discourse-chat-integration/lib/discourse_chat_integration/provider/flowdock/flowdock_provider.rb

# frozen_string_literal: true

module DiscourseChatIntegration::Provider::FlowdockProvider

  PROVIDER_NAME = "flowdock".freeze
  PROVIDER_ENABLED_SETTING = :chat_integration_flowdock_enabled
  CHANNEL_PARAMETERS = [
                        { key: "flow_token", regex: '^\S+', unique: true, hidden: true },
                       ]

  def self.send_message(url, message)
    uri = URI(url)

    http = Net::HTTP.new(uri.host, uri.port)
    http.use_ssl = true

    req = Net::HTTP::Post.new(uri, 'Content-Type' => 'application/json')
    req.body = message.to_json
    response = http.request(req)

    response
  end

  def self.generate_flowdock_message(post, flow_token)
    display_name = "@#{post.user.username}"
    full_name = post.user.name || ""

    if !(full_name.strip.empty?) && (full_name.strip.gsub(' ', '_').casecmp(post.user.username) != 0) && (full_name.strip.gsub(' ', '').casecmp(post.user.username) != 0)
      display_name = "#{full_name} @#{post.user.username}"
    end

    message = {
      flow_token: flow_token,
      event: "discussion",
      author: {
        name: display_name,
        avatar: post.user.small_avatar_url
      },
      title: I18n.t("chat_integration.provider.flowdock.message_title"),
      external_thread_id: post.topic.id,
      body: post.excerpt(SiteSetting.chat_integration_flowdock_excerpt_length, text_entities: true, strip_links: false, remap_emoji: true),
      thread: {
        title: post.topic.title,
        external_url: post.full_url
      }
    }

    message
  end

  def self.trigger_notification(post, channel, rule)
    flow_token = channel.data["flow_token"]
    message = generate_flowdock_message(post, flow_token)
    response = send_message("https://api.flowdock.com/messages", message)

    unless response.kind_of?(Net::HTTPSuccess)
      error_key = nil
      raise ::DiscourseChatIntegration::ProviderError.new info: { error_key: error_key, message: message, response_body: response.body }
    end
  end
end