Disable page publish button if language is not yet public

In order to tell people that they should publish the language before
publishing the page we disable the publish button with a nice little
notice.

app/assets/stylesheets/alchemy/buttons.scss

@@ -40,10 +40,6 @@ input.button {
 
   &[disabled] {
     cursor: not-allowed;
-
-    & + label {
-      display: none;
-    }
   }
 }
 

app/views/alchemy/admin/pages/edit.html.erb

@@ -56,23 +56,35 @@
     <% end %>
     <label><%= Alchemy.t(:page_properties) %></label>
   </div>
-  <% if can?(:publish, @page) %>
-    <div class="button_with_label">
-      <%= form_tag alchemy.publish_admin_page_path(@page), id: 'publish_page_form' do %>
-        <%= button_tag class: 'icon_button', title: Alchemy.t(:explain_publishing) do %>
-          <%= render_icon('cloud-upload-alt') %>
-        <% end %>
-        <label><%= Alchemy.t("Publish page") %></label>
+  <div class="button_with_label">
+    <%= form_tag alchemy.publish_admin_page_path(@page), id: 'publish_page_form' do %>
+      <%= button_tag class: 'icon_button', disabled: cannot?(:publish, @page) do %>
+        <%= render_icon('cloud-upload-alt') %>
       <% end %>
-    </div>
-  <% end %>
+      <label>
+        <% if @page.language.public? %>
+          <%= Alchemy.t(:explain_publishing) %>
+        <% elsif @page.editable_by?(current_alchemy_user) %>
+          <%= Alchemy.t(:publish_page_language_not_public) %>
+        <% else %>
+          <%= Alchemy.t(:publish_page_not_allowed) %>
+        <% end %>
+      </label>
+    <% end %>
+  </div>
   <% unless @page.layoutpage? %>
     <div class="button_with_label">
       <%= form_tag alchemy.visit_admin_page_path(@page), id: 'visit_page_form' do %>
         <%= button_tag class: 'icon_button', disabled: !@page.public? do %>
           <%= render_icon('external-link-alt') %>
         <% end %>
-        <label><%= Alchemy.t("Visit page") %></label>
+        <label>
+          <% if @page.public? %>
+            <%= Alchemy.t("Visit page") %>
+          <% else %>
+            <%= Alchemy.t(:cannot_visit_unpublic_page) %>
+          <% end %>
+        </label>
       <% end %>
     </div>
   <% end %>

config/locales/alchemy.en.yml

@@ -266,7 +266,6 @@ en:
     "Please log in": "Please log in."
     "Please seperate the tags with commata": "* Please seperate the tags with commas."
     "Properties": "Properties"
-    "Publish page": "Publish page"
     "Read the License": "Read the License"
     "Redirects to": "Redirects to"
     "Reload Preview": "Reload Preview"
@@ -334,6 +333,7 @@ en:
     big_thumbnails: "Big thumbnails"
     cancel: "cancel"
     cannot_delete_picture_notice: "Cannot delete Picture %{name}, because it's still in use."
+    cannot_visit_unpublic_page: "Publish page before visiting it."
     choose_file_to_link: "Please choose a file to link"
     "clear clipboard": "clear clipboard"
     click_to_show_all: "Click to show all again."
@@ -390,7 +390,7 @@ en:
     element_saved: "Saved element."
     enter_external_link: "Please enter the URL you want to link with"
     explain_cropping: "<p>Move the frame and change its size with the mouse or arrow keys to adjust the image mask. Click on \"apply\" when you are satisfied with your selection.</p><p>If you want to return to the original centered image mask like it was defined in the layout, click \"reset\" and \"apply\" afterwards.</p>"
-    explain_publishing: "Publish the page and remove the cached version from the server."
+    explain_publishing: "Publish current page content"
     explain_sitemap_dragndrop_sorting: "Tip: Drag the pages at the icon in order to sort them."
     explain_unlocking: "Leave page and unlock it for other users."
     external_link_notice_1: "Please enter the complete url with http:// or a similar protocol."
@@ -535,6 +535,8 @@ en:
       '1024': '1024px (iPad - Landscape)'
       '1280': '1280px (Desktop)'
     preview_url: Preview
+    publish_page_language_not_public: Cannot publish page if language is not public
+    publish_page_not_allowed: You have not the permission to publish this page
     recently_uploaded_only: 'Recently uploaded only'
     "regular method": "Regular method"
     remove: "Remove"

lib/alchemy/permissions.rb

@@ -158,8 +158,12 @@ def alchemy_editor_rules
         can([
           :create,
           :destroy,
-          :publish,
         ], Alchemy::Page) { |p| p.editable_by?(@user) }
+        end
+
+        can(:publish, Alchemy::Page) do |page|
+          page.language.public? && page.editable_by?(@user)
+        end
 
         can :manage, Alchemy::Picture
         can :manage, Alchemy::Attachment

spec/features/admin/page_editing_feature_spec.rb

@@ -10,7 +10,7 @@
 
     it "cannot publish page." do
       visit alchemy.edit_admin_page_path(a_page)
-      expect(page).to_not have_selector("#publish_page_form")
+      expect(page).to have_selector("#publish_page_form button[disabled]")
     end
 
     describe "the preview frame", :js do

spec/libraries/permissions_spec.rb

@@ -167,8 +167,22 @@
       is_expected.to be_able_to(:switch_language, Alchemy::Page)
     end
 
-    it "can publish pages" do
-      is_expected.to be_able_to(:publish, Alchemy::Page)
+    context "if page language is public" do
+      let(:language) { create(:alchemy_language, :german, public: true) }
+      let(:page) { create(:alchemy_page, language: language) }
+
+      it "can publish pages" do
+        is_expected.to be_able_to(:publish, page)
+      end
+    end
+
+    context "if page language is not public" do
+      let(:language) { create(:alchemy_language, :german, public: false) }
+      let(:page) { create(:alchemy_page, language: language) }
+
+      it "cannot publish pages" do
+        is_expected.to_not be_able_to(:publish, page)
+      end
     end
 
     it "can manage attachments" do