datamodel improved

app/models/ac_number.rb

+class AcNumber < ActiveRecord::Base
+  unloadable
+end

app/models/eprint.rb

+class Eprint < ActiveRecord::Base
+  unloadable
+end

db/migrate/001_create_eprints.rb

+class CreateEprints < ActiveRecord::Migration
+  def change
+    create_table :eprints do |t|
+      t.integer :eprint_id
+      t.string :eprint_status
+      t.string :eprint_type
+      t.string :eprint_sperre
+      t.string :eprint_einverstaendnis
+      t.string :ac_number
+      t.string :ac_number_status
+      t.string :matr
+      t.string :matr_status
+      t.string :urn
+      t.string :urn_status
+      t.string :item_status
+    end
+  end
+end

db/migrate/002_create_ac_numbers.rb

+class CreateAcNumbers < ActiveRecord::Migration
+  def change
+    create_table :ac_numbers do |t|
+      t.string :ac_number
+      t.string :context
+      t.string :context_id
+      t.string :context_url
+      t.integer :xml_ts
+      t.string :xml_urn
+      t.string :xml_url
+      t.string :item_status
+      t.string :error_source
+      t.string :error_text
+      t.string :urn_status
+      t.string :urn_req_id
+      t.string :urn_value
+    end
+  end
+end

test/unit/ac_number_test.rb

+require File.expand_path('../../test_helper', __FILE__)
+
+class AcNumberTest < ActiveSupport::TestCase
+
+  # Replace this with your real tests.
+  def test_truth
+    assert true
+  end
+end

test/unit/eprint_test.rb

+require File.expand_path('../../test_helper', __FILE__)
+
+class EprintTest < ActiveSupport::TestCase
+
+  # Replace this with your real tests.
+  def test_truth
+    assert true
+  end
+end