carrierwave - How to get id of created image in rails -

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i have recipe model , recipephoto model. want show thumbnail of scaled image on creating new recipe. upload photo through jquery-file-upload. problem don't know how id of uploaded photo.

example:

user creating new recipe. loads photo , crops on server , see thumbnail preview before submitting recipe.

recipes_controller.rb

 def new     @recipe = recipe.new     @recipe_photo = recipephoto.new   end

recipes/new.html.slim

= simple_form_for @recipe, :html => {:class => 'add-recipe-form'} |recipe|   .form-inputs     = recipe.input :title    .form-actions   = recipe.submit "create recipe"  = form_for @recipe_photo |f|    .form-inputs     = f.label :image, "upload paintings:"     = f.file_field :image, multiple: false

recipe_photo.js.coffee (here can filename, not record_id)

$ ->   $('.new_recipe_photo').fileupload     datatype: "script"     done: (e, data) ->       console.log data.files[0], data.files[0].name

recipe_photo.rb

class recipephoto < activerecord::base   attr_accessible :recipe_id, :image    belongs_to :recipe    mount_uploader :image, recipeimageuploader   end


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