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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Diagnostics.CodeAnalysis;
using Microsoft.Extensions.Logging;
using Microsoft.Net.Http.Headers;
namespace Microsoft.AspNetCore.Http.Result;
internal abstract partial class FileResult
{
private string? _fileDownloadName;
/// <summary>
/// Creates a new <see cref="FileResult"/> instance with
/// the provided <paramref name="contentType"/>.
/// </summary>
/// <param name="contentType">The Content-Type header of the response.</param>
protected FileResult(string? contentType)
{
ContentType = contentType ?? "application/octet-stream";
}
/// <summary>
/// Gets the Content-Type header for the response.
/// </summary>
public string ContentType { get; }
/// <summary>
/// Gets the file name that will be used in the Content-Disposition header of the response.
/// </summary>
[AllowNull]
public string FileDownloadName
{
get { return _fileDownloadName ?? string.Empty; }
init { _fileDownloadName = value; }
}
/// <summary>
/// Gets or sets the last modified information associated with the <see cref="FileResult"/>.
/// </summary>
public DateTimeOffset? LastModified { get; init; }
/// <summary>
/// Gets or sets the etag associated with the <see cref="FileResult"/>.
/// </summary>
public EntityTagHeaderValue? EntityTag { get; init; }
/// <summary>
/// Gets or sets the value that enables range processing for the <see cref="FileResult"/>.
/// </summary>
public bool EnableRangeProcessing { get; init; }
protected static partial class Log
{
public static void ExecutingFileResult(ILogger logger, FileResult fileResult)
{
if (logger.IsEnabled(LogLevel.Information))
{
var fileResultType = fileResult.GetType().Name;
ExecutingFileResultWithNoFileName(logger, fileResultType, fileResult.FileDownloadName);
}
}
public static void ExecutingFileResult(ILogger logger, FileResult fileResult, string fileName)
{
if (logger.IsEnabled(LogLevel.Information))
{
var fileResultType = fileResult.GetType().Name;
ExecutingFileResult(logger, fileResultType, fileName, fileResult.FileDownloadName);
}
}
[LoggerMessage(1, LogLevel.Information,
"Executing {FileResultType}, sending file with download name '{FileDownloadName}'.",
EventName = "ExecutingFileResultWithNoFileName",
SkipEnabledCheck = true)]
private static partial void ExecutingFileResultWithNoFileName(ILogger logger, string fileResultType, string fileDownloadName);
[LoggerMessage(2, LogLevel.Information,
"Executing {FileResultType}, sending file '{FileDownloadPath}' with download name '{FileDownloadName}'.",
EventName = "ExecutingFileResult",
SkipEnabledCheck = true)]
private static partial void ExecutingFileResult(ILogger logger, string fileResultType, string fileDownloadPath, string fileDownloadName);
}
}
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