discourse/lib/introduction_updater.rb

43 lines
857 B
Ruby

class IntroductionUpdater
def initialize(user)
@user = user
end
def get_summary
summary_from_post(find_welcome_post)
end
def update_summary(new_value)
post = find_welcome_post
return unless post
previous_value = summary_from_post(post).strip
if previous_value != new_value
revisor = PostRevisor.new(post)
remaining = post.raw.split("\n")[1..-1]
revisor.revise!(@user, raw: "#{new_value}\n#{remaining.join("\n")}")
end
end
protected
def summary_from_post(post)
return post ? post.raw.split("\n").first : nil
end
def find_welcome_post
welcome_topic = Topic.listable_topics.where(slug: 'welcome-to-discourse').first
return nil unless welcome_topic.present?
post = welcome_topic.posts.where(post_number: 1).first
return nil unless post.present?
post
end
end