/// <summary>Uploads a blob from a JSON FileWrapper instance</summary>
/// <param name="file">The JSON wrapper with the image bytes in BASE64</param>
/// <param name="containerName">Container to load to</param>
/// <param name="blobName">Optional blob name. Random will be assigned if null</param>
/// <returns></returns>
public string UploadBlob(JSONFileWrapper file, string containerName, string blobName = null)
{
if (file == null || !file.IsValid)
{
return(null);
}
// set the local values
byte[] fileData = Convert.FromBase64String(file.Data);
this.FileName = file.Filename;
this.ContentType = file.ContentType;
this.ImageFile = new MemoryStream(fileData);
return(this.UploadBlob(containerName, blobName));
}
/// <summary>Reads a file into a JSON wrapper conveted to BASE64 from an actual physical file source</summary>
/// <param name="filePath">Local file path</param>
/// <returns>Helper function</returns>
public static JSONFileWrapper ReadFile(string filePath)
{
JSONFileWrapper results = new JSONFileWrapper();
FileInfo info = new FileInfo(filePath);
if (!info.Exists)
{
return(results);
}
results.Filename = info.Name;
results.ContentType = MimeTypeMap.GetMimeType(info.Extension);
byte[] data = File.ReadAllBytes(filePath);
results.Data = Convert.ToBase64String(data, Base64FormattingOptions.None);
return(results);
}
/// <summary>Gets a blob from Azure Storage BASE64 encoded and wrapped in JSON</summary>
/// <param name="containerName">container name</param>
/// <param name="blobName">blob name</param>
/// <returns>The encoded blob with metadata</returns>
public JSONFileWrapper GetWrappedBlob(string containerName, string blobName)
{
JSONFileWrapper results = new JSONFileWrapper();
// get the blob
RawFileWrapper data = this.GetRawBlob(containerName, blobName);
// validate
if (!data.IsValid)
{
return(results);
}
// convert to BASE64
results.Data = Convert.ToBase64String(data.Data, Base64FormattingOptions.None);
// get the properties
results.ContentType = data.ContentType;
results.Filename = data.Filename;
return(results);
}
