/// <summary>
/// Creates a new file and adds it to the context without saving changes.
/// </summary>
/// <param name="file">The file to add.</param>
/// <param name="ownerId">The unique user identifier from the data source for the user.</param>
/// <returns>
/// A <see cref="FileItem" /> instance if the operation was successful; otherwise <c>null</c>.
/// </returns>
protected virtual async Task <FileItem> AddAsync(FileItem file, int ownerId, CancellationToken cancellationToken)
{
await _services.Drive.CreateAsync(file, cancellationToken);
file.OwnerId = ownerId;
file.Slug = UriUtility.EncodeRandomUriToken(32);
return(file);
}
/// <summary>
/// Generates a valid URL from the given URL.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>
/// The generated URI.
/// </returns>
public virtual string Generate(string value)
{
return(UriUtility.EncodeRandomUriToken(32));
}