Class: Appsignal::Grape::Middleware

Inherits:
Grape::Middleware::Base
  • Object
show all
Defined in:
lib/grape-appsignal/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/grape-appsignal/middleware.rb', line 7

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/grape-appsignal/middleware.rb', line 11

def call(env)
  req = ::Rack::Request.new(env)
  method = env['REQUEST_METHOD']

  api_endpoint = env['api.endpoint']


  method_name = api_endpoint.method_name.gsub(/ ?[ \/]/, '/') if api_endpoint && api_endpoint.method_name
  method_name = method_name.gsub(/\/\//, '/') if method_name

  request_path = api_endpoint.routes.first.route_path[1..-1].sub(/\(\.:format\)\z/, "")

  metric_name  = "process_action.grape.#{req.request_method}.#{request_path}"
  metric_name = metric_name.gsub(/\/:?/, '.')

  action = "Grape"
  action = action + "(#{api_endpoint.settings[:version].first})" if
    api_endpoint.settings[:version] && api_endpoint.settings[:version].first
  action = action + "(#{api_endpoint.settings[:root_prefix]})" if
    api_endpoint.settings  && api_endpoint.settings[:root_prefix]

  action = action + "::#{method_name}"
  #action = action.gsub(/  ?/, '/')

  ActiveSupport::Notifications.instrument(metric_name, { method: method, path: request_path, action: action, class: "API" } ) do |payload|
    @app.call(env)
  end
end