service

type FollowUserService interface {
	Execute(followerID int64, followedID int64) (username string, err error)
}

type ListFollowersOutput struct {
	ID     int64  `json:"id"`
	UserID int64  `json:"user_id"`
	Name   string `json:"string"`
}

type ListFollowersService interface {
	Execute(userID int64) ([]ListFollowersOutput, error)
}

type ListFollowingsOutput struct {
	ID     int64  `json:"id"`
	UserID int64  `json:"user_id"`
	Name   string `json:"string"`
}

type ListFollowingsService interface {
	Execute(userID int64) ([]ListFollowingsOutput, error)
}

type UnfollowUserService interface {
	Execute(followerID int64, followedID int64) (username string, err error)
}