Mapped dynamic entries "undefined method" error.

[Jonic]

I've been trying to set up a mapped entry with dynamic_entries: :auto, but if I try to access any of the entry's fields in the view, I get undefined method. I'm using Rails 3 (don't ask) and v1.0.0 of this Gem, here's my controller:

class ContentfulPagesController < ApplicationController
  before_filter :connect_to_contentful_api, :set_url

  def show
    @response = @contentful.entry(nil, :content_type => 'page',
                                       'fields.url'  => @url,
                                       :include      => 10,
                                       :limit        => 1)

    @page = @response.first
  end

  private

  def connect_to_contentful_api
    @contentful = Contentful::Client.new(
      :access_token    => 'foo',
      :dynamic_entries => :auto,
      :entry_mapping   => {
        'page' => ContentfulPage,
      },
      :space           => 'bar',
    )
  end

  def set_url
    @url = '/'
  end
end

The ContentfulPage model:

class ContentfulPage < Contentful::Entry
  # Currently empty
end

The Entry returned from the API:

#<ContentfulPage: @fields={:title=>"Home", :url=>"/"} @sys={ ... }>

And the view that's trying to output the title field:

<%= @page.title %>

No matter what I try, I'm always getting this error:

undefined method `title' for #<ContentfulPage:0x007f4652d21370>

I've seen a few tickets here with people suffering similar issues, but they all appear to have been going about it the wrong way, or there was a bug which has since been fixed. Am I also doing this wrong?

Other things I've tried:

• Inheriting the ContentfulPage model from Contentful::DynamicEntry
• Adding property fields to the model
• Adding the initialize method from this comment on a closed issue: Custom-Resource Classes: undefined method `[]=' for nil:NilClass in resource_builder:182 #79 (comment)
• Including Contentful::Resource in the model (with and without property fields)

I'm going round in circles and can't seem to figure this out. Any chance someone can help out please? :)

[dlitvakb]

Hey @Jonic,

Contentful::Entry does not support field accessors, you have to either inherit from Contentful::DynamicEntry or avoid inheritance at all and use the built-in Contentful classes.

Unless you want to add custom behaviour, they should work out of the box.

In case of wanting custom behaviour, changing to inheriting Contentful::DynamicEntry should solve most of your problems.

Hope this helps

Cheers

[Jonic]

@dlitvakb Hi David, thanks for that - unfortunately that's one of the things I've tried already, and I still couldn't get it to work!

What I've done instead is provided a list of fields for each class, and then during initialize I've looped through them and created dynamically named methods for each. That was the only thing I could think of to get it working for me!

If I've missed something obvious about inheriting from Contentful::DynamicEntry the please let me know, but for now I'm happy with this solution too :)