export

type DBClient interface {
	CloseSession()

	// ********************** REGISTRATION FUNCTIONS *****************************
	// Return all the registrations
	// UnexpectedError - failed to retrieve registrations from the database
	Registrations() ([]contract.Registration, error)

	// Add a new registration
	// UnexpectedError - failed to add to database
	AddRegistration(reg contract.Registration) (string, error)

	// Update a registration
	// UnexpectedError - problem updating in database
	// NotFound - no registration with the ID was found
	UpdateRegistration(reg contract.Registration) error

	// Get a registration by ID
	// UnexpectedError - problem getting in database
	// NotFound - no registration with the ID was found
	RegistrationById(id string) (contract.Registration, error)

	// Get a registration by name
	// UnexpectedError - problem getting in database
	// NotFound - no registration with the name was found
	RegistrationByName(name string) (contract.Registration, error)

	// Delete a registration by ID
	// UnexpectedError - problem getting in database
	// NotFound - no registration with the ID was found
	DeleteRegistrationById(id string) error

	// Delete a registration by name
	// UnexpectedError - problem getting in database
	// NotFound - no registration with the ID was found
	DeleteRegistrationByName(name string) error

	// Delete all registrations
	ScrubAllRegistrations() error
}