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|
# frozen_string_literal: true
# handles service desk issue creation emails with these formats:
# incoming+gitlab-org-gitlab-ce-20-issue-@incoming.gitlab.com
# incoming+gitlab-org/gitlab-ce@incoming.gitlab.com (legacy)
module Gitlab
module Email
module Handler
class ServiceDeskHandler < BaseHandler
include ReplyProcessing
include Gitlab::Utils::StrongMemoize
HANDLER_REGEX = /\A#{HANDLER_ACTION_BASE_REGEX}-issue-\z/.freeze
HANDLER_REGEX_LEGACY = /\A(?<project_path>[^\+]*)\z/.freeze
PROJECT_KEY_PATTERN = /\A(?<slug>.+)-(?<key>[a-z0-9_]+)\z/.freeze
def initialize(mail, mail_key, service_desk_key: nil)
if service_desk_key
mail_key ||= service_desk_key
@service_desk_key = service_desk_key
end
super(mail, mail_key)
match_project_slug || match_legacy_project_slug
end
def can_handle?
Gitlab::ServiceDesk.supported? && (project_id || can_handle_legacy_format? || service_desk_key)
end
def execute
raise ProjectNotFound if project.nil?
create_issue_or_note
if from_address
add_email_participant
send_thank_you_email unless reply_email?
end
end
def match_project_slug
return if mail_key&.include?('/')
return unless matched = HANDLER_REGEX.match(mail_key.to_s)
@project_slug = matched[:project_slug]
@project_id = matched[:project_id]&.to_i
end
def match_legacy_project_slug
return unless matched = HANDLER_REGEX_LEGACY.match(mail_key.to_s)
@project_path = matched[:project_path]
end
def metrics_event
:receive_email_service_desk
end
def project
strong_memoize(:project) do
project_record = super
project_record ||= project_from_key if service_desk_key
project_record&.service_desk_enabled? ? project_record : nil
end
end
private
attr_reader :project_id, :project_path, :service_desk_key
def project_from_key
return unless match = service_desk_key.match(PROJECT_KEY_PATTERN)
Project.with_service_desk_key(match[:key]).find do |project|
valid_project_key?(project, match[:slug])
end
end
def valid_project_key?(project, slug)
project.present? && slug == project.full_path_slug
end
def create_issue_or_note
if reply_email?
create_note_from_reply_email
else
create_issue!
end
end
def create_issue!
@issue = ::Issues::CreateService.new(
project: project,
current_user: User.support_bot,
params: {
title: mail.subject,
description: message_including_template,
confidential: true,
external_author: from_address
},
spam_params: nil
).execute
raise InvalidIssueError unless @issue.persisted?
begin
::Issue::Email.create!(issue: @issue, email_message_id: mail.message_id)
rescue StandardError => e
Gitlab::ErrorTracking.log_exception(e)
end
if service_desk_setting&.issue_template_missing?
create_template_not_found_note
end
end
def issue_from_reply_to
strong_memoize(:issue_from_reply_to) do
next unless mail.in_reply_to
Issue::Email.find_by_email_message_id(mail.in_reply_to)&.issue
end
end
def reply_email?
issue_from_reply_to.present?
end
def create_note_from_reply_email
@issue = issue_from_reply_to
create_note(message_including_reply)
end
def send_thank_you_email
Notify.service_desk_thank_you_email(@issue.id).deliver_later
Gitlab::Metrics::BackgroundTransaction.current&.add_event(:service_desk_thank_you_email)
end
def message_including_template
description = message_including_reply_or_only_quotes
template_content = service_desk_setting&.issue_template_content
if template_content.present?
description += " \n" + template_content
end
description
end
def service_desk_setting
strong_memoize(:service_desk_setting) do
project.service_desk_setting
end
end
def create_template_not_found_note
issue_template_key = service_desk_setting&.issue_template_key
warning_note = <<-MD.strip_heredoc
WARNING: The template file #{issue_template_key}.md used for service desk issues is empty or could not be found.
Please check service desk settings and update the file to be used.
MD
create_note(warning_note)
end
def create_note(note)
::Notes::CreateService.new(
project,
User.support_bot,
noteable: @issue,
note: note
).execute
end
def from_address
(mail.reply_to || []).first || mail.from.first || mail.sender
end
def can_handle_legacy_format?
project_path && project_path.include?('/') && !mail_key.include?('+')
end
def author
User.support_bot
end
def add_email_participant
return if reply_email? && !Feature.enabled?(:issue_email_participants, @issue.project)
@issue.issue_email_participants.create(email: from_address)
end
end
end
end
end
|
