post replacements: add /post_replacements view.

app/helpers/application_helper.rb

@@ -101,6 +101,14 @@ module ApplicationHelper
     time_tag(time.strftime("%Y-%m-%d %H:%M"), time)
   end
 
+  def external_link_to(url)
+    if url =~ %r!\Ahttps?://!i
+      link_to url, {}, {rel: :nofollow}
+    else
+      url
+    end
+  end
+
   def link_to_ip(ip)
     link_to ip, moderator_ip_addrs_path(:search => {:ip_addr => ip})
   end

app/views/post_replacements/index.html.erb

@@ -0,0 +1,54 @@
+<div id="c-post-replacements">
+  <div id="a-index">
+    <h1>Post Replacements</h1>
+
+    <%= render "posts/partials/common/inline_blacklist" %>
+
+    <%= simple_form_for(:search, url: post_replacements_path, method: :get, defaults: { required: false }, html: { class: "inline-form" }) do |f| %>
+      <%= f.input :creator_name, label: "Replacer", input_html: { value: params[:search][:creator_name] } %>
+      <%= f.submit "Search" %>
+    <% end %>
+
+    <table width="100%" class="striped autofit">
+      <thead>
+        <tr>
+          <th width="1%">Post</th>
+          <th>Source</th>
+          <th>Replacer</th>
+        </tr>
+      </thead>
+      <tbody>
+        <% @post_replacements.each do |post_replacement| %>
+          <tr>
+            <td><%= PostPresenter.preview(post_replacement.post) %></td>
+            <td>
+              <dl>
+                <dt>Original Source</dt>
+                <dd><%= external_link_to post_replacement.original_url %></dd>
+                <dt>Replacement Source</dt>
+                <dd>
+                  <% if post_replacement.replacement_url.present? %>
+                    <%= external_link_to post_replacement.replacement_url %>
+                  <% else %>
+                    <em>file</em>
+                  <% end %>
+                </dd>
+              </dl>
+            </td>
+            <td>
+              <%= compact_time post_replacement.created_at %>
+              <br> by <%= link_to_user post_replacement.creator %>
+              <%= link_to "»", post_replacements_path(search: params[:search].merge(creator_name: post_replacement.creator.name)) %>
+            </td>
+          </tr>
+        <% end %>
+      </tbody>
+    </table>
+
+    <%= numbered_paginator(@post_replacements) %>
+  </div>
+</div>
+
+<% content_for(:page_title) do %>
+  Post Replacements - <%= Danbooru.config.app_name %>
+<% end %>

app/views/posts/show.html.erb

@@ -27,6 +27,7 @@
             <li><%= fast_link_to "Notes", note_versions_path(:search => {:post_id => @post.id}) %></li>
             <li><%= fast_link_to "Flags & Appeals", post_events_path(@post.id) %></li>
             <li><%= fast_link_to "Commentary", artist_commentary_versions_path(:search => {:post_id => @post.id}) %></li>
+            <li><%= fast_link_to "Replacements", post_replacements_path(:search => {:post_id => @post.id}) %></li>
           </ul>
         </section>
 

app/views/static/site_map.html.erb

@@ -11,6 +11,7 @@
         <li><%= link_to("Upload Listing", uploads_path) %></li>
         <li><%= link_to("Appeals", post_appeals_path) %></li>
         <li><%= link_to("Flags", post_flags_path) %></li>
+        <li><%= link_to("Replacements", post_replacements_path) %></li>
         <% if CurrentUser.can_approve_posts? %>
           <li><%= link_to("Moderate", moderator_post_queue_path) %></li>
         <% end %>