49 lines
1.2 KiB
Ruby
49 lines
1.2 KiB
Ruby
class PostTimestampChanger
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def initialize(params)
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@topic = Topic.with_deleted.find(params[:topic_id])
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@posts = @topic.posts
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@timestamp = Time.at(params[:timestamp])
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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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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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update_topic(last_posted_at)
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end
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# Burst the cache for stats
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[AdminDashboardData, About].each { |klass| $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_attributes(
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created_at: @timestamp,
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updated_at: @timestamp,
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bumped_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_attributes(created_at: timestamp, updated_at: timestamp)
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end
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end
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