/// <summary>
/// Загрузка файла с удаленного ресурса по Url
/// </summary>
/// <param name="url">Url адрес представляющий собой ссылку на загрузку файла</param>
/// <returns>MethodResult где свойство Data хранить локальный путь к загруженному файлу</returns>
public MethodResult DownloadFile(string url)
{
var result = new MethodResult()
{
Success = false
};
HttpResponseMessage response = null;
Stream stream = null;
try
{
using (HttpClientHandler handler = new HttpClientHandler())
{
handler.AllowAutoRedirect = false;
using (HttpClient httpClient = new HttpClient(handler))
{
httpClient.Timeout = TimeSpan.FromMinutes(30);
using (HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Head, url))
using (response = httpClient.SendAsync(request).Result)
{
var location = response.Headers.Location;
if (location != null)
{
response = httpClient.GetAsync(location.OriginalString).Result;
stream = response.Content.ReadAsStreamAsync().Result;
}
else
{
stream = response.Content.ReadAsStreamAsync().Result;
}
string mediaType = response.Content.Headers.ContentType.MediaType;
string directoryPath = Path.Combine(Directory.GetCurrentDirectory(), "Download");
if (!Directory.Exists(directoryPath))
{
Directory.CreateDirectory(directoryPath);
}
string path = Path.Combine(directoryPath, Guid.NewGuid().ToString() + "." +
mediaType.Substring(mediaType.IndexOf('/') + 1)
);
using (var fs = new FileStream(path, FileMode.Create, FileAccess.Write))
{
stream.CopyTo(fs);
}
result.Data = path;
result.Success = true;
}
}
}
}
catch (Exception ex)
{
result.Message = ex.Message;
result.Success = false;
}
return(result);
}
