#This is meant to be extended by other controller
#Provides basic Restful CRUD
class Cms::ResourceController < Cms::BaseController

  def index
    instance_variable_set("@#{variable_name.pluralize}", resource.all(:order => order_by_column))
  end

  def new
    instance_variable_set("@#{variable_name}", build_object)
  end

  def create
    @object = build_object(params[variable_name])
    if @object.save
      flash[:notice] = "#{resource_name.singularize.titleize} '#{object_name}' was created"
      redirect_to after_create_url
    else
      instance_variable_set("@#{variable_name}", @object)
      if (params[:on_fail_action])
        render :action => params[:on_fail_action]
      else
        render :action => 'new'
      end
    end
  end

  def show
    instance_variable_set("@#{variable_name}", resource.find(params[:id]))
  end

  def edit
    instance_variable_set("@#{variable_name}", resource.find(params[:id]))
  end

  def update
    @object = resource.find(params[:id])
    if @object.update_attributes(params[variable_name])
      flash[:notice] = "#{resource_name.singularize.titleize} '#{object_name}' was updated"
      redirect_to after_update_url
    else
      instance_variable_set("@#{variable_name}", @object)
      if (params[:on_fail_action])
        render :action => params[:on_fail_action]
      else
        render :action => 'edit'
      end
    end
  end

  def destroy
    @object = resource.find(params[:id])
    if @object.destroy
      flash[:notice] = "#{resource_name.singularize.titleize} '#{object_name}' was deleted"
    end
    redirect_to index_url
  end

  protected
  def resource_name
    controller_name
  end

  def variable_name
    resource_name.singularize
  end

  def resource
    resource_name.classify.constantize
  end

  def build_object(params={})
    resource.new(params)
  end

  def object_name
    return nil unless @object
    @object.respond_to?(:name) ? @object.name : @object.to_s
  end

  def index_url
    cms_index_url_for(resource_name)
  end

  def after_create_url
    show_url
  end

  def after_update_url
    show_url
  end

  def show_url
    [:cms, @object]
  end

  def order_by_column
    "name"
  end

  def new_template;
    'cms/blocks/new'
  end
  def edit_template;
    'cms/blocks/edit'
  end

end