Class: ActiveAdmin::Reloader

Inherits:
Object
  • Object
show all
Defined in:
lib/active_admin/reloader.rb

Overview

Deals with reloading Active Admin on each request in development and once in production.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rails_app, active_admin_app, rails_version) ⇒ Reloader

Returns a new instance of Reloader.

Parameters:

  • app (ActiveAdmin::Application)
  • rails_version (String) —

    The version of Rails we’re using. We use this to switch between the correcrt Rails reloader class.



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# File 'lib/active_admin/reloader.rb', line 23

def initialize(rails_app, active_admin_app, rails_version)
  @rails_app = rails_app
  @active_admin_app = active_admin_app
  @rails_version = rails_version.to_s
  @file_update_checker = FileUpdateChecker.new(watched_paths) do
    reload!
  end
end

Instance Attribute Details

#active_admin_app ⇒ Object (readonly)

Returns the value of attribute active_admin_app.



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# File 'lib/active_admin/reloader.rb', line 16

def active_admin_app
  @active_admin_app
end

#file_update_checker ⇒ Object (readonly)

Returns the value of attribute file_update_checker.



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# File 'lib/active_admin/reloader.rb', line 16

def file_update_checker
  @file_update_checker
end

#rails_app ⇒ Object (readonly)

Returns the value of attribute rails_app.



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# File 'lib/active_admin/reloader.rb', line 16

def rails_app
  @rails_app
end

Instance Method Details

#attach! ⇒ Object

Attach to Rails and perform the reload on each request.



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# File 'lib/active_admin/reloader.rb', line 40

def attach!
  # Bring the checker into local scope for the ruby block
  checker = file_update_checker

  reloader_class.to_prepare do
    checker.execute_if_updated
  end
end

#reload! ⇒ Object 



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# File 'lib/active_admin/reloader.rb', line 32

def reload!
  active_admin_app.unload!
  rails_app.reload_routes!
  file_update_checker.paths.clear
  watched_paths.each{|path| file_update_checker.paths << path }
end

#reloader_class ⇒ Object 



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# File 'lib/active_admin/reloader.rb', line 55

def reloader_class
  if @rails_version[0..2] == '3.1'
    ActionDispatch::Reloader
  else
    ActionDispatch::Callbacks
  end
end

#watched_paths ⇒ Object 



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# File 'lib/active_admin/reloader.rb', line 49

def watched_paths
  paths = active_admin_app.load_paths
  active_admin_app.load_paths.each{|path| paths += Dir[File.join(path, "**", "*.rb")]}
  paths
end