Hello I have 2 models Product and ProductSize. I create a ProductSize in an Product form.
Problem is, its not persisting creating the ProductSizes. You should be able to go product.product_sizes and a list of ProductSizes show.
product.rb
class Product < ActiveRecord::Base
acts_as_taggable
belongs_to :user
belongs_to :category
has_many :product_sizes
has_many :product_images, :dependent => :destroy
validates :title, presence: true, length: { maximum: 30 }
validates :description, presence: true, length: { maximum: 2000 }
validates :category, :user, :price, presence: true
accepts_nested_attributes_for :product_images, :product_sizes, allow_destroy: true
end
product_size.rb
class ProductSize < ActiveRecord::Base
belongs_to :product
belongs_to :size
validates :quantity, presence: true
end
Here is my form. The way it works is: User can upload images, then select what category the Product is for. Lets say they select Shirt, then a list of all shirt sizes will drop down like XS, Small, Medium, Large. Then the user puts what quantity they have for the sizes they have. Like 13 XS shirts and 4 large Shirts.
<%= javascript_include_tag "custom" %>
<div class="container">
<div class=“row”>
<div class="col-md-6 col-md-offset-3">
<div class="panel panel-primary">
<div class="panel-body">
<%= simple_nested_form_for @product do |f| %>
<%= f.fields_for :product_images do |product_image| %>
<% if product_image.object.new_record? %>
<%= product_image.file_field(:product_image) %>
<%= product_image.link_to_remove "Remove Image", data: { confirm: "Are you sure you want to delete this image?" } %>
<% else %>
<%= product_image.hidden_field :_destroy %>
<% end %>
<% end %>
<p><%= f.link_to_add "Add a image", :product_images, :data => { :product_image => "#product_images" } %></p>
<%= f.collection_select :category_id, @categories, :id, :name, include_blank: true, prompt: "Select One Category" %>
<% @categories.each do |category| %>
<div class='sizes_container' id ='sizes_container_for_<%= category.id %>'>
<% category.sizes.each do |size| %>
<%= label_tag "product_form[sizes_by_id][#{size.id}]", size.title %>
<%= text_field_tag "product_sizes_attributes[sizes_quantity][#{size.id}]" %>
<% end %>
</div>
<% end %>
<%= f.input :title, label:"Title"%>
<%= f.input :price, label:"Price"%>
<%= f.input :description,label:"Description" %>
<%= f.input :size_description, label:"Size Details"%>
<%= f.input :shipping_description, label:"Shipping Details"%>
<%= f.input :tag_list,label:"Tags - Seperate tags using comma ','. 5 tags allowed per product" %>
<%= f.button :submit, "Create new product", class: "btn-lg btn-success" %>
<% end %>
</div>
</div>
</div>
</div>
</div>
Here are what my params look like at the create action.
36: def create
=> 37: binding.pry
38: @product = Product.new product_params
39: @product.user_id = current_user.id
40: if @product.save
41: redirect_to @product
42: flash[:success] = "You have created a new product"
43: else
44: flash[:danger] = "Your product didn't save"
45: render "new"
46: end
47: end
**[1] pry(#<ProductsController>)> product_params**
=> {"title"=>"test",
"price"=>"3325",
"description"=>"test",
"tag_list"=>"test",
"category_id"=>"3",
"size_description"=>"test",
"shipping_description"=>"test",
"product_images_attributes"=>
{"0"=>
{"product_image"=>
#<ActionDispatch::Http::UploadedFile:0x007f8cb786a010
@content_type="image/jpeg",
@headers="Content-Disposition: form-data; name=\"product[product_images_attributes][0][product_image]\"; filename=\"780069_black_l.jpg\"\r\nContent-Type: image/jpeg\r\n",
@original_filename="780069_black_l.jpg",
@tempfile=#<File:/var/folders/yx/znmx6qfj0c507bvkym6lvhxh0000gn/T/RackMultipart20151223-46388-p07o84.jpg>>,
"_destroy"=>"false"},
"1450863732810"=>
{"product_image"=>
#<ActionDispatch::Http::UploadedFile:0x007f8cb7869e08
@content_type="image/jpeg",
@headers="Content-Disposition: form-data; name=\"product[product_images_attributes][1450863732810][product_image]\"; filename=\"20090a.jpg\"\r\nContent-Type: image/jpeg\r\n",
@original_filename="20090a.jpg",
@tempfile=#<File:/var/folders/yx/znmx6qfj0c507bvkym6lvhxh0000gn/T/RackMultipart20151223-46388-n9mzf2.jpg>>,
"_destroy"=>"false"}}}
[2] pry(#<ProductsController>)> params
=> {"utf8"=>"✓",
"authenticity_token"=>"jfh6vsb1N1zhAIFyzer4liwuV+iHQ+P8pF6mZHUyF8IXNn6oXqnLDse84jnrP3BKI889CWigIDqVMJncxOYZ9Q==",
"product"=>
{"product_images_attributes"=>
{"0"=>
{"product_image"=>
#<ActionDispatch::Http::UploadedFile:0x007f8cb786a010
@content_type="image/jpeg",
@headers="Content-Disposition: form-data; name=\"product[product_images_attributes][0][product_image]\"; filename=\"780069_black_l.jpg\"\r\nContent-Type: image/jpeg\r\n",
@original_filename="780069_black_l.jpg",
@tempfile=#<File:/var/folders/yx/znmx6qfj0c507bvkym6lvhxh0000gn/T/RackMultipart20151223-46388-p07o84.jpg>>,
"_destroy"=>"false"},
"1450863732810"=>
{"product_image"=>
#<ActionDispatch::Http::UploadedFile:0x007f8cb7869e08
@content_type="image/jpeg",
@headers="Content-Disposition: form-data; name=\"product[product_images_attributes][1450863732810][product_image]\"; filename=\"20090a.jpg\"\r\nContent-Type: image/jpeg\r\n",
@original_filename="20090a.jpg",
@tempfile=#<File:/var/folders/yx/znmx6qfj0c507bvkym6lvhxh0000gn/T/RackMultipart20151223-46388-n9mzf2.jpg>>,
"_destroy"=>"false"}},
"category_id"=>"3",
"title"=>"test",
"price"=>"3325",
"description"=>"test",
"size_description"=>"test",
"shipping_description"=>"test",
"tag_list"=>"test"},
"product_sizes_attributes"=>{"sizes_quantity"=>{"1"=>"3", "2"=>"4", "3"=>""}},
"commit"=>"Create new product",
"controller"=>"products",
"action"=>"create"}
[3] pry(#<ProductsController>)> params[:product_sizes_attributes]
=> {"sizes_quantity"=>{"1"=>"3", "2"=>"4", "3"=>""}}
