Class: RailsPerformance::Rails::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_performance/rails/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/rails_performance/rails/middleware.rb', line 33

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rails_performance/rails/middleware.rb', line 37

def call(env)
  dup.call!(env)
end

#call!(env) ⇒ Object 



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# File 'lib/rails_performance/rails/middleware.rb', line 41

def call!(env)
  @status, @headers, @response = @app.call(env)

  # t = Time.current
  if !RailsPerformance.skip
    if !CurrentRequest.current.ignore.include?(:performance) # grape is executed first, and than ignore regular future storage of "controller"-like request
      if (data = CurrentRequest.current.data)
        record = RailsPerformance::Models::RequestRecord.new(**data.merge({request_id: CurrentRequest.current.request_id}))

        # for 500 errors
        record.status ||= @status

        # capture referer from where this page was opened
        record.http_referer = env["HTTP_REFERER"] if record.status == 404

        # we can add custom data, for example Http User-Agent
        # or even devise current_user
        if RailsPerformance.custom_data_proc
          # just to be sure it won't break format how we store in redis
          record.custom_data = RailsPerformance.custom_data_proc.call(env)
        end

        # store for section "recent requests"
        # store request information (regular rails request)
        record.save
      end
    end
  end
  # puts "==> store performance data: #{(Time.current - t).round(3)}ms"

  [@status, @headers, @response]
end