Class: Mdwa::Generators::UserScaffoldGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Includes:
Rails::Generators::Migration
Defined in:
lib/generators/mdwa/user_scaffold/user_scaffold_generator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args, &block) ⇒ UserScaffoldGenerator

Returns a new instance of UserScaffoldGenerator.



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# File 'lib/generators/mdwa/user_scaffold/user_scaffold_generator.rb', line 29

def initialize(*args, &block)

  super

  @model = MDWA::Generators::Model.new( scaffold_name )        

  # model_name is not valid
  print_usage unless @model.valid?

  # verifies specific model name
  @specific_model = MDWA::Generators::Model.new( options.model ) unless options.model.blank?
  if !@specific_model.nil?
    if !@specific_model.valid?
      print_usage 
    else
      @model.specific_model_name = @specific_model.raw
    end
  end
  
  require_all "#{Rails.root}/app/models/user.rb"
  @predefined_fields = User.column_names
  @predefined_fields << 'password'
  @predefined_fields << 'password_confirmation'
  
  # sets the model attributes
  attributes.each do |attribute|
    attr_name = attribute.split(':').first
    if !User.accessible_attributes.to_a.include?( attr_name )
      @model.add_attribute MDWA::Generators::ModelAttribute.new( attribute )
    end
  end
  
  unless options.only_diff_migration
    generate "mdwa:scaffold #{scaffold_name} name:string email:string password:password password_confirmation:password #{@model.attributes.collect{|a| a.raw}.join(' ')} #{'--force' if options.force} #{'--ajax' if options.ajax} #{"model=#{options.model}" if options.model} #{'--skip_interface' if options.skip_interface} #{'--only_interface' if options.only_interface} #{'--skip_rake_migrate' if options.skip_rake_migrate} #{'--skip_timestamp' if options.skip_timestamp} #{'--skip_questions' if options.skip_questions} --skip-migrations"
  end

end

Instance Attribute Details

#model ⇒ Object

Returns the value of attribute model.



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# File 'lib/generators/mdwa/user_scaffold/user_scaffold_generator.rb', line 15

def model
  @model
end

#specific_model ⇒ Object

Returns the value of attribute specific_model.



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# File 'lib/generators/mdwa/user_scaffold/user_scaffold_generator.rb', line 15

def specific_model
  @specific_model
end

Instance Method Details

#controller_and_view ⇒ Object 



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# File 'lib/generators/mdwa/user_scaffold/user_scaffold_generator.rb', line 130

def controller_and_view

 return nil if options.only_diff_migration
 return nil if options.skip_interface

 # controllers
 @inherit_controller = 'A::BackendController' if @model.space == 'a'
 template "controllers/#{'ajax_' if options.ajax}controller.rb", "app/controllers/#{@model.space}/#{@model.plural_name}_controller.rb"

 # views - update only 
 template 'views/update.js.erb', "app/views/#{@model.space}/#{@model.plural_name}/update.js.erb"

end

#migration_override ⇒ Object 



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# File 'lib/generators/mdwa/user_scaffold/user_scaffold_generator.rb', line 68

def migration_override        

  # override model attributes to not allow field duplicity (causing errors)
  @model.attributes = []
  attributes.each do |attribute|
    attr = MDWA::Generators::ModelAttribute.new( attribute ) 
    
    # add to model attributes
    # if it's not predefined in devise
    # if it's a belongs_to or nested_one association
    if (!attr.references? and !@predefined_fields.include?(attribute.split(':').first)) or 
       (
        (attr.belongs_to? or attr.nested_one?) and 
        User.column_names.to_a.select {|user_attr| user_attr == attr.name.foreign_key}.count.zero?
        )
      @model.add_attribute attr
    end
  end
  migration_template 'migrate.erb', "db/migrate/add_#{@model.attributes.collect{|a| a.name}.join('_')}_to_users" unless @model.attributes.empty?

  # include type in db:seed
  append_file 'db/seeds/site.rb' do
    "\n\nPermission.create( :name => '#{@model.singular_name}' ) if Permission.find_by_name('#{@model.singular_name}').nil?"
  end
  # run rake db:seeds
  if !options.skip_questions and yes?('Run rake db:seed to create permission type?')
    rake 'db:migrate'
    rake 'db:seed' 
  end
end

#model_override ⇒ Object 



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# File 'lib/generators/mdwa/user_scaffold/user_scaffold_generator.rb', line 99

def model_override
  
 return nil if options.only_diff_migration

  # locate the mdwa user to discover the roles
  require_all "#{MDWA::DSL::USERS_PATH}#{@model.singular_name}.rb"
  @mdwa_user = MDWA::DSL.user(@model.name)
  if @mdwa_user.nil?
    @roles = [@model.name]
  else
    @roles = @mdwa_user.user_roles
  end
   
  # model override
  model_path = (@model.specific?) ? "app/models/#{@model.specific_model.space}/#{@model.specific_model.singular_name}.rb" : "app/models/#{@model.space}/#{@model.singular_name}.rb"
  gsub_file model_path, 'ActiveRecord::Base', 'User'
  inject_into_class model_path, @model.model_class do 
    inj = []
    @roles.each do |role|
      inj << "\n\n\tafter_create :create_#{role.underscore}_permission\n"
      inj << "\tdef create_#{role.underscore}_permission"
      inj << "\t\t#{role.underscore}_permission = Permission.find_by_name('#{role.underscore}')"
      inj << "\t\t#{role.underscore}_permission = Permission.create(:name => '#{role.underscore}') if #{role.underscore}_permission.nil?" 
      inj << "\t\tself.permissions.push #{role.underscore}_permission"
      inj << "\tend"
    end
    inj.join("\n")
  end
    
end

#run_rake_db_migrate ⇒ Object 



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# File 'lib/generators/mdwa/user_scaffold/user_scaffold_generator.rb', line 144

def run_rake_db_migrate
  if !options.skip_rake_migrate and !options.skip_migrations and !options.only_interface
    rake('db:migrate') if !options.skip_questions and yes? 'Run rake db:migrate?'
  end
end