Turning one class instance into the instance of another class - ruby-on-rails

Question

I am setting up an artist community, where peers review a piece submitted. I want the administrator to turn pieces with good reviews into a product with a price, color variants, and other attributes that are not present in the original piece model, and take away attributes like reviews. Once the administrator transforms this into a product, the piece instance is destroyed. I want the administrator to do this through a form.
ActiveRecord::Schema.define(version: 20150715145051) do
create_table "prints", force: :cascade do |t|
t.string "name"
t.text "description"
t.integer "pledge"
t.integer "rating"
t.string "category"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "user_id"
t.string "image_file_name"
t.string "image_content_type"
t.integer "image_file_size"
t.datetime "image_updated_at"
t.boolean "in_production"
end
create_table "products", force: :cascade do |t|
t.string "name"
t.string "creator"
t.text "description"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.string "image_file_name"
t.string "image_content_type"
t.integer "image_file_size"
t.datetime "image_updated_at"
end
create_table "reviews", force: :cascade do |t|
t.integer "rating"
t.text "comment"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
create_table "subproducts", force: :cascade do |t|
t.integer "price"
t.integer "quantity"
t.string "size"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
create_table "users", force: :cascade do |t|
t.string "email", default: "", null: false
t.string "encrypted_password", default: "", null: false
t.string "reset_password_token"
t.datetime "reset_password_sent_at"
t.datetime "remember_created_at"
t.integer "sign_in_count", default: 0, null: false
t.datetime "current_sign_in_at"
t.datetime "last_sign_in_at"
t.string "current_sign_in_ip"
t.string "last_sign_in_ip"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.string "avatar_file_name"
t.string "avatar_content_type"
t.integer "avatar_file_size"
t.datetime "avatar_updated_at"
end
add_index "users", ["email"], name: "index_users_on_email", unique: true
add_index "users", ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
end
I want to transform a print into a product. Can I have an example of how this can be done through a form? I don't require the whole bulk of the code, just the gist of the idea. Thank you.

Answer 1

This was an unpopular question, but I found out how to do what I wanted some time later. I will post the solution for anyone that would like to do what I wanted to accomplish.
So I wanted to make an instance of prints into a product page. I set up a control method in the print controller that created a new product instance, using the values of #print to set the product attribute values:
def turn_into_product
#product = Product.new(image: #print.image, name: #print.name, \
description: #print.description, user_id: #print.user_id, print_id: #print.id, \
creator: #print.user.username)
respond_to do |format|
if #product.save
format.html { redirect_to #product, notice: 'Product was successfully created.' }
format.json { render :show, status: :created, location: #product }
else
format.html { render :new }
format.json { render json: #product.errors, status: :unprocessable_entity }
end
end
I then made the connection to this method in the route file:
resources :prints do
member do
put 'flag', 'turn_into_product'
end
end
Finally, I used a 'put' call link_to button on the print show page:
<%= link_to "Turn into Product", turn_into_product_print_path(#print), method: :put, class: "btn btn-success" %>
And voila, New product instance with all the attributes, including images included. At the time of the question I did not have a solid grasp of html method calls in link_to or how to use routes for put methods. I also did not know that you could create instance of another class within a foreign controller. Now that I do, the possibilities seem to have multiplied.