Add empty pd declaration page

app/abilities/ability.rb

@@ -29,7 +29,7 @@ class Ability
 
     if user&.active?
       can :welcome, :site
-      can :read, [:deletion, :account_terms]
+      can :read, [:deletion, :account_terms, :account_pd_declaration]
 
       if Settings.status != "database_offline"
         can [:subscribe, :unsubscribe], Changeset

app/controllers/accounts/pd_declarations_controller.rb

@@ -0,0 +1,12 @@
+module Accounts
+  class PdDeclarationsController < ApplicationController
+    layout "site"
+
+    before_action :authorize_web
+    before_action :set_locale
+
+    authorize_resource :class => :account_pd_declaration
+
+    def show; end
+  end
+end

app/views/accounts/pd_declarations/show.html.erb

@@ -0,0 +1,3 @@
+<% content_for :heading do %>
+  <h1><%= t ".title" %></h1>
+<% end %>

config/locales/en.yml

@@ -324,6 +324,9 @@ en:
         terms_declined_html: We are sorry that you have decided to not accept the new Contributor Terms. For more information, please see %{terms_declined_link}.
         terms_declined_link: this wiki page
         terms_declined_url: https://wiki.openstreetmap.org/wiki/Contributor_Terms_Declined
+    pd_declarations:
+      show:
+        title: Consider my contributions to be in the Public Domain
   browse:
     deleted_ago_by_html: "Deleted %{time_ago} by %{user}"
     edited_ago_by_html: "Edited %{time_ago} by %{user}"

config/routes.rb

@@ -279,6 +279,7 @@ OpenStreetMap::Application.routes.draw do
   resource :account, :only => [:edit, :update, :destroy] do
     scope :module => :accounts do
       resource :terms, :only => [:show, :update]
+      resource :pd_declaration, :only => :show
       resource :deletion, :only => :show
     end
   end

test/controllers/accounts/pd_declarations_controller_test.rb

@@ -0,0 +1,29 @@
+require "test_helper"
+
+module Accounts
+  class PdDeclarationsControllerTest < ActionDispatch::IntegrationTest
+    ##
+    # test all routes which lead to this controller
+    def test_routes
+      assert_routing(
+        { :path => "/account/pd_declaration", :method => :get },
+        { :controller => "accounts/pd_declarations", :action => "show" }
+      )
+    end
+
+    def test_show_not_logged_in
+      get account_pd_declaration_path
+
+      assert_redirected_to login_path(:referer => account_pd_declaration_path)
+    end
+
+    def test_show_agreed
+      user = create(:user)
+      session_for(user)
+
+      get account_pd_declaration_path
+
+      assert_response :success
+    end
+  end
+end