goba

type Database interface {
	// Type returns the Database's type.
	Type() DatabaseType

	// CreateImage returns an Image containing the Database's current state.
	CreateImage() (*Image, error)

	// ApplyImage applies the given Image to the Database.
	ApplyImage(image Image) error
}

type DatabaseType string

type Goba struct {
	// contains filtered or unexported fields
}

type Image struct {
	// Type is the type of the Database that created the Image.
	Type DatabaseType `json:"type,omitempty"`

	// Name is the name of the Image.
	Name string `json:"name,omitempty"`

	// Content represents the Database's state.
	Content []byte `json:"content,omitempty"`
}

type ImageHandler struct {
	DB    Database
	Store Store
}

type Store interface {
	// SaveImage saves the given Image. If an Image with the
	// given Image's name already exists, SaveImage should
	// return a non-nil error.
	SaveImage(image Image) error

	// FindImage retrieves an Image with the given name.
	// If no such Image exists, FindImage should return
	// a non-nil error.
	FindImage(name string) (*Image, error)

	// AllImages retrieves all images known to the Store.
	// If there are no images to retrieve, AllImages should
	// be a no-op.
	AllImages() ([]Image, error)

	// DeleteImage deletes the Image with the given name.
	// If no such Image exists, DeleteImage should be a no-op.
	DeleteImage(name string) error
}