pundit: convert post flags to pundit.

app/views/post_flags/_reasons.html.erb

@@ -3,7 +3,7 @@
     <li class="post-flag-reason">
       <span class="prose"><%= format_text(flag.reason, inline: true) %></span>
 
-      <% if CurrentUser.can_view_flagger_on_post?(flag) %>
+      <% if policy(flag).can_view_flagger? %>
         - <%= link_to_user(flag.creator) %>
       <% end %>
 

app/views/post_flags/_search.html.erb

@@ -2,7 +2,7 @@
   <%= f.input :reason_matches, label: "Reason", hint: "Use * for wildcard searches", input_html: { value: params[:search][:reason_matches] } %>
   <%= f.input :post_tags_match, label: "Tags", input_html: { value: params[:search][:post_tags_match], data: { autocomplete: "tag-query" } } %>
   <%= f.input :post_id, label: "Post ID", input_html: { value: params[:search][:post_id] } %>
-  <% if CurrentUser.is_moderator? %>
+  <% if policy(PostFlag).can_search_flagger? %>
     <%= f.input :creator_name, label: "Creator", input_html: { value: params[:search][:creator_name], data: { autocomplete: "user" } } %>
   <% end %>
   <%= f.input :is_resolved, label: "Resolved?", collection: [["Yes", true], ["No", false]], include_blank: true, selected: params[:search][:is_resolved] %>

app/views/post_flags/index.html.erb

@@ -29,7 +29,7 @@
       <% end %>
       <% t.column "Flagged", width: "15%" do |post_flag| %>
         <%= compact_time post_flag.created_at %>
-        <% if CurrentUser.can_view_flagger_on_post?(post_flag) %>
+        <% if policy(post_flag).can_view_flagger? %>
           <br> by <%= link_to_user post_flag.creator %>
           <%= link_to "»", post_flags_path(search: params[:search].merge(creator_name: post_flag.creator.name)) %>
         <% end %>