internal static string MapUpdateFileOrFolderCustomMetadataRequest(FileOrFolderCustomMetadataProperties properties)
{
var jsonParams = new List <string>();
foreach (var kvp in properties)
{
jsonParams.Add("\"" + kvp.Key + "\" : \"" + kvp.Value + "\"");
}
var content = "{" + string.Join(",", jsonParams) + "}";
return(content);
}
/// <summary>
/// Uses Metadata API to update the custom metadata for a given file or folder
/// </summary>
/// <param name="path">Full path to file or folder</param>
/// <param name="sectionName">The custom metadata section name (aka namespace name)</param>
/// <param name="properties">The custom metadata properties (aka namespace keys)</param>
/// <returns></returns>
public async Task <bool> UpdateFileOrFolderCustomMetadata(
string path,
string sectionName,
FileOrFolderCustomMetadataProperties properties)
{
if (string.IsNullOrWhiteSpace(path))
{
throw new ArgumentException(nameof(path));
}
if (string.IsNullOrWhiteSpace(sectionName))
{
throw new ArgumentException(nameof(sectionName));
}
if (properties == null || properties.Count == 0)
{
throw new ArgumentException("None of the custom metadata properties were provided");
}
// retrieving file or folder metadata in order to get the entry id
// since the method to update custom metadata only works using id (path not supported)
var fileOrFolder = await ListFileOrFolder(path);
var fileOrFolderType = fileOrFolder.IsFolder ? "folder" : "file";
var groupOrEntryId = fileOrFolder.IsFolder ? fileOrFolder.AsFolder.FolderId : fileOrFolder.AsFile.GroupId;
var uriBuilder = BuildUri(FilesMethod + "/ids/" + fileOrFolderType + "/" + groupOrEntryId + "/properties/" + sectionName);
var httpRequest = new HttpRequestMessage(new HttpMethod("PUT"), uriBuilder.Uri)
{
Content = new StringContent(
FilesHelper.MapUpdateFileOrFolderCustomMetadataRequest(properties),
Encoding.UTF8,
"application/json")
};
var serviceHandler = new ServiceHandler <string>(httpClient);
await serviceHandler.SendRequestAsync(httpRequest).ConfigureAwait(false);
return(true);
}
