Restore versions DB table and add learning tests

db/migrate/20190302091059_restore_versions.rb

@@ -0,0 +1,15 @@
+class RestoreVersions < ActiveRecord::Migration
+  def change
+    drop_table :versions
+
+    create_table :versions do |t|
+      t.string :item_type, :null => false
+      t.integer :item_id, :null => false
+      t.string :event, :null => false
+      t.string :whodunnit
+      t.text :object
+      t.datetime :created_at
+    end
+    add_index :versions, [:item_type, :item_id]
+  end
+end

db/migrate/20190302111152_add_object_changes_to_versions.rb

@@ -0,0 +1,5 @@
+class AddObjectChangesToVersions < ActiveRecord::Migration
+  def change
+    add_column :versions, :object_changes, :jsonb
+  end
+end

db/structure.sql

@@ -2363,7 +2363,13 @@ ALTER SEQUENCE public.users_id_seq OWNED BY public.users.id;
 
 CREATE TABLE public.versions (
     id integer NOT NULL,
-    depricated_table_but_somehow_paper_trail_tests_fails_without_it text
+    item_type character varying NOT NULL,
+    item_id integer NOT NULL,
+    event character varying NOT NULL,
+    whodunnit character varying,
+    object text,
+    created_at timestamp without time zone,
+    object_changes jsonb
 );
 
 
@@ -3980,6 +3986,13 @@ CREATE INDEX index_users_on_identity_code ON public.users USING btree (identity_
 CREATE INDEX index_users_on_registrar_id ON public.users USING btree (registrar_id);
 
 
+--
+-- Name: index_versions_on_item_type_and_item_id; Type: INDEX; Schema: public; Owner: -; Tablespace: 
+--
+
+CREATE INDEX index_versions_on_item_type_and_item_id ON public.versions USING btree (item_type, item_id);
+
+
 --
 -- Name: index_whois_records_on_domain_id; Type: INDEX; Schema: public; Owner: -; Tablespace: 
 --
@@ -4927,6 +4940,10 @@ INSERT INTO schema_migrations (version) VALUES ('20190102144032');
 
 INSERT INTO schema_migrations (version) VALUES ('20190209150026');
 
+INSERT INTO schema_migrations (version) VALUES ('20190302091059');
+
+INSERT INTO schema_migrations (version) VALUES ('20190302111152');
+
 INSERT INTO schema_migrations (version) VALUES ('20190311111718');
 
 INSERT INTO schema_migrations (version) VALUES ('20190312211614');