discourse/app/jobs/scheduled/periodical_updates.rb

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require_dependency 'score_calculator'
module Jobs
# This job will run on a regular basis to update statistics and denormalized data.
# If it does not run, the site will not function properly.
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class PeriodicalUpdates < Jobs::Scheduled
every 15.minutes
def self.should_update_long_topics?
@call_count ||= 0
@call_count += 1
# once every 6 hours
(@call_count % 24) == 1
end
def execute(args)
# Feature topics in categories
CategoryFeaturedTopic.feature_topics(batched: true)
# Update the scores of posts
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args = { min_topic_age: 1.day.ago }
args[:max_topic_length] = 500 unless self.class.should_update_long_topics?
ScoreCalculator.new.calculate(args)
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# Re-run stuff that we missed
TopicTimer.ensure_consistency!
# Forces rebake of old posts where needed, as long as no system avatars need updating
unless UserAvatar.where("last_gravatar_download_attempt IS NULL").limit(1).first
problems = Post.rebake_old(SiteSetting.rebake_old_posts_count)
problems.each do |hash|
post_id = hash[:post].id
Discourse.handle_job_exception(hash[:ex], error_context(args, "Rebaking post id #{post_id}", post_id: post_id))
end
end
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# rebake out of date user profiles
problems = UserProfile.rebake_old(250)
problems.each do |hash|
user_id = hash[:profile].user_id
Discourse.handle_job_exception(hash[:ex], error_context(args, "Rebaking user id #{user_id}", user_id: user_id))
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end
offset = (SiteSetting.max_new_topics).to_i
last_new_topic = Topic.order('created_at desc').offset(offset).select(:created_at).first
if last_new_topic
SiteSetting.min_new_topics_time = last_new_topic.created_at.to_i
end
nil
end
end
end