75 lines
2.4 KiB
C#
75 lines
2.4 KiB
C#
using System.Diagnostics;
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using Amazon.S3;
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using Microsoft.EntityFrameworkCore;
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using NostrStreamer.Database;
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namespace NostrStreamer.Services.Thumbnail;
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public class S3ThumbnailService(Config config, ILogger<S3ThumbnailService> logger, StreamerContext context)
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: BaseThumbnailService(config, logger), IThumbnailService
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{
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private readonly AmazonS3Client _client = config.S3Store.CreateClient();
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public async Task GenerateThumb(UserStream stream)
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{
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try
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{
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var sw = Stopwatch.StartNew();
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var path = await GenerateThumbnail(stream);
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var tGen = sw.Elapsed;
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var s3Path = MapPath(stream.Id);
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sw.Restart();
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await using var fs = new FileStream(path, FileMode.Open, FileAccess.Read);
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await _client.PutObjectAsync(new()
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{
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BucketName = Config.S3Store.BucketName,
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Key = s3Path,
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InputStream = fs,
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AutoCloseStream = false,
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AutoResetStreamPosition = false,
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ContentType = "image/jpeg",
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DisablePayloadSigning = Config.S3Store.DisablePayloadSigning
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});
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var uri = _client.GetPreSignedURL(new()
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{
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BucketName = Config.S3Store.BucketName,
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Key = s3Path,
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Expires = DateTime.UtcNow.AddSeconds(600_000)
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});
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var ub = new UriBuilder(uri)
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{
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Scheme = Config.S3Store.PublicHost.Scheme,
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Host = Config.S3Store.PublicHost.Host,
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Port = Config.S3Store.PublicHost.Port
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};
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var tUpload = sw.Elapsed;
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sw.Restart();
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await context.Streams.Where(a => a.Id == stream.Id)
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.ExecuteUpdateAsync(o => o.SetProperty(v => v.Thumbnail, ub.Uri.ToString()));
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var tDbUpdate = sw.Elapsed;
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stream.Thumbnail = ub.Uri.ToString();
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fs.Close();
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File.Delete(path);
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Logger.LogInformation("{id} generated={tg:#,##0}ms, uploaded={tu:#,##0}ms, db={td:#,##0}ms", stream.Id,
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tGen.TotalMilliseconds,
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tUpload.TotalMilliseconds, tDbUpdate.TotalMilliseconds);
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}
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catch (Exception ex)
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{
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Logger.LogWarning("Failed to generate {id} thumbnail {msg}", stream.Id, ex.Message);
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}
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}
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private string MapPath(Guid id)
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{
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return $"{id}/thumb.jpg";
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}
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} |