58 lines
2.0 KiB
Ruby
58 lines
2.0 KiB
Ruby
# frozen_string_literal: true
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module ::Jobs
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class SummariesBackfill < ::Jobs::Scheduled
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every 5.minutes
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cluster_concurrency 1
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def execute(_args)
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return if !SiteSetting.discourse_ai_enabled
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return if !SiteSetting.ai_summarization_enabled
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return if SiteSetting.ai_summary_backfill_maximum_topics_per_hour.zero?
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system_user = Discourse.system_user
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complete_t = AiSummary.summary_types[:complete]
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backfill_candidates(complete_t)
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.limit(current_budget(complete_t))
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.each do |topic|
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DiscourseAi::Summarization.topic_summary(topic).force_summarize(system_user)
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end
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gist_t = AiSummary.summary_types[:gist]
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backfill_candidates(gist_t)
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.limit(current_budget(gist_t))
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.each { |topic| DiscourseAi::Summarization.topic_gist(topic).force_summarize(system_user) }
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end
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def backfill_candidates(summary_type)
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Topic
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.where("topics.word_count >= ?", SiteSetting.ai_summary_backfill_minimum_word_count)
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.joins(<<~SQL)
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LEFT OUTER JOIN ai_summaries ais ON
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topics.id = ais.target_id AND
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ais.target_type = 'Topic' AND
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ais.summary_type = '#{summary_type}'
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SQL
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.where(
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"ais.id IS NULL OR UPPER(ais.content_range) < topics.highest_post_number + 1",
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) # (1..1) gets stored ad (1..2).
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.order("ais.created_at DESC NULLS FIRST, topics.last_posted_at DESC")
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end
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def current_budget(type)
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# Split budget in 12 intervals, but make sure is at least one.
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base_budget = SiteSetting.ai_summary_backfill_maximum_topics_per_hour
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limit_per_job = [base_budget, 12].max / 12
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used_budget =
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AiSummary.system.where("created_at > ?", 1.hour.ago).where(summary_type: type).count
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current_budget = [(base_budget - used_budget), limit_per_job].min
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return 0 if current_budget < 0
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current_budget
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end
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end
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end
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