index

type Repo interface {
	Get(ctx context.Context, id model.IndexID) (model.Index, error)
	New(ctx context.Context, i *model.Index) error
	Update(ctx context.Context, id model.IndexID, title string, desc string) error
	Delete(ctx context.Context, id model.IndexID) error

	CountSubjects(ctx context.Context, id model.IndexID, subjectType model.SubjectType) (int64, error)
	ListSubjects(
		ctx context.Context, id model.IndexID, subjectType model.SubjectType, limit, offset int,
	) ([]Subject, error)
	AddOrUpdateIndexSubject(
		ctx context.Context, id model.IndexID, subjectID model.SubjectID, sort uint32, comment string,
	) (*Subject, error)
	DeleteIndexSubject(
		ctx context.Context, id model.IndexID, subjectID model.SubjectID,
	) error
}

type Subject struct {
	Comment string
	AddedAt time.Time
	Subject model.Subject
}