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hangouts_chat.rb « integrations « models « app - gitlab.com/gitlab-org/gitlab-foss.git - Unnamed repository; edit this file 'description' to name the repository.
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# frozen_string_literal: true

module Integrations
  class HangoutsChat < BaseChatNotification
    undef :notify_only_broken_pipelines

    field :webhook,
      section: SECTION_TYPE_CONNECTION,
      help: 'https://chat.googleapis.com/v1/spaces…',
      required: true

    field :notify_only_broken_pipelines,
      type: 'checkbox',
      section: SECTION_TYPE_CONFIGURATION

    field :branches_to_be_notified,
      type: 'select',
      section: SECTION_TYPE_CONFIGURATION,
      title: -> { s_('Integrations|Branches for which notifications are to be sent') },
      choices: -> { branch_choices }

    def title
      'Google Chat'
    end

    def description
      'Send notifications from GitLab to a room in Google Chat.'
    end

    def self.to_param
      'hangouts_chat'
    end

    def help
      docs_link = ActionController::Base.helpers.link_to _('How do I set up a Google Chat webhook?'), Rails.application.routes.url_helpers.help_page_url('user/project/integrations/hangouts_chat'), target: '_blank', rel: 'noopener noreferrer'
      s_('Before enabling this integration, create a webhook for the room in Google Chat where you want to receive notifications from this project. %{docs_link}').html_safe % { docs_link: docs_link.html_safe }
    end

    def fields
      self.class.fields + build_event_channels
    end

    def default_channel_placeholder
    end

    def self.supported_events
      %w[push issue confidential_issue merge_request note confidential_note tag_push pipeline wiki_page]
    end

    private

    def notify(message, opts)
      url = webhook.dup

      key = parse_thread_key(message)
      url = Gitlab::Utils.add_url_parameters(url, { threadKey: key }) if key

      simple_text = parse_simple_text_message(message)
      ::HangoutsChat::Sender.new(url).simple(simple_text)
    end

    # Returns an appropriate key for threading messages in google chat
    def parse_thread_key(message)
      case message
      when Integrations::ChatMessage::NoteMessage
        message.target
      when Integrations::ChatMessage::IssueMessage
        "issue #{message.project_name}#{Issue.reference_prefix}#{message.issue_iid}"
      when Integrations::ChatMessage::MergeMessage
        "merge request #{message.project_name}#{MergeRequest.reference_prefix}#{message.merge_request_iid}"
      when Integrations::ChatMessage::PushMessage
        "push #{message.project_name}_#{message.ref}"
      when Integrations::ChatMessage::PipelineMessage
        "pipeline #{message.pipeline_id}"
      when Integrations::ChatMessage::WikiPageMessage
        "wiki_page #{message.wiki_page_url}"
      end
    end

    def parse_simple_text_message(message)
      header = message.pretext
      return header if message.attachments.empty?

      attachment = message.attachments.first
      title      = format_attachment_title(attachment)
      body       = attachment[:text]

      [header, title, body].compact.join("\n")
    end

    def format_attachment_title(attachment)
      return attachment[:title] unless attachment[:title_link]

      "<#{attachment[:title_link]}|#{attachment[:title]}>"
    end
  end
end