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using System;
using System.IO;
using System.Threading.Tasks;
using MediaBrowser.Model.ClientLog;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Controller.ClientEvent
{
/// <inheritdoc />
public class ClientEventLogger : IClientEventLogger
{
private const string LogString = "[{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz}] [{Level}] [{ClientName}:{ClientVersion}]: UserId: {UserId} DeviceId: {DeviceId}{NewLine}{Message}";
private readonly ILogger<ClientEventLogger> _logger;
private readonly IServerApplicationPaths _applicationPaths;
/// <summary>
/// Initializes a new instance of the <see cref="ClientEventLogger"/> class.
/// </summary>
/// <param name="logger">Instance of the <see cref="ILogger{ClientEventLogger}"/> interface.</param>
/// <param name="applicationPaths">Instance of the <see cref="IServerApplicationPaths"/> interface.</param>
public ClientEventLogger(
ILogger<ClientEventLogger> logger,
IServerApplicationPaths applicationPaths)
{
_logger = logger;
_applicationPaths = applicationPaths;
}
/// <inheritdoc />
public void Log(ClientLogEvent clientLogEvent)
{
_logger.Log(
LogLevel.Critical,
LogString,
clientLogEvent.Timestamp,
clientLogEvent.Level.ToString(),
clientLogEvent.ClientName,
clientLogEvent.ClientVersion,
clientLogEvent.UserId ?? Guid.Empty,
clientLogEvent.DeviceId,
Environment.NewLine,
clientLogEvent.Message);
}
/// <inheritdoc />
public async Task WriteFileAsync(string fileName, Stream fileContents)
{
// Force naming convention: upload_YYYYMMDD_$name
fileName = $"upload_{DateTime.UtcNow:yyyyMMdd}_{fileName}";
var logFilePath = Path.Combine(_applicationPaths.LogDirectoryPath, fileName);
await using var fileStream = new FileStream(logFilePath, FileMode.CreateNew, FileAccess.Write, FileShare.None);
await fileContents.CopyToAsync(fileStream).ConfigureAwait(false);
await fileStream.FlushAsync().ConfigureAwait(false);
}
}
}
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