Class: QwirkGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Includes:
Rails::Generators::Migration
Defined in:
lib/rails/generators/qwirk/qwirk_generator.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args, *options) ⇒ QwirkGenerator

:nodoc:



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# File 'lib/rails/generators/qwirk/qwirk_generator.rb', line 19

def initialize(args, *options) #:nodoc:
  # Unfreeze name in case it's given as a frozen string
  args[0] = args[0].dup if args[0].is_a?(String) && args[0].frozen?
  super
  assign_names!(self.name)
  parse_attributes! if respond_to?(:attributes)
end

Class Method Details

.next_migration_number(dirname) ⇒ Object

:nodoc:



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# File 'lib/rails/generators/qwirk/qwirk_generator.rb', line 11

def self.next_migration_number(dirname) #:nodoc:
  if ActiveRecord::Base.timestamped_migrations
    Time.now.utc.strftime("%Y%m%d%H%M%S")
  else
    "%.3d" % (current_migration_number(dirname) + 1)
  end
end

.source_root ⇒ Object 



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# File 'lib/rails/generators/qwirk/qwirk_generator.rb', line 7

def self.source_root
  File.join(File.dirname(__FILE__), 'templates')
end

Instance Method Details

#copy_initializer_file ⇒ Object 



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# File 'lib/rails/generators/qwirk/qwirk_generator.rb', line 49

def copy_initializer_file
  copy_file 'initializer.rb', 'config/initializers/qwirk.rb'
end

#create_migration_file ⇒ Object

Every method that is declared below will be automatically executed when the generator is run



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# File 'lib/rails/generators/qwirk/qwirk_generator.rb', line 29

def create_migration_file
  f = File.open File.join(File.dirname(__FILE__), 'templates', 'schema.rb')
  schema = f.read; f.close
  
  schema.gsub!(/ActiveRecord::Schema.*\n/, '')
  schema.gsub!(/^end\n*$/, '')

  f = File.open File.join(File.dirname(__FILE__), 'templates', 'migration.rb')
  migration = f.read; f.close
  migration.gsub!(/SCHEMA_AUTO_INSERTED_HERE/, schema)
  
  tmp = File.open "tmp/~migration_ready.rb", "w"
  tmp.write migration
  tmp.close

  migration_template  '../../../tmp/~migration_ready.rb',
                      'db/migrate/create_qwirk_tables.rb'
  remove_file 'tmp/~migration_ready.rb'
end

#update_application_template ⇒ Object 



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# File 'lib/rails/generators/qwirk/qwirk_generator.rb', line 53

def update_application_template
  f = File.open "app/views/layouts/application.html.erb"
  layout = f.read; f.close
  
  if layout =~ /<%=[ ]+yield[ ]+%>/
    print "    \e[1m\e[34mquestion\e[0m  Your layouts/application.html.erb layout currently has the line <%= yield %>. This gem needs to change this line to <%= content_for?(:content) ? yield(:content) : yield %> to support its nested layouts. This change should not affect any of your existing layouts or views. Is this okay? [y/n] "
    begin
      answer = gets.chomp
    end while not answer =~ /[yn]/i
    
    if answer =~ /y/i
      
      layout.gsub!(/<%=[ ]+yield[ ]+%>/, '<%= content_for?(:content) ? yield(:content) : yield %>')

      tmp = File.open "tmp/~application.html.erb", "w"
      tmp.write layout; tmp.close

      remove_file 'app/views/layouts/application.html.erb'
      copy_file '../../../tmp/~application.html.erb', 
                'app/views/layouts/application.html.erb'
      remove_file 'tmp/~application.html.erb'
    end
  elsif layout =~ /<%=[ ]+content_for\?\(:content\) \? yield\(:content\) : yield[ ]+%>/
    puts "    \e[1m\e[33mskipping\e[0m  layouts/application.html.erb modification is already done."
  else
    puts "    \e[1m\e[31mconflict\e[0m  The gem is confused by your layouts/application.html.erb. It does not contain the default line <%= yield %>, you may need to make manual changes to get this gem's nested layouts working. Visit ###### for details."
  end
end