public async Task Attachment()
{
using (var client = new CouchClient("http://*****:*****@"{runningPath}\Assets\luke.txt", MediaTypeNames.Text.Plain);
luke = await rebels.CreateAsync(luke).ConfigureAwait(false);
Assert.Equal("Luke", luke.Name);
Assert.NotEmpty(luke.Attachments);
CouchAttachment attachment = luke.Attachments.First();
Assert.NotNull(attachment);
Assert.NotNull(attachment.Uri);
// Download
var downloadFilePath = await rebels.DownloadAttachment(attachment, $@"{runningPath}\Assets", "luke-downloaded.txt");
Assert.True(File.Exists(downloadFilePath));
File.Delete(downloadFilePath);
// Find
luke = await rebels.FindAsync(luke.Id).ConfigureAwait(false);
Assert.Equal(19, luke.Age);
attachment = luke.Attachments.First();
Assert.NotNull(attachment);
Assert.NotNull(attachment.Uri);
Assert.NotNull(attachment.Digest);
Assert.NotNull(attachment.Length);
// Update
luke.Surname = "Skywalker";
luke = await rebels.CreateOrUpdateAsync(luke).ConfigureAwait(false);
Assert.Equal("Skywalker", luke.Surname);
await client.DeleteDatabaseAsync <Rebel>().ConfigureAwait(false);
}
}
/// <summary>
/// Asynchronously downloads a specific attachment.
/// </summary>
/// <param name="attachment">The attachment to download.</param>
/// <param name="localFolderPath">Path of local folder where file is to be downloaded.</param>
/// <param name="localFileName">Name of local file. If not specified, the source filename (from Content-Dispostion header, or last segment of the URL) is used.</param>
/// <param name="bufferSize">Buffer size in bytes. Default is 4096.</param>
/// <returns>The path of the downloaded file.</returns>
public async Task <string> DownloadAttachment(CouchAttachment attachment, string localFolderPath, string localFileName = null, int bufferSize = 4096)
{
if (attachment.Uri == null)
{
throw new InvalidOperationException("The attachment is not uploaded yet.");
}
return(await NewRequest()
.AppendPathSegment(attachment.DocumentId)
.AppendPathSegment(Uri.EscapeUriString(attachment.Name))
.WithHeader("If-Match", attachment.DocumentRev)
.DownloadFileAsync(localFolderPath, localFileName, bufferSize)
.ConfigureAwait(false));
}
public async Task Attachment()
{
var luke = new Rebel {
Name = "Luke", Age = 19
};
var runningPath = Directory.GetCurrentDirectory();
// Create
luke.Attachments.AddOrUpdate($@"{runningPath}\Assets\luke.txt", MediaTypeNames.Text.Plain);
luke = await _rebels.AddAsync(luke);
Assert.Equal("Luke", luke.Name);
Assert.NotEmpty(luke.Attachments);
CouchAttachment attachment = luke.Attachments.First();
Assert.NotNull(attachment);
Assert.NotNull(attachment.Uri);
// Download
var downloadFilePath = await _rebels.DownloadAttachmentAsync(attachment, $@"{runningPath}\Assets", "luke-downloaded.txt");
Assert.True(File.Exists(downloadFilePath));
File.Delete(downloadFilePath);
// Find
luke = await _rebels.FindAsync(luke.Id);
Assert.Equal(19, luke.Age);
attachment = luke.Attachments.First();
Assert.NotNull(attachment);
Assert.NotNull(attachment.Uri);
Assert.NotNull(attachment.Digest);
Assert.NotNull(attachment.Length);
// Update
luke.Surname = "Skywalker";
luke = await _rebels.AddOrUpdateAsync(luke);
Assert.Equal("Skywalker", luke.Surname);
}
