Module: Current

Defined in:
lib/rails_current.rb,
lib/rails_current.rb,
lib/rails_current.rb

Defined Under Namespace

Classes: BlankSlate, Proxy

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/rails_current.rb', line 148

def method_missing(method, *args, &block)
  case method.to_s
    when /^current_(.*)$/
      msg = $1
      value = Current.send(msg, *args, &block)

    else
      super
  end
end

Class Method Details

.attribute(name, *args, &block) ⇒ Object 



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# File 'lib/rails_current.rb', line 45

def Current.attribute(name, *args, &block)
  options = Map.options_for!(args)

  name = name.to_s

  attribute_names.push(name)
  attribute_names.uniq!

  if options.has_key?(:default)
    default = options[:default]
    if default.respond_to?(:call)
      block ||= default
    else
      data[name] = default
    end
  end

  if !args.empty?
    value = args.shift
    data[name] = value
  end

  if block
    generators[name] = block
  end

  define_attribute_method(name)

  self
end

.attribute?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails_current.rb', line 114

def Current.attribute?(name)
  attribute_names.include?(name.to_s)
end

.attribute_names ⇒ Object 



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# File 'lib/rails_current.rb', line 118

def Current.attribute_names
  @attribute_names ||= []
end

.attributes ⇒ Object 



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# File 'lib/rails_current.rb', line 122

def Current.attributes
  attribute_names.inject(Map.new){|map, name| map.update(name => send(name))}
end

.clear ⇒ Object 



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# File 'lib/rails_current.rb', line 29

def Current.clear
  data.clear
  self
end

.data ⇒ Object 



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# File 'lib/rails_current.rb', line 25

def Current.data
  Thread.current[:current] ||= Map.new
end

.define_attribute_method(name) ⇒ Object 



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# File 'lib/rails_current.rb', line 76

def Current.define_attribute_method(name)
  name = name.to_s
  unless respond_to?(name)
    singleton_class.module_eval do
      define_method(name) do
        value = data[name]
        if value.nil? and generator = generators[name]
          value = generator.call
          data[name] = value
        end
        value
      end

      define_method(name + '=') do |value|
        data[name] = value
      end

      define_method(name + '?') do |*args|
        send(name)
      end
    end
  end
end

.dependencies ⇒ Object 



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# File 'lib/rails_current.rb', line 8

def Current.dependencies
  {
    'map'           => [ 'map'           , ' >= 6.0.1' ]
  }
end

.ensure_rails_application(&block) ⇒ Object 



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# File 'lib/rails_current.rb', line 194

def Current.ensure_rails_application(&block)
  require 'rails' unless defined?(Rails)
  if Rails.application.nil?
    mock = Class.new(Rails::Application)
    Rails.application = mock.instance
    begin
      block.call()
    ensure
      Rails.application = nil
    end
  else
    block.call()
  end
end

.generators ⇒ Object 



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# File 'lib/rails_current.rb', line 41

def Current.generators
  @generators ||= Map.new
end

.install_before_filter! ⇒ Object 



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# File 'lib/rails_current.rb', line 245

def Current.install_before_filter!
  if defined?(::ActionController::Base)
    ::ActionController::Base.module_eval do
      prepend_before_filter do |controller|
        Current.clear
        Current.controller = Current.proxy_for(controller)
        Current.action = controller ? controller.send(:action_name) : nil
      end

      extend Current
      include Current
      helper{ include Current }
    end
  end
end

.method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/rails_current.rb', line 126

def Current.method_missing(method, *args, &block)
  case method.to_s
    when /^(.*)[=]$/
      name = $1
      value = args.shift
      attribute(name, value)
      value

    when /^(.*)[?]$/
      nil

    else
      if block
        name = method.to_s
        attribute(name, &block)
        block
      else
        nil
      end
  end
end

.mock_controller(options = {}) ⇒ Object 



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# File 'lib/rails_current.rb', line 159

def Current.mock_controller(options = {})
  require 'rails'
  require 'action_controller'
  require 'action_dispatch/testing/test_request.rb' 
  require 'action_dispatch/testing/test_response.rb' 

  default_url_options =
    begin
      require 'rails_default_url_options'
      DefaultUrlOptions
    rescue LoadError
      options[:default_url_options] || {}
    end

  ensure_rails_application do
    store = ActiveSupport::Cache::MemoryStore.new 
    controller =  
      begin 
        ApplicationController.new 
      rescue NameError 
        ActionController::Base.new 
      end 
    controller.perform_caching = true 
    controller.cache_store = store 
    request = ActionDispatch::TestRequest.new 
    response = ActionDispatch::TestResponse.new 
    controller.request = request 
    controller.response = response 
    #controller.send(:initialize_template_class, response) 
    #controller.send(:assign_shortcuts, request, response) 
    controller.send(:default_url_options).merge!(default_url_options)
    Current.proxy_for(controller)
  end
end

.proxy_for(object) ⇒ Object 



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# File 'lib/rails_current.rb', line 223

def Current.proxy_for(object)
  Proxy.new(object)
end

.reset ⇒ Object 



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# File 'lib/rails_current.rb', line 34

def Current.reset
  attribute_names.each{|name| undefine_attribute_method(name)}
  attribute_names.clear
  generators.clear
  clear
end

.singleton_class ⇒ Object 



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# File 'lib/rails_current.rb', line 110

def Current.singleton_class
  @singleton_class ||= class << self; self; end
end

.undefine_attribute_method(name) ⇒ Object 



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# File 'lib/rails_current.rb', line 100

def Current.undefine_attribute_method(name)
  if respond_to?(name)
    singleton_class.module_eval do
      remove_method(name)
      remove_method(name + '=')
      remove_method(name + '?')
    end
  end
end

.version ⇒ Object 



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# File 'lib/rails_current.rb', line 4

def Current.version
  '1.7.0'
end