src/derails/passive_aggressive/railties/controller_runtime.rb
# frozen_string_literal: true

require "active_support/core_ext/module/attr_internal"
require "passive_aggressive/runtime_registry"

module PassiveAggressive
  module Railties # :nodoc:
    module ControllerRuntime # :nodoc:
      extend ActiveSupport::Concern

      module ClassMethods # :nodoc:
        def log_process_action(payload)
          messages, db_runtime = super, payload[:db_runtime]

          if db_runtime
            queries_count = payload[:queries_count] || 0
            cached_queries_count = payload[:cached_queries_count] || 0
            messages << ("PassiveAggressive: %.1fms (%d %s, %d cached)" % [db_runtime.to_f, queries_count,
                                                                      "query".pluralize(queries_count), cached_queries_count])
          end

          messages
        end
      end

      def initialize(...) # :nodoc:
        super
        self.db_runtime = nil
      end

      private
        attr_internal :db_runtime

        def process_action(action, *args)
          # We also need to reset the runtime before each action
          # because of queries in middleware or in cases we are streaming
          # and it won't be cleaned up by the method below.
          PassiveAggressive::RuntimeRegistry.reset
          super
        end

        def cleanup_view_runtime
          if logger && logger.info?
            db_rt_before_render = PassiveAggressive::RuntimeRegistry.reset_runtimes
            self.db_runtime = (db_runtime || 0) + db_rt_before_render
            runtime = super
            queries_rt = PassiveAggressive::RuntimeRegistry.sql_runtime - PassiveAggressive::RuntimeRegistry.async_sql_runtime
            db_rt_after_render = PassiveAggressive::RuntimeRegistry.reset_runtimes
            self.db_runtime += db_rt_after_render
            runtime - queries_rt
          else
            super
          end
        end

        def append_info_to_payload(payload)
          super

          payload[:db_runtime] = (db_runtime || 0) + PassiveAggressive::RuntimeRegistry.reset_runtimes
          payload[:queries_count] = PassiveAggressive::RuntimeRegistry.reset_queries_count
          payload[:cached_queries_count] = PassiveAggressive::RuntimeRegistry.reset_cached_queries_count
        end
    end
  end
end
