DirToCollection gets all files within a directory and adds them to a collection.

FsToCollection takes in an afero file system and turns it into a collection of files.

NewOperation returns an operation object.

Operation is an object that contains a file transfer from multiple sources to one destination.

OperationError is an error that can occur in the middle of an operation.

OperationFile is a marshallable object that is used to communicate with Controller.

OsFileInfo is a wrapper around os.FileInfo that allows it to be marshalled to json.

ProgressSetter is an interface that allows for progress setting for files.