development.log

Started POST "/landscapes" for 127.0.0.1 at 2011-07-22 11:07:18 -0500
  Processing by LandscapesController#create as JSON
  Parameters: {"landscape"=>{"id"=>0, "name"=>"Newscape", "city"=>"Fun city", "state"=>"LA", "zip"=>"71457", "images_attributes"=>[{"id"=>0, "image_data"=>"Im a bunch of image data image data image data", "is_thumbnail"=>1}], "address1"=>"Cool place"}}
  SQL (61.9ms) SHOW TABLES[
  Image Load (0.3ms)  SELECT `images`.* FROM `images` WHERE `images`.`id` IN (0) AND (`images`.imageable_id = 0 AND `images`.imageable_type = 'Landscape')
Completed   in 242ms

ActiveRecord::RecordNotFound (Couldn't find Image with ID=0 for Landscape with ID=0):
  app/controllers/landscapes_controller.rb:44:in `new'
  app/controllers/landscapes_controller.rb:44:in `create'

images_controller.rb

class ImagesController < ApplicationController
  # GET /images
  # GET /images.json
  def index
    @imageable = find_imageable
    @images = @imageable.images
    respond_to do |format|
      format.html # index.html.erb
      format.json  { render :json => @images }
    end
  end

  # GET /images/1
  # GET /images/1.json
  def show
    @image = Image.find(params[:id])
    @imageable = find_imageable
    respond_to do |format|
      format.html # show.html.erb
      format.json  { render :json => @image }
    end
  end

  # GET /images/new
  # GET /images/new.json
  def new
    @image = Image.new
    @imageable = find_imageable
    respond_to do |format|
      format.html # new.html.erb
      format.json  { render :json => @image }
    end
  end

  # GET /images/1/edit
  def edit
    @image = Image.find(params[:id])
    @imageable = find_imageable
  end

  # POST /images
  # POST /images.json
  def create
    @imageable = find_imageable
    @image = @imageable.images.build(params[:image])
    respond_to do |format|
      if @image.save
        format.html { redirect_to([@imageable, @image], :notice => 'Image was successfully created.') }
        format.json  { render :json => @image, :status => :created, :location => @image }
      else
        format.html { render :action => "new" }
        format.json  { render :json => @image.errors, :status => :unprocessable_entity }
      end
    end
  end

  # PUT /images/1
  # PUT /images/1.json
  def update
    @image = Image.find(params[:id])
    @imageable = find_imageable
    respond_to do |format|
      if @image.update_attributes(params[:image])
        format.html { redirect_to([@imageable, @image], :notice => 'Image was successfully updated.') }
        format.json  { head :ok }
      else
        format.html { render :action => "edit" }
        format.json  { render :json => @image.errors, :status => :unprocessable_entity }
      end
    end
  end

  # DELETE /images/1
  # DELETE /images/1.json
  def destroy
    @image = Image.find(params[:id])
    @image.destroy
    @imageable = find_imageable
    respond_to do |format|
      format.html { redirect_to(polymorphic_path([@imageable, :images])) }
      format.json  { head :ok }
    end
  end
  
  private

  def find_imageable
    params.each do |name, value|
      if name =~ /(.+)_id$/
        return $1.classify.constantize.find(value)
      end
    end
    nil
  end
  
end

landscapes_controller.rb

class LandscapesController < ApplicationController
  # GET /landscapes
  # GET /landscapes.json
  def index
    @landscapes = Landscape.all

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

  # GET /landscapes/1
  # GET /landscapes/1.json
  def show
    @landscape = Landscape.find(params[:id])

    respond_to do |format|
      format.html # show.html.erb
      format.json  { render :json => @landscape.to_json(:include => :images) }
    end
  end

  # GET /landscapes/new
  # GET /landscapes/new.json
  def new
    @landscape = Landscape.new

    respond_to do |format|
      format.html # new.html.erb
      format.json  { render :json => @landscape }
    end
  end

  # GET /landscapes/1/edit
  def edit
    @landscape = Landscape.find(params[:id])
    @landscape.images.build 
  end

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

  # PUT /landscapes/1
  # PUT /landscapes/1.json
  def update
    @landscape = Landscape.find(params[:id])

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

  # DELETE /landscapes/1
  # DELETE /landscapes/1.json
  def destroy
    @landscape = Landscape.find(params[:id])
    @landscape.destroy

    respond_to do |format|
      format.html { redirect_to(landscapes_url) }
      format.json  { head :ok }
    end
  end
end