package logic

import "git.dragon-labs.de/alphyron/group_helper/models"

type GroupHelperService interface {
	CreateGroup(*models.Group) (*models.Group, error)
	UpdateGroup(*models.Group) (*models.Group, error)

	GetGroupByID(int64) (*models.Group, error)
	GetGroupDatabaseSize(int64) (int, error)

	CreateUser(*models.User) (*models.User, error)
	GetUserByID(int64) *models.User

	UserJoinGroup(*models.User, *models.Group) (bool, error)
	UserLeaveGroup(*models.User, *models.Group) (bool, error)
	IsUserInGroup(*models.User, *models.Group) (bool, error)

	ListGroups() ([]*models.Group, error)
	ListUsers() ([]*models.User, error)
}