pundit: convert wiki pages to pundit.

app/views/wiki_pages/_form.html.erb

@@ -7,7 +7,7 @@
 
     <%= dtext_field "wiki_page", "body" %>
 
-    <% if CurrentUser.is_builder? %>
+    <% if policy(@wiki_page).can_edit_locked? %>
       <%= f.input :is_locked, label: "Locked", hint: "Locked wikis can only be edited by Builders." %>
     <% end %>
 

app/views/wiki_pages/_secondary_links.html.erb

@@ -2,7 +2,7 @@
   <%= quick_search_form_for(:title_normalize, wiki_pages_path, "wiki pages", autocomplete: "wiki-page", redirect: true) %>
   <%= subnav_link_to "Listing", wiki_pages_path %>
   <%= subnav_link_to "Search", search_wiki_pages_path %>
-  <% if CurrentUser.is_member? %>
+  <% if policy(WikiPage).new? %>
     <%= subnav_link_to "New", new_wiki_page_path %>
   <% end %>
   <%= subnav_link_to "Help", wiki_page_path("help:wiki") %>
@@ -13,7 +13,7 @@
     <li>|</li>
     <%= subnav_link_to "Posts (#{@wiki_page.tag.try(:post_count) || 0})", posts_path(:tags => @wiki_page.title) %>
     <%= subnav_link_to "History", wiki_page_versions_path(:search => {:wiki_page_id => @wiki_page.id}) %>
-    <% if CurrentUser.is_member? %>
+    <% if policy(@wiki_page).edit? %>
       <%= subnav_link_to "Edit", edit_wiki_page_path(@wiki_page.id), "data-shortcut": "e" %>
 
       <% if @wiki_page.is_deleted? %>
@@ -28,7 +28,7 @@
     <% if @wiki_page_version.previous %>
       <%= subnav_link_to "Diff", diff_wiki_page_versions_path(:otherpage => @wiki_page_version.id, :thispage => @wiki_page_version.previous.id) %>
     <% end %>
-    <% if CurrentUser.is_member? %>
+    <% if policy(@wiki_page_version.wiki_page).revert? %>
       <%= subnav_link_to "Revert to", revert_wiki_page_path(@wiki_page_version.wiki_page_id, :version_id => @wiki_page_version.id), :method => :put, :data => {:confirm => "Are you sure you want to revert to this version?"} %>
     <% end %>
   <% end %>