handler

type RealSlackHandler struct {
	NotificationChannel    string
	ReactionThreshold      int
	Database               database.Database
	SlackClient            SlackClient
	SlackVerificationToken string
}

type SlackChannelLeaver interface {
	LeaveConversation(string) (bool, error)
}

type SlackClient interface {
	SlackChannelLeaver
	SendMessage(string, ...slack.MsgOption) (string, string, string, error)
	GetPermalink(*slack.PermalinkParameters) (string, error)
}

type SlackHandler interface {
	HandleEvent([]byte) (SlackHandlerResponse, error)
	SendMessage(string, string) error
}

type SlackHandlerResponse struct {
	StatusCode int
	Body       []byte
	Headers    map[string]string
}