#projecthydra 'uninitialized constant Book::BookMetadata error' seems to be caused by change is Rails class loading

book.rb

# corrected app/models/book.rb
class Book < ActiveFedora::Base
  has_metadata 'descMetadata', type: Datastreams::BookMetadata

  has_attributes :title, datastream: 'descMetadata', multiple: false
  has_attributes :author, datastream: 'descMetadata', multiple: false

  # within app/models/book.rb
  has_many :pages, :property=> :is_part_of
end

book_metadata.rb

# corrected app/models/datastreams/book_metadata.rb
class Datastreams::BookMetadata < ActiveFedora::OmDatastream

  set_terminology do |t|
    t.root(path: "fields")
    t.title(index_as: :stored_searchable)
    t.author(index_as: :stored_searchable)
  end

  def self.xml_template
    Nokogiri::XML.parse("<fields/>")
  end
end

error_response

NameError in BooksController#index
uninitialized constant Book::BookMetadata

Extracted source (around line #2):
1 class Book < ActiveFedora::Base
2  has_metadata 'descMetadata', type: BookMetadata
3
4  has_attributes :title, datastream: 'descMetadata', multiple: false
5  has_attributes :author, datastream: 'descMetadata', multiple: false
6
          
class Book < ActiveFedora::Base
  has_metadata 'descMetadata', type: BookMetadata

  has_attributes :title, datastream: 'descMetadata', multiple: false
  has_attributes :author, datastream: 'descMetadata', multiple: false


Rails.root: /var/www/sites/hydra-demo

Application Trace | Framework Trace | Full Trace
app/models/book.rb:2:in `<class:Book>'
app/models/book.rb:1:in `<top (required)>'
app/controllers/books_controller.rb:7:in `index'
Request

Parameters:

None
Toggle session dump
_csrf_token: "uq0/63yNVilpiIy7skaQ9t2FBC98TIpH6aeZYivJjVQ="
guest_user_id: "guest_1nreuumgda_76q9ix4mt_1397082483_1@example.com"
history: [1]
search: {:id=>1, :counter=>"1", :total=>1}
session_id: "6367b406f84f2944474bb4ae5240c2b8"
Toggle env dump
GATEWAY_INTERFACE: "CGI/1.1"
HTTP_ACCEPT: "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8"
HTTP_ACCEPT_ENCODING: "gzip,deflate,sdch"
HTTP_ACCEPT_LANGUAGE: "en-US,en;q=0.8"
REMOTE_ADDR: "192.168.33.1"
REMOTE_HOST: "192.168.33.1"
SERVER_NAME: "sandbox-server"
SERVER_PROTOCOL: "HTTP/1.1"
Response

Headers:

None

page.rb

# corrected app/models/page.rb
class Page < ActiveFedora::Base
  has_metadata 'descMetadata', type: Datastreams::PageMetadata

  belongs_to :book, :property=> :is_part_of

  has_attributes :number, datastream: 'descMetadata', multiple: false
  has_attributes :text, datastream: 'descMetadata', multiple: false

  has_file_datastream "pageContent"
end

page_metadata.rb

# corrected app/models/datastreams/page_metadata.rb
class Datastreams::PageMetadata < ActiveFedora::OmDatastream

  set_terminology do |t|
    t.root(path: "fields")
    t.number index_as: :stored_searchable, type: :integer
    t.text index_as: :stored_searchable

  end

  def self.xml_template
    Nokogiri::XML.parse("<fields/>")
  end
end