adding learning object publisher

app/services/dspace_service.rb

 require 'dspace'
 
 class DspaceService
-  @config = nil
 
   def self.create_client
-    config
-
-    dspace_client = Dspace::Client.new(dspace_api: @config['link'])
-    dspace_client.login @config['login'], @config['password']
-
+    dspace_client = Dspace::Client.new(dspace_api: config['link'])
+    dspace_client.login config['login'], config['password']
     dspace_client
   end
 
   def self.link
-    config
-
-    @config['link']
+    config['link']
   end
 
   private
 
   def self.config
-    if @config.nil?
-      @config = {}
-
-      if Rails.env.production?
-        @config['link'] = "https://#{ENV['PORTALMEC_DSPACE_HOST']}:#{ENV['PORTALMEC_DSPACE_PORT']}"
-        @config['login'] = ENV['PORTALMEC_DSPACE_LOGIN']
-        @config['password'] = ENV['PORTALMEC_DSPACE_PASSWORD']
-      else
-        yml_file = YAML.load_file(Rails.root.join('config').to_s.concat('/dspace.yml'))
-        yml = yml_file.fetch(Rails.env)
-
-        @config['link'] = "https://#{yml['host']}:#{yml['port']}"
-        @config['login'] = yml['login']
-        @config['password'] = yml['password']
-      end
+    @config = {}
+
+    if Rails.env.production?
+      @config['link'] = "https://#{ENV['PORTALMEC_DSPACE_HOST']}:#{ENV['PORTALMEC_DSPACE_PORT']}"
+      @config['login'] = ENV['PORTALMEC_DSPACE_LOGIN']
+      @config['password'] = ENV['PORTALMEC_DSPACE_PASSWORD']
+    else
+      yml_file = YAML.load_file(Rails.root.join('config').to_s.concat('/dspace.yml'))
+      yml = yml_file.fetch(Rails.env)
+
+      @config['link'] = "https://#{yml['host']}:#{yml['port']}"
+      @config['login'] = yml['login']
+      @config['password'] = yml['password']
     end
+
   end
 end

app/services/learning_object_publisher.rb

+class LearningObjectPublisher
+
+  def initialize(dspace_client)
+    @dspace = dspace_client
+  end
+
+end
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