Search Engine improved performance

app/assets/stylesheets/basic/orbit_bar.css.erb

@@ -225,8 +225,8 @@
 .search_result h5{
 }
 
-.search_result strong{
+.search_result b{
-	/*font-weight: bold;*/
+	font-weight: normal;
 	color: #B90000;
 }
 

app/controllers/site_search_controller.rb

@@ -16,20 +16,19 @@ class SiteSearchController < ApplicationController
         #  Search Pages
         Item.where(:app_frontend_url=>"page_contexts", :is_published=>true).each do |page|
             title = page.title
-            context = PageContext.where(:page_id=>page.id).first.context
+            context = PageContext.where(:page_id=>page.id).first.context rescue nil
-            context = ActionController::Base.helpers.strip_tags(context).gsub(/&nbsp;/i," ") rescue ""
+            next if title.nil? and context.nil?
-            title_matches = title.scan(regex).size
+
-            context_matches = context.scan(regex).size rescue 0
+            context = context.gsub(/<\/?[^>]*>/, "").gsub(/&nbsp;/i," ") rescue ""
-            if title_matches > 0 or context_matches > 0
+            title_matches = title.match(regex)
+            context_matches = context.match(regex)
+            if title_matches or context_matches
                 tmp = {}
                 tmp[:id] = page.id
                 tmp[:module] = "page"
                 tmp[:url] = "/"+page.path
-                tmp[:title] = hight_light(keywords, title)
+                tmp[:title] = title
-                tmp[:content] = hight_light(keywords, context, true)
+                tmp[:content] = context
-                tmp[:matches] = title_matches+context_matches
-                tmp[:matches] += title.scan(Regexp.new(".*"+key_string+".*", "i")).size > 0 ? 20 : 0 rescue 0
-                tmp[:matches] += context.scan(Regexp.new(".*"+key_string+".*", "i")).size > 0 ? 20 : 0 rescue 0
                 result.push(tmp)
             end
         end
@@ -38,7 +37,7 @@ class SiteSearchController < ApplicationController
         modules.each do |mod|
             query = mod[:fields].map{|f| {f.to_sym => regex} }
             res = Kernel.const_get(mod[:model]).any_of(query)
-            res.all.each do |r|
+            res.each do |r|
                 tmp = {}
                 tmp[:id] = r.id
                 tmp[:module] = mod[:key]
@@ -46,7 +45,7 @@ class SiteSearchController < ApplicationController
                 tmp[:content] = ""
                 tmp[:matches] = 0
                 mod[:fields].each do |f|
-                    value = ActionController::Base.helpers.strip_tags(eval("r.#{f}")).gsub(/&nbsp;/i,"")
+                    value = eval("r.#{f}").gsub(/<\/?[^>]*>/, "").gsub(/&nbsp;/i,"")
 
                     if f=="title" or f=="name"
                         tmp[:title] = value
@@ -55,40 +54,39 @@ class SiteSearchController < ApplicationController
                     end
                 end
                 
-                tmp[:matches] = tmp[:content].scan(regex).size + tmp[:title].scan(regex).size
+                result.push(tmp)
-                tmp[:matches] += tmp[:title].scan(Regexp.new(".*"+key_string+".*", "i")).size > 0 ? 20 : 0 rescue 0
-                tmp[:matches] += tmp[:content].scan(Regexp.new(".*"+key_string+".*", "i")).size > 0 ? 20 : 0 rescue 0
-
-                tmp[:title] = hight_light(keywords,  tmp[:title])
-                tmp[:content] = hight_light(keywords,  tmp[:content], true)
-                
-                result.push(tmp) unless tmp[:matches]==0
             end
         end
     end
-    result = result.sort_by { |k| k[:matches] }.reverse rescue []
-    render :json => { "results" => result, "time"=> ((Time.now-startTime)*1000).to_i , "keywords"=>keywords}
-  end
 
-  def hight_light(keywords, content, filter=false)
+    result.each do |res|
-    matches = 0
+        res[:matches] = 0
+
+        res[:matches] += res[:title].match(/(#{key_string})/i) ? 100 : 0 rescue 0
+        res[:matches] += res[:content].match(/(#{key_string})/i) ? 100 : 0 rescue 0
+
         keywords.each do |k|
-        matches += content.scan(/(#{k})/i).size
+            res[:matches] += res[:title].scan(/(#{k})/i).size + res[:content].scan(/(#{k})/i).size
-        content.gsub!(/(#{k})/i, '<strong>\1</strong>') rescue ""
+            res[:title].gsub!(/(#{k})/i, '<b>\1</b>') rescue ""
+            res[:content].gsub!(/(#{k})/i, '<b>\1</b>') rescue ""
         end
 
-    if filter
+        result.delete(res) if res[:matches]==0
-        index = content.index '<strong>'
+        next if res[:matches]==0
+
+        index = res[:content].index '<b>'
         unless index.nil?
             index = index>50 ? index-50 : 0
             deadline = 150
-            content = content[index, deadline]
+            res[:content] = res[:content][index, deadline]
         else
-            content = content[0, 100]
+            res[:content] = res[:content][0, 150]
         end
     end
 
-    return content
+    result = result.sort_by { |k| k[:matches] }.reverse rescue []
+
+    render :json => { "results" => result, "time"=> ((Time.now-startTime)*1000).to_i , "keywords"=>keywords}
   end
 
 end

app/views/layouts/_search.erb

@@ -28,9 +28,15 @@
   $("#search_close").click(function(){$("#search_container").fadeOut(300);});
 
   function processSearch(){
+    keyword_tmp = keyword;
     processLock = true;
     if(interval==0 && keyword!=""){
       $.getJSON("/site_search?keywords="+keyword, function(data){
+        if(keyword_tmp != keyword) {
+            processLock = false;
+            processSearch();
+            return;
+          }
         $("#search_results").scrollTop(0);
         $("#search_results").html("");
         $("#search_time").html("Found "+data.results.length+" Results, Search Time: "+data.time+"ms");
@@ -39,7 +45,7 @@
             "<div class='search_result'>"+
             "<a href='"+res.url+"' target='_blank'>"+
               "<div class='seach_title'>"+res.title+"</div>"+
-            "</a><br/>"+
+            "</a>"+
             "<span>"+res.content+"</span>"+
             "</div>";
           $("#search_results").append(search_result);