Use OpenStruct instead of implementing our own version

lib/arclight/repository.rb

@@ -1,22 +1,18 @@
 # frozen_string_literal: true
 
+require 'ostruct'
+
 module Arclight
   #
   # Static information about a given repository identified by a unique `slug`
   #
-  class Repository
+  class Repository < OpenStruct
     include ActiveModel::Conversion # for to_partial_path
 
-    attr_accessor :name, :slug, :collection_count
-
     # @param [String] `slug` the unique identifier for the repository
     # @param [Hash] `data`
     def initialize(slug, data = {})
-      @slug = slug
-      data.each do |field, value|
-        self.class.attr_accessor field.to_sym
-        send("#{field}=", value) if value.present?
-      end
+      super(**data, slug: slug)
     end
 
     # @return [String] handles the formatting of "city, state zip, country"

spec/helpers/arclight_helper_spec.rb

@@ -305,7 +305,7 @@
     context 'when searching within a repository' do
       before do
         expect(helper).to receive_messages(
-          repository_faceted_on: instance_double(Arclight::Repository, name: 'Repository Name')
+          repository_faceted_on: Arclight::Repository.new(nil, name: 'Repository Name')
         )
       end
 

spec/models/arclight/document_downloads_spec.rb

@@ -72,7 +72,7 @@
     context 'when a template is provided for the href' do
       before do
         allow(document).to receive(:repository_config).and_return(
-          instance_double(Arclight::Repository, slug: 'the-repo-id')
+          Arclight::Repository.new('the-repo-id')
         )
       end