DraftVersion base model and very basic admin pages

app/controllers/admin/legislation/draft_versions_controller.rb

@@ -0,0 +1,43 @@
+class Admin::Legislation::DraftVersionsController < Admin::Legislation::BaseController
+  load_and_authorize_resource :process, class: "Legislation::Process"
+  load_and_authorize_resource :draft_version, class: "Legislation::DraftVersion", through: :process
+
+  def index
+    @draft_versions = @process.draft_versions
+  end
+
+  def create
+    @draft_version = @process.draft_versions.new(draft_version_params)
+    if @process.save
+      redirect_to admin_legislation_process_draft_versions_path
+    else
+      render :new
+    end
+  end
+
+  def update
+    if @draft_version.update(draft_version_params)
+      redirect_to admin_legislation_process_draft_versions_path
+    else
+      render :edit
+    end
+  end
+
+  def destroy
+    @draft_version.destroy
+    redirect_to admin_legislation_process_draft_versions_path
+  end
+
+  private
+
+    def draft_version_params
+      params.require(:legislation_draft_version).permit(
+        :legislation_process_id,
+        :title,
+        :changelog,
+        :status,
+        :final_version,
+        :body
+      )
+    end
+end