NewFile returns a new file instance.

NewMock returns a new mock instance.

ErrBadRequest returns an error when an unexpected request been processed.

ErrInternalServerError returns an error when an unexpected error occurs.

ErrResourceAlreadyExists returns an error when a resource already exists in storage.

ErrResourceNotFound returns an error when a requested resource not found in storage.

File implements the storage interface, and uses a file as 'database'.

Storage interface to handle storage operations.

Database represents the structure of the storage contents.

Resource represents the structure of a singe resource in storage.