gistfile1.txt

class Location < ActiveRecord::Base¬
▸       has_many :location_images, :dependent => :destroy¬
▸       has_friendly_id :name, :use_slug => true¬
▸       attr_accessible :cached_slug, :name, :description, :location_images_attributes¬
¬
▸       accepts_nested_attributes_for :location_images, :reject_if => lambda { |t| t['location_image'].nil? }¬
¬
end¬


class LocationImage < ActiveRecord::Base¬
belongs_to :location¬
has_attached_file :photo, :styles => { :small => "150x150>", :large => "320x240>" }¬
validates_attachment_presence :photo¬
¬
¬
end¬
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class LocationsController < ApplicationController
  # GET /locations
  # GET /locations.xml
  def index
    @locations = Location.all

    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @locations }
    end
  end

  # GET /locations/1
  # GET /locations/1.xml
  def show
    @location = Location.find(params[:id])

    respond_to do |format|
      format.html # show.html.erb
      format.xml  { render :xml => @location }
    end
  end

  # GET /locations/new
  # GET /locations/new.xml
  def new
    @location = Location.new
    3.times {@location.location_images.build} 
    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @location }
    end
  end

  # GET /locations/1/edit
  def edit
    @location = Location.find(params[:id])
    3.times { @location.location_images.build }
   end

  # POST /locations
  # POST /locations.xml
  def create
    @location = Location.new(params[:location])
    raise params.to_yaml
    respond_to do |format|
      if @location.save
        format.html { redirect_to(@location, :notice => 'Location was successfully created.') }
        format.xml  { render :xml => @location, :status => :created, :location => @location }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @location.errors, :status => :unprocessable_entity }
      end
    end
  end

  # PUT /locations/1
  # PUT /locations/1.xml
  def update
    @location = Location.find(params[:id])

    respond_to do |format|
      if @location.update_attributes(params[:location])
        format.html { redirect_to(@location, :notice => 'Location was successfully updated.') }
        format.xml  { head :ok }
      else
        format.html { render :action => "edit" }
        format.xml  { render :xml => @location.errors, :status => :unprocessable_entity }
      end
    end
  end

  # DELETE /locations/1
  # DELETE /locations/1.xml
  def destroy
    @location = Location.find(params[:id])
    @location.destroy

    respond_to do |format|
      format.html { redirect_to(locations_url) }
      format.xml  { head :ok }
    end
  end
end