From 9a23a0bbbdb4f08902bd51015329b7d30ec59ed5 Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Fri, 26 Jun 2015 17:36:28 +1000
Subject: [PATCH] FEATURE: topic:TOPIC_ID to search within topic

---
 lib/search.rb | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/lib/search.rb b/lib/search.rb
index a2a32c0e919..1395cb7fd34 100644
--- a/lib/search.rb
+++ b/lib/search.rb
@@ -95,18 +95,18 @@ class Search
   end
 
   def initialize(term, opts=nil)
-    term = process_advanced_search!(term)
-    if term.present?
-      @term = Search.prepare_data(term.to_s)
-      @original_term = PG::Connection.escape_string(@term)
-    end
-
     @opts = opts || {}
     @guardian = @opts[:guardian] || Guardian.new
     @search_context = @opts[:search_context]
     @include_blurbs = @opts[:include_blurbs] || false
     @limit = Search.per_facet
 
+    term = process_advanced_search!(term)
+    if term.present?
+      @term = Search.prepare_data(term.to_s)
+      @original_term = PG::Connection.escape_string(@term)
+    end
+
     if @search_pms && @guardian.user
       @opts[:type_filter] = "private_messages"
       @search_context = @guardian.user
@@ -252,6 +252,15 @@ class Search
         if word == 'order:latest'
           @order = :latest
           nil
+        elsif word =~ /topic:(\d+)/
+          topic_id = $1.to_i
+          if topic_id > 1
+            topic = Topic.find_by(id: topic_id)
+            if @guardian.can_see?(topic)
+              @search_context = topic
+            end
+          end
+          nil
         elsif word == 'order:views'
           @order = :views
           nil