Add sampleIdentifier to Identify

Author: johnf

lib/oai/provider.rb

@@ -55,6 +55,7 @@
 #    repository_url 'http://localhost/provider'
 #    record_prefix 'oai:localhost'
 #    admin_email 'root@localhost'
+#    sample_identifier 'oai:pubmedcentral.gov:13900'
 #    source_model MyModel.new
 #  end
 #
@@ -97,6 +98,7 @@
 #     record_prefix 'oai:blog'
 #     admin_email 'root@localhost'
 #     source_model OAI::Provider::ActiveRecordWrapper.new(Post)
+#     sample_identifier 'oai:pubmedcentral.gov:13900'
 #   end
 #
 # Create a custom controller:
@@ -184,7 +186,7 @@ class Base
 
     class << self
       attr_reader :formats
-      attr_accessor :name, :url, :prefix, :email, :delete_support, :granularity, :model
+      attr_accessor :name, :url, :prefix, :email, :delete_support, :granularity, :model, :identifier
 
       def register_format(format)
         @formats ||= {}
@@ -218,6 +220,7 @@ def inherited(klass)
       alias_method :deletion_support,   :delete_support=  
       alias_method :update_granularity, :granularity=     
       alias_method :source_model,       :model=
+      alias_method :sample_id,          :identifier=
 
     end
 
@@ -228,6 +231,7 @@ def inherited(klass)
     Base.admin_email 'nobody@localhost'
     Base.deletion_support OAI::Const::Delete::TRANSIENT
     Base.update_granularity OAI::Const::Granularity::HIGH
+    Base.sample_id '13900'
 
     Base.register_format(OAI::Provider::Metadata::DublinCore.instance)
 

lib/oai/provider/response/identify.rb

@@ -16,6 +16,14 @@ def to_xml
           r.earliestDatestamp Time.parse(provider.model.earliest.to_s).utc.xmlschema
           r.deletedRecord provider.delete_support.to_s
           r.granularity provider.granularity
+          r.description do
+            r.tag! 'oai-identifier', 'xmlns' => 'http://www.openarchives.org/OAI/2.0/oai-identifier', 'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance', 'xsi:schemaLocation' => 'http://www.openarchives.org/OAI/2.0/oai-identifier http://www.openarchives.org/OAI/2.0/oai-identifier.xsd' do
+              r.scheme 'oai'
+              r.repositoryIdentifier provider.prefix.gsub(/oai:/, '')
+              r.delimiter ':'
+              r.sampleIdentifier "#{provider.prefix}:#{provider.identifier}"
+            end
+          end
         end
       end
     end