discourse/app/jobs/regular/change_display_name.rb
Ted Johansson a183f14d09
DEV: Update display name in new quote format - Part 2 (#22104)
This change adds support retroactively updating display names in the new quote format when the user's name is changed. It happens through a background job that is triggered by a callback when a user is saved with a new name.
2023-06-26 11:01:59 +08:00

90 lines
2.7 KiB
Ruby

# frozen_string_literal: true
module Jobs
class ChangeDisplayName < ::Jobs::Base
sidekiq_options queue: "low"
# Avoid race conditions if a user's name is updated several times
# in quick succession.
cluster_concurrency 1
def execute(args)
@user = User.find_by(id: args[:user_id])
return unless user.present?
# We need to account for the case where the instance allows
# name to be empty by falling back to username.
@old_display_name = (args[:old_name].presence || user.username).unicode_normalize
@new_display_name = (args[:new_name].presence || user.username).unicode_normalize
@quote_rewriter = QuoteRewriter.new(user.id)
update_posts
update_revisions
end
private
attr_reader :user, :old_display_name, :new_display_name, :quote_rewriter
def update_posts
Post
.with_deleted
.joins(quoted("posts.id"))
.where("p.user_id = :user_id", user_id: user.id)
.find_each { |post| update_post(post) }
end
def update_revisions
PostRevision
.joins(quoted("post_revisions.post_id"))
.where("p.user_id = :user_id", user_id: user.id)
.find_each { |revision| update_revision(revision) }
end
def quoted(post_id_column)
<<~SQL
JOIN quoted_posts AS q ON (q.post_id = #{post_id_column})
JOIN posts AS p ON (q.quoted_post_id = p.id)
SQL
end
def update_post(post)
post.raw = update_raw(post.raw)
post.cooked = update_cooked(post.cooked)
post.update_columns(raw: post.raw, cooked: post.cooked)
SearchIndexer.index(post, force: true) if post.topic
rescue => e
Discourse.warn_exception(e, message: "Failed to update post with id #{post.id}")
end
def update_revision(revision)
if revision.modifications["raw"] || revision.modifications["cooked"]
revision.modifications["raw"].map! { |raw| update_raw(raw) }
revision.modifications["cooked"].map! { |cooked| update_cooked(cooked) }
revision.save!
end
rescue => e
Discourse.warn_exception(e, message: "Failed to update post revision with id #{revision.id}")
end
def update_raw(raw)
@quote_rewriter.rewrite_raw_display_name(raw, old_display_name, new_display_name)
end
# Uses Nokogiri instead of rebake, because it works for posts and revisions
# and there is no reason to invalidate oneboxes, run the post analyzer etc.
# when only the display name changes.
def update_cooked(cooked)
doc = Nokogiri::HTML5.fragment(cooked)
@quote_rewriter.rewrite_cooked_display_name(doc, old_display_name, new_display_name)
doc.to_html
end
end
end