chat

type Chatroom struct {
	Name      string
	Messages  []Message
	Observers map[string]chan Message
}

type Message struct {
	ID        string    `json:"id"`
	Text      string    `json:"text"`
	CreatedBy string    `json:"createdBy"`
	CreatedAt time.Time `json:"createdAt"`
}

type Resolvers interface {
	Mutation_post(ctx context.Context, text string, username string, roomName string) (Message, error)
	Query_room(ctx context.Context, name string) (*Chatroom, error)

	Subscription_messageAdded(ctx context.Context, roomName string) (<-chan Message, error)
}