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discord_service.rb « project_services « 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

require "discordrb/webhooks"

class DiscordService < ChatNotificationService
  include ActionView::Helpers::UrlHelper

  ATTACHMENT_REGEX = /: (?<entry>.*?)\n - (?<name>.*)\n*/.freeze

  def title
    s_("DiscordService|Discord Notifications")
  end

  def description
    s_("DiscordService|Send notifications about project events to a Discord channel.")
  end

  def self.to_param
    "discord"
  end

  def help
    docs_link = link_to _('How do I set up this service?'), Rails.application.routes.url_helpers.help_page_url('user/project/integrations/discord_notifications'), target: '_blank', rel: 'noopener noreferrer'
    s_('Send notifications about project events to a Discord channel. %{docs_link}').html_safe % { docs_link: docs_link.html_safe }
  end

  def event_field(event)
    # No-op.
  end

  def default_channel_placeholder
    # No-op.
  end

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

  def default_fields
    [
      { type: "text", name: "webhook", placeholder: "https://discordapp.com/api/webhooks/…", help: "URL to the webhook for the Discord channel." },
      { type: "checkbox", name: "notify_only_broken_pipelines" },
      { type: 'select', name: 'branches_to_be_notified', choices: branch_choices }
    ]
  end

  private

  def notify(message, opts)
    client = Discordrb::Webhooks::Client.new(url: webhook)

    client.execute do |builder|
      builder.add_embed do |embed|
        embed.author = Discordrb::Webhooks::EmbedAuthor.new(name: message.user_name, icon_url: message.user_avatar)
        embed.description = (message.pretext + "\n" + Array.wrap(message.attachments).join("\n")).gsub(ATTACHMENT_REGEX, " \\k<entry> - \\k<name>\n")
      end
    end
  rescue RestClient::Exception => error
    log_error(error.message)
    false
  end

  def custom_data(data)
    super(data).merge(markdown: true)
  end
end