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POI am trying to duplicate an activerecord record, but receive NoMethodError - undefined method
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  1. POI am trying to duplicate an activerecord record, but receive NoMethodError - undefined method
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    copied!<p>Forgive my ignorance but I am quite new to RoR. I am working on a project where users are able to duplicate a post in order to edit this "cloned version" and to save it (with a new post id, of course).</p> <p>First I tried to use the <a href="https://github.com/rocksolidwebdesign/amoeba#readme" rel="nofollow noreferrer">Amoeba gem</a> described like <a href="https://stackoverflow.com/questions/60033/what-is-the-easiest-way-to-duplicate-an-activerecord-record">here</a>, but I failed. </p> <p>Then I thought I found a better solution - <a href="https://stackoverflow.com/questions/11993012/duplicating-a-record-in-rails-3?lq=1">Duplicating a record in Rails 3</a> - but when I am integrating the suggested code, I am receiving the following error: </p> <p>NoMethodError in Posts#show undefined method `clone_post_path' for #&lt;#:0x0000010267b8c8></p> <p>Researching and tinkering for hours now, I would really appreciate any help!</p> <p>I am using Rails 3.2.13.</p> <p>In my posts_controller I have the following code:</p> <pre><code> def show @post = Post.find(params[:id]) respond_to do |format| format.html # show.html.erb format.json { render json: @post } end end def new @post = current_user.posts.new respond_to do |format| format.html # new.html.erb format.json { render json: @post } end end def clone @post = current_user.posts.find(params[:id]) # find original object @post = current_user.posts.new(@post.attributes) # initialize duplicate (not saved) render :new # render same view as "new", but with @post attributes already filled in end def create @post = current_user.posts.new(params[:post]) respond_to do |format| if @post.save format.html { redirect_to @post, notice: 'Post was successfully created.' } format.json { render json: @post, status: :created, location: @post } else format.html { render action: "new" } format.json { render json: @post.errors, status: :unprocessable_entity } end end end </code></pre> <p>This is the post.rb model:</p> <pre><code> class Post &lt; ActiveRecord::Base attr_accessible :content, :title, :videos, :link, :description validates :title, presence: true belongs_to :user end </code></pre> <p>In the show view I call this:</p> <pre><code>&lt;%= link_to 'Create a clone', clone_post_path(@post) %&gt; </code></pre> <p>What am I doing wrong? Thank you so much in advance for any help!</p> <p>UPDATE: Adding </p> <pre><code>resources :posts do get 'clone', on: :member end </code></pre> <p>to the routes file worked.</p> <p>Here is the routes file:</p> <pre><code> Tt::Application.routes.draw do devise_for :users get 'about' =&gt; 'pages#about' resources :posts root :to =&gt; 'pages#home' post 'attachments' =&gt; 'images#create' resources :posts do get 'clone', on: :member end </code></pre> <p>end</p> <p>Unfortunately afterwards a new error occurred:</p> <p>ActiveModel::MassAssignmentSecurity::Error in PostsController#clone Can't mass-assign protected attributes: id, created_at, updated_at, image_file_name, image_content_type, image_file_size, image_updated_at, file, user_id</p>
 

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