From e8e87c96217a764bedb57039e883514214199fe2 Mon Sep 17 00:00:00 2001
From: Toks <tttoksss@gmail.com>
Date: Sat, 20 Jul 2013 13:36:14 -0400
Subject: [PATCH] Add tag search[has_wiki] parameter

fixes #1870
---
 app/models/tag.rb               | 6 ++++++
 app/views/tags/_search.html.erb | 9 +++++++++
 2 files changed, 15 insertions(+)

diff --git a/app/models/tag.rb b/app/models/tag.rb
index 8add1ff7c..ae6dd2407 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -575,6 +575,12 @@ class Tag < ActiveRecord::Base
         q = q.where("post_count > 0")
       end
 
+      if params[:has_wiki] == "yes"
+        q = q.joins(:wiki_page)
+      elsif params[:has_wiki] == "no"
+        q = q.joins("LEFT JOIN wiki_pages ON tags.name = wiki_pages.title").where("wiki_pages.title IS NULL")
+      end
+
       params[:order] ||= params.delete(:sort)
       case params[:order]
       when "name"
diff --git a/app/views/tags/_search.html.erb b/app/views/tags/_search.html.erb
index f94387e43..c2fd9772b 100644
--- a/app/views/tags/_search.html.erb
+++ b/app/views/tags/_search.html.erb
@@ -38,6 +38,15 @@
         </td>
       </tr>
 
+      <tr>
+        <th><label for="search_has_wiki">Has a Wiki Page</label></th>
+        <td>
+          <div class="input">
+            <%= select "search", "has_wiki", ["yes", "no"], :selected => params[:search][:has_wiki], :include_blank => true %>
+          </div>
+        </td>
+      </tr>
+
       <tr>
         <td><%= submit_tag "Search" %><td>
       </tr>