Class: Fozzie::Rack::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/fozzie/rack/middleware.rb

Overview

Time and record each request through a given Rack app This middleware times server processing for a resource, not view render.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/fozzie/rack/middleware.rb', line 12

def initialize(app)
  @app = app
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/fozzie/rack/middleware.rb', line 10

def app
  @app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/fozzie/rack/middleware.rb', line 16

def call(env)
  k = generate_key(env)
  if k.nil?
    self.call_without_timer(env)
  else
    self.call_with_timer(k, env)
  end
end

#call_with_timer(key, env) ⇒ Object 



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# File 'lib/fozzie/rack/middleware.rb', line 29

def call_with_timer(key, env)
  S.time_to_do key do
    @app.call(env)
  end
end

#call_without_timer(env) ⇒ Object 



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# File 'lib/fozzie/rack/middleware.rb', line 25

def call_without_timer(env)
  @app.call(env)
end

#generate_key(env) ⇒ Object 



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# File 'lib/fozzie/rack/middleware.rb', line 35

def generate_key(env)
  s = env['PATH_INFO']
  return nil if s.nil?
  s = (s == '/' ? 'index' : s.gsub(/.(\/)./) {|m| m.gsub('/', '.') }.gsub(/\//, '').strip)
  (s.nil? || s.empty? ? nil : "#{s}.render")
end