db

type Config struct {
	URI           string `yaml:"uri"`
	MigrationsDir string `yaml:"migrations_dir"`
	PasswordFile  string `yaml:"password_file"`

	// Allow injection of mock DBs for unit testing.
	Mock DB `yaml:"-"`
}

type DB interface {
	// GetRulesConfig gets the user's ruler config
	GetRulesConfig(ctx context.Context, userID string) (userconfig.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(ctx context.Context, userID string, oldConfig, newConfig userconfig.RulesConfig) (bool, error)

	// GetAllRulesConfigs gets all of the ruler configs
	GetAllRulesConfigs(ctx context.Context) (map[string]userconfig.VersionedRulesConfig, error)

	// GetRulesConfigs gets all of the configs that have been added or have
	// changed since the provided config.
	GetRulesConfigs(ctx context.Context, since userconfig.ID) (map[string]userconfig.VersionedRulesConfig, error)

	GetConfig(ctx context.Context, userID string) (userconfig.View, error)
	SetConfig(ctx context.Context, userID string, cfg userconfig.Config) error

	GetAllConfigs(ctx context.Context) (map[string]userconfig.View, error)
	GetConfigs(ctx context.Context, since userconfig.ID) (map[string]userconfig.View, error)

	DeactivateConfig(ctx context.Context, userID string) error
	RestoreConfig(ctx context.Context, userID string) error

	Close() error
}