/// <summary>
///
/// Extract all filewrappers from some data.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data"></param>
/// <returns></returns>
public static Dictionary <string, Property <FileWrapper> > ExtractFileWrappers(object data)
{
return(ExtractObjects <FileWrapper>(data, (X) => FileWrapper.isFileWrapper(X), (Y) =>
{
return FileWrapper.FromObject((object)Y);
}));
}
public static Boolean isFileWrapper(Object obj)
{
// If the object is already of type FileWrapper return true
if (obj.ToString() == "Stratumn.Sdk.FilePathWrapper")
{
return(true);
}
if (obj.ToString() == "Stratumn.Sdk.FileBlobWrapper")
{
return(true);
}
if (obj.ToString() == "Stratumn.Sdk.BrowserFileWrapper")
{
return(true);
}
if (obj == null)
{
return(false);
}
// For strings, assume it's a JSON string
if (obj is String)
{
string json = (string)obj;
Object fileWrapper = null;
// attempt to generate FileWrapper from json.
try
{
if (json.ToUpper().Contains("PATH"))
{
fileWrapper = JsonHelper.FromJson <FilePathWrapper>(json);
}
else if (json.ToUpper().Contains("FILEINFO"))
{
fileWrapper = JsonHelper.FromJson <FileBlobWrapper>(json);
}
else if (json.ToUpper().Contains("FILE"))
{
fileWrapper = JsonHelper.FromJson <BrowserFileWrapper>(json);
}
}
catch (Exception)
{ // obj can not be converted
}
return(fileWrapper != null);
}
// Otherwise, try to coerce from json
try
{
FileWrapper fileWrapper = FromObject(obj);
return(fileWrapper.Info() != null);
}
catch (Exception)
{
return(false);
}
}
private async Task <List <Property <FileWrapper> > > DownloadFiles(Dictionary <string, Property <FileRecord> > fileRecordMap)
{
List <Property <FileWrapper> > fileWrapperList = new List <Property <FileWrapper> >();
if (fileRecordMap.Count == 0)
{
return(fileWrapperList);
}
foreach (var fileRecordProp in fileRecordMap)
{
FileRecord fileRecord = fileRecordProp.Value.Value;
MemoryStream file = await client.DownloadFile(fileRecord);
fileWrapperList.Add(
fileRecordProp.Value.Transform((T) => FileWrapper.FromFileBlob(file, fileRecord.GetFileInfo())));
}
return(fileWrapperList);
}