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AssetManager.cs
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AssetManager.cs
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namespace MusicBeePlugin.DiscordTools.Assets
{
using System;
using System.Collections.Concurrent;
using System.Diagnostics;
using System.Threading;
using System.Threading.Tasks;
public class AssetManager : IDisposable
{
public const string ASSET_LOGO = "logo";
public const string ASSET_PLAY = "play";
public const string ASSET_PAUSE = "pause";
public const string ASSET_STOP = "stop";
private readonly ConcurrentDictionary<string, string> _uploadInProgress = new ConcurrentDictionary<string, string>();
private readonly IAssetUploader _assetUploader;
public bool initialised;
private readonly SemaphoreSlim _semaphore = new SemaphoreSlim(1, 1);
public AssetManager(IAssetUploader uploader)
{
_assetUploader = uploader;
}
public async void Init()
{
await _semaphore.WaitAsync();
try
{
if (initialised)
{
return;
}
await _assetUploader.Init();
await _assetUploader.GetAssets();
initialised = true;
}
catch
{
initialised = false;
}
finally
{
_semaphore.Release();
}
}
public async Task<UploadResult> UploadAsset(AlbumCoverData artworkData)
{
Debug.WriteLine($"Get key for asset string: {artworkData}...", "DiscordBee");
if (!artworkData.HasCover)
{
return null;
}
Debug.WriteLine($" --> Uploading asset {artworkData} ...", "DiscordBee");
if (_uploadInProgress.ContainsKey(artworkData.Hash))
{
Debug.WriteLine($"Skipping upload for asset {artworkData} because its already being uploaded", "DiscordBee");
return null;
}
_uploadInProgress.TryAdd(artworkData.Hash, "");
try
{
var result = await _assetUploader.UploadAsset(artworkData);
Debug.WriteLine($" <-- Uploading asset {artworkData} ... finished", "DiscordBee");
return result;
}
catch (Exception e)
{
Debug.WriteLine($" <-- Uploading asset {artworkData} ... FAILED with {e.Message}", "DiscordBee");
return null;
}
finally
{
_uploadInProgress.TryRemove(artworkData.Hash, out _);
}
}
public bool IsAssetCached(AlbumCoverData artworkData)
{
if (!artworkData.HasCover)
{
Debug.WriteLine("Artwork is empty -> using default", "DiscordBee");
return false;
}
if (_assetUploader.IsAssetCached(artworkData))
{
Debug.WriteLine($"Key for asset {artworkData} returned from cache", "DiscordBee");
return true;
}
return false;
}
public void Dispose()
{
initialised = false;
_assetUploader.Dispose();
}
}
}