Playing/Stopped', settings.jellyfin);
            }
        }
    });
    
}