60 lines
1.5 KiB
Ruby
60 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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class TopicTimestampChanger
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class InvalidTimestampError < StandardError; end
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def initialize(timestamp:, topic: nil, topic_id: nil)
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@topic = topic || Topic.with_deleted.find(topic_id)
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@posts = @topic.posts
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@current_timestamp = Time.zone.now
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@timestamp = Time.zone.at(timestamp)
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raise InvalidTimestampError if @timestamp.to_f > @current_timestamp.to_f
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@time_difference = calculate_time_difference
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end
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def change!
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ActiveRecord::Base.transaction do
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last_posted_at = @timestamp
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@posts.each do |post|
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if post.is_first_post?
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update_post(post, @timestamp)
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else
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new_created_at = Time.at(post.created_at.to_f + @time_difference)
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new_created_at = @current_timestamp if new_created_at > @current_timestamp
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last_posted_at = new_created_at if new_created_at > last_posted_at
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update_post(post, new_created_at)
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end
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end
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@topic.reset_bumped_at
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update_topic(last_posted_at)
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yield(@topic) if block_given?
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end
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# Burst the cache for stats
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[AdminDashboardData, About].each { |klass| Discourse.redis.del klass.stats_cache_key }
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end
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private
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def calculate_time_difference
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@timestamp - @topic.created_at
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end
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def update_topic(last_posted_at)
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@topic.update(
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created_at: @timestamp,
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updated_at: @timestamp,
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last_posted_at: last_posted_at
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)
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end
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def update_post(post, timestamp)
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post.update(created_at: timestamp, updated_at: timestamp)
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end
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end
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