Class: Rack::Middleware::QueryTracer

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/middleware/query_tracer.rb,
lib/rack/middleware/query_tracer/version.rb

Defined Under Namespace

Classes: ProxyImpl

Constant Summary collapse

VERSION = 
"0.0.1"

Instance Method Summary collapse

Constructor Details

#initialize(app, logger = ::Arproxy.logger) ⇒ QueryTracer

Returns a new instance of QueryTracer.



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# File 'lib/rack/middleware/query_tracer.rb', line 7

def initialize(app, logger = ::Arproxy.logger)
  @app = app
  @logger = logger

  ::Arproxy.configure do |config|
    config.adapter = ActiveRecord::Base.connection.adapter_name.downcase # "mysql2" # A DB Apdapter name which is used in your database.yml
    config.use ProxyImpl, @logger
  end
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/middleware/query_tracer.rb', line 17

def call(env)
  request = ActionDispatch::Request.new(env)
  @logger.tagged("QueryTracing") do
    ::Arproxy.enable!
    begin
      if request.filtered_path.blank?
        @app.call(env)
      else
        @logger.tagged(request.filtered_path) do
          @app.call(env)
        end
      end
    ensure
      ::Arproxy.disable!
    end
  end
end