Slack Notifiable and Example

project_comment.rb

class ProjectComment < ActiveRecord::Base
  include SlackNotifiable

  belongs_to :user
  belongs_to :project
  has_one :organization, through: :project

  def slack_message
    "#{user.name} has commented on #{project.title}: #{description}"
  end
end

slack_notifiable.rb

require 'active_support/concern'
require 'slack-notifier'

module SlackNotifiable
  extend ActiveSupport::Concern
  
  included do
    after_create :ping_slack
  end

  def ping_slack
    return unless Rails.env.production? && respond_to?(:organization) && organization.slack_webhook_url

    begin
      Slack::Notifier.new(organization.slack_webhook_url, username: 'Notifier').ping(slack_message)
    rescue Exception => e
      # non-essential so do nothing
    end
  end

  def slack_message
    self.inspect
  end

end