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https://github.com/discourse/discourse-ai.git
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This commit introduces a new Forum Researcher persona specialized in deep forum content analysis along with comprehensive improvements to our AI infrastructure. Key additions: New Forum Researcher persona with advanced filtering and analysis capabilities Robust filtering system supporting tags, categories, dates, users, and keywords LLM formatter to efficiently process and chunk research results Infrastructure improvements: Implemented CancelManager class to centrally manage AI completion cancellations Replaced callback-based cancellation with a more robust pattern Added systematic cancellation monitoring with callbacks Other improvements: Added configurable default_enabled flag to control which personas are enabled by default Updated translation strings for the new researcher functionality Added comprehensive specs for the new components Renames Researcher -> Web Researcher This change makes our AI platform more stable while adding powerful research capabilities that can analyze forum trends and surface relevant content.
110 lines
3.0 KiB
Ruby
110 lines
3.0 KiB
Ruby
# frozen_string_literal: true
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# special object that can be used to cancel completions and http requests
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module DiscourseAi
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module Completions
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class CancelManager
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attr_reader :cancelled
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attr_reader :callbacks
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def initialize
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@cancelled = false
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@callbacks = Concurrent::Array.new
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@mutex = Mutex.new
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@monitor_thread = nil
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end
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def monitor_thread
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@mutex.synchronize { @monitor_thread }
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end
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def start_monitor(delay: 0.5, &block)
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@mutex.synchronize do
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raise "Already monitoring" if @monitor_thread
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raise "Expected a block" if !block
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db = RailsMultisite::ConnectionManagement.current_db
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@stop_monitor = false
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@monitor_thread =
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Thread.new do
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begin
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loop do
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done = false
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@mutex.synchronize { done = true if @stop_monitor }
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break if done
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sleep delay
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@mutex.synchronize { done = true if @stop_monitor }
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@mutex.synchronize { done = true if cancelled? }
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break if done
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should_cancel = false
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RailsMultisite::ConnectionManagement.with_connection(db) do
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should_cancel = block.call
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end
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@mutex.synchronize { cancel! if should_cancel }
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break if cancelled?
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end
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ensure
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@mutex.synchronize { @monitor_thread = nil }
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end
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end
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end
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end
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def stop_monitor
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monitor_thread = nil
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@mutex.synchronize { monitor_thread = @monitor_thread }
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if monitor_thread
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@mutex.synchronize { @stop_monitor = true }
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# so we do not deadlock
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monitor_thread.wakeup
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monitor_thread.join(2)
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# should not happen
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if monitor_thread.alive?
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Rails.logger.warn("DiscourseAI: CancelManager monitor thread did not stop in time")
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monitor_thread.kill if monitor_thread.alive?
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end
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@monitor_thread = nil
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end
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end
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def cancelled?
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@cancelled
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end
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def add_callback(cb)
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@callbacks << cb
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end
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def remove_callback(cb)
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@callbacks.delete(cb)
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end
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def cancel!
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@cancelled = true
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monitor_thread = @monitor_thread
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if monitor_thread && monitor_thread != Thread.current
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monitor_thread.wakeup
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monitor_thread.join(2)
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if monitor_thread.alive?
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Rails.logger.warn("DiscourseAI: CancelManager monitor thread did not stop in time")
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monitor_thread.kill if monitor_thread.alive?
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end
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end
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@callbacks.each do |cb|
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begin
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cb.call
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rescue StandardError
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# ignore cause this may have already been cancelled
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end
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end
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end
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end
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end
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end
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