db

type Config struct {
	URI           string
	MigrationsDir string
}

type DB interface {
	RulesDB

	GetConfig(userID string) (configs.View, error)
	SetConfig(userID string, cfg configs.Config) error

	GetAllConfigs() (map[string]configs.View, error)
	GetConfigs(since configs.ID) (map[string]configs.View, error)

	DeactivateConfig(userID string) error
	RestoreConfig(userID string) error

	Close() error
}

type RulesDB interface {
	// GetRulesConfig gets the user's ruler config
	GetRulesConfig(userID string) (configs.VersionedRulesConfig, error)
	// SetRulesConfig does a compare-and-swap (CAS) on the user's rules config.
	// `oldConfig` must precisely match the current config in order to change the config to `newConfig`.
	// Will return `true` if the config was updated, `false` otherwise.
	SetRulesConfig(userID string, oldConfig, newConfig configs.RulesConfig) (bool, error)

	// GetAllRulesConfigs gets all of the ruler configs
	GetAllRulesConfigs() (map[string]configs.VersionedRulesConfig, error)
	// GetRulesConfigs gets all of the configs that have been added or have
	// changed since the provided config.
	GetRulesConfigs(since configs.ID) (map[string]configs.VersionedRulesConfig, error)
}