repository

type Chat interface {
	Create(user *model.Chat) (string, error)
	GetAllForUser(userId string) ([]*model.Chat, error)
	GetById(chatId string) (*model.Chat, error)
	ExistenceCheck(chatId string) error
}

type Message interface {
	Create(message *model.Message) (string, error)
	GetAllForChat(chatId string) ([]*model.Message, error)
}

type Repository struct {
	User
	Chat
	Message
}

type User interface {
	Create(user *model.User) (string, error)
	ExistenceCheck(userId string) error
}