discourse/app/services/post_timestamp_changer.rb

49 lines
1.2 KiB
Ruby

class PostTimestampChanger
def initialize(params)
@topic = Topic.with_deleted.find(params[:topic_id])
@posts = @topic.posts
@timestamp = Time.at(params[:timestamp])
@time_difference = calculate_time_difference
end
def change!
ActiveRecord::Base.transaction do
last_posted_at = @timestamp
@posts.each do |post|
if post.is_first_post?
update_post(post, @timestamp)
else
new_created_at = Time.at(post.created_at.to_f + @time_difference)
last_posted_at = new_created_at if new_created_at > last_posted_at
update_post(post, new_created_at)
end
end
update_topic(last_posted_at)
end
# Burst the cache for stats
[AdminDashboardData, About].each { |klass| $redis.del klass.stats_cache_key }
end
private
def calculate_time_difference
@timestamp - @topic.created_at
end
def update_topic(last_posted_at)
@topic.update_attributes(
created_at: @timestamp,
updated_at: @timestamp,
bumped_at: @timestamp,
last_posted_at: last_posted_at
)
end
def update_post(post, timestamp)
post.update_attributes(created_at: timestamp, updated_at: timestamp)
end
end